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analysis</title> <meta name="description" content="Search results for: chemical analysis"> <meta name="keywords" content="chemical analysis"> <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 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action="https://publications.waset.org/abstracts/search"> <div 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="chemical analysis"> <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> 30921</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: chemical analysis</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30921</span> Bioactive Chemical Markers Based Strategy for Quality Control of Herbal Medicines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zhenzhong%20Yang">Zhenzhong Yang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Herbal medicines are important supplements to chemical drugs and usually consist of a complex mixture of constituents. The current quality control strategy of herbal medicines is mainly based on chemical markers, which largely failed to owe to the markers, not reflecting the herbal medicines’ multiple mechanisms of action. Herein, a bioactive chemical markers based strategy was proposed and applied to the quality assessment and control of herbal medicines. This strategy mainly includes the comprehensive chemical characterization of herbal medicines, bioactive chemical markers identification, and related quantitative analysis methods development. As a proof-of-concept, this strategy was applied to a Panax notoginseng derived herbal medicine. The bioactive chemical markers based strategy offers a rational approach for quality assessment and control of herbal medicines. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bioactive%20chemical%20markers" title="bioactive chemical markers">bioactive chemical markers</a>, <a href="https://publications.waset.org/abstracts/search?q=herbal%20medicines" title=" herbal medicines"> herbal medicines</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20assessment" title=" quality assessment"> quality assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20control" title=" quality control"> quality control</a> </p> <a href="https://publications.waset.org/abstracts/128810/bioactive-chemical-markers-based-strategy-for-quality-control-of-herbal-medicines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128810.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">178</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">30920</span> Procedure to Optimize the Performance of Chemical Laser Using the Genetic Algorithm Optimizations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammedi%20Ferhate">Mohammedi Ferhate</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work presents details of the study of the entire flow inside the facility where the exothermic chemical reaction process in the chemical laser cavity is analyzed. In our paper we will describe the principles of chemical lasers where flow reversal is produced by chemical reactions. We explain the device for converting chemical potential energy laser energy. We see that the phenomenon thus has an explosive trend. Finally, the feasibility and effectiveness of the proposed method is demonstrated by computer simulation <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=genetic" title="genetic">genetic</a>, <a href="https://publications.waset.org/abstracts/search?q=lasers" title=" lasers"> lasers</a>, <a href="https://publications.waset.org/abstracts/search?q=nozzle" title=" nozzle"> nozzle</a>, <a href="https://publications.waset.org/abstracts/search?q=programming" title=" programming"> programming</a> </p> <a href="https://publications.waset.org/abstracts/166363/procedure-to-optimize-the-performance-of-chemical-laser-using-the-genetic-algorithm-optimizations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166363.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">94</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">30919</span> Chemical Analysis of Available Portland Cement in Libyan Market Using X-Ray Fluorescence</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Elbagermia">M. A. Elbagermia</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20I.%20Alajtala"> A. I. Alajtala</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Alkerzab"> M. Alkerzab</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study compares the quality of different brands of Portland Cement (PC) available in Libyan market. The amounts of chemical constituents like SiO2, Al2O3, Fe2O3, CaO, MgO, SO3, and Lime Saturation Factor (LSF) were determined in accordance with Libyan (L.S.S) and Amrican (A.S.S) Standard Specifications. All the cement studies were found to be good for concrete work especially where no special property is required. The chemical and mineralogical analyses for studied clinker samples show that the dominant phases composition are C3S and C2S while the C3A and C4AF are less abundant. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Portland%20cement" title="Portland cement">Portland cement</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20composition" title=" chemical composition"> chemical composition</a>, <a href="https://publications.waset.org/abstracts/search?q=Libyan%20market" title=" Libyan market"> Libyan market</a>, <a href="https://publications.waset.org/abstracts/search?q=X-Ray%20fluorescence" title=" X-Ray fluorescence"> X-Ray fluorescence</a> </p> <a href="https://publications.waset.org/abstracts/1338/chemical-analysis-of-available-portland-cement-in-libyan-market-using-x-ray-fluorescence" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1338.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">360</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">30918</span> Heavy Metal Concentration in Orchard Area, Amphawa District, Samut Songkram Province, Thailand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sisuwan%20Kaseamsawat">Sisuwan Kaseamsawat</a>, <a href="https://publications.waset.org/abstracts/search?q=Sivapan%20Choo-In"> Sivapan Choo-In</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A study was conducted in May to July 2013 with the aim of determination of heavy metal concentration in orchard area. 60 samples were collected and analyzed for Cadmium (Cd), Copper (Cu), Lead (Pb), and Zinc (Zn) by Atomic Absorption Spectrophotometer (AAS). The heavy metal concentrations in sediment of orchards, that use chemical for Cd (1.13 ± 0.26 mg/l), Cu (8.00 ± 1.05 mg/l), Pb (13.16 ± 2.01) and Zn (37.41 ± 3.20 mg/l). The heavy metal concentrations in sediment of the orchards, that do not use chemical for Cd (1.28 ± 0.50 mg/l), Cu (7.60 ± 1.20 mg/l), Pb (29.87 ± 4.88) and Zn (21.79 ± 2.98 mg/l). Statistical analysis between heavy metal in sediment from the orchard, that use chemical and the orchard, that not use chemical were difference statistic significant of 0.5 level of significant for Cd and Pb while no statistically difference for Cu and Zn. <p class="card-text"><strong>Keywords:</strong> <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=orchard" title=" orchard"> orchard</a>, <a href="https://publications.waset.org/abstracts/search?q=pollution%20and%20monitoring" title=" pollution and monitoring"> pollution and monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=sediment" title=" sediment"> sediment</a> </p> <a href="https://publications.waset.org/abstracts/8591/heavy-metal-concentration-in-orchard-area-amphawa-district-samut-songkram-province-thailand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8591.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">385</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">30917</span> Characterization of Banana (Musa spp.) Pseudo-Stem and Fruit-Bunch-Stem as a Potential Renewable Energy Resource</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nurhayati%20Abdullah">Nurhayati Abdullah</a>, <a href="https://publications.waset.org/abstracts/search?q=Fauziah%20Sulaiman"> Fauziah Sulaiman</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhamad%20Azman%20Miskam"> Muhamad Azman Miskam</a>, <a href="https://publications.waset.org/abstracts/search?q=Rahmad%20Mohd%20Taib"> Rahmad Mohd Taib </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Banana pseudo-stem and fruit-bunch-stem are agricultural residues that can be used for conversion to bio-char, bio-oil, and gases by using thermochemical process. The aim of this work is to characterize banana pseudo-stem and banana fruit-bunch-stem through proximate analysis, elemental analysis, chemical analysis, thermo-gravimetric analysis, and heating calorific value. The ash contents of the banana pseudo-stem and banana fruit-bunch-stem are 11.0 mf wt.