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mass</title> <meta name="description" content="Search results for: added mass"> <meta name="keywords" content="added mass"> <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 ml-auto" 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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="added mass"> <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> 5341</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: added mass</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5101</span> Removal of Heavy Metals from Water in the Presence of Organic Wastes: Fruit Peels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=%C3%96zge%20Y%C4%B1lmaz%20Gel">Özge Yılmaz Gel</a>, <a href="https://publications.waset.org/abstracts/search?q=Berk%20K%C4%B1l%C4%B1%C3%A7"> Berk Kılıç</a>, <a href="https://publications.waset.org/abstracts/search?q=Derin%20Dalg%C4%B1%C3%A7"> Derin Dalgıç</a>, <a href="https://publications.waset.org/abstracts/search?q=Ela%20Mia%20Sevilla%20Levi"> Ela Mia Sevilla Levi</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%96mer%20Ayd%C4%B1n"> Ömer Aydın</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this experiment, our goal was to remove heavy metals from water. Most recent studies have used removing toxic heavy elements: Cu⁺², Cr⁺³ and Fe⁺³ ions from aqueous solutions has been previously investigated with different kinds of plants like kiwi and tangerines. However, in this study, three different fruit peels were used. We tested banana, peach, and potato peels to remove heavy metal ions from their solution. The first step of the experiment was to wash the peels with distilled water and then dry the peels in an oven for 48 hrs at 80°C. Once the peels were washed and dried, 0.2 grams were weighed and added into 200 mL of %0.1 percent heavy metal solutions by mass. The mixing process was done via a magnetic stirrer. Each sample was taken in 15-minute intervals, and absorbance changes of the solutions were detected using a UV-Vis Spectrophotometer. Among the used waste products, banana peel was the most efficient one. Moreover, the amount of fruit peel, pH values of the initial heavy metal solution, and initial concentration of heavy metal solutions were investigated to determine the effect of fruit peels. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=absorbance" title="absorbance">absorbance</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metal" title=" heavy metal"> heavy metal</a>, <a href="https://publications.waset.org/abstracts/search?q=removal%20of%20heavy%20metals" title=" removal of heavy metals"> removal of heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=fruit%20peels" title=" fruit peels"> fruit peels</a> </p> <a href="https://publications.waset.org/abstracts/160535/removal-of-heavy-metals-from-water-in-the-presence-of-organic-wastes-fruit-peels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160535.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">75</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">5100</span> Finite Volume Method Simulations of GaN Growth Process in MOVPE Reactor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20Skibinski">J. Skibinski</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Caban"> P. Caban</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Wejrzanowski"> T. Wejrzanowski</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20J.%20Kurzydlowski"> K. J. Kurzydlowski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present study, numerical simulations of heat and mass transfer during gallium nitride growth process in Metal Organic Vapor Phase Epitaxy reactor AIX-200/4RF-S is addressed. Existing knowledge about phenomena occurring in the MOVPE process allows to produce high quality nitride based semiconductors. However, process parameters of MOVPE reactors can vary in certain ranges. Main goal of this study is optimization of the process and improvement of the quality of obtained crystal. In order to investigate this subject a series of computer simulations have been performed. Numerical simulations of heat and mass transfer in GaN epitaxial growth process have been performed to determine growth rate for various mass flow rates and pressures of reagents. According to the fact that it’s impossible to determine experimentally the exact distribution of heat and mass transfer inside the reactor during the process, modeling is the only solution to understand the process precisely. Main heat transfer mechanisms during MOVPE process are convection and radiation. Correlation of modeling results with the experiment allows to determine optimal process parameters for obtaining crystals of highest quality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Finite%20Volume%20Method" title="Finite Volume Method">Finite Volume Method</a>, <a href="https://publications.waset.org/abstracts/search?q=semiconductors" title=" semiconductors"> semiconductors</a>, <a href="https://publications.waset.org/abstracts/search?q=epitaxial%20growth" title=" epitaxial growth"> epitaxial growth</a>, <a href="https://publications.waset.org/abstracts/search?q=metalorganic%20vapor%20phase%20epitaxy" title=" metalorganic vapor phase epitaxy"> metalorganic vapor phase epitaxy</a>, <a href="https://publications.waset.org/abstracts/search?q=gallium%20nitride" title=" gallium nitride"> gallium nitride</a> </p> <a href="https://publications.waset.org/abstracts/19033/finite-volume-method-simulations-of-gan-growth-process-in-movpe-reactor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19033.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">398</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">5099</span> Accelerated Expansion of a Matter-Antimatter Universe and Gravity as an Electromagnetic Force</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maarten%20J.%20Van%20der%20Burgt">Maarten J. Van der Burgt</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A universe containing matter and antimatter can only exist when matter and antimatter repel each other. Such a system, where like attracts like and like repels unlike, will always expand. Calculations made for such a symmetric universe demonstrate that the expansion is consistent with Hubble’s law, the observed increase in the expansion velocity with time, the initial high acceleration and the foam structure of the universe. Conversely, these observations can be considered as proof for a symmetrical universe and for antimatter possessing a negative gravitational mass. A second proof can be found by reinterpreting the behavior of relativistic moving charged particles. Attributing their behavior to a charge defect of √(1-v2/c2) instead of to a mass defect of 1/√(1-v2/c2) makes it plausible that gravitation is an electromagnetic force, as already suggested by Feynman. This would automatically imply that antimatter has a negative gravitational mass. These proofs underpin the untenability of the Weak Equivalence Principle which states that in a gravitational field all structure less point-like particles follow the same path. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=celestial%20mechanics" title="celestial mechanics">celestial mechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=cosmology" title=" cosmology"> cosmology</a>, <a href="https://publications.waset.org/abstracts/search?q=gravitation%20astrophysics" title=" gravitation astrophysics"> gravitation astrophysics</a>, <a href="https://publications.waset.org/abstracts/search?q=origin%20of%20structure" title=" origin of structure"> origin of structure</a>, <a href="https://publications.waset.org/abstracts/search?q=miscellaneous%20%28matter%20and%20antimatter%29" title=" miscellaneous (matter and antimatter)"> miscellaneous (matter and antimatter)</a> </p> <a href="https://publications.waset.org/abstracts/57939/accelerated-expansion-of-a-matter-antimatter-universe-and-gravity-as-an-electromagnetic-force" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57939.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">228</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">5098</span> Effect of Molybdenum Addition to Aluminum Grain Refined by Titanium Plus Boron on Its Grain Size and Mechanical Characteristics in the Cast and After Pressing by the Equal Channel Angular Pressing Conditions </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20I.%20O.%20Zaid">A. I. O. Zaid</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20M.%20Attieh"> A. M. Attieh</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20M.%20A.%20Al%20Qawabah"> S. M. A. Al Qawabah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aluminum and its alloys solidify in columnar structure with large grain size which tends to reduce their mechanical strength and surface quality. They are, therefore, grain refined by addition of either titanium or titanium plus boron to their melt before solidification. Equal channel angular pressing, ECAP, process is a recent forming method for producing heavy plastic deformation in materials. In this paper, the effect of molybdenum addition to aluminum grain refined by Ti+B on its metallurgical and mechanical characteristics are investigated in the as cast condition and after pressing by the ECAP process. It was found that addition of Mo or Ti+B alone or together to aluminum resulted in grain refining of its microstructure in the as cast condition, as the average grain size was reduced from 139 micron to 46 micron when Mo and Ti+B are added together. Pressing by the ECAP process resulted in further refinement of the microstructure where 32 micron of average grain size was achieved in Al and the Al-Mo microalloy. Regarding the mechanical strength, addition of Mo or Ti+B alone to Al resulted in deterioration of its mechanical behavior but resulted in enhancement of its mechanical behavior when added together, increase of 10% in flow stress was achieved at 20% strain. However, pressing by ECAP addition of Mo or Ti+B alone to Al resulted in enhancement of its mechanical strength but reduced its strength when added together. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ECAP" title="ECAP">ECAP</a>, <a href="https://publications.waset.org/abstracts/search?q=aluminum" title=" aluminum"> aluminum</a>, <a href="https://publications.waset.org/abstracts/search?q=cast" title=" cast"> cast</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20characteristics" title=" mechanical characteristics"> mechanical characteristics</a>, <a href="https://publications.waset.org/abstracts/search?q=Mo%20grain%20refiner" title=" Mo grain refiner "> Mo grain refiner </a> </p> <a href="https://publications.waset.org/abstracts/9994/effect-of-molybdenum-addition-to-aluminum-grain-refined-by-titanium-plus-boron-on-its-grain-size-and-mechanical-characteristics-in-the-cast-and-after-pressing-by-the-equal-channel-angular-pressing-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9994.