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Gall</title> <meta name="description" content="Search results for: Miroslaw Gall"> <meta name="keywords" content="Miroslaw Gall"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Miroslaw Gall"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 36</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Miroslaw Gall</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> Oak Gall Wasps (Hymenoptera, Cynipidae, Cynipini) and Galls Form Recorded from Georgia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marine%20Nozadze">Marine Nozadze</a>, <a href="https://publications.waset.org/abstracts/search?q=George%20Japoshvili"> George Japoshvili</a>, <a href="https://publications.waset.org/abstracts/search?q=George%20Melika"> George Melika</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In 2020-2021 we studied oaks gall wasps of different oak species in Georgia at 7 locations of their natural distribution: 1. Quercuse petrea subsp. iberica - Mtskheta municipality, village. Mukhattskaro; 2. Quercus subsp. pendunculifloria - Kvareli municipality, village. Gramy;3. Quercus robur subsp. imeretina -Baghdati Municipality, Ajameti Reserve; 4. Quercus pontica -Chokhatauri municipality, village. Tskhratskaro; 5. Quercus macranthera -Tetritskaro Municipality, Algeti National Park; 6. Quercuse petrea subsp. iberica - Shuakhevi municipality, village. Uchamba 7. Quercus hartwissiana - Baghdatis municipality, village. Dimi. Samples were collected from early spring to late autumn. As a result, 7 forms of galls were collected and described wich caused by different species of oak gall wasps: 1. Neuroterus numismalis asexual gall 2. Neuroterus quercusbaccarum asexual galls 3. Cynips korsakovi asexual gall 4. Biorhiza pallida sexual gall 5. Neuroterus quercusbaccarum asexual galls 6. Neuroterus numismalis sexual gall 7. Cynips quercusfolii. Neuroterus quercusbaccarum asexual galls form the most represented of them: In Algeti National Park; In Mtskheta municipality; In Shuakhevi municipality and Ajameti reserve. The most damaged locations by oak gall wasps were Algeti National Park and Mtskheta Municipality, whereas the most biodiversity according to galls form was represented In Algeti National Park. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gall%20wasps" title="gall wasps">gall wasps</a>, <a href="https://publications.waset.org/abstracts/search?q=oak" title=" oak"> oak</a>, <a href="https://publications.waset.org/abstracts/search?q=cynipidae" title=" cynipidae"> cynipidae</a>, <a href="https://publications.waset.org/abstracts/search?q=species" title=" species"> species</a> </p> <a href="https://publications.waset.org/abstracts/150136/oak-gall-wasps-hymenoptera-cynipidae-cynipini-and-galls-form-recorded-from-georgia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150136.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">146</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Gall Bladder Polyp Identified as Solitary RCC Metastasis 4 Years after Nephrectomy: An Unusual Case Report</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gerard%20Bray">Gerard Bray</a>, <a href="https://publications.waset.org/abstracts/search?q=Arya%20Bahadori"> Arya Bahadori</a>, <a href="https://publications.waset.org/abstracts/search?q=Sachinka%20Ranasinghe"> Sachinka Ranasinghe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Renal cell carcinoma (RCC) is among the top 10 most common cancers worldwide, where metastatic disease carries a poor prognosis. Herein, we present a 74-year-old male presenting with asymptomatic solitary metachronous metastasis to the gall bladder 4 years following nephrectomy for clear cell RCC. Solitary RCC metastasis to the gall bladder following nephrectomy is rarely reported in the literature and brings with it a clinical conundrum of whether surgical resection or systemic therapy should be utilized. In this case, surgical excision with cholecystectomy was employed without systemic therapy. We, therefore, contribute a rare and interesting case that highlights that metastasectomy of a solitary metastasis can improve survival according to current literature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=renal%20cell%20carcinoma" title="renal cell carcinoma">renal cell carcinoma</a>, <a href="https://publications.waset.org/abstracts/search?q=gall%20bladder%20metastasis" title=" gall bladder metastasis"> gall bladder metastasis</a>, <a href="https://publications.waset.org/abstracts/search?q=solitary%20metastasectomy" title=" solitary metastasectomy"> solitary metastasectomy</a>, <a href="https://publications.waset.org/abstracts/search?q=metachronous" title=" metachronous"> metachronous</a> </p> <a href="https://publications.waset.org/abstracts/145137/gall-bladder-polyp-identified-as-solitary-rcc-metastasis-4-years-after-nephrectomy-an-unusual-case-report" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145137.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">173</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> In-House Fatty Meal Cholescintigraphy as a Screening Tool in Patients Presenting with Dyspepsia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Avani%20Jain">Avani Jain</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Shelley"> S. Shelley</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Indirani"> M. Indirani</a>, <a href="https://publications.waset.org/abstracts/search?q=Shilpa%20Kalal"> Shilpa Kalal</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaykanth%20Amalachandran"> Jaykanth Amalachandran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim: To evaluate the prevalence of gall bladder dysfunction in patients with dyspepsia using In-House fatty meal cholescintigraphy. Materials & Methods: This study is a prospective cohort study. 59 healthy volunteers with no dyspeptic complaints and negative ultrasound and endoscopy were recruited in study. 61 patients having complaint of dyspepsia for duration of more than 6 months were included. All of them underwent 99mTc-Mebrofenin fatty meal cholescintigraphy following a standard protocol. Dynamic acquisitions were acquired for 120 minutes with an In-House fatty meal being given at 45th minute. Gall bladder emptying kinetics was determined with gall bladder ejection fractions (GBEF) calculated at 30minutes, 45minutes and at 60 minutes (30min, 45min & 60 min). Standardization of fatty meal was done for volunteers. Receiver operating characteristic (ROC) analysis was used assess the diagnostic accuracy of 3 time points (30min, 45min & 60 min) used for measuring gall bladder emptying. On the basis of cut off derived from volunteers, the patients were assessed for gall bladder dysfunction. Results: In volunteers, the GBEF at 30 min was 74.42±8.26 % (mean ±SD), at 45 min was 82.61 ± 6.5 % and at 60 min was 89.37±4.48%, compared to patients where at 30min it was 33.73±22.87%, at 45 min it was 43.03±26.97% and at 60 min it was 51.85±29.60%. The lower limit of GBEF in volunteers at 30 min was 60%, 45 min was 69% and at 60 min was 81%. ROC analysis showed that area under curve was largest for 30 min GBEF (0.952; 95% CI = 0.914-0.989) and that all the 3 measures were statistically significant (p < 0.005). Majority of the volunteers had 74% of gall bladder emptying by 30 minutes; hence it was taken as an optimum cutoff time to assess gall bladder contraction. > 60% GBEF at 30 min post fatty meal was considered as normal and < 60% GBEF as indicative of gall bladder dysfunction. In patients, various causes for dyspepsia were identified: GB dysfunction (63.93%), Peptic ulcer (8.19 %), Gastroesophageal reflux disease (8.19%), Gastritis (4.91%). In 18.03% of cases GB dysfunction coexisted with other gastrointestinal conditions. The diagnosis of functional dyspepsia was made in 14.75% of cases. Conclusions: Gall bladder dysfunction contributes significantly to the causation of dyspepsia. It could coexist with various other gastrointestinal diseases. Fatty meal was well tolerated and devoid of any side effects. Many patients who are labeled as functional dyspeptics could actually have gall bladder dysfunction. Hence as an adjunct to ultrasound and endoscopy, fatty meal cholescintigraphy can also be used as a screening modality in characterization of dyspepsia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=in-house%20fatty%20meal" title="in-house fatty meal">in-house fatty meal</a>, <a href="https://publications.waset.org/abstracts/search?q=choescintigraphy" title=" choescintigraphy"> choescintigraphy</a>, <a href="https://publications.waset.org/abstracts/search?q=dyspepsia" title=" dyspepsia"> dyspepsia</a>, <a href="https://publications.waset.org/abstracts/search?q=gall%20bladder%20ejection%20fraction" title=" gall bladder ejection fraction"> gall bladder ejection fraction</a>, <a href="https://publications.waset.org/abstracts/search?q=functional%20dyspepsia" title=" functional dyspepsia"> functional dyspepsia</a> </p> <a href="https://publications.waset.org/abstracts/13708/in-house-fatty-meal-cholescintigraphy-as-a-screening-tool-in-patients-presenting-with-dyspepsia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13708.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">508</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> Assessment of the Effect of Orally Administered Itopride on Gall Bladder Ejection Fraction by a Fatty Meal Cholescintigraphy in Patients with Diabetes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Avani%20Jain">Avani Jain</a>, <a href="https://publications.waset.org/abstracts/search?q=Hasmukh%20Jain"> Hasmukh Jain</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Shelley"> S. Shelley</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Indirani"> M. Indirani</a>, <a href="https://publications.waset.org/abstracts/search?q=Shilpa%20Kalal"> Shilpa Kalal</a>, <a href="https://publications.waset.org/abstracts/search?q=Jayakanth%20Amalachandran"> Jayakanth Amalachandran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim of the Study: To assess the effect of orally administered Itopride on gall bladder ejection fraction by fatty meal cholescintigraphy in patients with diabetes. Materials and Methods: Thirty patients (20 males, 10 females, mean age 46+10 yrs) with history of diabetes mellitus (mean duration 4.8+4.1 yrs, fasting blood glucose level 130+35 mg/dl and 2-hours post-prandial blood glucose level 196+76 mg/dl) and found to have gall bladder dysfunction on fatty-meal stimulated cholescintigraphy were selected for this study. These patients underwent a repeat cholescintigraphy similar to baseline study, with 50 mg of Itopride orally along with fatty meal. Pre- and post-Itopride GBEF were then compared to assess the effect of Itopride on gall bladder contraction. Results: Out of these 30 patients, 2 had dyskinetic, 4 had akinetic, 22 had moderately hypokinetic and the remaining 2 had hypokinetic gall bladder function in the baseline study with > 60% GBEF being taken as the normal value. Mean percentage of GBEF in the baseline study was 32%+13% and the mean percentage of GBEF in the post-Itopride study was 57%+17% with change in mean percentage of GBEF being 24%+21%. GBEF of the “baseline study” was significantly lower as compared to GBEF in the “post-Itopride study” (p < 0.05). Conclusion: Diabetic patients with biliary-type pain often tend to have impaired gallbladder function. Cholescintigraphy with fatty meal-stimulation is a simple, cheap and useful investigation for assessment of gallbladder dysfunction in these patients, before any structural changes occur within the lumen or wall of the gall bladder. Improvement in gallbladder ejection fraction after oral administration of a single dose of Itopride, a newer prokinetic drug with fewer side effects, as assessed by cholescintigraphy, provides enough evidence of future therapeutic response. Administration of Itopride, in therapeutic dosage, therefore may be expected to cause significant improvement in gallbladder ejection fraction and hence prolong stone formation within the gall bladder and also prevent the associated long term complications. Hence, based on scintigraphic evidence, Itopride may be recommended, by clinicians, for management of symptomatic diabetic patients having gallbladder dysfunction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=itopride" title="itopride">itopride</a>, <a href="https://publications.waset.org/abstracts/search?q=gall%20bladder%20ejection%20fraction" title=" gall bladder ejection fraction"> gall bladder ejection fraction</a>, <a href="https://publications.waset.org/abstracts/search?q=fatty%20meal" title=" fatty meal"> fatty meal</a>, <a href="https://publications.waset.org/abstracts/search?q=cholescintigraphy" title=" cholescintigraphy"> cholescintigraphy</a>, <a href="https://publications.waset.org/abstracts/search?q=diabetes" title=" diabetes"> diabetes</a> </p> <a href="https://publications.waset.org/abstracts/13709/assessment-of-the-effect-of-orally-administered-itopride-on-gall-bladder-ejection-fraction-by-a-fatty-meal-cholescintigraphy-in-patients-with-diabetes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13709.