% and 20.6 mf wt.%; while the carbon content of banana pseudo-stem and fruit-bunch-stem are 37.9 mf wt.% and 35.58 mf wt.% respectively. The molecular formulas for banana stem and banana fruit-bunch-stem are C24H33NO26 and C19H29NO33 respectively. The measured higher heating values of banana pseudo-stem and banana fruit-bunch-stem are 15.5MJ/kg and 12.7 MJ/kg respectively. By chemical analysis, the lignin, cellulose, and hemicellulose contents in the samples will also be presented. The feasibility of the banana wastes to be a feedstock for thermochemical process in comparison with other biomass will be discussed in this paper. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=banana%20waste" title="banana waste">banana waste</a>, <a href="https://publications.waset.org/abstracts/search?q=biomass" title=" biomass"> biomass</a>, <a href="https://publications.waset.org/abstracts/search?q=renewable%20energy" title=" renewable energy"> renewable energy</a>, <a href="https://publications.waset.org/abstracts/search?q=thermo-chemical%20characteristics" title=" thermo-chemical characteristics"> thermo-chemical characteristics</a> </p> <a href="https://publications.waset.org/abstracts/6876/characterization-of-banana-musa-spp-pseudo-stem-and-fruit-bunch-stem-as-a-potential-renewable-energy-resource" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6876.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">519</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">30916</span> The Influence of Environment Characteristics in the Distribution of Vegetation Communities in Rawdhat Salasil, Saudi Arabia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suliman%20Mohammed%20Alghanem">Suliman Mohammed Alghanem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ecological and botanical surveys were conducted on Rawdhat Salasil, Al-Qassim region, Saudi Arabia. The survey also includes the study of the plant communities in the study area by sampling the associated species in each community using the List Count Quadrant method to study the density, frequency, and plant cover. The present study has shown an account of the under-mentioned five different communities: Haloxylonpersicum community is a dominant perennial shrub with an important value of 47.88%. This community is represented by 20 associated species. The chemical analysis of the soil of this habitat exhibits more alkalinity with low salinity. Tamarixnilotica communityis a perennial shrub with an important value of 60.48%. This community is represented by 14 associated species. The chemical analysis of the soil of this habitat demonstrates richness in alkalis with high salinity.Salsolaimbricata communityis a perennial herb with an important value of 60.18%. This community is represented by 17 associated species. The chemical analysis of the soil of this habitat exhibits richness in alkalis with low salinity.Panicumturgidum is a perennial herb with an important value of 65.1%. This community is represented by 11 associated species. The chemical analysis of the soil of this habitat exhibits richness in alkalis and the absence of salinity. Pulicariaundulata community is predominantly an annual shrub with an important value of 91.79%. This community is represented by 16 species. The chemical analysis of the soil of this habitat exhibits richness in alkalis, and the absence of salinity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rangelands" title="rangelands">rangelands</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20communities" title=" plant communities"> plant communities</a>, <a href="https://publications.waset.org/abstracts/search?q=Rawdhat%20Salasil" title=" Rawdhat Salasil"> Rawdhat Salasil</a>, <a href="https://publications.waset.org/abstracts/search?q=edaphic%20factors" title=" edaphic factors"> edaphic factors</a> </p> <a href="https://publications.waset.org/abstracts/45073/the-influence-of-environment-characteristics-in-the-distribution-of-vegetation-communities-in-rawdhat-salasil-saudi-arabia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45073.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">294</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">30915</span> Chemical Life Cycle Alternative Assessment as a Green Chemical Substitution Framework: A Feasibility Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sami%20Ayad">Sami Ayad</a>, <a href="https://publications.waset.org/abstracts/search?q=Mengshan%20Lee"> Mengshan Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Sustainable Development Goals (SDGs) were designed to be the best possible blueprint to achieve peace, prosperity, and overall, a better and more sustainable future for the Earth and all its people, and such a blueprint is needed more than ever. The SDGs face many hurdles that will prevent them from becoming a reality, one of such hurdles, arguably, is the chemical pollution and unintended chemical impacts generated through the production of various goods and resources that we consume. Chemical Alternatives Assessment has proven to be a viable solution for chemical pollution management in terms of filtering out hazardous chemicals for a greener alternative. However, the current substitution practice lacks crucial quantitative datasets (exposures and life cycle impacts) to ensure no unintended trade-offs occur in the substitution process. A Chemical Life Cycle Alternative Assessment (CLiCAA) framework is proposed as a reliable and replicable alternative to Life Cycle Based Alternative Assessment (LCAA) as it integrates chemical molecular structure analysis and Chemical Life Cycle Collaborative (CLiCC) web-based tool to fill in data gaps that the former frameworks suffer from. The CLiCAA framework consists of a four filtering layers, the first two being mandatory, with the final two being optional assessment and data extrapolation steps. Each layer includes relevant impact categories of each chemical, ranging from human to environmental impacts, that will be assessed and aggregated into unique scores for overall comparable results, with little to no data. A feasibility study will demonstrate the efficiency and accuracy of CLiCAA whilst bridging both cancer potency and exposure limit data, hoping to provide the necessary categorical impact information for every firm possible, especially those disadvantaged in terms of research and resource management. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chemical%20alternative%20assessment" title="chemical alternative assessment">chemical alternative assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=LCA" title=" LCA"> LCA</a>, <a href="https://publications.waset.org/abstracts/search?q=LCAA" title=" LCAA"> LCAA</a>, <a href="https://publications.waset.org/abstracts/search?q=CLiCC" title=" CLiCC"> CLiCC</a>, <a href="https://publications.waset.org/abstracts/search?q=CLiCAA" title=" CLiCAA"> CLiCAA</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20substitution%20framework" title=" chemical substitution framework"> chemical substitution framework</a>, <a href="https://publications.waset.org/abstracts/search?q=cancer%20potency%20data" title=" cancer potency data"> cancer potency data</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20molecular%20structure%20analysis" title=" chemical molecular structure analysis"> chemical molecular structure analysis</a> </p> <a href="https://publications.waset.org/abstracts/152390/chemical-life-cycle-alternative-assessment-as-a-green-chemical-substitution-framework-a-feasibility-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152390.