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">472</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">5097</span> Numerical Modeling and Prediction of Nanoscale Transport Phenomena in Vertically Aligned Carbon Nanotube Catalyst Layers by the Lattice Boltzmann Simulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seungho%20Shin">Seungho Shin</a>, <a href="https://publications.waset.org/abstracts/search?q=Keunwoo%20Choi"> Keunwoo Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Akbar"> Ali Akbar</a>, <a href="https://publications.waset.org/abstracts/search?q=Sukkee%20Um"> Sukkee Um</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the nanoscale transport properties and catalyst utilization of vertically aligned carbon nanotube (VACNT) catalyst layers are computationally predicted by the three-dimensional lattice Boltzmann simulation based on the quasi-random nanostructural model in pursuance of fuel cell catalyst performance improvement. A series of catalyst layers are randomly generated with statistical significance at the 95% confidence level to reflect the heterogeneity of the catalyst layer nanostructures. The nanoscale gas transport phenomena inside the catalyst layers are simulated by the D3Q19 (i.e., three-dimensional, 19 velocities) lattice Boltzmann method, and the corresponding mass transport characteristics are mathematically modeled in terms of structural properties. Considering the nanoscale reactant transport phenomena, a transport-based effective catalyst utilization factor is defined and statistically analyzed to determine the structure-transport influence on catalyst utilization. The tortuosity of the reactant mass transport path of VACNT catalyst layers is directly calculated from the streaklines. Subsequently, the corresponding effective mass diffusion coefficient is statistically predicted by applying the pre-estimated tortuosity factors to the Knudsen diffusion coefficient in the VACNT catalyst layers. The statistical estimation results clearly indicate that the morphological structures of VACNT catalyst layers reduce the tortuosity of reactant mass transport path when compared to conventional catalyst layer and significantly improve consequential effective mass diffusion coefficient of VACNT catalyst layer. Furthermore, catalyst utilization of the VACNT catalyst layer is substantially improved by enhanced mass diffusion and electric current paths despite the relatively poor interconnections of the ion transport paths. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lattice%20Boltzmann%20method" title="Lattice Boltzmann method">Lattice Boltzmann method</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20transport%20phenomena" title=" nano transport phenomena"> nano transport phenomena</a>, <a href="https://publications.waset.org/abstracts/search?q=polymer%20electrolyte%20fuel%20cells" title=" polymer electrolyte fuel cells"> polymer electrolyte fuel cells</a>, <a href="https://publications.waset.org/abstracts/search?q=vertically%20aligned%20carbon%20nanotube" title=" vertically aligned carbon nanotube"> vertically aligned carbon nanotube</a> </p> <a href="https://publications.waset.org/abstracts/98114/numerical-modeling-and-prediction-of-nanoscale-transport-phenomena-in-vertically-aligned-carbon-nanotube-catalyst-layers-by-the-lattice-boltzmann-simulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98114.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">201</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">5096</span> Tomato Peels Prevented Margarine and Soya/Sunflower Oils Oxidation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Zidani">S. Zidani</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Benakmoum"> A. Benakmoum</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Mansouri"> A. Mansouri</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Ammouche"> A. Ammouche</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research paper, we studied the oxidative stability of table margarine and soya/sunflower oils rich in lycopene with tomato peel powder (TPP). For this 1%, 2%, and 3% (w/w) of TPP was added to oil used in margarine manufacture. Chromatic characteristics of margarine and soya/sunflower oil have been studied using 'Tristimulus Colorimetry' method. The main point of the research was to determine the antioxidant activity and the oxidative resistance of soya/sunflower and margarine with TPP (peroxide index, TBA index, and rancimat test). The sensory and textural properties, overall acceptability of margarine and oil were good, indicating that TPP could be added to oil to produce a margarine enriched in lycopene with excellent stability oxidative. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tomato%20peel%20powder" title="tomato peel powder">tomato peel powder</a>, <a href="https://publications.waset.org/abstracts/search?q=lycopene" title=" lycopene"> lycopene</a>, <a href="https://publications.waset.org/abstracts/search?q=table%20margarine" title=" table margarine"> table margarine</a>, <a href="https://publications.waset.org/abstracts/search?q=soya%2Fsunflower%20oils" title=" soya/sunflower oils"> soya/sunflower oils</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20activity" title=" antioxidant activity"> antioxidant activity</a>, <a href="https://publications.waset.org/abstracts/search?q=stability%20oxidative" title=" stability oxidative"> stability oxidative</a> </p> <a href="https://publications.waset.org/abstracts/2553/tomato-peels-prevented-margarine-and-soyasunflower-oils-oxidation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2553.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">299</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">5095</span> A Cross-Sectional Study on the Correlation between Body Mass Index and Self-Esteem among Children Ages 9-12 Years Old in a Public Elementary School in Makati, Philippines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jerickson%20Abbie%20Flores">Jerickson Abbie Flores</a>, <a href="https://publications.waset.org/abstracts/search?q=Jana%20Fragante"> Jana Fragante</a>, <a href="https://publications.waset.org/abstracts/search?q=Jan%20Paolo%20Dipasupil"> Jan Paolo Dipasupil</a>, <a href="https://publications.waset.org/abstracts/search?q=Jan%20Jorge%20Francisco"> Jan Jorge Francisco</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Malnutrition is one of the rapidly growing health problems affecting the world at present. Children affected are not only at risk for significant health problems, but are also faced with psychological and social consequences, including low self-esteem. School-age children are specifically vulnerable to develop poor self-esteem especially when their peers find them physically unattractive. Thus, malnutrition, whether obesity or undernourishment, contributes a significant role to a developing child’s health and behavior. This research aims to determine if there is a significant difference on the level of self-esteem among Filipino children ages 9-12 years old with abnormal body mass index (BMI) and those children with desirable BMI. Using a cross-sectional study design, the correlation between body mass index (BMI) and self-esteem was observed among children ages 9-12 years old. Participants took the Hare self esteem questionnaire, which is specifically designed to measure self-esteem in school age children. The lowest possible score is 15 and the highest possible score is 45. A total of 1140 students with ages 9-12 years old from Cembo Elementary School (public school) participated in the study. Among the participants, 239 out of the 1140 have desirable body mass index, 878 are underweight, and 23 are overweight. Using the test questionnaire, the computed mean scores were 36.599, 36.045 and 36.583 for normal, underweight and overweight categories respectively. Using Pearson’s Correlation Test and Spearman’s Correlation Coefficient Test, the study showed positive correlation (p value of 0.047 and 0.004 respectively) between BMI and Self-esteem scores which indicates that the higher the BMI, the higher the self-esteem of the participants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=body%20mass%20index" title="body mass index">body mass index</a>, <a href="https://publications.waset.org/abstracts/search?q=malnutrition" title=" malnutrition"> malnutrition</a>, <a href="https://publications.waset.org/abstracts/search?q=school-age%20children" title=" school-age children"> school-age children</a>, <a href="https://publications.waset.org/abstracts/search?q=self-esteem" title=" self-esteem"> self-esteem</a> </p> <a href="https://publications.waset.org/abstracts/57375/a-cross-sectional-study-on-the-correlation-between-body-mass-index-and-self-esteem-among-children-ages-9-12-years-old-in-a-public-elementary-school-in-makati-philippines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57375.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">280</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">5094</span> Effects of Deficit Watering and Potassium Fertigation on Growth and Yield Response of Cassava</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daniel%20O.%20Wasonga">Daniel O. Wasonga</a>, <a href="https://publications.waset.org/abstracts/search?q=Jouko%20Kleemola"> Jouko Kleemola</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20Alakukku"> Laura Alakukku</a>, <a href="https://publications.waset.org/abstracts/search?q=Pirjo%20Makela"> Pirjo Makela</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cassava (Manihot esculenta Crantz) is a major food crop for millions of people in the tropics. Growth and yield of cassava in the arid-tropics are seriously constrained by intermittent water deficit and low soil K content. Therefore, experiments were conducted to investigate the effects of interaction between water deficit and K fertigation on growth and yield response of biofortified cassava at early growth phase. Yellow cassava cultivar was grown under controlled glasshouse conditions in 5-L pots containing 1.7 kg of pre-fertilized potting mix. Plants were watered daily for 30 days after planting. Treatments were three watering levels (30%, severe water deficit; 60%, mild water deficit; 100%, well-watered), on which K (0.01, 1, 4, 16 and 32 mM) was split. Plants were harvested at 90 days after planting. Leaf area was smallest in plants grown with 30% watering and 0.01 mM K, and largest in plants grown with 100% watering and 32 mM K. Leaf, root, and total dry mass decreased in water-stressed plants. However, dry mass was markedly higher when plants were grown with 16 mM K under all watering levels in comparison to other K concentrations. The highest leaf, root and total dry mass were in plants with 100% watering and 16 mM K. In conclusion, K improved the growth of plants under water deficit and thus, K application on soils with low moisture and low K may improve the productivity of cassava. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dry%20mass" title="dry mass">dry mass</a>, <a href="https://publications.waset.org/abstracts/search?q=interaction" title=" interaction"> interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20area" title=" leaf area"> leaf area</a>, <a href="https://publications.waset.org/abstracts/search?q=Manihot%20esculenta" title=" Manihot esculenta"> Manihot esculenta</a> </p> <a href="https://publications.waset.org/abstracts/109372/effects-of-deficit-watering-and-potassium-fertigation-on-growth-and-yield-response-of-cassava" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/109372.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">117</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">5093</span> Enhancement of Mechanical and Biological Properties in Wollastonite Bioceramics by MgSiO3 Addition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jae%20Hong%20Kim">Jae Hong Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Sang%20Cheol%20Um"> Sang Cheol Um</a>, <a href="https://publications.waset.org/abstracts/search?q=Jong%20Kook%20Lee"> Jong Kook Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Strong and biocompatible wollastonite (CaSiO3) was fabricated by pressureless sintering at temperature range of 1250~ 1300 ℃ and phase transition of to β-wollastonite with an addition of MgSiO3. Starting pure α-wollastonite powder were prepared by solid state reaction, and MgSiO3 powder was added to α-wollastonite powder to induce the phase transition α to β-wollastonite over 1250℃. Sintered wollastonite samples at 1250℃ with 5 and 10 wt% MgSiO3 were α+β phase and β phase respectively, and showed higher densification rate than that of α or β-wollastonite, which are almost the same as the theoretical density. Hardness and Young’s modulus of sintered wollastonite were dependent on the apparent density and the amount of β-wollastonite. Young’s modulus (78GPa) of β-wollastonite added 10 wt% MgSiO3 was almost double time of sintered α-wollastonite. From the in-vitro test, biphasic (α+β) wollastonite with 5wt% MgSiO3 addition had good bioactivity in simulated body fluid solution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=%CE%B2-wollastonite" title="β-wollastonite">β-wollastonite</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20density" title=" high density"> high density</a>, <a href="https://publications.waset.org/abstracts/search?q=MgSiO3" title=" MgSiO3"> MgSiO3</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20transition" title=" phase transition "> phase transition </a> </p> <a href="https://publications.waset.org/abstracts/25438/enhancement-of-mechanical-and-biological-properties-in-wollastonite-bioceramics-by-mgsio3-addition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25438.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">581</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">5092</span> Demonstrating the Efficacy of a Low-Cost Carbon Dioxide-Based Cryoablation Device in Veterinary Medicine for Translation to Third World Medical Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Grace%20C.%20Kuroki">Grace C. Kuroki</a>, <a href="https://publications.waset.org/abstracts/search?q=Yixin%20Hu"> Yixin Hu</a>, <a href="https://publications.waset.org/abstracts/search?q=Bailey%20Surtees"> Bailey Surtees</a>, <a href="https://publications.waset.org/abstracts/search?q=Rebecca%20Krimins"> Rebecca Krimins</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicholas%20J.%20Durr"> Nicholas J. Durr</a>, <a href="https://publications.waset.org/abstracts/search?q=Dara%20L.%20Kraitchman"> Dara L. Kraitchman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study was to perform a Phase I veterinary clinical trial with a low-cost, carbon-dioxide-based, passive thaw cryoablation device as proof-of-principle for application in pets and translation to third-world treatment of breast cancer. This study was approved by the institutional animal care and use committee. Client-owned dogs with subcutaneous masses, primarily lipomas or mammary cancers, were recruited for the study. Inclusion was based on clinical history, lesion location, preanesthetic blood work, and fine needle aspirate or biopsy confirmation of mass. Informed consent was obtained from the owners for dogs that met inclusion criteria. Ultrasound assessment of mass extent was performed immediately prior to mass cryoablation. Dogs were placed under general anesthesia and sterilely prepared. A stab incision was created to insert a custom 4.19 OD x 55.9 mm length cryoablation probe (Kubanda Cryotherapy) into the mass. Originally designed for treating breast cancer in low resource settings, this device has demonstrated potential in effectively necrosing subcutaneous masses. A dose escalation study of increasing freeze-thaw cycles (5/4/5, 7/5/7, and 10/7/10 min) was performed to assess the size of the iceball/necrotic extent of cryoablation. Each dog was allowed to recover for ~1-2 weeks before surgical removal of the mass. A single mass was treated in seven dogs (2 mammary masses, a sarcoma, 4 lipomas, and 1 adnexal mass) with most masses exceeding 2 cm in any dimension. Mass involution was most evident in the malignant mammary and adnexal mass. Lipomas showed minimal shrinkage prior to surgical removal, but an area of necrosis was evident along the cryoablation probe path. Gross assessment indicated a clear margin of cryoablation along the cryoprobe independent of tumor type. Detailed histopathology is pending, but complete involution of large lipomas appeared to be unlikely with a 10/7/10 protocol. The low-cost, carbon dioxide-based cryotherapy device permits a minimally invasive technique that may be useful for veterinary applications but is also informative of the unlikely resolution of benign adipose breast masses that may be encountered in third world countries. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cryoablation" title="cryoablation">cryoablation</a>, <a href="https://publications.waset.org/abstracts/search?q=cryotherapy" title=" cryotherapy"> cryotherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=interventional%20oncology" title=" interventional oncology"> interventional oncology</a>, <a href="https://publications.waset.org/abstracts/search?q=veterinary%20technology" title=" veterinary technology"> veterinary technology</a> </p> <a href="https://publications.waset.org/abstracts/117969/demonstrating-the-efficacy-of-a-low-cost-carbon-dioxide-based-cryoablation-device-in-veterinary-medicine-for-translation-to-third-world-medical-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/117969.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">5091</span> Eight Weeks of Suspension Systems Training on Fat Mass, Jump and Physical Fitness Index in Female</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Che%20Hsiu%20Chen">Che Hsiu Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Su%20Yun%20Chen"> Su Yun Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Hon%20Wen%20Cheng"> Hon Wen Cheng</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Greater core stability may benefit sports performance by providing a foundation for greater force production in the upper and lower extremities. Core stability exercises on instability device (such as the TRX suspension systems) were found to be able to induce higher core muscle activity than performing on a stable surface. However, high intensity interval TRX suspension exercises training on sport performances remain unclear. The purpose of this study was to examine whether high intensity TRX suspension training could improve sport performance. Twenty-four healthy university female students (age 19.0 years, height 157.9 cm, body mass 51.3 kg, fat mass 25.2 %) were voluntarily participated in this study. After a familiarization session, each participant underwent five suspension exercises (e.g., hip abduction in plank alternative, hamstring curl, 45-degree row, lunge and oblique crunch). Each type of exercise was performed for 30 seconds, followed by 30 seconds break, two times per week for eight weeks while each exercise session was increased by 10 seconds every week. The results showed that the fat mass (about 12.92%) decreased significantly, sit and reach test (9%), 1 minute sit-up test (17.5%), standing broad jump (4.8%), physical fitness index (10.3%) increased significantly after 8-week high intensity TRX suspension training. Hence, eight weeks of high intensity interval TRX suspension exercises training can improve hamstring flexibility, trunk endurance, jump ability, aerobic fitness and fat mass percentage decreased substantially. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=core%20endurance" title="core endurance">core endurance</a>, <a href="https://publications.waset.org/abstracts/search?q=jump" title=" jump"> jump</a>, <a href="https://publications.waset.org/abstracts/search?q=flexibility" title=" flexibility"> flexibility</a>, <a href="https://publications.waset.org/abstracts/search?q=cardiovascular%20fitness" title=" cardiovascular fitness"> cardiovascular fitness</a> </p> <a href="https://publications.waset.org/abstracts/50791/eight-weeks-of-suspension-systems-training-on-fat-mass-jump-and-physical-fitness-index-in-female" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50791.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">408</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">5090</span> Alterations of Molecular Characteristics of Polyethylene under the Influence of External Effects</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vigen%20Barkhudaryan">Vigen Barkhudaryan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The influence of external effects (γ-, UV–radiations, high temperature) in presence of air oxygen on structural transformations of low-density polyethylene (LDPE) have been investigated dependent on the polymers’ thickness, the intensity and the dose of external actions. The methods of viscosimetry, light scattering, turbidimetry and gelation measuring were used for this purpose. The comparison of influence of external effects on LDPE shows, that the destruction and cross-linking processes of macromolecules proceed simultaneously with all kinds of external effects. A remarkable growth of average molecular mass of LDPE along with the irradiation doses and heat treatment exposure growth was established. It was linear for the mass average molecular mass and at the initial doses is mainly the result of the increase of the macromolecular branching. As a result, the macromolecular hydrodynamic volumes have been changed, and therefore the dependence of viscosity average molecular mass on the doses was going through the minimum at initial doses. A significant change of molecular mass, sizes and shape of macromolecules of LDPE occurs under the influence of external effects. The influence is limited only by diffusion of oxygen during -irradiation and heat treatment. At UV–irradiation the influence is limited both by diffusion of oxygen and penetration of radiation. Consequently, the molecular transformations are deeper and evident in case of -irradiation, as soon as the polymer is transformed in a whole volume. It was also established, that the mechanism of molecular transformations in polymers from the surface layer distinctly differs from those of the sample deeper layer. A comparison of the results of these investigations allows us to conclude, that the mechanisms of influence of investigated external effects on polyethylene are similar. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cross-linking" title="cross-linking">cross-linking</a>, <a href="https://publications.waset.org/abstracts/search?q=destruction" title=" destruction"> destruction</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20temperature" title=" high temperature"> high temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=LDPE" title=" LDPE"> LDPE</a>, <a href="https://publications.waset.org/abstracts/search?q=%CE%B3-radiations" title=" γ-radiations"> γ-radiations</a>, <a href="https://publications.waset.org/abstracts/search?q=UV-radiations" title=" UV-radiations"> UV-radiations</a> </p> <a href="https://publications.waset.org/abstracts/69714/alterations-of-molecular-characteristics-of-polyethylene-under-the-influence-of-external-effects" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69714.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">5089</span> Predicting Mass-School-Shootings: Relevance of the FBI’s ‘Threat Assessment Perspective’ Two Decades Later</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Frazer%20G.%20Thompson">Frazer G. Thompson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The 1990s in America ended with a mass-school-shooting (at least four killed by gunfire excluding the perpetrator(s)) at Columbine High School in Littleton, Colorado. Post-event, many demanded that government and civilian experts develop a ‘profile’ of the potential school shooter in order to identify and preempt likely future acts of violence. This grounded theory research study seeks to explore the validity of the original hypotheses proposed by the Federal Bureau of Investigation (FBI) in 2000, as it relates to the commonality of disclosure by perpetrators of mass-school-shootings, by evaluating fourteen mass-school-shooting events between 2000 and 2019 at locations around the United States. Methods: The strategy of inquiry seeks to investigate case files, public records, witness accounts, and available psychological profiles of the shooter. The research methodology is inclusive of one-on-one interviews with members of the FBI’s Critical Incident Response Group seeking perspective on commonalities between individuals; specifically, disclosure of intent pre-event. Results: The research determined that school shooters do not ‘unfailingly’ notify others of their plans. However, in nine of the fourteen mass-school-shooting events analyzed, the perpetrator did inform the third party of their intent pre-event in some form of written, oral, or electronic communication. In the remaining five instances, the so-called ‘red-flag’ indicators of the potential for an event to occur were profound, and unto themselves, might be interpreted as notification to others of an imminent deadly threat. Conclusion: Data indicates that conclusions drawn in the FBI’s threat assessment perspective published in 2000 are relevant and current. There is evidence that despite potential ‘red-flag’ indicators which may or may not include a variety of other characteristics, perpetrators of mass-school-shooting events are likely to share their intentions with others through some form of direct or indirect communication. More significantly, implications of this research might suggest that society is often informed of potential danger pre-event but lacks any equitable means by which to disseminate, prevent, intervene, or otherwise act in a meaningful way considering said revelation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=columbine" title="columbine">columbine</a>, <a href="https://publications.waset.org/abstracts/search?q=FBI%20profiling" title=" FBI profiling"> FBI profiling</a>, <a href="https://publications.waset.org/abstracts/search?q=guns" title=" guns"> guns</a>, <a href="https://publications.waset.org/abstracts/search?q=mass%20shooting" title=" mass shooting"> mass shooting</a>, <a href="https://publications.waset.org/abstracts/search?q=mental%20health" title=" mental health"> mental health</a>, <a href="https://publications.waset.org/abstracts/search?q=school%20violence" title=" school violence"> school violence</a> </p> <a href="https://publications.waset.org/abstracts/109810/predicting-mass-school-shootings-relevance-of-the-fbis-threat-assessment-perspective-two-decades-later" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/109810.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">118</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">5088</span> A Model of the Adoption of Maritime Autonomous Surface Ship</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chin-Shan%20Lu">Chin-Shan Lu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yi-Pei%20Liu"> Yi-Pei Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study examines the factors influencing the adoption of MASS in Taiwan's shipping industry. Digital technology and unmanned vehicle advancements have enhanced efficiency and reduced environmental impact in the shipping industry. The IMO has set regulations to promote low-carbon emissions and autonomous ship technology. Using the TOE framework and DOI theory, a research model was constructed, and data from 132 Taiwanese shipping companies were collected via a questionnaire survey. A structural equation modeling (SEM) was conducted to examine the relationships between variables. Results show that technological and environmental factors significantly influence operators' attitudes toward MASS, while organizational factors impact their willingness to adopt. Enhancing technological support, internal resource allocation, top management support, and cost management are crucial for promoting adoption. This study identifies key factors and provides recommendations for adopting autonomous ships in Taiwan's shipping industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MASS" title="MASS">MASS</a>, <a href="https://publications.waset.org/abstracts/search?q=technology-organization-environment" title=" technology-organization-environment"> technology-organization-environment</a>, <a href="https://publications.waset.org/abstracts/search?q=diffusion%20of%20innovations%20theory" title=" diffusion of innovations theory"> diffusion of innovations theory</a>, <a href="https://publications.waset.org/abstracts/search?q=shipping%20industry" title=" shipping industry"> shipping industry</a> </p> <a href="https://publications.waset.org/abstracts/188427/a-model-of-the-adoption-of-maritime-autonomous-surface-ship" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188427.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">24</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">5087</span> Diabatic Flow of Sub-Cooled R-600a Inside a Capillary Tube: Concentric Configuration</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ravi%20Kumar">Ravi Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Santhosh%20Kumar%20Dubba"> Santhosh Kumar Dubba </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents an experimental study of a diabatic flow of R-600a through a concentric configured capillary tube suction line heat exchanger. The details of experimental facility for testing the diabatic capillary tube with different inlet sub-cooling degree and pressure are discussed. The effect of coil diameter, capillary length, capillary tube diameter, sub-cooling degree and inlet pressure on mass flow rate are presented. The degree of sub-cooling at the inlet of capillary tube is varied from 3-20°C. The refrigerant mass flow rate is scattered up with rising of pressure. A semi-empirical correlation to predict the mass flow rate of R-600a flowing through a diabatic capillary tube is proposed for sub-cooled inlet conditions. The proposed correlation predicts measured data with an error band of ±20 percent. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diabatic" title="diabatic">diabatic</a>, <a href="https://publications.waset.org/abstracts/search?q=capillary%20tube" title=" capillary tube"> capillary tube</a>, <a href="https://publications.waset.org/abstracts/search?q=concentric" title=" concentric"> concentric</a>, <a href="https://publications.waset.org/abstracts/search?q=R-600a" title=" R-600a"> R-600a</a> </p> <a href="https://publications.waset.org/abstracts/81743/diabatic-flow-of-sub-cooled-r-600a-inside-a-capillary-tube-concentric-configuration" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81743.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">204</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">5086</span> Magnetofluidics for Mass Transfer and Mixing Enhancement in a Micro Scale Device</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Majid%20Hejazian">Majid Hejazian</a>, <a href="https://publications.waset.org/abstracts/search?q=Nam-Trung%20Nguyen"> Nam-Trung Nguyen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Over the past few years, microfluidic devices have generated significant attention from industry and academia due to advantages such as small sample volume, low cost and high efficiency. Microfluidic devices have applications in chemical, biological and industry analysis and can facilitate assay of bio-materials and chemical reactions, separation, and sensing. Micromixers are one of the important microfluidic concepts. Micromixers can work as stand-alone devices or be integrated in a more complex microfluidic system such as a lab on a chip (LOC). Micromixers are categorized as passive and active types. Passive micromixers rely only on the arrangement of the phases to be mixed and contain no moving parts and require no energy. Active micromixers require external fields such as pressure, temperature, electric and acoustic fields. Rapid and efficient mixing is important for many applications such as biological, chemical and biochemical analysis. Achieving fast and homogenous mixing of multiple samples in the microfluidic devices has been studied and discussed in the literature recently. Improvement in mixing rely on effective mass transport in microscale, but are currently limited to molecular diffusion due to the predominant laminar flow in this size scale. Using magnetic field to elevate mass transport is an effective solution for mixing enhancement in microfluidics. The use of a non-uniform magnetic field to improve mass transfer performance in a microfluidic device is demonstrated in this work. The phenomenon of mixing ferrofluid and DI-water streams has been reported before, but mass transfer enhancement