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">425</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> Eucalyptus camaldulensis Leaves Attacked by the Gall Wasp Leptocybe invasa: A Phyto-Volatile Constituents Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maged%20El-Sayed%20Mohamed">Maged El-Sayed Mohamed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Eucalyptus camaldulensis is one on the most well-known species of the genus Eucalyptus in the Middle east, its importance relay on the high production of its unique volatile constituents which exhibits many medicinal and pharmacological activities. The gall-forming wasp (Leptocybe invasa) has recently come into sight as the main pest attacking E. camaldulensis and causing severe injury. The wasp lays its eggs in the petiole and midrib of leaves and stems of young shoots of E. camaldulensis, which leads to gall formation. Gall formation by L. invasa damages growing shoot and leaves of Eucalyptus, resulting in abscission of leaves and drying. AIM: This study is an attempt to investigate the effect of the gall wasp (Leptocybe invasa) attack on the volatile constitutes of E. camaldulensis. This could help in the control of this wasp through stimulating plant defenses or production of a new allelochemicals or insecticide. The study of volatile constitutes of Eucalyptus before and after attack by the wasp can help the re-use and recycle of the infected Eucalyptus trees for new pharmacological and medicinal activities. Methodology: The fresh gall wasp-attacked and healthy leaves (100 g each) were cut and immediately subjected to hydrodistillation using Clevenger-type apparatus for 3 hours. The volatile fractions isolated were analyzed using Gas chromatography/mass spectrometry (GC/MS). Kovat’s retention indices (RI) were calculated with respect to a set of co-injected standard hydrocarbons (C10-C28). Compounds were identified by comparing their spectral data and retention indices with Wiley Registry of Mass Spectral Data 10th edition (April 2013), NIST 11 Mass Spectral Library (NIST11/2011/EPA/NIH) and literature data. Results: Fifty-nine components representing 89.13 and 88.60% of the total volatile fraction content respectively were quantitatively analyzed. Twenty-six major compounds at an average concentration greater than 0.1 ± 0.02% have been used for the statistical comparison. From those major components, twenty-one were found in both the attacked and healthy Eucalyptus leaves’ fractions in different concentration and five components, mono terpene p-Mentha-2-4(8) diene and the sesquiterpenes δ-elemene, β-elemene, E-caryophyllene and Bicyclogermacrene, were unique and only produced in the attacked-leaves’ fraction. CONCLUSION: Newly produced components or those commonly found in the volatile fraction and changed in concentration could represent a part of the plant defense mechanisms or might be an element of the plant allelopathic and communication mechanisms. Identification of the components of the gall wasp-damaged leaves can help in their recycling for different physiological, pharmacological and medicinal uses. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eucalyptus%20camaldulensis" title="Eucalyptus camaldulensis">Eucalyptus camaldulensis</a>, <a href="https://publications.waset.org/abstracts/search?q=eucalyptus%20recycling" title=" eucalyptus recycling"> eucalyptus recycling</a>, <a href="https://publications.waset.org/abstracts/search?q=gall%20wasp" title=" gall wasp"> gall wasp</a>, <a href="https://publications.waset.org/abstracts/search?q=Leptocybe%20invasa" title=" Leptocybe invasa"> Leptocybe invasa</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20defense%20mechanisms" title=" plant defense mechanisms"> plant defense mechanisms</a>, <a href="https://publications.waset.org/abstracts/search?q=Terpene%20fraction" title=" Terpene fraction"> Terpene fraction</a> </p> <a href="https://publications.waset.org/abstracts/41348/eucalyptus-camaldulensis-leaves-attacked-by-the-gall-wasp-leptocybe-invasa-a-phyto-volatile-constituents-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41348.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">358</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Susceptibility of Different Clones of Eucalyptus Species against Gall Wasp, Leptocybe invasa Fisher and La Salle in Punjab, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ashwinder%20K.%20Dhaliwal">Ashwinder K. Dhaliwal</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20P.%20S.%20Dhillon"> G. P. S. Dhillon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Eucalyptus is one of the most important forest tree species that can tolerate and grow well on degraded and unfertile soils which are not suitable for other tree species. Besides this, these trees have a short rotation and good economic value. However, the gall inducing wasp Leptocybe invasa Fisher and La Salle has been reported from many countries throughout the world. The spread of L. invasa is of huge economic concern as more than 20,000 ha of young Eucalyptus trees have already been affected in southern states of India. The host plant resistance being the first line of defense against insect pests demands the screening of different germplasm source against L. invasa. Keeping this in view, fourteen different clones of Eucalyptus spp. were evaluated for their susceptibility to L. invasa from a replicated clonal trial planted at Punjab Agricultural University, Ludhiana. The degree of gall infestation was recorded from three plants of each clone in each replication. Three branches selected from the lower, middle and upper canopy of the trees were selected for recording the total number of galls induced by L. invasa. The statistical analysis was done as per the procedure laid down for completely randomised block design (CRBD), analysis of variance (ANOVA), critical difference (CD) and variance components using Proc GLM (SAS software 9.3, SAS Institute Ltd. U.S.A). All possible treatment means were compared with Duncan’s multiple range test (DMRT) at 1 % probability level. The results showed that the clones C-9, C-45 and C-42 were completely free from the infestation of L. invasa. However, there was minor infestation of L. invasa on C-2135, C-413, C-407, C-35, C-72 and C-37 clones. The clone C-6 was severely infested by L. invasa followed by C-11, C-12, F-316 and C-25 clones. The information generated by this study will be helpful for future breeding and use in afforestation programmes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=eucalyptus%20clones" title="eucalyptus clones">eucalyptus clones</a>, <a href="https://publications.waset.org/abstracts/search?q=gall%20wasp" title=" gall wasp"> gall wasp</a>, <a href="https://publications.waset.org/abstracts/search?q=Leptocybe%20invasa" title=" Leptocybe invasa"> Leptocybe invasa</a>, <a href="https://publications.waset.org/abstracts/search?q=screening" title=" screening"> screening</a>, <a href="https://publications.waset.org/abstracts/search?q=susceptibility" title=" susceptibility"> susceptibility</a> </p> <a href="https://publications.waset.org/abstracts/54621/susceptibility-of-different-clones-of-eucalyptus-species-against-gall-wasp-leptocybe-invasa-fisher-and-la-salle-in-punjab-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54621.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">221</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30</span> Investigating Potential Pest Management Strategies for Citrus Gall Wasp in Australia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Yazdani">M. Yazdani</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20F.%20Carragher"> J. F. Carragher</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Citrus gall wasp (CGW), Bruchophagus fellis (Hym: Eurytomidae), is an Australian native insect pest. CGW has now become a problem of national concern, threatening the viability of the entire Australian citrus industry. However, CGW appears to exhibit a preference for certain citrus species; growers report that grapefruit and lemons are most severely infested, with oranges and mandarins affected to a lesser extent. Given the specificity of the host plant-insect interactions, it is speculated that plant volatiles may play a significant role in host recognition. To address whether plant volatiles is involved in host plant preference by CGW we tested the behavioral response of CGW to plants in a wind tunnel. The result showed that CGW had significantly higher preference to grapefruit and lemon than other cultivars and the least preference was recorded to mandarin (Chi-square test, P<0.001). Because CGW exhibited a detectable choice further studies were undertaken to identify the components of the volatiles from each species. We trapped the volatile chemicals emitted by a 30 cm tip of each plant onto a solid Porapak matrix. Eluted extracts were then analysed by Gas Chromatography-Mass Spectrometry (GCMS) and the presumptive identity of the major compounds from each species inferred from the MS library. Although the same major compounds existed in all of the cultivars, the relative ratios of them differed between species. Next, we will validate the identity of the key volatiles using authentic standards and establish their ability to elicit olfactory responses in CGW in wind tunnel and field experiments. Identification of semiochemicals involved in host location by CGW is of interest not only from an ecological perspective but also for the development of novel pest control strategies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Citrus%20gall%20wasp" title="Citrus gall wasp">Citrus gall wasp</a>, <a href="https://publications.waset.org/abstracts/search?q=Bruchophagus%20fellis" title=" Bruchophagus fellis"> Bruchophagus fellis</a>, <a href="https://publications.waset.org/abstracts/search?q=volatiles" title=" volatiles"> volatiles</a>, <a href="https://publications.waset.org/abstracts/search?q=semiochemicals" title=" semiochemicals"> semiochemicals</a>, <a href="https://publications.waset.org/abstracts/search?q=IPM" title=" IPM"> IPM</a> </p> <a href="https://publications.waset.org/abstracts/71330/investigating-potential-pest-management-strategies-for-citrus-gall-wasp-in-australia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71330.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">233</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> Polymerase Chain Reaction Analysis and Random Amplified Polymorphic DNA of Agrobacterium Tumefaciens </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abeer%20M.