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">92</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">30914</span> Elaboration and Characterization of CdxZn1-XS Thin Films Deposed by Chemical Bath Deposition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zellagui%20Rahima">Zellagui Rahima</a>, <a href="https://publications.waset.org/abstracts/search?q=Chaumont%20Denis"> Chaumont Denis</a>, <a href="https://publications.waset.org/abstracts/search?q=Boughelout%20Abderrahman"> Boughelout Abderrahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Adnane%20Mohamed"> Adnane Mohamed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Thin films of CdxZn1-xS were deposed by chemical bath deposition on glass substrates for photovoltaic applications. The thin films CdZnS were synthesized by chemical bath (CBD) with different deposition protocols for optimized the parameter of deposition as the temperature, time of deposition, concentrations of ion and pH. Surface morphology, optical and chemical composition properties of thin film CdZnS were investigated by SEM, EDAX, spectrophotometer. The transmittance is 80% in visible region 300 nm – 1000 nm; it has been observed in that films the grain size is between 50nm and 100nm measured by SEM image and we also note that the shape of particle is changing with the change in concentration. This result favors of application these films in solar cells; the chemical analysis with EDAX gives information about the presence of Cd, Zn and S elements and investigates the stoichiometry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=thin%20film" title="thin film">thin film</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20cells" title=" solar cells"> solar cells</a>, <a href="https://publications.waset.org/abstracts/search?q=transmition" title=" transmition"> transmition</a>, <a href="https://publications.waset.org/abstracts/search?q=cdzns" title=" cdzns"> cdzns</a> </p> <a href="https://publications.waset.org/abstracts/60104/elaboration-and-characterization-of-cdxzn1-xs-thin-films-deposed-by-chemical-bath-deposition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60104.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">261</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">30913</span> Chemical Reaction Effects on Unsteady MHD Double-Diffusive Free Convective Flow over a Vertical Stretching Plate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20M.%20Aiyesimi">Y. M. Aiyesimi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20O.%20Abah"> S. O. Abah</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20T.%20Okedayo"> G. T. Okedayo </a> </p> <p class="card-text"><strong>Abstract:</strong></p> A general analysis has been developed to study the chemical reaction effects on unsteady MHD double-diffusive free convective flow over a vertical stretching plate. The governing nonlinear partial differential equations have been reduced to the coupled nonlinear ordinary differential equations by the similarity transformations. The resulting equations are solved numerically by using Runge-Kutta shooting technique. The effects of the chemical parameters are examined on the velocity, temperature and concentration profiles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chemical%20reaction" title="chemical reaction">chemical reaction</a>, <a href="https://publications.waset.org/abstracts/search?q=MHD" title=" MHD"> MHD</a>, <a href="https://publications.waset.org/abstracts/search?q=double-diffusive" title=" double-diffusive"> double-diffusive</a>, <a href="https://publications.waset.org/abstracts/search?q=stretching%20plate" title=" stretching plate"> stretching plate</a> </p> <a href="https://publications.waset.org/abstracts/13401/chemical-reaction-effects-on-unsteady-mhd-double-diffusive-free-convective-flow-over-a-vertical-stretching-plate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13401.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">409</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">30912</span> Physico-Chemical Properties of Silurian Hot Shale in Ahnet Basin, Algeria: Case Study Well ASS-1</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Mehdi%20Kadri">Mohamed Mehdi Kadri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The prediction of hot shale interval in Silurian formation in a well drilled vertically in Ahnet basin Is by logging Data (Resistivity, Gamma Ray, Sonic) with the calculation of total organic carbon (TOC) using ∆ log R Method. The aim of this paper is to present Physico-chemical Properties of Hot Shale using IR spectroscopy and gas chromatography-mass spectrometry analysis; this mixture of measurements, evaluation and characterization show that the hot shale interval located in the lower of Silurian, the molecules adsorbed at the surface of shale sheet are significantly different from petroleum hydrocarbons this result are also supported with gas-liquid chromatography showed that the study extract is a hydroxypropyl. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=physic-chemical%20analysis" title="physic-chemical analysis">physic-chemical analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=reservoirs%20characterization" title=" reservoirs characterization"> reservoirs characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=sweet%20window%20evaluation" title=" sweet window evaluation"> sweet window evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=Silurian%20shale" title=" Silurian shale"> Silurian shale</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahnet%20basin" title=" Ahnet basin"> Ahnet basin</a> </p> <a href="https://publications.waset.org/abstracts/151737/physico-chemical-properties-of-silurian-hot-shale-in-ahnet-basin-algeria-case-study-well-ass-1" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151737.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">99</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">30911</span> Chemical Kinetics and Computational Fluid-Dynamics Analysis of H2/CO/CO2/CH4 Syngas Combustion and NOx Formation in a Micro-Pilot-Ignited Supercharged Dual Fuel Engine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ulugbek%20Azimov">Ulugbek Azimov</a>, <a href="https://publications.waset.org/abstracts/search?q=Nearchos%20Stylianidis"> Nearchos Stylianidis</a>, <a href="https://publications.waset.org/abstracts/search?q=Nobuyuki%20Kawahara"> Nobuyuki Kawahara</a>, <a href="https://publications.waset.org/abstracts/search?q=Eiji%20Tomita"> Eiji Tomita</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A chemical kinetics and computational fluid-dynamics (CFD) analysis was performed to evaluate the combustion of syngas derived from biomass and coke-oven solid feedstock in a micro-pilot ignited supercharged dual-fuel engine under lean conditions. For this analysis, a new reduced syngas chemical kinetics mechanism was constructed and validated by comparing the ignition delay and laminar flame speed data with those obtained from experiments and other detail chemical kinetics mechanisms available in the literature. The reaction sensitivity analysis was conducted for ignition delay at elevated pressures in order to identify important chemical reactions that govern the combustion process. The chemical kinetics of NOx formation was analyzed for H2/CO/CO2/CH4 syngas mixtures by using counter flow burner and premixed laminar flame speed reactor models. The new mechanism showed a very good agreement with experimental measurements and accurately reproduced the effect of pressure, temperature and equivalence ratio on NOx formation. In order to identify the species important for NOx formation, a sensitivity analysis was conducted for pressures 4 bar, 10 bar and 16 bar and preheat temperature 300 K. The results show that the NOx formation is driven mostly by hydrogen based species while other species, such as N2, CO2 and CH4, have also important effects on combustion. Finally, the new mechanism was used in a multidimensional CFD simulation to predict the combustion of syngas in a micro-pilot-ignited supercharged dual-fuel engine and results were compared with experiments. The mechanism showed the closest prediction of the in-cylinder pressure and the rate of heat release (ROHR). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=syngas" title="syngas">syngas</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20kinetics%20mechanism" title=" chemical kinetics mechanism"> chemical kinetics mechanism</a>, <a href="https://publications.waset.org/abstracts/search?q=internal%20combustion%20engine" title=" internal combustion engine"> internal combustion engine</a>, <a href="https://publications.waset.org/abstracts/search?q=NOx%20formation" title=" NOx formation"> NOx formation</a> </p> <a href="https://publications.waset.org/abstracts/73746/chemical-kinetics-and-computational-fluid-dynamics-analysis-of-h2coco2ch4-syngas-combustion-and-nox-formation-in-a-micro-pilot-ignited-supercharged-dual-fuel-engine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73746.