for other non-magnetic species through magnetic field have not been studied and evaluated extensively. In the present work, permanent magnets were used in a simple microfluidic device to create a non-uniform magnetic field. Two streams are introduced into the microchannel: one contains fluorescent dye mixed with diluted ferrofluid to induce enhanced mass transport of the dye, and the other one is a non-magnetic DI-water stream. Mass transport enhancement of fluorescent dye is evaluated using fluorescent measurement techniques. The concentration field is measured for different flow rates. Due to effect of magnetic field, a body force is exerted on the paramagnetic stream and expands the ferrofluid stream into non-magnetic DI-water flow. The experimental results demonstrate that without a magnetic field, both magnetic nanoparticles of the ferrofluid and the fluorescent dye solely rely on molecular diffusion to spread. The non-uniform magnetic field, created by the permanent magnets around the microchannel, and diluted ferrofluid can improve mass transport of non-magnetic solutes in a microfluidic device. The susceptibility mismatch between the fluids results in a magnetoconvective secondary flow towards the magnets and subsequently the mass transport of the non-magnetic fluorescent dye. A significant enhancement in mass transport of the fluorescent dye was observed. The platform presented here could be used as a microfluidics-based micromixer for chemical and biological applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ferrofluid" title="ferrofluid">ferrofluid</a>, <a href="https://publications.waset.org/abstracts/search?q=mass%20transfer" title=" mass transfer"> mass transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=micromixer" title=" micromixer"> micromixer</a>, <a href="https://publications.waset.org/abstracts/search?q=microfluidics" title=" microfluidics"> microfluidics</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic" title=" magnetic"> magnetic</a> </p> <a href="https://publications.waset.org/abstracts/54052/magnetofluidics-for-mass-transfer-and-mixing-enhancement-in-a-micro-scale-device" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54052.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">225</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">5085</span> Accumulation of Phlorotannins in Abalone Haliotis discus Hannai after Feeding with Eisenia bicyclis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bangoura%20Issa">Bangoura Issa</a>, <a href="https://publications.waset.org/abstracts/search?q=Ji-Young%20Kang"> Ji-Young Kang</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20T.%20H.%20Chowdhury"> M. T. H. Chowdhury</a>, <a href="https://publications.waset.org/abstracts/search?q=Ji-Eun%20Lee"> Ji-Eun Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Yong-Ki%20Hong"> Yong-Ki Hong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Investigation was carried out for the production of value-added abalone Haliotis discus hannai containing bioactive phlorotannin by feeding phlorotannin-rich seaweed Eisenia bicyclis 2 weeks prior to harvesting. Accumulation of phlorotannins was proceded by feeding with E. bicyclis after 4 days of starvation. HPLC purification afforded two major phlorotannins. Mass spectrometry and 1H-nuclear magnetic resonance analysis clarified their structures to be as 7-phloroeckol and eckol. Throughout the feeding period of 20 days, 7-phloroeckolol was accumulated in the muscle (foot muscle tissue) up to 0.18±0.12 mg g-1 dry weight of tissue after 12 days. Eckol reached 0.21±0.03 mg g-1 dry weight of tissue after 18 days. By feeding Laminaria japonica as reference, abalone showed no detection of phlorotannins in the muscle tissue. Seaweed consumption and growth rate of abalone revealed almost similar when feed with E. bicyclis or L. japonicain 20 days. Phlorotannins reduction to half-maximal accumulation values took 1.0 day and 2.7 days for 7-phloroeckol and eckol respectively, after replacing the feed to L. japonica. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=abalone" title="abalone">abalone</a>, <a href="https://publications.waset.org/abstracts/search?q=accumulation" title=" accumulation"> accumulation</a>, <a href="https://publications.waset.org/abstracts/search?q=eisenia%20bicyclis" title=" eisenia bicyclis"> eisenia bicyclis</a>, <a href="https://publications.waset.org/abstracts/search?q=phlorotannins" title=" phlorotannins"> phlorotannins</a> </p> <a href="https://publications.waset.org/abstracts/8850/accumulation-of-phlorotannins-in-abalone-haliotis-discus-hannai-after-feeding-with-eisenia-bicyclis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8850.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">382</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">5084</span> Mapping and Database on Mass Movements along the Eastern Edge of the East African Rift in Burundi </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=L.%20Nahimana">L. Nahimana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The eastern edge of the East African Rift in Burundi shows many mass movement phenomena corresponding to landslides, mudflow, debris flow, spectacular erosion (mega-gully), flash floods and alluvial deposits. These phenomena usually occur during the rainy season. Their extent and consecutive damages vary widely. To manage these phenomena, it is necessary to adopt a methodological approach of their mapping with a structured database. The elements for this database are: three-dimensional extent of the phenomenon, natural causes and conditions (geological lithology, slope, weathering depth and products, rainfall patterns, natural environment) and the anthropogenic factors corresponding to the various human activities. The extent of the area provides information about the possibilities and opportunities for mitigation technique. The lithological nature allows understanding the influence of the nature of the rock and its structure on the intensity of the weathering of rocks, as well as the geotechnical properties of the weathering products. The slope influences the land stability. The intensity of annual, monthly and daily rainfall helps to understand the conditions of water saturation of the terrains. Certain natural circumstances such as the presence of streams and rivers promote foot slope erosion and thus the occurrence and activity of mass movements. The construction of some infrastructures such as new roads and agglomerations deeply modify the flow of surface and underground water followed by mass movements. Using geospatial data selected on the East African Rift in Burundi, it is presented case of mass movements illustrating the nature, importance, various factors and the extent of the damages. An analysis of these elements for each hazard can guide the options for mitigation of the phenomenon and its consequences. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mass%20movement" title="mass movement">mass movement</a>, <a href="https://publications.waset.org/abstracts/search?q=landslide" title=" landslide"> landslide</a>, <a href="https://publications.waset.org/abstracts/search?q=mudflow" title=" mudflow"> mudflow</a>, <a href="https://publications.waset.org/abstracts/search?q=debris%20flow" title=" debris flow"> debris flow</a>, <a href="https://publications.waset.org/abstracts/search?q=spectacular%20erosion" title=" spectacular erosion"> spectacular erosion</a>, <a href="https://publications.waset.org/abstracts/search?q=mega-gully" title=" mega-gully"> mega-gully</a>, <a href="https://publications.waset.org/abstracts/search?q=flash%20flood" title=" flash flood"> flash flood</a>, <a href="https://publications.waset.org/abstracts/search?q=alluvial%20deposit" title=" alluvial deposit"> alluvial deposit</a>, <a href="https://publications.waset.org/abstracts/search?q=East%20African%20rift" title=" East African rift"> East African rift</a>, <a href="https://publications.waset.org/abstracts/search?q=Burundi" title=" Burundi"> Burundi</a> </p> <a href="https://publications.waset.org/abstracts/47188/mapping-and-database-on-mass-movements-along-the-eastern-edge-of-the-east-african-rift-in-burundi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47188.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">306</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">5083</span> Hybridization as a Process of Refusal of Imposed Popular Architecture</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Eliseo%20Mu%C3%B1iz-Gutierrez">Jorge Eliseo Muñiz-Gutierrez</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Olvera-Garc%C3%ADa"> Daniel Olvera-García</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristina%20Sotelo-Salas"> Cristina Sotelo-Salas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this research is to allow the understanding of the hybridization process shown in culture through the architecture of mass production for the purpose of consumption, taking as a case study the mass-built housing of the city of Mexicali, Mexico. The methodology is born from the hermeneutical study of the meta-modified architectural object, which guided the research with a qualitative focus to be carried out in two stages, the first is based on the literature review regarding cultural hybridization, and the second stage is carried out in through an ethnographic study of the cultural exploration of the contextual landscape produced by the houses located in popular neighborhoods of the city of Mexicali, Mexico. The research shows that there is an unconscious hybridization process, the birth of a mixture of impositions guided by the popular and the personal aspirations of the inhabitant. The study presents the possibilities of a home and the relationship with its inhabitant and, in turn, its effects on the context and its contribution to culture through hybridization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hybridization" title="hybridization">hybridization</a>, <a href="https://publications.waset.org/abstracts/search?q=architectural%20landscape" title=" architectural landscape"> architectural landscape</a>, <a href="https://publications.waset.org/abstracts/search?q=architecture" title=" architecture"> architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=mass%20housing" title=" mass housing"> mass housing</a> </p> <a href="https://publications.waset.org/abstracts/141872/hybridization-as-a-process-of-refusal-of-imposed-popular-architecture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141872.