Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model
Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model
. P, Dalagar A, and Broholm K (1997). Attenuation of methane and nonmethane organic compounds in landfill gas affected soils. Air and Waste management Association.. information (data) about the parameters of the landfill. • The total annual mass emission of nonmethane organic compound was calculated from the model...
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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... to the quantitative calculation of physicochemical properties (e.g., a graduate class taught by the late Dr. Robert Taft at the University of California). Also, the SPARC calculator has been ... for aiding industry (such as Pfizer, Merck, Pharmacia & Upjohn, etc.) in the areas of chemical manufacturing and pharmaceutical and pesticide design. The speed of calculation allows SPARC ... for physical and chemical fate process models when measured data are not available, 2. guidelines for ranking a large number of chemical parameters and processes in terms of relevance to the...
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Fabrication of a porous polyimide membrane using a silicon nanowire array as a template
... membranes have many applications in biotech-nology and electronics for the separation and/or filtration of gases,biomolecules, and environmentally hazardous materials, and as in-sulating materials ... demonstrate that a porous polyimide membrane can be fabricated by curing liquid polyimide on a vertically oriented silicon nanowire array and selectively etching away the nanowire-array-template using xenon ... into a CVD reactor containing a silicon substrate at 850 °C using H2(10%) inAr as a carrier gas. Silicon nanowires grew vertically from substrates.Polyimide solution (PI-2556) was purchased from...
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Tài liệu Glossary of Volatile Organic Compounds ppt
... Styrene can be found in air, soil, and water after release from the manufacture, use, and disposal of styrene-based products. It evaporates from shallow soils and surface water. Styrene that remains ... levels of benzene in the air can cause a particular type of leukemia called acute myelocytic leukemia. Measuring exposure In a large U.S. study, 95% of the participants had a benzene concentration ... of exposure Levels of carbon tetrachloride are found in air, water, and soil because of past and present releases. Most carbon tetrachloride that escapes to the environment is found as a gas...
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Tài liệu ADSORPTION OF ORGANIC COMPOUNDS doc
... during backwashing.Commercially available activated carbons usually have a small percentage of materialsmaller than the smallest sieve and larger than the largest sieve, which significantlyaffects ... testing activated carbon are given in ASTM Stan-dards (American Society for Testing Materials, 1988) available from ASTM, 1916 Race St., Philadelphia, PA19103, as well as in AWWA Standards B604-96 ... relativeamounts of different-size particles that are part of a given sample, or lot ,of carbon,andhas an important impact on the filtration properties of GAC in GAC columns that areused both as...
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Tài liệu NOMENCLATURE OF ORGANIC COMPOUNDS docx
... methanoic acid ethanoic acid (formic acid) (acetic acid) d) Esters An ester is formed from the combination of a carboxylic acid and an alcohol. They are often highly aromatic compounds ... Not all the alkanes are straight chained compounds, as shown in the previous table, they can have side chains or branches. These variations of compounds which have the same number of carbon and ... order of: number of carbon atom-alkyl group attached(number of carbon atom-alkyl group attached- etc ) name of parent compound. If there are several different alkyl groups attached to the parent...
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ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS AND THE GENERATIVE LEXICON THEORY doc
... and classes. Master’s thesis, Universitat Stuttgart. [3] A. J. Agrawal and O. G. Kakde. (2011) Object-Relational Database Based Category Data Model for Natural Language Interface to Database. ... generate a semantic representation. Note that this parser is composed of several other parsers. The parser of AlkadyeneMainChain that can analyse the name of the example is called withoutMultAlkadyenes ... yne, adyene, ol or al, the application will produce a main chain corresponding to an alkane, an alkene, an alkyne, an alkadyene, an alcool or an aldehyde, respectively. That is why the argument...
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Chemical Composition of Vehicle-Related Volatile Organic Compound Emissions in Central California pdf
... constituents relative to liquid gasoline. Isopentane alone accounts for about a third of headspace vapor mass. n-Butane and n-Pentane are also abundant in headspace vapors, as are oxygenates such as MTBE ... Berkeley and Sacramento, California. One liter each of regular and premium grade gasoline was dispensed into separate steel cans for each of 5 major brands in each area. These samples provide a snap-shot ... The authors thank David Kohler and coworkers at ChevronTexaco for analysis of liquid gasoline samples, and James Hesson of the Bay Area Air Quality Management District for analysis of speciated...
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Preparative isolation and purification of six volatile compounds from essential oil of Curcuma wenyujin using high-performance centrifugal partition chromatography doc
... China). Acetonitrile and acetone of chromatographicgrade were purchased from Merck (Darmstadt, Germany).The essential oil of Curcuma wenyujin was purchased from Zhejiang Ruian Pharmaceutical ... Technologies).2.2 Reagents and materialsAll organic solvents used for HPCPC were of analytical orchromatographic grade. Petroleum ether (b.p. 60–901C) of analytical grade was purchased from Uni-Chem (Guang-zhou, ... Research ArticlePreparative isolation and purification of sixvolatile compounds from essential oil of Curcuma wenyujin using high-performancecentrifugal partition chromatographySix volatile compounds, ...
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Liquid-Delivery Metal-Organic Chemical Vapour Deposition of Perovskites and Perovskite-Like Compounds pdf
... increase of the smooth area of the 3D islands and finally saturates when the atomically flat surface appear at 50 ML thickness (Fig. 1.11). Fig. 1.11 AFM images (scan area 2×2 µm2) of ultrathin ... growth of a crystalline material on a single crystal surface. Epitaxial growth is classified in: a) homoepitaxy - when film and substrate 1. Fundamentals 13 consist of the same material, and ... polarization (magnetization) is the state reached when an increase in applied external electric (magnetic) field can not increase the polarization (magnetization) of the material further, and...
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