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">409</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">30910</span> Land Suitability Analysis for Maize Production in Egbeda Local Government Area of Oyo State Using GIS Techniques</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abegunde%20Linda">Abegunde Linda</a>, <a href="https://publications.waset.org/abstracts/search?q=Adedeji%20Oluwatayo"> Adedeji Oluwatayo</a>, <a href="https://publications.waset.org/abstracts/search?q=Tope-Ajayi%20Opeyemi"> Tope-Ajayi Opeyemi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Maize constitutes a major agrarian production for use by the vast population but despite its economic importance, it has not been produced to meet the economic needs of the country. Achieving optimum yield in maize can meaningfully be supported by land suitability analysis in order to guarantee self-sufficiency for future production optimization. This study examines land suitability for maize production through the analysis of the physic-chemical variations in soil properties over space using a Geographic Information System (GIS) framework. Physic-chemical parameters of importance selected include slope, landuse, and physical and chemical properties of the soil. Landsat imagery was used to categorize the landuse, Shuttle Radar Topographic Mapping (SRTM) generated the slope and soil samples were analyzed for its physical and chemical components. Suitability was categorized into highly, moderately and marginally suitable based on Food and Agricultural Organisation (FAO) classification using the Analytical Hierarchy Process (AHP) technique of GIS. This result can be used by small scale farmers for efficient decision making in the allocation of land for maize production. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AHP" title="AHP">AHP</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=MCE" title=" MCE"> MCE</a>, <a href="https://publications.waset.org/abstracts/search?q=suitability" title=" suitability"> suitability</a>, <a href="https://publications.waset.org/abstracts/search?q=Zea%20mays" title=" Zea mays"> Zea mays</a> </p> <a href="https://publications.waset.org/abstracts/22376/land-suitability-analysis-for-maize-production-in-egbeda-local-government-area-of-oyo-state-using-gis-techniques" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22376.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">396</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">30909</span> Utilization of Chrysanthemum Flowers in Textile Dyeing: Chemical and Phenolic Analysis of Dyes and Fabrics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Ahmad">Muhammad Ahmad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, Chrysanthemum (morifolium) flowers are used as a natural dye to reduce synthetic dyes and take a step toward sustainability in the fashion industry. The aqueous extraction method is utilized for natural dye extraction and then applied to silk and cotton fabric samples. The color of the dye extracted from dried chrysanthemum flowers is originally a shade of rich green, but after being washed with detergent, it turns to a shade of yellow. Traditional salt and vinegar are used as a natural mordant to fix the dye color. This study also includes a phenolic and chemical analysis of the natural dye (Chrysanthemum flowers) and the textiles (cotton and silk). Compared to cotton fabric, silk fabric has far superior chemical qualities to use in natural dyeing. The results of this study show that the Chrysanthemum flower offers a variety of colors when treated with detergent, without detergent, and with mordants. Chrysanthemum flowers have long been used in other fields, such as medicine; therefore, it is time to start using them in the fashion industry as a natural dye to lessen the harm that synthetic dyes cause. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=natural%20dyes" title="natural dyes">natural dyes</a>, <a href="https://publications.waset.org/abstracts/search?q=Chrysanthemum%20flower" title=" Chrysanthemum flower"> Chrysanthemum flower</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=textile%20fabrics" title=" textile fabrics"> textile fabrics</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20and%20phenolic%20analysis" title=" chemical and phenolic analysis"> chemical and phenolic analysis</a> </p> <a href="https://publications.waset.org/abstracts/193318/utilization-of-chrysanthemum-flowers-in-textile-dyeing-chemical-and-phenolic-analysis-of-dyes-and-fabrics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/193318.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">20</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">30908</span> Comparison of Chemical Coagulation and Electrocoagulation for Boron Removal from Synthetic Wastewater Using Aluminium</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kartikaningsih%20Danis">Kartikaningsih Danis</a>, <a href="https://publications.waset.org/abstracts/search?q=Yao-Hui%20Huang"> Yao-Hui Huang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Various techniques including conventional and advanced have been employed for the boron treatment from water and wastewater. The electrocoagulation involves an electrolytic reactor for coagulation/flotation with aluminium as anode and cathode. There is aluminium as coagulant to be used for removal which may induce secondary pollution in chemical coagulation. The purpose of this study is to investigate and compare the performance between electrocoagulation and chemical coagulation on boron removal from synthetic wastewater. The effect of different parameters, such as pH reaction, coagulant dosage, and initial boron concentration were examined. The results show that the boron removal using chemical coagulation was lower. At the optimum condition (e.g. pH 8 and 0.8 mol coagulant dosage), boron removal efficiencies for chemical coagulation and electrocoagulation were 61% and 91%, respectively. In addition, the electrocoagulation needs no chemical reagents and makes the boron treatment easy for application. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=boron%20removal" title="boron removal">boron removal</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20coagulation" title=" chemical coagulation"> chemical coagulation</a>, <a href="https://publications.waset.org/abstracts/search?q=aluminum" title=" aluminum"> aluminum</a>, <a href="https://publications.waset.org/abstracts/search?q=electro-coagulation" title=" electro-coagulation "> electro-coagulation </a> </p> <a href="https://publications.waset.org/abstracts/22930/comparison-of-chemical-coagulation-and-electrocoagulation-for-boron-removal-from-synthetic-wastewater-using-aluminium" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22930.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">404</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">30907</span> Effect of Thistle Ecotype in the Physical-Chemical and Sensorial Properties of Serra da Estrela Cheese</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raquel%20P.%20F.%20Guin%C3%A9">Raquel P. F. Guiné</a>, <a href="https://publications.waset.org/abstracts/search?q=Marlene%20I.%20C.%20Tenreiro"> Marlene I. C. Tenreiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20C.%20Correia"> Ana C. Correia</a>, <a href="https://publications.waset.org/abstracts/search?q=Paulo%20Barracosa"> Paulo Barracosa</a>, <a href="https://publications.waset.org/abstracts/search?q=Paula%20M.%20R.%20Correia"> Paula M. R. Correia </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this study was to evaluate the physical and chemical characteristics of Serra da Estrela cheese and compare these results with those of the sensory analysis. For the study were taken six samples of Serra da Estrela cheese produced with 6 different ecotypes of thistle in a dairy situated in Penalva do Castelo. The chemical properties evaluated were moisture content, protein, fat, ash, chloride and pH; the physical properties studied were color and texture; and finally a sensory evaluation was undertaken. The results showed moisture varying in the range 40-48%, protein in the range 15-20%, fat between 41-45%, ash between 3.9-5.0% and chlorides varying from 1.2 to 3.0%. The pH varied from 4.8 to 5.4. The textural properties revealed that the crust hardness is relatively low (maximum 7.3 N), although greater than flesh firmness (maximum 1.7 N), and also that these cheeses are in fact soft paste type, with measurable stickiness and intense adhesiveness. The color analysis showed that the crust is relatively light (L* over 50), and with a predominant yellow coloration (b* around 20 or over) although with a slight greenish tone (a* negative). The results of the sensory analysis did not show great variability for most of the attributes measured, although some differences were found in attributes such as crust thickness, crust uniformity, and creamy flesh. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chemical%20composition" title="chemical composition">chemical composition</a>, <a href="https://publications.waset.org/abstracts/search?q=color" title=" color"> color</a>, <a href="https://publications.waset.org/abstracts/search?q=sensorial%20analysis" title=" sensorial analysis"> sensorial analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=Serra%20da%20Estrela%20cheese" title=" Serra da Estrela cheese"> Serra da Estrela cheese</a>, <a href="https://publications.waset.org/abstracts/search?q=texture" title=" texture"> texture</a> </p> <a href="https://publications.waset.org/abstracts/22235/effect-of-thistle-ecotype-in-the-physical-chemical-and-sensorial-properties-of-serra-da-estrela-cheese" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22235.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">300</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">30906</span> Thermal Pre-Treatment of Sewage Sludge in Fluidized Bed for Enhancing Its Solid Fuel Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sujeeta%20Karki">Sujeeta Karki</a>, <a href="https://publications.waset.org/abstracts/search?q=Jeeban%20Poudel"> Jeeban Poudel</a>, <a href="https://publications.waset.org/abstracts/search?q=Ja%20Hyung%20Choi"> Ja Hyung Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sea%20Cheon%20Oh"> Sea Cheon Oh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A lab-scale fluidized bed was used for the study of sewage sludge, a non-lignocellulosic biomass, torrefaction. The influence of torrefaction temperature ranging from 200–350 °C and residence time of 0–50 minutes on the physical and chemical properties of the torrefied product was investigated. Properties of the torrefied product were analyzed on the basis of degree of torrefaction, ultimate and proximate analysis, gas analysis and chemical exergy. The degree of torrefaction and chemical exergy had a positive influence on increasing the torrefaction temperature. Moreover, the effect of torrefaction temperature and residence time on the elemental variation of sewage sludge exhibited an increase in the weight percentage of carbon while the content of H/C and O/C molar ratios decreased. The product gas emitted during torrefaction was analyzed to study the pathway of hydrocarbons and oxygen-containing compounds. The compounds with oxygen were emitted at higher temperatures in contrast to hydrocarbon gases. An attempt was made to obtain the chemical exergy of sewage sludge. In addition, the study of various correlations for predicting the calorific value of torrefied sewage sludge was made. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chemical%20exergy" title="chemical exergy">chemical exergy</a>, <a href="https://publications.waset.org/abstracts/search?q=degree%20of%20torrefaction" title=" degree of torrefaction"> degree of torrefaction</a>, <a href="https://publications.waset.org/abstracts/search?q=fluidized%20bed" title=" fluidized bed"> fluidized bed</a>, <a href="https://publications.waset.org/abstracts/search?q=higher%20heating%20value%20%28HHV%29" title=" higher heating value (HHV)"> higher heating value (HHV)</a>, <a href="https://publications.waset.org/abstracts/search?q=O%2FC%20and%20H%2FC%20molar%20ratios" title=" O/C and H/C molar ratios"> O/C and H/C molar ratios</a>, <a href="https://publications.waset.org/abstracts/search?q=sewage%20sludge" title=" sewage sludge"> sewage sludge</a> </p> <a href="https://publications.waset.org/abstracts/85400/thermal-pre-treatment-of-sewage-sludge-in-fluidized-bed-for-enhancing-its-solid-fuel-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85400.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">168</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">30905</span> Modeling Aggregation of Insoluble Phase in Reactors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Brener">A. Brener</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Ismailov"> B. Ismailov</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Berdalieva"> G. Berdalieva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the paper we submit the modification of kinetic Smoluchowski equation for binary aggregation applying to systems with chemical reactions of first and second orders in which the main product is insoluble. The goal of this work is to create theoretical foundation and engineering procedures for calculating the chemical apparatuses in the conditions of joint course of chemical reactions and processes of aggregation of insoluble dispersed phases which are formed in working zones of the reactor. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=binary%20aggregation" title="binary aggregation">binary aggregation</a>, <a href="https://publications.waset.org/abstracts/search?q=clusters" title=" clusters"> clusters</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20reactions" title=" chemical reactions"> chemical reactions</a>, <a href="https://publications.waset.org/abstracts/search?q=insoluble%20phases" title=" insoluble phases"> insoluble phases</a> </p> <a href="https://publications.waset.org/abstracts/4173/modeling-aggregation-of-insoluble-phase-in-reactors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4173.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">307</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">30904</span> Evaluation of Groundwater Quality in North-West Region of Punjab, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jeevan%20Jyoti%20Mohindroo">Jeevan Jyoti Mohindroo</a>, <a href="https://publications.waset.org/abstracts/search?q=Umesh%20Kumar%20Garg"> Umesh Kumar Garg</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The district of Tarntaran is located25 km south of Amritsar city in Punjab State of Northwestern India. It is 5059 Sq. Km in area. It is surrounded by Amritsar in the North, Kapurthala in the East, and Ferozepur in the South and Pakistan in the West. Patti Town is a municipal council of the Tarntaran district of the Indian state of Punjab, located 45 km from Amritsar its geographical coordinates are 310 16' 51" north to 740 51' 25" East Longitude. The town spreads over an area of 50sq. Km. Moisture content is very less in the air, falling within the semiarid region and frequently facing water scarcity as well as water quality problems. The major sources of employment are agriculture, horticulture and animal husbandry engaging almost 80% of the workforce. Water samples are collected from 400 locations in 20 villages on the Patti –Khem Karan highway with 20 samples from each village, and were subjected to analysis of chemical characteristics. The type of water that predominates in the study area is Ca-Mg-HCO3 type, based on hydro-chemical analysis. Besides, suitability of water for irrigation is evaluated based on the sodium adsorption ratio (SAR), residual sodium carbonate, sodium percent and salinity hazard. Other Physico-chemical parameters such as pH, TDS, conductance, etc. were also determined using a water analysis kit. Analysis of water samples for heavy metal analysis was also carried out in the present study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=groundwater" title="groundwater">groundwater</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20classification" title=" chemical classification"> chemical classification</a>, <a href="https://publications.waset.org/abstracts/search?q=SAR" title=" SAR"> SAR</a>, <a href="https://publications.waset.org/abstracts/search?q=RSC" title=" RSC"> RSC</a>, <a href="https://publications.waset.org/abstracts/search?q=USSL%20diagram" title=" USSL diagram"> USSL diagram</a> </p> <a href="https://publications.waset.org/abstracts/60280/evaluation-of-groundwater-quality-in-north-west-region-of-punjab-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60280.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">197</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">30903</span> Chemical and Oxygen Isotope Analysis of Roman Glasses from Northern Greece</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Karalis">P. Karalis</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Dotsika"> E. Dotsika</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Godelitsas"> A. Godelitsas</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Tassi"> M. Tassi</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Ignatiadou"> D. Ignatiadou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Glass artefacts originated from Northern Greece, dated between 1st and 6th AC, were analyzed for their oxygen isotopic and chemical compositions in order to identify their raw materials provenance. The chemical composition of these glasses is rather heterogeneous although they are all obtained with natron as flux, having both K₂O and MgO contents lower than 1.5 wt%. The majority of these samples have a homogeneous oxygen isotopic composition (𝛿18O= 16‰,), which is equal to or very close to the mean value of “Roman” glass (from about 15‰ to 16.0‰). The rest of the samples present heavily enriched 𝛿18O values that indicate that their raw materials differ from those normally used in Roman and Medieval glass production, and this matches with the possibility of the different origins of these materials. So, all these fragments are soda-lime-silica natron-glass produced from natron, possibly coming from more than one source. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ancient%20glass" title="ancient glass">ancient glass</a>, <a href="https://publications.waset.org/abstracts/search?q=provenance%20of%20raw%20materials%20of%20ancient%20glass" title=" provenance of raw materials of ancient glass"> provenance of raw materials of ancient glass</a>, <a href="https://publications.waset.org/abstracts/search?q=roman%20glass" title=" roman glass"> roman glass</a>, <a href="https://publications.waset.org/abstracts/search?q=oxygen%20isotope%20analysis%20in%20glass" title=" oxygen isotope analysis in glass"> oxygen isotope analysis in glass</a> </p> <a href="https://publications.waset.org/abstracts/151620/chemical-and-oxygen-isotope-analysis-of-roman-glasses-from-northern-greece" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151620.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">129</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">30902</span> Study on the Controlled Growth of Lanthanum Hydroxide and Manganese Oxide Nano Composite under the Presence of Cationic Surfactant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Neeraj%20Kumar%20Verma">Neeraj Kumar Verma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lanthanum hydroxide and manganese oxide nanocomposite are synthesized by chemical routes. Physical characterization is done by TEM to look at the size and dispersion of the nanoparticles in the composite. Chemical characterization is done by X-ray diffraction technique and FTIR to ascertain the attachment of the functionalities and bond stretching. Further thermal analysis is done by thermogravimetric analysis to find the tendency of the thermal decomposition in the elevated temperature range of 0-1000°C. Proper analysis and correlation of the various results obtained suggested the controlled growth of crystalline without agglomeration and good stability in the various temperature ranges of the composite. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanoparticles" title="nanoparticles">nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD"> XRD</a>, <a href="https://publications.waset.org/abstracts/search?q=TEM" title=" TEM"> TEM</a>, <a href="https://publications.waset.org/abstracts/search?q=lanthanum%20hydroxide" title=" lanthanum hydroxide"> lanthanum hydroxide</a>, <a href="https://publications.waset.org/abstracts/search?q=manganese%20oxide" title=" manganese oxide"> manganese oxide</a> </p> <a href="https://publications.waset.org/abstracts/25803/study-on-the-controlled-growth-of-lanthanum-hydroxide-and-manganese-oxide-nano-composite-under-the-presence-of-cationic-surfactant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25803.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">471</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">30901</span> Analysis the Different Types of Nano Sensors on Based of Structure and It’s Applications on Nano Electronics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hefzollah%20Mohammadiyan">Hefzollah Mohammadiyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Bagher%20Heidari"> Mohammad Bagher Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=Ensiyeh%20Hajeb"> Ensiyeh Hajeb</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper investigates and analyses the structure of nano sensors will be discussed. The structure can be classified based of nano sensors: quantum points, carbon nanotubes and nano tools, which details into each other and in turn are analyzed. Then will be fully examined to the Carbon nanotubes as chemical and mechanical sensors. The following discussion, be examined compares the advantages and disadvantages as different types of sensors and also it has feature and a wide range of applications in various industries. Finally, the structure and application of Chemical sensor transistors and the sensors will be discussed in air pollution control. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbon%20nanotubes" title="carbon nanotubes">carbon nanotubes</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20points" title=" quantum points"> quantum points</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20sensors" title=" chemical sensors"> chemical sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20sensors" title=" mechanical sensors"> mechanical sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20sensor%20transistors" title=" chemical sensor transistors"> chemical sensor transistors</a>, <a href="https://publications.waset.org/abstracts/search?q=single%20walled%20nanotube%20%28SWNT%29" title=" single walled nanotube (SWNT)"> single walled nanotube (SWNT)</a>, <a href="https://publications.waset.org/abstracts/search?q=atomic%20force%20microscope%20%28AFM%29" title=" atomic force microscope (AFM)"> atomic force microscope (AFM)</a> </p> <a href="https://publications.waset.org/abstracts/36405/analysis-the-different-types-of-nano-sensors-on-based-of-structure-and-its-applications-on-nano-electronics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36405.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">450</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">30900</span> Hydro-Chemical Characterization of Glacial Melt Waters Draining from Shaune Garang Glacier, Himachal Himalaya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ramesh%20Kumar">Ramesh Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Rajesh%20Kumar"> Rajesh Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Shaktiman%20Singh"> Shaktiman Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Atar%20Singh"> Atar Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Anshuman%20Bhardwaj"> Anshuman Bhardwaj</a>, <a href="https://publications.waset.org/abstracts/search?q=Ravindra%20Kumar%20Sinha"> Ravindra Kumar Sinha</a>, <a href="https://publications.waset.org/abstracts/search?q=Anupma%20Kumari"> Anupma Kumari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A detailed study of the ion chemistry of the Shaune Garnag glacier meltwater has been carried out to assess the role of active glacier in the chemical denudation rate. The chemical compositions of various ions in meltwater of the Shaune Garang glacier were analyzed during the melting period 2015 and 2016. Total 112 of melt water samples twice in a day were collected during ablation season of 2015 and 2016. To identify various factors controlling the dissolved ionic strength of Shaune Garang Glacier meltwater statistical analysis such as correlation matrix, Principle Component Analysis (PCA) and factor analysis were applied to deduce the result. Cation concentration for Ca²⁺ > Mg²⁺ > Na⁺ > K⁺ in the meltwater for both the years can be arranged in the order as Ca²⁺ > Mg²⁺ > Na⁺ > K⁺. Study showed that Ca²⁺ and HCO₃⁻ found to be dominant on the both melting period. Carbonate weathering identified as the dominant process controlling the dissolved ion chemistry of meltwater due to the high ratios of (Ca²⁺ + Mg²⁺) versus TZ+ and (Ca²⁺ + Mg²⁺) versus (Na⁺ + K⁺) in the study area. The cation denudation rate of the Shaune Garnag catchment is 3412.2 m⁻² a⁻¹, i.e. higher than the other glacierised catchment in the Himalaya, indicating intense chemical erosion in this catchment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shaune%20Garang%20glacier" title="Shaune Garang glacier">Shaune Garang glacier</a>, <a href="https://publications.waset.org/abstracts/search?q=Hydrochemistry" title=" Hydrochemistry"> Hydrochemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20composition" title=" chemical composition"> chemical composition</a>, <a href="https://publications.waset.org/abstracts/search?q=cation%20denudation%20rate" title=" cation denudation rate"> cation denudation rate</a>, <a href="https://publications.waset.org/abstracts/search?q=carbonate%20weathering" title=" carbonate weathering"> carbonate weathering</a> </p> <a href="https://publications.waset.org/abstracts/73612/hydro-chemical-characterization-of-glacial-melt-waters-draining-from-shaune-garang-glacier-himachal-himalaya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73612.