%20Algeblawi">Abeer M. Algeblawi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fifteen isolates of Agrobacterium tumefaciens were obtained from crown gall samples collected from six locations (Tripoli, Alzahra, Ain-Zara, Alzawia, Alazezia in Libya) from Grape (Vitis vinifera L.), Pear (Pyrus communis L.), Peach (Prunus persica L.) and Alexandria in Egypt from Guava (Psidium guajava L.) trees, Artichoke (Cynara cardunculus L.) and Sugar beet (Beta vulgaris L.). Total DNA was extracted from the eight isolates as well as the identification of six isolates used into Polymerase Chain Reaction (PCR) analysis and Random Amplified Polymorphic DNA (RAPD) technique were used. High similarity (55.5%) was observed among the eight A. tumefaciens isolates (Agro1, Agro2, Agro3, Agro4, Agro5, Agro6, Agro7, and Agro8). The PCR amplification products were resulting from the use of two specific primers (virD2A-virD2C). Analysis induction six isolates of A. tumefaciens obtained from different hosts. A visible band was specific to A. tumefaciens of (220 bp, 224 bp) and 338 bp produced with total DNA extracted from bacterial cells. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Agrobacterium%20tumefaciens" title="Agrobacterium tumefaciens">Agrobacterium tumefaciens</a>, <a href="https://publications.waset.org/abstracts/search?q=crown%20gall" title=" crown gall"> crown gall</a>, <a href="https://publications.waset.org/abstracts/search?q=identification" title=" identification"> identification</a>, <a href="https://publications.waset.org/abstracts/search?q=molecular%20characterization" title=" molecular characterization"> molecular characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=PCR" title=" PCR"> PCR</a>, <a href="https://publications.waset.org/abstracts/search?q=RAPD" title=" RAPD"> RAPD</a> </p> <a href="https://publications.waset.org/abstracts/113521/polymerase-chain-reaction-analysis-and-random-amplified-polymorphic-dna-of-agrobacterium-tumefaciens" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/113521.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">144</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Extrapulmonary Gastrointestinal Small Cell Carcinoma: A Single Institute Experience of 14 Patients from a Low Middle Income Country </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Awais%20Naeem">Awais Naeem</a>, <a href="https://publications.waset.org/abstracts/search?q=Osama%20Shakeel"> Osama Shakeel</a>, <a href="https://publications.waset.org/abstracts/search?q=Faizan%20Ullah"> Faizan Ullah</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Wahid%20Anwer"> Abdul Wahid Anwer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: To study the clinic-pathological factors, diagnostic factors and survival of extra-pulmonary small cell carcinoma. Methodology: From 1995 to 2017 all patients with a diagnosis of extra-pulmonary small cell carcinoma were included in the study. Demographic variables and clinic-pathological factors were collected. Management of disease was recorded. Short and long term oncological outcomes were recorded. All data was entered and analyzed in SPSS version 21. Results: A total of 14 patients were included in the study. Median age was 53.42 +/- 16.1 years. There were 5 male and 9 female patients. Most common presentation was dysphagia in 16 patient among esophageal small cell carcinoma and while other patient had pain in abdomen. Mean duration of symptoms was 4.23+/-2.91 months .Most common site is esophagus (n=6) followed by gall bladder(n=3). Almost all of the patients received chemo-radiotherapy. Majority of the patient presented with extensive disease. Five patients (35.7%) died during the follow up period, two (14.3%) were alive and rest of the patients were lost to follow up. Mean follow up period was 22.92 months and median follow up was 15 months. Conclusion: Extra-pulmonary small cell carcinoma is rare and needs to be managed aggressively. All patients should be treated with both systemic and local therapies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=small%20cell%20carcinoma%20of%20esophagus" title="small cell carcinoma of esophagus">small cell carcinoma of esophagus</a>, <a href="https://publications.waset.org/abstracts/search?q=extrapulmonary%20small%20cell%20carcinoma" title=" extrapulmonary small cell carcinoma"> extrapulmonary small cell carcinoma</a>, <a href="https://publications.waset.org/abstracts/search?q=small%20cell%20carcinoma%20of%20gall%20bladder" title=" small cell carcinoma of gall bladder"> small cell carcinoma of gall bladder</a>, <a href="https://publications.waset.org/abstracts/search?q=small%20cell%20carcinoma%20of%20rectum" title=" small cell carcinoma of rectum"> small cell carcinoma of rectum</a>, <a href="https://publications.waset.org/abstracts/search?q=small%20cell%20carcinoma%20of%20stomach" title=" small cell carcinoma of stomach"> small cell carcinoma of stomach</a> </p> <a href="https://publications.waset.org/abstracts/104995/extrapulmonary-gastrointestinal-small-cell-carcinoma-a-single-institute-experience-of-14-patients-from-a-low-middle-income-country" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104995.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">156</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> The Effect of Swirl on the Flow Distribution in Automotive Exhaust Catalysts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Piotr%20J.%20Skusiewicz">Piotr J. Skusiewicz</a>, <a href="https://publications.waset.org/abstracts/search?q=Johnathan%20Saul"> Johnathan Saul</a>, <a href="https://publications.waset.org/abstracts/search?q=Ijhar%20Rusli"> Ijhar Rusli</a>, <a href="https://publications.waset.org/abstracts/search?q=Svetlana%20Aleksandrova"> Svetlana Aleksandrova</a>, <a href="https://publications.waset.org/abstracts/search?q=Stephen.%20F.%20Benjamin"> Stephen. F. Benjamin</a>, <a href="https://publications.waset.org/abstracts/search?q=Miroslaw%20Gall"> Miroslaw Gall</a>, <a href="https://publications.waset.org/abstracts/search?q=Steve%20Pierson"> Steve Pierson</a>, <a href="https://publications.waset.org/abstracts/search?q=Carol%20A.%20Roberts"> Carol A. Roberts</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The application of turbocharging in automotive engines leads to swirling flow entering the catalyst. The behaviour of this type of flow within the catalyst has yet to be adequately documented. This work discusses the effect of swirling flow on the flow distribution in automotive exhaust catalysts. Compressed air supplied to a moving-block swirl generator allowed for swirling flow with variable intensities to be generated. Swirl intensities were measured at the swirl generator outlet using single-sensor hot-wire probes. The swirling flow was fed into diffusers with total angles of 10°, 30° and 180°. Downstream of the diffusers, a wash-coated diesel oxidation catalyst (DOC) of length 143.8 mm, diameter 76.2 mm and nominal cell density of 400 cpsi was fitted. Velocity profiles were measured at the outlet sleeve about 30 mm downstream of the monolith outlet using single-sensor hot-wire probes. Wall static pressure was recorded using a multi-tube manometer connected to pressure taps positioned along the diffuser walls. The results show that as swirl is increased, more of the flow is directed towards the diffuser walls. The velocity decreases around the centre-line and maximum velocities are observed close to the outer radius of the monolith for all flow rates. At the maximum swirl intensity, reversed flow was recorded near the centre of the monolith. Wall static pressure measurements in the 180° diffuser indicated no pressure recovery as the flow enters the diffuser. This is indicative of flow separation at the inlet to the diffuser. To gain insight into the flow structure, CFD simulations have been performed for the 180° diffuser for a flow rate of 63 g/s. The geometry of the model consists of the complete assembly from the upstream swirl generator to the outlet sleeve. Modelling of the flow in the monolith was achieved using the porous medium approach, where the monolith with parallel flow channels is modelled as a porous medium that resists the flow. A reasonably good agreement was achieved between the experimental and CFD results downstream of the monolith. The CFD simulations allowed visualisation of the separation zones and central toroidal recirculation zones that occur within the expansion region at certain swirl intensities which are highlighted. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=catalyst" title="catalyst">catalyst</a>, <a href="https://publications.waset.org/abstracts/search?q=computational%20fluid%20dynamics" title=" computational fluid dynamics"> computational fluid dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=diffuser" title=" diffuser"> diffuser</a>, <a href="https://publications.waset.org/abstracts/search?q=hot-wire%20anemometry" title=" hot-wire anemometry"> hot-wire anemometry</a>, <a href="https://publications.waset.org/abstracts/search?q=swirling%20flow" title=" swirling flow"> swirling flow</a> </p> <a href="https://publications.waset.org/abstracts/58060/the-effect-of-swirl-on-the-flow-distribution-in-automotive-exhaust-catalysts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58060.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">304</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> Effect of Crown Gall and Phylloxera Resistant Rootstocks on Grafted Vitis Vinifera CV. Sultana Grapevine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hassan%20Mahmoudzadeh">Hassan Mahmoudzadeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The bacterium of Agrobacterium vitis causes crown and root gall disease, an important disease of grapevine, Vitis vinifera L. Also, Phylloxera is one of the most important pests in viticulture. Grapevine rootstocks were developed to provide increased resistance to soil-borne pests and diseases, but rootstock effects on some traits remain unclear. The interaction between rootstock, scion and environment can induce different responses to the grapevine physiology. 'Sultsna' (Vitis vinifera L.) is one of the most valuable raisin grape cultivars in Iran. Thus, the aim of this study was to determine the rootstock effect on the growth characteristics and yield components and quality of 'Sultana' grapevine grown in the Urmia viticulture region. The experimental design was completely randomized blocks, with four treatments, four replicates and 10 vines per plot. The results show that all variables evaluated were significantly affected by the rootstock. The Sultana/110R and Sultana/Nazmieh were among other combinations influenced by the year and had a higher significant yield/vine (13.25 and 12.14, respectively). Indeed, they were higher than that of Sultana/5BB (10.56 kg/vine) and Sultana/Spota (10.25 kg/vine). The number of clusters per burst bud and per vine and the weight of clusters were affected by the rootstock as well. Pruning weight/vine, yield/pruning weight, leaf area/vine and leaf area index are variables related to the physiology of grapevine, which was also affected by the rootstocks. In general, rootstocks had adapted well to the environment where the experiment was carried out, giving vigor and high yield to Sultana grapevine, which means that they may be used by grape growers in this region. In sum, the study found the best rootstocks for 'Sultana' to be Nazmieh and 110R in terms of root and shoot growth. However, the choice of the right rootstock depends on various aspects, such as those related to soil characteristics, climate conditions, grape varieties, and even clones, and production purposes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=grafting" title="grafting">grafting</a>, <a href="https://publications.waset.org/abstracts/search?q=vineyards" title=" vineyards"> vineyards</a>, <a href="https://publications.waset.org/abstracts/search?q=grapevine" title=" grapevine"> grapevine</a>, <a href="https://publications.waset.org/abstracts/search?q=succeptability" title=" succeptability"> succeptability</a> </p> <a href="https://publications.waset.org/abstracts/158980/effect-of-crown-gall-and-phylloxera-resistant-rootstocks-on-grafted-vitis-vinifera-cv-sultana-grapevine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158980.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">128</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> Effect of Precursor’s Grain Size on the Conversion of Microcrystalline Gallium Antimonide GaSb to Nanocrystalline Gallium Nitride GaN</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jerzy%20F.