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">169</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">5082</span> Study of Pressure and Air Mass Flow Effect on Output Power of PEM Fuel Cell Powertrains in Vehicles and Airplanes- A Simulation-based Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdiye%20Khorasani">Mahdiye Khorasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Arjun%20Vijay"> Arjun Vijay</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Mashayekh"> Ali Mashayekh</a>, <a href="https://publications.waset.org/abstracts/search?q=Christian%20Trapp"> Christian Trapp</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The performance of Proton Exchange Membrane Fuel Cell (PEMFC) is highly dependent on the pressure and mass flow of media (Hydrogen and air) throughout the cells and the stack. Higher pressure, on the one hand, results in higher output power of the stack but, on the other hand, increases the electrical power demand of the compressor. In this work, a simulation model of a PEMFC system for vehicle and airplane applications is developed. With this new model, the effect of different pressures and air mass flow rates are investigated to discover the optimum operating point in a PEMFC system, and innovative operation strategies are implemented to optimize reactants flow while minimizing electrical power demand of the compressor for optimum performance. Additionally, a fuel cell system test bench is set up, which contains not only all the auxiliary components for conditioning the gases, reactants, and flows but also a dynamic titling table for testing different orientations of the stack to simulate the flight conditions during take-off and landing and off-road-vehicle scenarios. The results of simulation will be tested and validated on the test bench for future works. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=air%20mass%20flow%20effect" title="air mass flow effect">air mass flow effect</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization%20of%20operation" title=" optimization of operation"> optimization of operation</a>, <a href="https://publications.waset.org/abstracts/search?q=pressure%20effect" title=" pressure effect"> pressure effect</a>, <a href="https://publications.waset.org/abstracts/search?q=PEMFC%20system" title=" PEMFC system"> PEMFC system</a>, <a href="https://publications.waset.org/abstracts/search?q=PEMFC%20system%20simulation" title=" PEMFC system simulation"> PEMFC system simulation</a> </p> <a href="https://publications.waset.org/abstracts/144163/study-of-pressure-and-air-mass-flow-effect-on-output-power-of-pem-fuel-cell-powertrains-in-vehicles-and-airplanes-a-simulation-based-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144163.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">175</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">5081</span> Heat and Mass Transfer in MHD Flow of Nanofluids through a Porous Media Due to a Permeable Stretching Sheet with Viscous Dissipation and Chemical Reaction Effects</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yohannes%20Yirga">Yohannes Yirga</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Tesfay"> Daniel Tesfay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The convective heat and mass transfer in nanofluid flow through a porous media due to a permeable stretching sheet with magnetic field, viscous dissipation, and chemical reaction and Soret effects are numerically investigated. Two types of nanofluids, namely Cu-water and Ag-water were studied. The governing boundary layer equations are formulated and reduced to a set of ordinary differential equations using similarity transformations and then solved numerically using the Keller box method. Numerical results are obtained for the skin friction coefficient, Nusselt number and Sherwood number as well as for the velocity, temperature and concentration profiles for selected values of the governing parameters. Excellent validation of the present numerical results has been achieved with the earlier linearly stretching sheet problems in the literature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=heat%20and%20mass%20transfer" title="heat and mass transfer">heat and mass transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetohydrodynamics" title=" magnetohydrodynamics"> magnetohydrodynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=nanofluid" title=" nanofluid"> nanofluid</a>, <a href="https://publications.waset.org/abstracts/search?q=fluid%20dynamics" title=" fluid dynamics"> fluid dynamics</a> </p> <a href="https://publications.waset.org/abstracts/4910/heat-and-mass-transfer-in-mhd-flow-of-nanofluids-through-a-porous-media-due-to-a-permeable-stretching-sheet-with-viscous-dissipation-and-chemical-reaction-effects" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4910.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">291</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">5080</span> Modelling of a Biomechanical Vertebral System for Seat Ejection in Aircrafts Using Lumped Mass Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20Unnikrishnan">R. Unnikrishnan</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Shankar"> K. Shankar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the case of high-speed fighter aircrafts, seat ejection is designed mainly for the safety of the pilot in case of an emergency. Strong windblast due to the high velocity of flight is one main difficulty in clearing the tail of the aircraft. Excessive G-forces generated, immobilizes the pilot from escape. In most of the cases, seats are ejected out of the aircrafts by explosives or by rocket motors attached to the bottom of the seat. Ejection forces are primarily in the vertical direction with the objective of attaining the maximum possible velocity in a specified period of time. The safe ejection parameters are studied to estimate the critical time of ejection for various geometries and velocities of flight. An equivalent analytical 2-dimensional biomechanical model of the human spine has been modelled consisting of vertebrae and intervertebral discs with a lumped mass approach. The 24 vertebrae, which consists of the cervical, thoracic and lumbar regions, in addition to the head mass and the pelvis has been designed as 26 rigid structures and the intervertebral discs are assumed as 25 flexible joint structures. The rigid structures are modelled as mass elements and the flexible joints as spring and damper elements. Here, the motions are restricted only in the mid-sagittal plane to form a 26 degree of freedom system. The equations of motions are derived for translational movement of the spinal column. An ejection force with a linearly increasing acceleration profile is applied as vertical base excitation on to the pelvis. The dynamic vibrational response of each vertebra in time-domain is estimated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biomechanical%20model" title="biomechanical model">biomechanical model</a>, <a href="https://publications.waset.org/abstracts/search?q=lumped%20mass" title=" lumped mass"> lumped mass</a>, <a href="https://publications.waset.org/abstracts/search?q=seat%20ejection" title=" seat ejection"> seat ejection</a>, <a href="https://publications.waset.org/abstracts/search?q=vibrational%20response" title=" vibrational response"> vibrational response</a> </p> <a href="https://publications.waset.org/abstracts/56135/modelling-of-a-biomechanical-vertebral-system-for-seat-ejection-in-aircrafts-using-lumped-mass-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56135.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">231</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">5079</span> Initiative Strategies on How to Increase Value Add of the Recycling Business </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yananda%20Siraphatthada">Yananda Siraphatthada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The current study was the succession of a previous study on value added of recycling business management. Its aims are to 1) explore conditions on how to increasing value add of Thai recycling business, and 2) exam the implementation of the 3-staged plan (short, medium, and long term), suggested by the former study, to increase value added of the recycling business as immediate mechanisms to accelerate government operation. Quantitative and qualitative methods were utilized in this research. A qualitative research consisted of in-depth interviews and focus group discussions. Responses were obtained from owners of the waste separation plants, and recycle shops, as well as officers in relevant governmental agencies. They were randomly selected via Quota Sampling. Data was analyzed via content analysis. The sample used for quantitative method consisted of 1,274 licensed recycling operators in eight provinces. The operators were randomly stratified via sampling method. Data were analyzed via descriptive statistics frequency, percentage, average (mean), and standard deviation. The study recommended three-staged plan: short, medium, and long terms. The plan included the development of logistics, the provision of quality market/plants, the amendment of recycling rules/regulation, the restructuring recycling business, the establishment of green-purchasing recycling center, support for the campaigns run by the International Green Purchasing Network (IGPN), conferences/workshops as a public forum to share insights among experts/concern people. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=strategies" title="strategies">strategies</a>, <a href="https://publications.waset.org/abstracts/search?q=value%20added" title=" value added"> value added</a>, <a href="https://publications.waset.org/abstracts/search?q=recycle" title=" recycle"> recycle</a>, <a href="https://publications.waset.org/abstracts/search?q=business" title=" business"> business</a> </p> <a href="https://publications.waset.org/abstracts/4254/initiative-strategies-on-how-to-increase-value-add-of-the-recycling-business" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4254.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">244</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">5078</span> The EAO2 in Essouabaa, Tebessa, Algeria: An Example of Facies to Organic Matter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sihem%20Salmi%20Laouar">Sihem Salmi Laouar</a>, <a href="https://publications.waset.org/abstracts/search?q=Khoudair%20Chabane"> Khoudair Chabane</a>, <a href="https://publications.waset.org/abstracts/search?q=Rabah%20Laouar"> Rabah Laouar</a>, <a href="https://publications.waset.org/abstracts/search?q=Adrian%20J.%20Boyce%20et%20Anthony%20E.