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">376</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">30899</span> Chemical Variability in the Essential Oils from the Leaves and Buds of Syzygium Species</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rabia%20Waseem">Rabia Waseem</a>, <a href="https://publications.waset.org/abstracts/search?q=Low%20Kah%20Hin"> Low Kah Hin</a>, <a href="https://publications.waset.org/abstracts/search?q=Najihah%20Mohamed%20Hashim"> Najihah Mohamed Hashim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The variability in the chemical components of the Syzygium species essential oils has been evaluated. The leaves of Syzygium species have been collected from Perak, Malaysia. The essential oils extracted by using the conventional Hydro-distillation extraction procedure and analyzed by using Gas chromatography System attached with Mass Spectrometry (GCMS). Twenty-seven constituents were found in Syzygium species in which the major constituents include: α-Pinene (3.94%), α-Thujene (2.16%), α-Terpineol (2.95%), g-Elemene (2.89%) and D-Limonene (14.59%). The aim of this study was the comparison between the evaluated data and existing literature to fortify the major variability through statistical analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chemotaxonomy" title="chemotaxonomy">chemotaxonomy</a>, <a href="https://publications.waset.org/abstracts/search?q=cluster%20analysis" title=" cluster analysis"> cluster analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=essential%20oil" title=" essential oil"> essential oil</a>, <a href="https://publications.waset.org/abstracts/search?q=medicinal%20plants" title=" medicinal plants"> medicinal plants</a>, <a href="https://publications.waset.org/abstracts/search?q=statistical%20analysis" title=" statistical analysis"> statistical analysis</a> </p> <a href="https://publications.waset.org/abstracts/43504/chemical-variability-in-the-essential-oils-from-the-leaves-and-buds-of-syzygium-species" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43504.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">312</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">30898</span> Zinc Oxide Nanowires: Device Fabrication and Optical Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igori%20Wallace">Igori Wallace</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Zinc oxide (ZnO) nanowires with hexagonal structure were successfully synthesized by the chemical bath deposition technique. The obtained nanowires were characterized by scanning electron microscope (SEM) and energy dispersive X-ray analysis (EDX). The SEM micrographs revealed the morphology of ZnO nanowires with the diameter between 170.3 and 481nm and showed that the normal pH of the bath solution, 8.1 is the optimized value to form ZnO nanowires with the hexagonal shape. The compositional (EDX) analysis revealed the elemental compositions of samples and confirmed the presence of Zn and O. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crystallite" title="crystallite">crystallite</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20bath%20deposition%20technique" title=" chemical bath deposition technique"> chemical bath deposition technique</a>, <a href="https://publications.waset.org/abstracts/search?q=hexagonal" title=" hexagonal"> hexagonal</a>, <a href="https://publications.waset.org/abstracts/search?q=morphology" title=" morphology"> morphology</a>, <a href="https://publications.waset.org/abstracts/search?q=nanowire" title=" nanowire"> nanowire</a> </p> <a href="https://publications.waset.org/abstracts/37553/zinc-oxide-nanowires-device-fabrication-and-optical-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37553.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">309</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">30897</span> Damage in Cementitious Materials Exposed to Sodium Chloride Solution and Thermal Cycling: The Effect of Using Supplementary Cementitious Materials </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fadi%20Althoey">Fadi Althoey</a>, <a href="https://publications.waset.org/abstracts/search?q=Yaghoob%20Farnam"> Yaghoob Farnam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sodium chloride (NaCl) can interact with the tricalcium aluminate (C3A) and its hydrates in concrete matrix. This interaction can result in formation of a harmful chemical phase as the temperature changes. It is thought that this chemical phase is embroiled in the premature concrete deterioration in the cold regions. This work examines the potential formation of the harmful chemical phase in various pastes prepared by using different types of ordinary portland cement (OPC) and supplementary cementitious materials (SCMs). The quantification of the chemical phase was done by using a low temperature differential scanning calorimetry. The results showed that the chemical phase formation can be reduced by using Type V cement (low content of C3A). The use of SCMs showed different behaviors on the formation of the chemical phase. Slag and Class F fly ash can reduce the chemical phase by the dilution of cement whereas silica fume can reduce the amount of the chemical phase by dilution and pozzolanic activates. Interestingly, the use of Class C fly ash has a negative effect on concrete exposed to NaCl through increasing the formation of the chemical phase. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concrete" title="concrete">concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=damage" title=" damage"> damage</a>, <a href="https://publications.waset.org/abstracts/search?q=chemcial%20phase" title=" chemcial phase"> chemcial phase</a>, <a href="https://publications.waset.org/abstracts/search?q=NaCl" title=" NaCl"> NaCl</a>, <a href="https://publications.waset.org/abstracts/search?q=SCMs" title=" SCMs"> SCMs</a> </p> <a href="https://publications.waset.org/abstracts/123461/damage-in-cementitious-materials-exposed-to-sodium-chloride-solution-and-thermal-cycling-the-effect-of-using-supplementary-cementitious-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123461.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">143</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">30896</span> Suitability of Class F Flyash for Construction Industry: An Indian Scenario</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20N.%20Akhtar">M. N. Akhtar</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20N.%20Akhtar"> J. N. Akhtar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study evaluates the properties of class F fly ash as a replacement of natural materials in civil engineering construction industry. The low-lime flash similar to class F is the prime variety generated in India, although it has significantly smaller volumes of high-lime fly ash as compared to class C. The chemical and physical characterization of the sample is carried out with the number of experimental approaches in order to investigate all relevant features present in the samples. For chemical analysis, elementary quantitative results from point analysis and scanning electron microscopy (SEM)/dispersive spectroscopy (EDS) techniques were used to identify the element images of different fractions. The physical properties found very close to the range of common soils. Furthermore, the fly ash-based bricks were prepared by the same sample of class F fly ash and the results of compressive strength similar to that of Standard Clay Brick Grade 1 available in the local market of India. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fly%20ash" title="fly ash">fly ash</a>, <a href="https://publications.waset.org/abstracts/search?q=class%20F" title=" class F"> class F</a>, <a href="https://publications.waset.org/abstracts/search?q=class%20C" title=" class C"> class C</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical" title=" chemical"> chemical</a>, <a href="https://publications.waset.org/abstracts/search?q=physical" title=" physical"> physical</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a>, <a href="https://publications.waset.org/abstracts/search?q=EDS" title=" EDS"> EDS</a> </p> <a href="https://publications.waset.org/abstracts/91003/suitability-of-class-f-flyash-for-construction-industry-an-indian-scenario" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91003.