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

Ngày tải lên: 05/09/2013, 16:11

... 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...

Ngày tải lên: 22/03/2014, 14:20

... 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-...

Ngày tải lên: 16/03/2014, 15:10

... 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...

Ngày tải lên: 14/02/2014, 03:20

... during backwashing. Commercially available activated carbons usually have a small percentage of material smaller than the smallest sieve and larger than the largest sieve, which significantly affects ... testing activated carbon are given in ASTM Stan- dards (American Society for Testing Materials, 1988) available from ASTM, 1916 Race St., Philadelphia, PA 19103, as well as in AWWA Stan...

Ngày tải lên: 14/02/2014, 03:20

... 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...

Ngày tải lên: 14/02/2014, 08:20

... 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 wit...

Ngày tải lên: 05/03/2014, 20:20

... 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...

Ngày tải lên: 05/03/2014, 20:20

... China). Acetonitrile and acetone of chromatographic grade were purchased from Merck (Darmstadt, Germany). The essential oil of Curcuma wenyujin was purchased from Zhejiang Ruian Pharmaceutical ... Technologies). 2.2 Reagents and materials All organic solvents used for HPCPC were of analytical or chromatographic grade. Petroleum ether (b.p. 60–901C) of analytical grade was purcha...

Ngày tải lên: 07/03/2014, 21:20

... 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 µm 2 ) 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...

Ngày tải lên: 14/03/2014, 19:20