%20Fallick"> Adrian J. Boyce et Anthony E. Fallick </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The solid mass of Essouabaa belongs paléogéography to the field téthysian and belonged to the area of the Mounts of Mellègue. This area was not saved by the oceanic-2 event anoxic (EAO-2) which was announced, over one short period, around the limit cénomanian-turonian. In the solid mass of Essouabba, the dominant sediments, pertaining to this period, are generally fine, dark, laminated and sometimes rolled deposits. They contain a rather rich planktonic microfaune, pyrite, and grains of phosphate, thus translating an environment rather deep and reducing rather deep and reducing. For targeting well the passage Cénomanian-Turonian (C-T) in the solid mass of Essouabaa, of the studies lithological and biostratigraphic were combined with the data of the isotopic analyses carbon and oxygen like with the contents of CaCO3. The got results indicate that this passage is marked by a biological event translated by the appearance of the "filaments" like by a positive excursion of the δ13C and δ18O. The cénomanian-turonian passage in the solid mass of Essouabaa represents a good example where during the oceanic event anoxic a facies with organic matter with contents of COT which can reach 1.36%. C E massive presents biostratigraphic and isotopic similarities with those obtained as well in the areas bordering (ex: Tunisia and Morocco) that throughout the world. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=limit%20c%C3%A9nomanian-turonian%20%28C-T%29" title="limit cénomanian-turonian (C-T)">limit cénomanian-turonian (C-T)</a>, <a href="https://publications.waset.org/abstracts/search?q=COT" title=" COT"> COT</a>, <a href="https://publications.waset.org/abstracts/search?q=filaments" title=" filaments"> filaments</a>, <a href="https://publications.waset.org/abstracts/search?q=event%20anoxic%202%20%28EAO-2%29" title=" event anoxic 2 (EAO-2)"> event anoxic 2 (EAO-2)</a>, <a href="https://publications.waset.org/abstracts/search?q=stable%20isotopes" title=" stable isotopes"> stable isotopes</a>, <a href="https://publications.waset.org/abstracts/search?q=mounts%20of%20Mell%C3%A8gue" title=" mounts of Mellègue"> mounts of Mellègue</a>, <a href="https://publications.waset.org/abstracts/search?q=Algeria" title=" Algeria"> Algeria</a> </p> <a href="https://publications.waset.org/abstracts/25989/the-eao2-in-essouabaa-tebessa-algeria-an-example-of-facies-to-organic-matter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25989.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">515</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">5077</span> Development of Entrepreneurship in Industry on the Basis of Regulation of Transnational Production Chains in the Russian Arctic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=E.%20N.%20Vetrova">E. N. Vetrova</a>, <a href="https://publications.waset.org/abstracts/search?q=L.V.%20Lapochkina"> L.V. Lapochkina</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20V.%20Nikulina"> N. V. Nikulina </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the national economy, entrepreneurship plays the role of a buffer between economy and policy for it contributes to improving budget effectiveness and decreasing dependence of economy on the state. Entrepreneurship in industry makes it possible to increase the added value that is formed in production chains and to decrease dependence on import. Under the current circumstances, when sanctions are being imposed, this is especially relevant for Russia and for the realization of projects in the Russian Arctic. However, development of entrepreneurship in industry requires an enlightened state policy. The purpose of the research is elaboration of recommendations for improving economic effectiveness of the realization of the Arctic projects on the basis of conceptual proposals for the development of entrepreneurship in industry. The paper presents the studies of the extractive industry role in the Russian economy and proves its raw material character. The analysis of production chains in industry on the basis of the conception of the added value global chains demonstrated a low added value formed by Russian companies. The study of changes in the structure of economy based on systemic, statistical and comparative analyses revealed no positive changes in the structure of economy over the period under consideration. This is a manifestation of ineffectiveness of the Russian industrial policy in general and within the Arctic region in particular. The authors identified the problems information and implementation of the state industrial policy in the Arctic region and in the development of national entrepreneurship, analyzed the shortcomings of the current state policy in the sphere of the Russian industry. On the basis of the conducted studies, the authors formulated conceptual approaches to change the state policy in the Arctic. The basic idea of the authors is to substantiate the focus of the state regulation on the development of entrepreneurship in industry in the process of the Russian Arctic exploration. At the same time another problem is solved–that of the development of the manufacturing industry in the southern regions of the northwestern part of Russia. The criterion of effectiveness in this case is the economic effectiveness. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=entrepreneurship%20in%20industry" title="entrepreneurship in industry">entrepreneurship in industry</a>, <a href="https://publications.waset.org/abstracts/search?q=global%20chains%20of%20the%20added%20value" title=" global chains of the added value"> global chains of the added value</a>, <a href="https://publications.waset.org/abstracts/search?q=government%20regulation" title=" government regulation"> government regulation</a>, <a href="https://publications.waset.org/abstracts/search?q=industrial%20policies" title=" industrial policies"> industrial policies</a>, <a href="https://publications.waset.org/abstracts/search?q=production%20chains%20in%20the%20arctic%20region" title=" production chains in the arctic region"> production chains in the arctic region</a>, <a href="https://publications.waset.org/abstracts/search?q=economic%20effectiveness" title=" economic effectiveness"> economic effectiveness</a> </p> <a href="https://publications.waset.org/abstracts/41149/development-of-entrepreneurship-in-industry-on-the-basis-of-regulation-of-transnational-production-chains-in-the-russian-arctic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41149.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">386</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">5076</span> Measuring the Economic Impact of Cultural Heritage: Comparative Analysis of the Multiplier Approach and the Value Chain Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nina%20Ponikvar">Nina Ponikvar</a>, <a href="https://publications.waset.org/abstracts/search?q=Katja%20Zajc%20Kej%C5%BEar"> Katja Zajc Kejžar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> While the positive impacts of heritage on a broad societal spectrum have long been recognized and measured, the economic effects of the heritage sector are often less visible and frequently underestimated. At macro level, economic effects are usually studied based on one of the two mainstream approach, i.e. either the multiplier approach or the value chain approach. Consequently, there is limited comparability of the empirical results due to the use of different methodological approach in the literature. Furthermore, it is also not clear on which criteria the used approach was selected. Our aim is to bring the attention to the difference in the scope of effects that are encompassed by the two most frequent methodological approaches to valuation of economic effects of cultural heritage on macroeconomic level, i.e. the multiplier approach and the value chain approach. We show that while the multiplier approach provides a systematic, theory-based view of economic impacts but requires more data and analysis, the value chain approach has less solid theoretical foundations and depends on the availability of appropriate data to identify the contribution of cultural heritage to other sectors. We conclude that the multiplier approach underestimates the economic impact of cultural heritage, mainly due to the narrow definition of cultural heritage in the statistical classification and the inability to identify part of the contribution of cultural heritage that is hidden in other sectors. Yet it is not possible to clearly determine whether the value chain method overestimates or underestimates the actual economic impact of cultural heritage since there is a risk that the direct effects are overestimated and double counted, but not all indirect and induced effects are considered. Accordingly, these two approaches are not substitutes but rather complementary. Consequently, a direct comparison of the estimated impacts is not possible and should not be done due to the different scope. To illustrate the difference of the impact assessment of the cultural heritage, we apply both approaches to the case of Slovenia in the 2015-2022 period and measure the economic impact of cultural heritage sector in terms of turnover, gross value added and employment. The empirical results clearly show that the estimation of the economic impact of a sector using the multiplier approach is more conservative, while the estimates based on value added capture a much broader range of impacts. According to the multiplier approach, each euro in cultural heritage sector generates an additional 0.14 euros in indirect effects and an additional 0.44 euros in induced effects. Based on the value-added approach, the indirect economic effect of the “narrow” heritage sectors is amplified by the impact of cultural heritage activities on other sectors. Accordingly, every euro of sales and every euro of gross value added in the cultural heritage sector generates approximately 6 euros of sales and 4 to 5 euros of value added in other sectors. In addition, each employee in the cultural heritage sector is linked to 4 to 5 jobs in other sectors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=economic%20value%20of%20cultural%20heritage" title="economic value of cultural heritage">economic value of cultural heritage</a>, <a href="https://publications.waset.org/abstracts/search?q=multiplier%20approach" title=" multiplier approach"> multiplier approach</a>, <a href="https://publications.waset.org/abstracts/search?q=value%20chain%20approach" title=" value chain approach"> value chain approach</a>, <a href="https://publications.waset.org/abstracts/search?q=indirect%20effects" title=" indirect effects"> indirect effects</a>, <a href="https://publications.waset.org/abstracts/search?q=slovenia" title=" slovenia"> slovenia</a> </p> <a href="https://publications.waset.org/abstracts/173837/measuring-the-economic-impact-of-cultural-heritage-comparative-analysis-of-the-multiplier-approach-and-the-value-chain-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173837.