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">181</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">30895</span> Computational Chemical-Composition of Carbohydrates in the Context of Healthcare Informatics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Chandrasekaran">S. Chandrasekaran</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Nandita"> S. Nandita</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Shivathmika"> M. Shivathmika</a>, <a href="https://publications.waset.org/abstracts/search?q=Srikrishnan%20Shivakumar"> Srikrishnan Shivakumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of the research work is to analyze the computational chemical-composition of carbohydrates in the context of healthcare informatics. The computation involves the representation of complex chemical molecular structure of carbohydrate using graph theory and in a deployable Chemical Markup Language (CML). The parallel molecular structure of the chemical molecules with or without other adulterants for the sake of business profit can be analyzed in terms of robustness and derivatization measures. The rural healthcare program should create awareness in malnutrition to reduce ill-effect of decomposition and help the consumers to know the level of such energy storage mixtures in a quantitative way. The earlier works were based on the empirical and wet data which can vary from time to time but cannot be made to reuse the results of mining. The work is carried out on the quantitative computational chemistry on carbohydrates to provide a safe and secure right to food act and its regulations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbohydrates" title="carbohydrates">carbohydrates</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical-composition" title=" chemical-composition"> chemical-composition</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20markup" title=" chemical markup"> chemical markup</a>, <a href="https://publications.waset.org/abstracts/search?q=robustness" title=" robustness"> robustness</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20safety" title=" food safety"> food safety</a> </p> <a href="https://publications.waset.org/abstracts/5573/computational-chemical-composition-of-carbohydrates-in-the-context-of-healthcare-informatics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5573.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">374</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">30894</span> Laboratory Investigation on the Waste Road Construction Material Using Conventional and Chemical Additives</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Paulos%20Meles%20Yihdego">Paulos Meles Yihdego</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To address the environmental impact of the cement industry and road building waste, the use of chemical stabilizers in conjunction with recycled asphalt and cement components was investigated. The silica-based chemical stabilizers and their potential effects on the base layer stabilized by cement are discussed in this paper. Strength, moisture compaction interaction, and microstructural characteristics are all examined. According to the outcome, using this stabilizer has improved the mechanical properties. The inclusion of chemical stabilizers in the combination, which is responsible for the mixture's improved strength, raised the intensity of the C-S-H (Calcium Silicate Hydrate) gel, according to a microstructural study. The design was demonstrated to be durable by the little ettringites found in the later phases. The application of this stabilizer ensures a strong, eco-friendly, durable base layer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ettringites" title="ettringites">ettringites</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure%20analysis" title=" microstructure analysis"> microstructure analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=durability%20properties" title=" durability properties"> durability properties</a>, <a href="https://publications.waset.org/abstracts/search?q=cement%20stabilized%20base" title=" cement stabilized base"> cement stabilized base</a> </p> <a href="https://publications.waset.org/abstracts/176313/laboratory-investigation-on-the-waste-road-construction-material-using-conventional-and-chemical-additives" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176313.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">61</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">30893</span> Farmers’ Awareness and Behavior of Chemical Pesticide Uses in Suan Luang Sub-District Municipality, Ampawa, Samut Songkram, Thailand </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Paiboon%20Jeamponk">Paiboon Jeamponk</a>, <a href="https://publications.waset.org/abstracts/search?q=Tikamporn%20Thipsaeng"> Tikamporn Thipsaeng</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper is aimed to investigate farmers’ level of awareness and behavior of chemical pesticide uses, by using a case study of Suan Luang Sub- District Municipality, Ampawa, Samut Songkram Province. Questionnaire was employed in this study with the farmers from 46 households to explore their level of awareness in chemical pesticide uses, while interview and observation were adopted in exploring their behavior of chemical pesticide uses. The findings reflected the farmers’ high level of awareness in chemical pesticide uses in the hazardous effects of the chemical to human and environmental health, while their behavior of chemical pesticide uses explained their awareness paid to the right way of using pesticides, for instance reading the direction on the label, keeping children and animals away from the area of pesticide mixing, covering body with clothes and wearing hat and mask, no smoking, eating or drinking during pesticide spray or standing in windward direction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=awareness" title="awareness">awareness</a>, <a href="https://publications.waset.org/abstracts/search?q=behavior" title=" behavior"> behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=pesticide" title=" pesticide"> pesticide</a>, <a href="https://publications.waset.org/abstracts/search?q=farmers" title=" farmers"> farmers</a> </p> <a href="https://publications.waset.org/abstracts/8902/farmers-awareness-and-behavior-of-chemical-pesticide-uses-in-suan-luang-sub-district-municipality-ampawa-samut-songkram-thailand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8902.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">429</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">30892</span> Computation of Natural Logarithm Using Abstract Chemical Reaction Networks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iuliia%20Zarubiieva">Iuliia Zarubiieva</a>, <a href="https://publications.waset.org/abstracts/search?q=Joyun%20Tseng"> Joyun Tseng</a>, <a href="https://publications.waset.org/abstracts/search?q=Vishwesh%20Kulkarni"> Vishwesh Kulkarni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recent researches has focused on nucleic acids as a substrate for designing biomolecular circuits for in situ monitoring and control. A common approach is to express them by a set of idealised abstract chemical reaction networks (ACRNs). Here, we present new results on how abstract chemical reactions, viz., catalysis, annihilation and degradation, can be used to implement circuit that accurately computes logarithm function using the method of Arithmetic-Geometric Mean (AGM), which has not been previously used in conjunction with ACRNs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chemical%20reaction%20networks" title="chemical reaction networks">chemical reaction networks</a>, <a href="https://publications.waset.org/abstracts/search?q=ratio%20computation" title=" ratio computation"> ratio computation</a>, <a href="https://publications.waset.org/abstracts/search?q=stability" title=" stability"> stability</a>, <a href="https://publications.waset.org/abstracts/search?q=robustness" title=" robustness"> robustness</a> </p> <a href="https://publications.waset.org/abstracts/93960/computation-of-natural-logarithm-using-abstract-chemical-reaction-networks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93960.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">170</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chemical%20analysis&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chemical%20analysis&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chemical%20analysis&page=4">4</a></li> <li class="page-item"><a class="page-link" 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