نتایج جستجو برای: chemical evaluation
تعداد نتایج: 1184716 فیلتر نتایج به سال:
ABSTRACT: The object of this study is to extract the oil from millets and evaluate the chemical properties of the extracted oil. Commercial millet oil was obtained by cold solvent extraction adopting soxhlet procedure. Quantitative and qualitative tests concerned with the non-saponifiable matter, fatty acid composition, phosphorus content representing total phospholipids, refractive index, pero...
Background and objectives: The majority of the Achillea spp. are used as medicinal plants with therapeutic applications worldwide. Achillea aucheri was selected in our study to assess its essential oil chemical composition along with antimicrobial evaluation. Methods: The essential oil of A. aucheri achieved ...
Toxic responses to test chemicals are known to be dependent on the exposure route, the kinetic behavior of the chemical, and the dose used in the toxicology study. Therefore, knowledge of internal dose is indispensable for the interpretation of toxicology study results, for the facilitation of interspecies scaling, and for risk assessment. By monitoring the blood and/or tissue concentrations of...
Comparison of Quality Evaluation of Agricultural Distillates Using Prototype of Electronic Nose and Fast/Flash GC Tomasz Dymerski*, Jacek Gębicki, Jacek Namieśnik Department of Analytical Chemistry, Chemical Faculty, Gdansk University of Technology, 11/12 G. Narutowicza Str., 80-233 Gdańsk, Poland. Department of Chemical and Process Engineering, Chemical Faculty, Gdansk University of Technology...
water quality in each area, indicates the impact of geology, climate and anthropogenic pollutants. monitoring of water quality in most cases result in complex data which shows the perfect act of water resources, so they need appropriate method for analyzing. in this study hydro-chemical evaluation of hiv basin which located in west of hashtgerd have been done. to measure the concentration of ma...
Recently, there have been frequent accidents in energy chemical industry, hence the emergency management become normalized. Risk assessment provides basis for policy makers to make decision in the cases of the uncertain information and emergency. The chemical supply chain are influenced by many risk factors. In order to make the assessment of chemical supply chain risk by combining the qualitat...
Random coil chemical shifts are commonly used to detect protein secondary structural elements in chemical shift index (CSI) calculations. Though this technique is widely used and seems reliable for folded proteins, the choice of reference random coil chemical shift values can significantly alter the outcome of secondary structure estimation. In order to evaluate these effects, we present a comp...
Chemical toxicology and carcinogenesis are dynamic disciplines, and the methodologies associated with these evaluations are under constant development and change. Accordingly, early in 1983, at the request of the National Toxicology Program (NTP), the NTP Board of Scientific Counselors established an Ad Hoc Panel on Chemical Carcinogenesis Testing and Evaluation with Dr. John Doull (University ...
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