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">75</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">5075</span> Effect of Aging Time and Mass Concentration on the Rheological Behavior of Vase of Dam</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hammadi%20Larbi">Hammadi Larbi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Water erosion, the main cause of the siltation of a dam, is a natural phenomenon governed by natural physical factors such as aggressiveness, climate change, topography, lithology, and vegetation cover. Currently, a vase from certain dams is released downstream of the dikes during devastation by hydraulic means. The vases are characterized by complex rheological behaviors: rheofluidification, yield stress, plasticity, and thixotropy. In this work, we studied the effect of the aging time of the vase in the dam and the mass concentration of the vase on the flow behavior of a vase from the Fergoug dam located in the Mascara region. In order to test the reproducibility of results, two replicates were performed for most of the experiments. The flow behavior of the vase studied as a function of storage time and mass concentration is analyzed by the Herschel Bulkey model. The increase in the aging time of the vase in the dam causes an increase in the yield stress and the consistency index of the vase. This phenomenon can be explained by the adsorption of the water by the vase and the increase in volume by swelling, which modifies the rheological parameters of the vase. The increase in the mass concentration in the vase leads to an increase in the yield stress and the consistency index as a function of the concentration. This behavior could be explained by interactions between the granules of the vase suspension. On the other hand, the increase in the aging time and the mass concentration of the vase in the dam causes a reduction in the flow index of the vase. The study also showed an exponential decrease in apparent viscosity with the increase in the aging time of the vase in the dam. If a vase is allowed to age long enough for the yield stress to be close to infinity, its apparent viscosity is also close to infinity; then the apparent viscosity also tends towards infinity; this can, for example, subsequently pose problems when dredging dams. For good dam management, it could be then deduced to reduce the dredging time of the dams as much as possible. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=vase%20of%20dam" title="vase of dam">vase of dam</a>, <a href="https://publications.waset.org/abstracts/search?q=aging%20time" title=" aging time"> aging time</a>, <a href="https://publications.waset.org/abstracts/search?q=rheological%20behavior" title=" rheological behavior"> rheological behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=yield%20stress" title=" yield stress"> yield stress</a>, <a href="https://publications.waset.org/abstracts/search?q=apparent%20viscosity" title=" apparent viscosity"> apparent viscosity</a>, <a href="https://publications.waset.org/abstracts/search?q=thixotropy" title=" thixotropy"> thixotropy</a> </p> <a href="https://publications.waset.org/abstracts/190147/effect-of-aging-time-and-mass-concentration-on-the-rheological-behavior-of-vase-of-dam" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/190147.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">28</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">5074</span> A Step-by-Step Analytical Protocol For Detecting and Identifying Minor Differences In Like Materials and Polymers Using Pyrolysis -Gas Chromatography/Mass Spectrometry Technique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Athena%20Nguyen">Athena Nguyen</a>, <a href="https://publications.waset.org/abstracts/search?q=Rojin%20Belganeh"> Rojin Belganeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Detecting and identifying differences in like polymer materials are key factors in failure and deformulation analysis, and reverse engineering. Pyrolysis-GC/MS is an easy solid sample introduction technique which expands the application areas of gas chromatography and mass spectrometry. The Micro furnace pyrolyzer is directly interfaced with the GC injector preventing any potential of cold spot, carryover, and cross contamination. In this presentation, the analysis of the differences in three polystyrene samples is demonstrated. Although the three samples look very similar by Evolve gas analysis (EGA) and Flash pyrolysis, there are indications of small levels of other materials. By performing Thermal desorption-GC/MS, the additive compounds between samples show the differences. EGA, flash pyrolysis, and thermal desorption analysis are the different modes of operations of the micro-furnace pyrolyzer enabling users to perform multiple analytical techniques. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gas%20chromatography%2FMass%20spectrometry" title="Gas chromatography/Mass spectrometry">Gas chromatography/Mass spectrometry</a>, <a href="https://publications.waset.org/abstracts/search?q=pyrolysis" title=" pyrolysis"> pyrolysis</a>, <a href="https://publications.waset.org/abstracts/search?q=pyrolyzer" title=" pyrolyzer"> pyrolyzer</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20desorption-GC%2FMS" title=" thermal desorption-GC/MS"> thermal desorption-GC/MS</a> </p> <a href="https://publications.waset.org/abstracts/139716/a-step-by-step-analytical-protocol-for-detecting-and-identifying-minor-differences-in-like-materials-and-polymers-using-pyrolysis-gas-chromatographymass-spectrometry-technique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139716.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">187</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">5073</span> A Numerical and Experimental Study on Fast Pyrolysis of Single Wood Particle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Rezaei">Hamid Rezaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaotao%20Bi"> Xiaotao Bi</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Jim%20Lim"> C. Jim Lim</a>, <a href="https://publications.waset.org/abstracts/search?q=Anthony%20Lau"> Anthony Lau</a>, <a href="https://publications.waset.org/abstracts/search?q=Shahab%20Sokhansanj"> Shahab Sokhansanj</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A one-dimensional heat transfer model coupled with the kinetic information has been used to predict the overall pyrolysis mass loss of a single wood particle. The kinetic parameters were determined experimentally and the regime and characteristics of the conversion were evaluated in terms of the particle size and reactor temperature. The order of overall mass loss changed from n=1 at temperatures lower than 350 °C to n=0.5 at temperatures higher that 350 °C. Conversion time analysis showed that particles larger than 0.5 mm were controlled by internal thermal resistances. The valid range of particle size to use the simplified lumped model depends on the fluid temperature around the particles. The critical particle size was 0.6-0.7 mm for the fluid temperature of 500 °C and 0.9-1.0 mm for the fluid temperature of 100 °C. Experimental pyrolysis of moist particles did not show distinct drying and pyrolysis stages. The process was divided into two hypothetical drying and pyrolysis dominated zones and empirical correlations are developed to predict the rate of mass loss in each zone. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pyrolysis" title="pyrolysis">pyrolysis</a>, <a href="https://publications.waset.org/abstracts/search?q=kinetics" title=" kinetics"> kinetics</a>, <a href="https://publications.waset.org/abstracts/search?q=model" title=" model"> model</a>, <a href="https://publications.waset.org/abstracts/search?q=single%20particle" title=" single particle"> single particle</a> </p> <a href="https://publications.waset.org/abstracts/57465/a-numerical-and-experimental-study-on-fast-pyrolysis-of-single-wood-particle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57465.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">320</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">5072</span> Bone Mineral Density and Quality, Body Composition of Women in the Postmenopausal Period</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vladyslav%20Povoroznyuk">Vladyslav Povoroznyuk</a>, <a href="https://publications.waset.org/abstracts/search?q=Oksana%20Ivanyk"> Oksana Ivanyk</a>, <a href="https://publications.waset.org/abstracts/search?q=Nataliia%20Dzerovych"> Nataliia Dzerovych</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the diagnostics of osteoporosis, the gold standard is considered to be bone mineral density; however, X-ray densitometry is not an accurate indicator of osteoporotic fracture risk under all circumstances. In this regard, the search for new methods that could determine the indicators not only of the mineral density, but of the bone tissue quality, is a logical step for diagnostic optimization. One of these methods is the evaluation of trabecular bone quality. The aim of this study was to examine the quality and mineral density of spine bone tissue, femoral neck, and body composition of women depending on the duration of the postmenopausal period, to determine the correlation of body fat with indicators of bone mineral density and quality. The study examined 179 women in premenopausal and postmenopausal periods. The patients were divided into the following groups: Women in the premenopausal period and women in the postmenopausal period at various stages (early, middle, late postmenopause). A general examination and study of the above parameters were conducted with General Electric X-ray densitometer. The results show that bone quality and mineral density probably deteriorate with advancing of postmenopausal period. Total fat and lean mass ratio is not likely to change with age. In the middle and late postmenopausal periods, the bone tissue mineral density of the spine and femoral neck increases along with total fat mass. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=osteoporosis" title="osteoporosis">osteoporosis</a>, <a href="https://publications.waset.org/abstracts/search?q=bone%20tissue%20mineral%20density" title=" bone tissue mineral density"> bone tissue mineral density</a>, <a href="https://publications.waset.org/abstracts/search?q=bone%20quality" title=" bone quality"> bone quality</a>, <a href="https://publications.waset.org/abstracts/search?q=fat%20mass" title=" fat mass"> fat mass</a>, <a href="https://publications.waset.org/abstracts/search?q=lean%20mass" title=" lean mass"> lean mass</a>, <a href="https://publications.waset.org/abstracts/search?q=postmenopausal%20osteoporosis" title=" postmenopausal osteoporosis"> postmenopausal osteoporosis</a> </p> <a href="https://publications.waset.org/abstracts/66298/bone-mineral-density-and-quality-body-composition-of-women-in-the-postmenopausal-period" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66298.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">343</span> </span> </div> </div> <ul class="pagination"> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=added%20mass&page=8" rel="prev">&lsaquo;</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=added%20mass&page=1">1</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=added%20mass&page=2">2</a></li> <li class="page-item disabled"><span class="page-link">...</span></li> <li class="page-item"><a class="page-link" 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