%20Janik">Jerzy F. Janik</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariusz%20Drygas"> Mariusz Drygas</a>, <a href="https://publications.waset.org/abstracts/search?q=Miroslaw%20M.%20Bucko"> Miroslaw M. Bucko</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A simple precursor system has been recently developed in our laboratory for the conversion of affordable microcrystalline gallium antimonide GaSb to a range of nanocrystalline powders of gallium nitride GaN – a wide bandgap semiconductor indispensable in modern optoelectronics. The process relies on high temperature nitridation reactions of GaSb with ammonia. Topochemical relationships set up by the cubic lattice of GaSb result in some metastable cubic GaN formed in addition to the stable hexagonal GaN. A prior application of high energy ball milling to the initially microcrystalline GaSb precursor is shown to alter the nitridation output. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanocrystalline" title="nanocrystalline">nanocrystalline</a>, <a href="https://publications.waset.org/abstracts/search?q=gallium%20nitride" title=" gallium nitride"> gallium nitride</a>, <a href="https://publications.waset.org/abstracts/search?q=GaN" title=" GaN"> GaN</a>, <a href="https://publications.waset.org/abstracts/search?q=gallium%20antimonide" title=" gallium antimonide"> gallium antimonide</a>, <a href="https://publications.waset.org/abstracts/search?q=GaSb" title=" GaSb"> GaSb</a>, <a href="https://publications.waset.org/abstracts/search?q=nitridation" title=" nitridation"> nitridation</a>, <a href="https://publications.waset.org/abstracts/search?q=ball%20milling" title=" ball milling"> ball milling</a> </p> <a href="https://publications.waset.org/abstracts/18150/effect-of-precursors-grain-size-on-the-conversion-of-microcrystalline-gallium-antimonide-gasb-to-nanocrystalline-gallium-nitride-gan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18150.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">400</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Application of EEG Wavelet Power to Prediction of Antidepressant Treatment Response</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dorota%20Witkowska">Dorota Witkowska</a>, <a href="https://publications.waset.org/abstracts/search?q=Pawe%C5%82%20Gosek"> Paweł Gosek</a>, <a href="https://publications.waset.org/abstracts/search?q=Lukasz%20Swiecicki"> Lukasz Swiecicki</a>, <a href="https://publications.waset.org/abstracts/search?q=Wojciech%20Jernajczyk"> Wojciech Jernajczyk</a>, <a href="https://publications.waset.org/abstracts/search?q=Bruce%20J.%20West"> Bruce J. West</a>, <a href="https://publications.waset.org/abstracts/search?q=Miroslaw%20Latka"> Miroslaw Latka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In clinical practice, the selection of an antidepressant often degrades to lengthy trial-and-error. In this work we employ a normalized wavelet power of alpha waves as a biomarker of antidepressant treatment response. This novel EEG metric takes into account both non-stationarity and intersubject variability of alpha waves. We recorded resting, 19-channel EEG (closed eyes) in 22 inpatients suffering from unipolar (UD, n=10) or bipolar (BD, n=12) depression. The EEG measurement was done at the end of the short washout period which followed previously unsuccessful pharmacotherapy. The normalized alpha wavelet power of 11 responders was markedly different than that of 11 nonresponders at several, mostly temporoparietal sites. Using the prediction of treatment response based on the normalized alpha wavelet power, we achieved 81.8% sensitivity and 81.8% specificity for channel T4. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alpha%20waves" title="alpha waves">alpha waves</a>, <a href="https://publications.waset.org/abstracts/search?q=antidepressant" title=" antidepressant"> antidepressant</a>, <a href="https://publications.waset.org/abstracts/search?q=treatment%20outcome" title=" treatment outcome"> treatment outcome</a>, <a href="https://publications.waset.org/abstracts/search?q=wavelet" title=" wavelet"> wavelet</a> </p> <a href="https://publications.waset.org/abstracts/2686/application-of-eeg-wavelet-power-to-prediction-of-antidepressant-treatment-response" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2686.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">316</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">23</span> Influence of Geometrical Parameters of a Wind Turbine on the Optimal Tip-Speed Ratio</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zdzislaw%20Piotr%20Kaminski">Zdzislaw Piotr Kaminski</a>, <a href="https://publications.waset.org/abstracts/search?q=Miroslaw%20Wendeker"> Miroslaw Wendeker</a>, <a href="https://publications.waset.org/abstracts/search?q=Zbigniew%20Czyz"> Zbigniew Czyz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper describes the geometric model, calculation algorithm and results of the CFD simulation of the airflow around a rotor in the vertical axis wind turbine (VAWT) with the ANSYS Fluent computational solver. The CFD method enables creating aerodynamic characteristics of forces acting on rotor working surfaces and determining parameters such as torque or power generated by the rotor assembly. The object of the research was a rotor whose construction is based on patent no.PL219985. The conducted tests enabled a mathematical model with a description of the generation of aerodynamic forces acting on each rotor blade. Additionally, this model was compared to the results of the wind tunnel tests. The analysis also focused on the influence of the blade angle on turbine power and the TSR. The research has shown that the turbine blade angle has a significant impact on the optimal value of the TSR. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computational%20fluid%20dynamics" title="computational fluid dynamics">computational fluid dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20analysis" title=" numerical analysis"> numerical analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=renewable%20energy" title=" renewable energy"> renewable energy</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20turbine" title=" wind turbine"> wind turbine</a> </p> <a href="https://publications.waset.org/abstracts/112958/influence-of-geometrical-parameters-of-a-wind-turbine-on-the-optimal-tip-speed-ratio" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112958.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">153</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> The Modeling of City Bus Fuel Economy during the JE05 Emission Test Cycle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Miroslaw%20Wendeker">Miroslaw Wendeker</a>, <a href="https://publications.waset.org/abstracts/search?q=Piotr%20Kacejko"> Piotr Kacejko</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcin%20Szlachetka"> Marcin Szlachetka</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariusz%20Duk"> Mariusz Duk</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper discusses a model of fuel economy in a city bus driving in a dynamic urban environment. Rapid changes in speed result in a constantly changing kinetic energy accumulated in a bus mass and an increased fuel consumption due to hardly recuperated kinetic energy. The model is based on the bench test results achieved from chassis dynamometer, airport and city street researches. The verified model was applied to simulate the behavior of a bus during the Japanese JE05 Emission Test Cycle. The fuel consumption was calculated for three separate research stages, i.e. urban, downtown and motorway. The simulations were performed for several values of vehicle mass and electrical load applied to on-board devices. The research results show fuel consumption is impacted by driving dynamics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=city%20bus" title="city bus">city bus</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20duty%20vehicle" title=" heavy duty vehicle"> heavy duty vehicle</a>, <a href="https://publications.waset.org/abstracts/search?q=Japanese%20JE05%20test%20cycle" title=" Japanese JE05 test cycle"> Japanese JE05 test cycle</a>, <a href="https://publications.waset.org/abstracts/search?q=kinetic%20energy" title=" kinetic energy"> kinetic energy</a> </p> <a href="https://publications.waset.org/abstracts/81457/the-modeling-of-city-bus-fuel-economy-during-the-je05-emission-test-cycle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81457.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">316</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> The Torah Scroll of the National Library of the Kingdom of Morocco: Parchment Support and Black Ink Analytical Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oubelkacem%20Yacine">Oubelkacem Yacine</a>, <a href="https://publications.waset.org/abstracts/search?q=El%20Bast%20Hassan"> El Bast Hassan</a>, <a href="https://publications.waset.org/abstracts/search?q=El%20Bakkali%20Abdelmajid"> El Bakkali Abdelmajid</a>, <a href="https://publications.waset.org/abstracts/search?q=Lamhasni%20Taibi"> Lamhasni Taibi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ettakni%20Mahmoud"> Ettakni Mahmoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Ait%20Lyazidi%20Saadia"> Ait Lyazidi Saadia</a>, <a href="https://publications.waset.org/abstracts/search?q=Haddad%20Mustapha"> Haddad Mustapha</a>, <a href="https://publications.waset.org/abstracts/search?q=Ben-Ncer%20Abdelouahed"> Ben-Ncer Abdelouahed</a>, <a href="https://publications.waset.org/abstracts/search?q=El%20Ferrane%20Mohammed"> El Ferrane Mohammed</a>, <a href="https://publications.waset.org/abstracts/search?q=Boufarra%20Abdelkrim"> Boufarra Abdelkrim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present work relates to an on-site and completely non-invasive investigation of one of the most famous west Mediterranean Torah Scroll housed at the National Library of the Kingdom of Morocco. The scroll is 26 m long and consists of 143 parchment sheets of 59 cm x 19 cm, exhibiting only black writings; it is of unknown age. The artifact has been restored by the curator staff of the library. The investigation exploring separately the parchment support and the writing black ink aims at: i) the examination of the parchment conservation/degradation state, ii) the identification of the black ink and iii) the identification of the parchment handcrafting materials. For this purpose, the analyses have been based on combining all of elemental XRF and structural Raman, ATR-FT Infrared Red and Fiber Optical Reflectance spectroscopies, in addition to chroma-metric and pH measurements. pH measurements showing values around 6.5 are in concordance with the absence of any visual corrosion related to the parchment acidity. However, on the basis of the relative intensities and frequency shift of amid I (AI) and amid II (AII) vibrational bands of the collagen, ATR-FTIR spectra revealed diffuse hydrolysis and gelatinization of the parchment writing support; diffuse and non-homogeny degradation by gelatinization has been also confirmed by the IG gelatinization index deduced from the NIR bands on the FOR spectra. This IG index, defined as the ratio I (6860 cm-1) / I (6685 cm-1), ranges in the interval 0.98 – 1 and highlights collagen degradation at the molecular level. Sequentially Shifted Excitation Raman measurements (SSERS) crossed to X-ray fluorescence (XRF) ones on the black writings revealed that the black ink used is an iron-copper gall one, while FOR spectra are typical of pure metal gall inks. These later reflectance measurements exclude, thus, any intentional addition of carbon black to the ink recipe. Moreover, no lead white had been used while pre-drawing the writing lines. On another side, ATR-FTIR measurements highlighted the presence of oxalates as ink degradation products. Considering the parchment handcrafting, the combination of XRF and ATR-FTIR measurements led to the assumption that this writing support had been prepared according to ancient Middle East practices; the parchment infrared fingerprint seems identical to that of the Dead Sea scroll. The present multi-technical analyses are the first ones performed on an ancient Judaic written parchment of Morocco; it is under furthering. The investigation will be extended to other parchments belonging to the Jewish Cultural Heritage Museum of Morocco in Casablanca. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=torah%20scroll" title="torah scroll">torah scroll</a>, <a href="https://publications.waset.org/abstracts/search?q=parchment" title=" parchment"> parchment</a>, <a href="https://publications.waset.org/abstracts/search?q=black%20ink" title=" black ink"> black ink</a>, <a href="https://publications.waset.org/abstracts/search?q=non-invasive%20analyses" title=" non-invasive analyses"> non-invasive analyses</a>, <a href="https://publications.waset.org/abstracts/search?q=XRF%2FATR-FTIR%2FRAMAN%2FFORS" title=" XRF/ATR-FTIR/RAMAN/FORS"> XRF/ATR-FTIR/RAMAN/FORS</a> </p> <a href="https://publications.waset.org/abstracts/167592/the-torah-scroll-of-the-national-library-of-the-kingdom-of-morocco-parchment-support-and-black-ink-analytical-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167592.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">86</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> Solomon 300 OD (Betacyfluthrin+Imidacloprid): A Combi-Product for the Management of Insect-Pests of Chilli (Capsicum annum L.)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20S.%20Giraddi">R. S. Giraddi</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Thirupam%20Reddy"> B. Thirupam Reddy</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20N.%20Kambrekar"> D. N. Kambrekar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chilli (<em>Capsicum annum</em> L.) an important commercial vegetable crop is ravaged by a number of insect-pests during both vegetative and reproductive phase resulting into significant crop loss.Thrips, <em>Scirtothripsdorsalis</em>, mite, <em>Polyphagotarsonemuslatus</em> and whitefly, <em>Bemisiatabaci</em> are the key sap feeding insects, their infestation leads to leaf curl, stunted growth and yield loss.During flowering and fruit formation stage, gall midge fly, <em>Asphondyliacapparis</em> (Rubsaaman) infesting flower buds and young fruits and<em>Helicoverpaarmigera</em> (Hubner) feeding on matured green fruits are the important insect pests causing significant crop loss.The pest is known to infest both flower buds and young fruits resulting into malformation of flower buds and twisting of fruits.In order to manage these insect-pests a combi product consisting of imidacloprid and betacyfluthrin (Soloman 300 OD) was evaluated for its bio-efficacy, phytotoxicity and effect on predator activity.Imidacloprid, a systemic insecticide belonging to neo-nicotinoid group, is effective against insect pests such as aphids, whiteflies (sap feeders) and other insects<em>viz</em>., termites and soil insects.Beta-Cyfluthrin is an insecticide of synthetic pyrethroid group which acts by contact action and ingestion. It acts on the insects' nervous system as sodium channel blocker consequently a disorder of the nervous system occurs leading finally to the death. The field experiments were taken up during 2015 and 2016 at the Main Agricultural Research Station of University of Agricultural Sciences, Dharwad, Karnataka, India.The trials were laid out in a Randomized Block Design (RBD) with three replications using popular land race of Byadagi crop variety.Results indicated that the product at 21.6 + 50.4% gai/ha (240 ml/ha) and 27.9 + 65% gai/ha (310 ml/ha) was found quite effective in controlling thrips (0.00 to 0.66 thrips per six leaves) as against the standard check insecticide recommended for thrips by the University of Agricultural Sciences, Dharwad wherein the density of thrips recorded was significantly higher (1.00 to 2.00 Nos./6 leaves). Similarly, the test insecticide was quite effective against other target insects, whiteflies, fruit borer and gall midge fly as indicated by lower insect population observed in the treatments as compared to standard insecticidal control. The predatory beetle activity was found to be normal in all experimental plots. Highest green fruit yield of 5100-5500 kg/ha was recorded in Soloman 300 OD applied crop at 310 ml/ha rate as compared to 4750 to 5050 kg/ha recorded in check. At present 6-8 sprays of insecticides are recommended for management of these insect-pests on the crop. If combi-products are used in pest management programmes, it is possible to reduce insecticide usages in crop ecosystem. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Imidacloprid" title="Imidacloprid">Imidacloprid</a>, <a href="https://publications.waset.org/abstracts/search?q=Betacyfluthrin" title=" Betacyfluthrin"> Betacyfluthrin</a>, <a href="https://publications.waset.org/abstracts/search?q=gallmidge%20fly" title=" gallmidge fly"> gallmidge fly</a>, <a href="https://publications.waset.org/abstracts/search?q=thrips" title=" thrips"> thrips</a>, <a href="https://publications.waset.org/abstracts/search?q=chilli" title=" chilli"> chilli</a> </p> <a href="https://publications.waset.org/abstracts/79930/solomon-300-od-betacyfluthrinimidacloprid-a-combi-product-for-the-management-of-insect-pests-of-chilli-capsicum-annum-l" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79930.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">166</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> Analysis of Influence of Geometrical Set of Nozzles on Aerodynamic Drag Level of a Hero’s Based Steam Turbine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mateusz%20Paszko">Mateusz Paszko</a>, <a href="https://publications.waset.org/abstracts/search?q=Miroslaw%20Wendeker"> Miroslaw Wendeker</a>, <a href="https://publications.waset.org/abstracts/search?q=Adam%20Majczak"> Adam Majczak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> High temperature waste energy offers a number of management options. The most common energy recuperation systems, that are actually used to utilize energy from the high temperature sources are steam turbines working in a high pressure and temperature closed cycles. Due to the high costs of production of energy recuperation systems, especially rotary turbine discs equipped with blades, currently used solutions are limited in use with waste energy sources of temperature below 100 °C. This study presents the results of simulating the flow of the water vapor in various configurations of flow ducts in a reaction steam turbine based on Hero’s steam turbine. The simulation was performed using a numerical model and the ANSYS Fluent software. Simulation computations were conducted with use of the water vapor as an internal agent powering the turbine, which is fully safe for an environment in case of a device failure. The conclusions resulting from the conducted numerical computations should allow for optimization of the flow ducts geometries, in order to achieve the greatest possible efficiency of the turbine. It is expected that the obtained results should be useful for further works related to the development of the final version of a low drag steam turbine dedicated for low cost energy recuperation systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy%20recuperation" title="energy recuperation">energy recuperation</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD%20analysis" title=" CFD analysis"> CFD analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20energy" title=" waste energy"> waste energy</a>, <a href="https://publications.waset.org/abstracts/search?q=steam%20turbine" title=" steam turbine"> steam turbine</a> </p> <a href="https://publications.waset.org/abstracts/81470/analysis-of-influence-of-geometrical-set-of-nozzles-on-aerodynamic-drag-level-of-a-heros-based-steam-turbine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81470.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">210</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">18</span> 2D Surface Flow Model in The Biebrza Floodplain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dorota%20Miroslaw-Swiatek">Dorota Miroslaw-Swiatek</a>, <a href="https://publications.waset.org/abstracts/search?q=Mateusz%20Grygoruk"> Mateusz Grygoruk</a>, <a href="https://publications.waset.org/abstracts/search?q=Sylwia%20Szporak"> Sylwia Szporak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We applied a two-dimensional surface water flow model with irregular wet boundaries. In this model, flow equations are in the form of a 2-D, non-linear diffusion equations which allows to account spatial variations in flow resistance and topography. Calculation domain to simulate the flow pattern in the floodplain is congruent with a Digital Elevation Model (DEM) grid. The rate and direction of sheet flow in wetlands is affected by vegetation type and density, therefore the developed model take into account spatial distribution vegetation resistance to the water flow. The model was tested in a part of the Biebrza Valley, of an outstanding heterogeneity in the elevation and flow resistance distributions due to various ecohydrological conditions and management measures. In our approach we used the highest-possible quality of the DEM in order to obtain hydraulic slopes and vegetation distribution parameters for the modelling. The DEM was created from the cloud of points measured in the LiDAR technology. The LiDAR reflects both the land surface as well as all objects on top of it such as vegetation. Depending on the density of vegetation cover the ability of laser penetration is variable. Therefore to obtain accurate land surface model the “vegetation effect” was corrected using data collected in the field (mostly the vegetation height) and satellite imagery such as Ikonos (to distinguish different vegetation types of the floodplain and represent them spatially). Model simulation was performed for the spring thaw flood in 2009. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=floodplain%20flow" title="floodplain flow">floodplain flow</a>, <a href="https://publications.waset.org/abstracts/search?q=Biebrza%20valley" title=" Biebrza valley"> Biebrza valley</a>, <a href="https://publications.waset.org/abstracts/search?q=model%20simulation" title=" model simulation"> model simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=2D%20surface%20flow%20model" title=" 2D surface flow model"> 2D surface flow model</a> </p> <a href="https://publications.waset.org/abstracts/25314/2d-surface-flow-model-in-the-biebrza-floodplain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25314.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">499</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">17</span> Characterization of Coronary Artery Obstruction and Related Findings in Ischemic Heart Patients Using Cardiac Scintigraphy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yousif%20Mohamed%20Y.%20Abdallah">Yousif Mohamed Y. Abdallah</a>, <a href="https://publications.waset.org/abstracts/search?q=Eltayeb%20Wagi%20Allah%20Eltayeb"> Eltayeb Wagi Allah Eltayeb</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20E.%20Gar-elnabi"> Mohamed E. Gar-elnabi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Ahmed%20Ali"> Mohamed Ahmed Ali </a> </p> <p class="card-text"><strong>Abstract:</strong></p> To characterize coronary artery obstruction and related findings in ischemic heart patients using cardiac scintigraphy for the identification of myocardial ischemia, 146 patients were studied at basal conditions and also asked for fasting after night till the intravenous injection of the radiopharmaceutical. After the injection time about 15 to 20 minutes, the patient should eat a fatty meal and chocolate for the good excretion of the gall bladder, to evaluate the performance and regional wall motion of the left ventricle (LV). The results showed that the body mass index percentage in this sample was in range of 43.05 to 61.05. The number of patients who were catheter candidates were 56 with 43% and the patients that were not candidate to cathode were 74 patients with 57% of all patients. For the group of patients where type of ischemia was assessed, 29.5% of patients had reversible posterior and inferior wall, 15.1% of patients had fixed large from apex to base, 9.6% of patients had mild basal inferior wall, 4.8 % of patients had mild anterior wall, 6.2% of patients had antro-septal and 34.9% of patients had moderate ischemia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=myocardial%20ischemia" title="myocardial ischemia">myocardial ischemia</a>, <a href="https://publications.waset.org/abstracts/search?q=myocardial%20scintigraphy" title=" myocardial scintigraphy"> myocardial scintigraphy</a>, <a href="https://publications.waset.org/abstracts/search?q=contrast%20ventriculography" title=" contrast ventriculography"> contrast ventriculography</a>, <a href="https://publications.waset.org/abstracts/search?q=coronary%20artery%20obstruction" title=" coronary artery obstruction"> coronary artery obstruction</a> </p> <a href="https://publications.waset.org/abstracts/13957/characterization-of-coronary-artery-obstruction-and-related-findings-in-ischemic-heart-patients-using-cardiac-scintigraphy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13957.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">585</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16</span> FisherONE: Employing Distinct Pedagogy through Technology Integration in Senior Secondary Education</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20Kontoleon">J. Kontoleon</a>, <a href="https://publications.waset.org/abstracts/search?q=D.Gall"> D.Gall</a>, <a href="https://publications.waset.org/abstracts/search?q=M.Pidskalny"> M.Pidskalny</a> </p> <p class="card-text"><strong>Abstract:</strong></p> FisherONE offers a distinct pedagogic model for senior secondary education that integrates advanced technology to meet the learning needs of Year 11 and 12 students across Catholic schools in Queensland. As a fully online platform, FisherONE employs pedagogy that combines flexibility with personalized, data-driven learning. The model leverages tools like the MaxHub hybrid interactive system and AI-powered learning assistants to create tailored learning pathways that promote student autonomy and engagement. This paper examines FisherONE’s success in employing pedagogic strategies through technology. Initial findings suggest that students benefit from the blended approach of virtual assessments and real-time support, even as AI-assisted tools remain in the proof-of-concept phase. The study outlines how FisherONE plans to continue refining its educational methods to better serve students in distance learning environments, specifically in challenging subjects like physics. The integration of technology in FisherONE enhances the effectiveness of teaching and learning, addressing common challenges in online education by offering scalable, individualized learning experiences. This approach demonstrates the future potential of technology in education and the role it can play in fostering meaningful student outcomes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AI-assisted%20learning" title="AI-assisted learning">AI-assisted learning</a>, <a href="https://publications.waset.org/abstracts/search?q=innovative%20pedagogy" title=" innovative pedagogy"> innovative pedagogy</a>, <a href="https://publications.waset.org/abstracts/search?q=personalized%20learning" title=" personalized learning"> personalized learning</a>, <a href="https://publications.waset.org/abstracts/search?q=senior%20education" title=" senior education"> senior education</a>, <a href="https://publications.waset.org/abstracts/search?q=technology%20in%20education" title=" technology in education"> technology in education</a> </p> <a href="https://publications.waset.org/abstracts/192476/fisherone-employing-distinct-pedagogy-through-technology-integration-in-senior-secondary-education" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/192476.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">19</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">15</span> Challenges of Management of Acute Pancreatitis in Low Resource Setting</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Md.%20Shakhawat%20Hossain">Md. Shakhawat Hossain</a>, <a href="https://publications.waset.org/abstracts/search?q=Jimma%20Hossain"> Jimma Hossain</a>, <a href="https://publications.waset.org/abstracts/search?q=Md.%20Naushad%20Ali"> Md. Naushad Ali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Acute pancreatitis is a dangerous medical emergency in the practice of gastroenterology. Management of acute pancreatitis needs multidisciplinary approach with support starts from emergency to ICU. So, there is a chance of mismanagement in every steps, especially in low resource settings. Other factors such as patient’s financial condition, education, social custom, transport facility, referral system from periphery may also challenge the current guidelines for management. The present study is intended to determine the clinico-pathological profile, severity assessment and challenges of management of acute pancreatitis in a government laid tertiary care hospital to image the real scenario of management in a low resource place. A total 100 patients of acute pancreatitis were studied in this prospective study, held in the Department of Gastroenterology, Rangpur medical college hospital, Bangladesh from July 2017 to July 2018 within one year. Regarding severity, 85 % of the patients were mild, whereas 13 were moderately severe, and 2 had severe acute pancreatitis according to the revised Atlanta criteria. The most common etiologies of acute pancreatitis in our study were gall stone (15%) and biliary sludge (15%), whereas 54% were idiopathic. The most common challenges we faced were delay in hospital admission (59%) and delay in hospital diagnosis (20%). Others are non-adherence of patient party, and lack of investigation facility, physician’s poor knowledge about current guidelines. We were able to give early aggressive fluid to only 18% of patients as per current guideline. Conclusion: Management of acute pancreatitis as per guideline is challenging when optimum facility is lacking. So, modified guidelines for assessment and management of acute pancreatitis should be prepared for low resource setting. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acute%20pancreatitis" title="acute pancreatitis">acute pancreatitis</a>, <a href="https://publications.waset.org/abstracts/search?q=challenges%20of%20management" title=" challenges of management"> challenges of management</a>, <a href="https://publications.waset.org/abstracts/search?q=severity" title=" severity"> severity</a>, <a href="https://publications.waset.org/abstracts/search?q=prognosis" title=" prognosis"> prognosis</a> </p> <a href="https://publications.waset.org/abstracts/112286/challenges-of-management-of-acute-pancreatitis-in-low-resource-setting" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112286.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">131</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">14</span> In Vitro Anthelmintic Effects of Citrullus colocynthis Fruit Extract on Fasciola gigantica of Domestic Buffalo (Bubalus bubalis) in Udaipur, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajnarayan%20Damor">Rajnarayan Damor</a>, <a href="https://publications.waset.org/abstracts/search?q=Gayatri%20Swarnakar"> Gayatri Swarnakar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fasciola gigantica are present in the biliary ducts of liver and gall bladder of domestic buffaloes. They are very harmful and causes significant lose to live stock owners, on account of poor growth and lower productivity of domestic buffaloes. Synthetic veterinary drugs have been used to eliminate parasites from cattle but these drugs are unaffordable and inaccessible for poor cattle farmers. The in vitro anthelmintic effect of Citrullus colocynthis fruit extract against Fasciola gigantica parasites were observed by light and scanning electron microscopy. Fruit extracts of C. colocynthis exhibit highest mortality 100% at 50 mg/ml in 15th hour of exposure. The oral and ventral sucker appeared to be slightly more swollen than control and synthetic drug albendazole. The tegument showed submerged spines by the swollen tegument around them. The tegument of the middle region showed deep furrows, folding and submerged spines which either lied very flat against the surface or had become submerged in the tegument by the swollen tegument around them leaving deep furrows. Posterior region showed with deep folding in the tegument, completely disappearance of spines and swelling of the tegument led to completely submerged spines leaving spine socket. The present study revealed that fruit extracts of Citrullus colocynthis found to be potential sources for novel anthelmintic and justify their ethno-veterinary use. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anthelmintic" title="anthelmintic">anthelmintic</a>, <a href="https://publications.waset.org/abstracts/search?q=buffalo" title=" buffalo"> buffalo</a>, <a href="https://publications.waset.org/abstracts/search?q=Citrullus%20colocynthis" title=" Citrullus colocynthis"> Citrullus colocynthis</a>, <a href="https://publications.waset.org/abstracts/search?q=Fasciola%20gigantica" title=" Fasciola gigantica"> Fasciola gigantica</a>, <a href="https://publications.waset.org/abstracts/search?q=mortality" title=" mortality"> mortality</a>, <a href="https://publications.waset.org/abstracts/search?q=tegument" title=" tegument"> tegument</a> </p> <a href="https://publications.waset.org/abstracts/57516/in-vitro-anthelmintic-effects-of-citrullus-colocynthis-fruit-extract-on-fasciola-gigantica-of-domestic-buffalo-bubalus-bubalis-in-udaipur-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57516.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">232</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> Analysis of Power Demand for the Common Rail Pump Drive in an Aircraft Engine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rafal%20Sochaczewski">Rafal Sochaczewski</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcin%20Szlachetka"> Marcin Szlachetka</a>, <a href="https://publications.waset.org/abstracts/search?q=Miroslaw%20Wendeker"> Miroslaw Wendeker</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Increasing requirements to reduce exhaust emissions and fuel consumption while increasing the power factor is increasingly becoming applicable to internal combustion engines intended for aircraft applications. As a result, intensive research work is underway to develop a diesel-powered unit for aircraft propulsion. Due to a number of advantages, such as lack of the head (lower heat loss) and timing system, opposite movement of pistons conducive to balancing the engine, the two-stroke compression-ignition engine with the opposite pistons has been developed and upgraded. Of course, such construction also has drawbacks. The main one is the necessity of using a gear connecting two crankshafts or a complicated crank system with one shaft. The peculiarity of the arrangement of pistons with sleeves, as well as the fulfillment of rigorous requirements, makes it necessary to apply the most modern technologies and constructional solutions. In the case of the fuel supply system, it was decided to use common rail system elements. The paper presents an analysis of the possibility of using a common rail pump to supply an aircraft compression-ignition engine. It is an engine with a two-stroke cycle, three cylinders, opposing pistons, and 100 kW power. Each combustion chamber is powered by two injectors controlled by electromagnetic valves. In order to assess the possibility of using a common rail pump, four high-pressure pumps were tested on a bench. They are piston pumps differing in the number and geometry of the pumping sections. The analysis included the torque on the pump drive shaft and the power needed to drive the pump depending on the rotational speed, pumping pressure and fuel dispenser settings. The research allowed to optimize the engine power supply system depending on the fuel demand and the way the pump is mounted on the engine. Acknowledgment: This work has been realized in the cooperation with The Construction Office of WSK ‘PZL-KALISZ’ S.A.’ and is part of Grant Agreement No. POIR.01.02.00-00-0002/15 financed by the Polish Nation-al Centre for Research and Development. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diesel%20engine" title="diesel engine">diesel engine</a>, <a href="https://publications.waset.org/abstracts/search?q=fuel%20pump" title=" fuel pump"> fuel pump</a>, <a href="https://publications.waset.org/abstracts/search?q=opposing%20pistons" title=" opposing pistons"> opposing pistons</a>, <a href="https://publications.waset.org/abstracts/search?q=two-stroke" title=" two-stroke"> two-stroke</a> </p> <a href="https://publications.waset.org/abstracts/106699/analysis-of-power-demand-for-the-common-rail-pump-drive-in-an-aircraft-engine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/106699.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">141</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> Effect of Non-metallic Inclusion from the Continuous Casting Process on the Multi-Stage Forging Process and the Tensile Strength of the Bolt: Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tomasz%20Dubiel">Tomasz Dubiel</a>, <a href="https://publications.waset.org/abstracts/search?q=Tadeusz%20Balawender"> Tadeusz Balawender</a>, <a href="https://publications.waset.org/abstracts/search?q=Miroslaw%20Osetek"> Miroslaw Osetek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper presents the influence of non-metallic inclusions on the multi-stage forging process and the mechanical properties of the dodecagon socket bolt used in the automotive industry. The detected metallurgical defect was so large that it directly influenced the mechanical properties of the bolt and resulted in failure to meet the requirements of the mechanical property class. In order to assess the defect, an X-ray examination and metallographic examination of the defective bolt were performed, showing exogenous non-metallic inclusion. The size of the defect on the cross-section was 0.531 [mm] in width and 1.523 [mm] in length; the defect was continuous along the entire axis of the bolt. In analysis, a FEM simulation of the multi-stage forging process was designed, taking into account a non-metallic inclusion parallel to the sample axis, reflecting the studied case. The process of defect propagation due to material upset in the head area was analyzed. The final forging stage in shaping the dodecagonal socket and filling the flange area was particularly studied. The effect of the defect was observed to significantly reduce the effective cross-section as a result of the expansion of the defect perpendicular to the axis of the bolt. The mechanical properties of products with and without the defect were analyzed. In the first step, the hardness test confirmed that the required value for the mechanical class 8.8 of both bolt types was obtained. In the second step, the bolts were subjected to a static tensile test. The bolts without the defect gave a positive result, while all 10 bolts with the defect gave a negative result, achieving a tensile strength below the requirements. Tensile strength tests were confirmed by metallographic tests and FEM simulation with perpendicular inclusion spread in the area of the head. The bolts were damaged directly under the bolt head, which is inconsistent with the requirements of ISO 898-1. It has been shown that non-metallic inclusions with orientation in accordance with the axis of the bolt can directly cause loss of functionality and these defects should be detected even before assembling in the machine element. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=continuous%20casting" title="continuous casting">continuous casting</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-stage%20forging" title=" multi-stage forging"> multi-stage forging</a>, <a href="https://publications.waset.org/abstracts/search?q=non-metallic%20inclusion" title=" non-metallic inclusion"> non-metallic inclusion</a>, <a href="https://publications.waset.org/abstracts/search?q=upset%20bolt%20head" title=" upset bolt head"> upset bolt head</a> </p> <a href="https://publications.waset.org/abstracts/137779/effect-of-non-metallic-inclusion-from-the-continuous-casting-process-on-the-multi-stage-forging-process-and-the-tensile-strength-of-the-bolt-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/137779.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">156</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> Evaluation of the Spectrum of Cases of Perforation Peritonitis at Jawaharlal Nehru Medical College, Aligarh Muslim University</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mujahid%20Ali">Mujahid Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Wasif%20Mohammed%20Ali"> Wasif Mohammed Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Meraj%20Ahmad"> Meraj Ahmad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Perforation peritonitis is the most common surgical emergency encountered by surgeons all over the world as well as in India. The etiology of perforation peritonitis in India continues to be different from its western counterparts. The aim of this study is to evaluate the spectrum of cases of perforation peritonitis at our hospital. Methods: A prospective study conducted includes three hundred thirtysix patients of perforation peritonitis at J. N. Medical College from October 2015 to July 2017. The patients were admitted, resuscitated and underwent emergency laparotomy. Data were collected in terms of demographic profile, clinical presentations, site of perforations, causes and surgical outcomes. Results: In this study, the most common cause of perforation peritonitis was peptic ulcer disease (43%), followed by enteric perforation (12.8%), tubercular perforation (12.5%), traumatic perforation (11.9%), appendicular perforation (9.8%), amoebic caecal perforation (3%), malignant perforation (1.5%), etc. The sites of perforations were stomach in majority (38.3%), ileum (31%), appendix (8%), duodenum (5.%), caecum (4.4%) ,colon (3%), jejunum (8.5%) and gall bladder (2%). The overall mortality was 21% in our study. Age >50 years (p= <0.0001, OR= 3.9260, CI= 2.2 to 6.9), organ failure (p= <0.0001, OR= 29.2, CI= 14.8 to 57.6), shock (p=<0.0001, OR=20.20, CI= 10.56 to 38.6), diffuse peritonitis (p<0.0015, OR= 6.8810, CI= 2.09 to 22.57) and faecal exudates (p<0.0001) were found to be significant factors affecting mortality. The most common complication associated was superficial wound infection (40%), followed by burst abdomen seen in 21% cases, intra-abdominal sepsis in 18% cases, electrolyte imbalances in 15% cases, anastomotic leak in 6% cases. Conclusion: In this study, stomach is the most common site of perforation with peptic ulcer disease being the most common etiology. Older age, presence of shock, organ failure and faecal peritonitis were the risk factors affecting the mortality of the patients. Early recognition, adequate resuscitation and referral of patients can influence outcome and reduces mortality as well as morbidity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=etiology" title="etiology">etiology</a>, <a href="https://publications.waset.org/abstracts/search?q=mortality" title=" mortality"> mortality</a>, <a href="https://publications.waset.org/abstracts/search?q=perforation" title=" perforation"> perforation</a>, <a href="https://publications.waset.org/abstracts/search?q=spectrum" title=" spectrum"> spectrum</a> </p> <a href="https://publications.waset.org/abstracts/78122/evaluation-of-the-spectrum-of-cases-of-perforation-peritonitis-at-jawaharlal-nehru-medical-college-aligarh-muslim-university" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78122.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">257</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">10</span> Autosomal Dominant Polycystic Kidney Patients May Be Predisposed to Various Cardiomyopathies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fouad%20Chebib">Fouad Chebib</a>, <a href="https://publications.waset.org/abstracts/search?q=Marie%20Hogan"> Marie Hogan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ziad%20El-Zoghby"> Ziad El-Zoghby</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Irazabal"> Maria Irazabal</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarah%20Senum"> Sarah Senum</a>, <a href="https://publications.waset.org/abstracts/search?q=Christina%20Heyer"> Christina Heyer</a>, <a href="https://publications.waset.org/abstracts/search?q=Charles%20%20Madsen"> Charles Madsen</a>, <a href="https://publications.waset.org/abstracts/search?q=Emilie%20Cornec-Le%20Gall"> Emilie Cornec-Le Gall</a>, <a href="https://publications.waset.org/abstracts/search?q=Atta%20Behfar"> Atta Behfar</a>, <a href="https://publications.waset.org/abstracts/search?q=Barbara%20Ehrlich"> Barbara Ehrlich</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20Harris"> Peter Harris</a>, <a href="https://publications.waset.org/abstracts/search?q=Vicente%20Torres"> Vicente Torres</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Mutations in PKD1 and PKD2, the genes encoding the proteins polycystin-1 (PC1) and polycystin-2 (PC2) cause autosomal dominant polycystic kidney disease (ADPKD). ADPKD is a systemic disease associated with several extrarenal manifestations. Animal models have suggested an important role for the polycystins in cardiovascular function. The aim of the current study is to evaluate the association of various cardiomyopathies in a large cohort of patients with ADPKD. Methods: Clinical data was retrieved from medical records for all patients with ADPKD and cardiomyopathies (n=159). Genetic analysis was performed on available DNA by direct sequencing. Results: Among the 58 patients included in this case series, 39 patients had idiopathic dilated cardiomyopathy (IDCM), 17 had hypertrophic obstructive cardiomyopathy (HOCM), and 2 had left ventricular noncompaction (LVNC). The mean age at cardiomyopathy diagnosis was 53.3, 59.9 and 53.5 years in IDCM, HOCM and LVNC patients respectively. The median left ventricular ejection fraction at initial diagnosis of IDCM was 25%. Average basal septal thickness was 19.9 mm in patients with HOCM. Genetic data was available in 19, 8 and 2 cases of IDCM, HOCM, and LVNC respectively. PKD1 mutations were detected in 47.4%, 62.5% and 100% of IDCM, HOCM and LVNC cases. PKD2 mutations were detected only in IDCM cases and were overrepresented (36.8%) relative to the expected frequency in ADPKD (~15%). The prevalence of IDCM, HOCM, and LVNC in our ADPKD clinical cohort was 1:17, 1:39 and 1:333 respectively. When compared to the general population, IDCM and HOCM was approximately 10-fold more prevalent in patients with ADPKD. Conclusions: In summary, we suggest that PKD1 or PKD2 mutations may predispose to idiopathic dilated or hypertrophic cardiomyopathy. There is a trend for patients with PKD2 mutations to develop the former and for patients with PKD1 mutations to develop the latter. Predisposition to various cardiomyopathies may be another extrarenal manifestation of ADPKD. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=autosomal%20dominant%20polycystic%20kidney%20%28ADPKD%29" title="autosomal dominant polycystic kidney (ADPKD)">autosomal dominant polycystic kidney (ADPKD)</a>, <a href="https://publications.waset.org/abstracts/search?q=polycystic%20kidney%20disease" title=" polycystic kidney disease"> polycystic kidney disease</a>, <a href="https://publications.waset.org/abstracts/search?q=cardiovascular" title=" cardiovascular"> cardiovascular</a>, <a href="https://publications.waset.org/abstracts/search?q=cardiomyopathy" title=" cardiomyopathy"> cardiomyopathy</a>, <a href="https://publications.waset.org/abstracts/search?q=idiopathic%20dilated%20cardiomyopathy" title=" idiopathic dilated cardiomyopathy"> idiopathic dilated cardiomyopathy</a>, <a href="https://publications.waset.org/abstracts/search?q=hypertrophic%20cardiomyopathy" title=" hypertrophic cardiomyopathy"> hypertrophic cardiomyopathy</a>, <a href="https://publications.waset.org/abstracts/search?q=left%20ventricular%20noncompaction" title=" left ventricular noncompaction"> left ventricular noncompaction</a> </p> <a href="https://publications.waset.org/abstracts/65132/autosomal-dominant-polycystic-kidney-patients-may-be-predisposed-to-various-cardiomyopathies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/65132.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">311</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9</span> Management of Acute Biliary Pathology at Gozo General Hospital</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kristian%20Bugeja">Kristian Bugeja</a>, <a href="https://publications.waset.org/abstracts/search?q=Upeshala%20A.%20Jayawardena"> Upeshala A. Jayawardena</a>, <a href="https://publications.waset.org/abstracts/search?q=Clarissa%20Fenech"> Clarissa Fenech</a>, <a href="https://publications.waset.org/abstracts/search?q=Mark%20Zammit%20Vincenti"> Mark Zammit Vincenti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Biliary colic, acute cholecystitis, and gallstone pancreatitis are some of the most common surgical presentations at Gozo General Hospital (GGH). National Institute for Health and Care Excellence (NICE) guidelines advise that suitable patients with acute biliary problems should be offered a laparoscopic cholecystectomy within one week of diagnosis. There has traditionally been difficulty in achieving this mainly due to the reluctance of some surgeons to operate in the acute setting, limited, timely access to MRCP and ERCP, and organizational issues. Methodology: A retrospective study was performed involving all biliary pathology-related admissions to GGH during the two-year period of 2019 and 2020. Patients’ files and electronic case summary (ECS) were used for data collection, which included demographic data, primary diagnosis, co-morbidities, management, waiting time to surgery, length of stay, readmissions, and reason for readmissions. NICE clinical guidance 188 – Gallstone disease were used as the standard. Results: 51 patients were included in the study. The mean age was 58 years, and 35 (68.6%) were female. The main diagnoses on admission were biliary colic in 31 (60.8%), acute cholecystitis in 10 (19.6%). Others included gallstone pancreatitis in 3 (5.89%), chronic cholecystitis in 2 (3.92%), gall bladder malignancy in 4 (7.84%), and ascending cholangitis in 1 (1.97%). Management included laparoscopic cholecystectomy in 34 (66.7%); conservative in 8 (15.7%) and ERCP in 6 (11.7%). The mean waiting time for laparoscopic cholecystectomy for patients with acute cholecystitis was 74 days – range being between 3 and 146 days since the date of diagnosis. Only one patient who was diagnosed with acute cholecystitis and managed with laparoscopic cholecystectomy was done so within the 7-day time frame. Hospital re-admissions were reported in 5 patients (9.8%) due to vomiting (1), ascending cholangitis (1), and gallstone pancreatitis (3). Discussion: Guidelines were not met for patients presenting to Gozo General Hospital with acute biliary pathology. This resulted in 5 patients being re-admitted to hospital while waiting for definitive surgery. The local issues resulting in the delay to surgery need to be identified and steps are taken to facilitate the provision of urgent cholecystectomy for suitable patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biliary%20colic" title="biliary colic">biliary colic</a>, <a href="https://publications.waset.org/abstracts/search?q=acute%20cholecystits" title=" acute cholecystits"> acute cholecystits</a>, <a href="https://publications.waset.org/abstracts/search?q=laparoscopic%20cholecystectomy" title=" laparoscopic cholecystectomy"> laparoscopic cholecystectomy</a>, <a href="https://publications.waset.org/abstracts/search?q=conservative%20management" title=" conservative management"> conservative management</a> </p> <a href="https://publications.waset.org/abstracts/137714/management-of-acute-biliary-pathology-at-gozo-general-hospital" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/137714.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">161</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">8</span> The Impact of Undisturbed Flow Speed on the Correlation of Aerodynamic Coefficients as a Function of the Angle of Attack for the Gyroplane Body</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zbigniew%20Czyz">Zbigniew Czyz</a>, <a href="https://publications.waset.org/abstracts/search?q=Krzysztof%20Skiba"> Krzysztof Skiba</a>, <a href="https://publications.waset.org/abstracts/search?q=Miroslaw%20Wendeker"> Miroslaw Wendeker</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper discusses the results of aerodynamic investigation of the Tajfun gyroplane body designed by a Polish company, Aviation Artur Trendak. This gyroplane has been studied as a 1:8 scale model. Scaling objects for aerodynamic investigation is an inherent procedure in any kind of designing. If scaling, the criteria of similarity need to be satisfied. The basic criteria of similarity are geometric, kinematic and dynamic. Despite the results of aerodynamic research are often reduced to aerodynamic coefficients, one should pay attention to how values of coefficients behave if certain criteria are to be satisfied. To satisfy the dynamic criterion, for example, the Reynolds number should be focused on. This is the correlation of inertial to viscous forces. With the multiplied flow speed by the specific dimension as a numerator (with a constant kinematic viscosity coefficient), flow speed in a wind tunnel research should be increased as many times as an object is decreased. The aerodynamic coefficients specified in this research depend on the real forces that act on an object, its specific dimension, medium speed and variations in its density. Rapid prototyping with a 3D printer was applied to create the research object. The research was performed with a T-1 low-speed wind tunnel (its diameter of the measurement volume is 1.5 m) and a six-element aerodynamic internal scales, WDP1, at the Institute of Aviation in Warsaw. This T-1 wind tunnel is low-speed continuous operation with open space measurement. The research covered a number of the selected speeds of undisturbed flow, i.e. V = 20, 30 and 40 m/s, corresponding to the Reynolds numbers (as referred to 1 m) Re = 1.31∙106, 1.96∙106, 2.62∙106 for the angles of attack ranging -15° ≤ α ≤ 20°. Our research resulted in basic aerodynamic characteristics and observing the impact of undisturbed flow speed on the correlation of aerodynamic coefficients as a function of the angle of attack of the gyroplane body. If the speed of undisturbed flow in the wind tunnel changes, the aerodynamic coefficients are significantly impacted. At speed from 20 m/s to 30 m/s, drag coefficient, Cx, changes by 2.4% up to 9.9%, whereas lift coefficient, Cz, changes by -25.5% up to 15.7% if the angle of attack of 0° excluded or by -25.5% up to 236.9% if the angle of attack of 0° included. Within the same speed range, the coefficient of a pitching moment, Cmy, changes by -21.1% up to 7.3% if the angles of attack -15° and -10° excluded or by -142.8% up to 618.4% if the angle of attack -15° and -10° included. These discrepancies in the coefficients of aerodynamic forces definitely need to consider while designing the aircraft. For example, if load of certain aircraft surfaces is calculated, additional correction factors definitely need to be applied. This study allows us to estimate the discrepancies in the aerodynamic forces while scaling the aircraft. This work has been financed by the Polish Ministry of Science and Higher Education. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerodynamics" title="aerodynamics">aerodynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=criteria%20of%20similarity" title=" criteria of similarity"> criteria of similarity</a>, <a href="https://publications.waset.org/abstracts/search?q=gyroplane" title=" gyroplane"> gyroplane</a>, <a href="https://publications.waset.org/abstracts/search?q=research%20tunnel" title=" research tunnel"> research tunnel</a> </p> <a href="https://publications.waset.org/abstracts/50084/the-impact-of-undisturbed-flow-speed-on-the-correlation-of-aerodynamic-coefficients-as-a-function-of-the-angle-of-attack-for-the-gyroplane-body" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50084.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">395</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7</span> Antibacterial Effects of Some Medicinal and Aromatic Plant Extracts on Pathogenic Bacteria Isolated from Pear Orchards</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kubilay%20Kurtulus%20Bastas">Kubilay Kurtulus Bastas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bacterial diseases are very destructive and cause economic losses on pears. Promising plant extracts for the management of plant diseases are environmentally safe, long-lasting and extracts of certain plants contain alkaloids, tannins, quinones, coumarins, phenolic compounds, and phytoalexins. In this study, bacteria were isolated from different parts of pear exhibiting characteristic symptoms of bacterial diseases from the Central Anatolia, Turkey. Pathogenic bacteria were identified by morphological, physiological, biochemical and molecular methods as fire blight (Erwinia amylovora (39%)), bacterial blossom blast and blister bark (Pseudomonas syringae pv. syringae (22%)), crown gall (Rhizobium radiobacter (1%)) from different pear cultivars, and determined virulence levels of the pathogens with pathogenicity tests. The air-dried 25 plant material was ground into fine powder and extraction was performed at room temperature by maceration with 80% (v/v) methanol/distilled water. The minimum inhibitory concentration (MIC) values were determined by using modified disc diffusion method at five different concentrations and streptomycin sulphate was used as control chemical. Bacterial suspensions were prepared as 108 CFU ml⁻¹ densities and 100 µl bacterial suspensions were spread to TSA medium. Antimicrobial activity was evaluated by measuring the inhibition zones in reference to the test organisms. Among the tested plants, Origanum vulgare, Hedera helix, Satureja hortensis, Rhus coriaria, Eucalyptus globulus, Rosmarinus officinalis, Ocimum basilicum, Salvia officinalis, Cuminum cyminum and Thymus vulgaris showed a good antibacterial activity and they inhibited the growth of the pathogens with inhibition zone diameter ranging from 7 to 27 mm at 20% (w/v) in absolute methanol in vitro conditions. In vivo, the highest efficacy was determined as 27% on reducing tumor formation of R. radiobacter, and 48% and 41% on reducing shoot blight of E. amylovora and P. s. pv. syringae on pear seedlings, respectively. Obtaining data indicated that some plant extracts may be used against the bacterial diseases on pome fruits within sustainable and organic management programs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacteria" title="bacteria">bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=eco-friendly%20management" title=" eco-friendly management"> eco-friendly management</a>, <a href="https://publications.waset.org/abstracts/search?q=organic" title=" organic"> organic</a>, <a href="https://publications.waset.org/abstracts/search?q=pear" title=" pear"> pear</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20extract" title=" plant extract "> plant extract </a> </p> <a href="https://publications.waset.org/abstracts/81905/antibacterial-effects-of-some-medicinal-and-aromatic-plant-extracts-on-pathogenic-bacteria-isolated-from-pear-orchards" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81905.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">336</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Miroslaw%20Gall&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Miroslaw%20Gall&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a 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