chemical equilibria and kinetics in soils
chemical equilibria and kinetics in soils
... rale coenkicnl.~ for di.lsolutioll reacliolls. CHEMICAL EQUILIBRIA AND KINETICS IN SOILS 20 CHEMICAL EQUILmRIA AND KINETICS IN SOILS Mn2+(H 2 0Maq) + Cr(aq) ~ Mn2+(H20)6Cr(aq) ... 10 CHEMICAL EQUlLmRIA AND KINETICS IN SOILS (1.17) where Zi is the valence of the metal or ligand whose total molality is m Ti and the sum is over all metals (incl...
Ngày tải lên: 01/04/2014, 10:28
Tài liệu ADSORPTION ANALYSIS: EQUILIBRIA AND KINETICS doc
... certain pressure beyond which the slope increases quickly with pressure and becomes infinite when the vapor pressure is reached. This means that there exists an inflexion point, and this point ... setting the second derivative to zero. In so doing, we obtain the relative pressure at which the isotherm has an inflexion point (White, 1947): and the amount adsorbed at this inflexion poin...
Ngày tải lên: 19/02/2014, 17:20
Chemical speciation and extractability of zn, cu and cd in two contrasting biosolids amended clay soils
... land reclamation, landfill, forestry and application to ‘dedicated’ land (Matthews, 1992). Dumping at sea has been prohibited in many countries including China. Land filling and incineration are un- popular ... effects in the long term using single ex- traction techniques. Soil components and properties vary greatly in different soils, and these can have a very important in uence...
Ngày tải lên: 15/03/2014, 23:22
phase equilibria and fluid properties in the chemical industry estimation and correlation
... (i ) In Phase Equilibria and Fluid Properties in the Chemical Industry; Storvick, T., et al.; ACS Symposium Series; American Chemical Society: Washington, DC, 1977. 4 PHASE EQUILIBRIA AND ... C) and H t O(Q). In Phase Equilibria and Fluid Properties in the Chemical Industry; Storvick, T., et al.; ACS Symposium Series; American Chemical Society: Washington...
Ngày tải lên: 02/04/2014, 16:19
arsenic contamination in soils, water and plants
... 0.3 mg/kg in plants and 0.001-0.01 mg/l in surface water. Contamination in soils and plants were found higher much larger than those in surface water flown from the tailing of gold mining disposal ... 1 Arsenic contamination in soils, water and plants surrounding gold mine in Thailand Thares Srisatit 1 , Wanpen Wirojanagud 2 , Thanes Weerasiri 3 1 Faculty of Env...
Ngày tải lên: 25/04/2013, 08:21
Tài liệu Multiple Equilibria and Minimum Wages in Labor Markets with Informational Frictions and Heterogeneous Production Technologies pot
... disseminated by IZA may include views on policy, but the institute itself takes no institutional policy positions. The Institute for the Study of Labor (IZA) in Bonn is a local and virtual international ... University of Bonn and offers a stimulating research environment through its research networks, research support, and visitors and doctoral programs. IZA engages in (i) o...
Ngày tải lên: 22/02/2014, 09:20
Báo cáo khoa học: Kinetics of enzyme acylation and deacylation in the penicillin acylase-catalyzed synthesis of b-lactam antibiotics pptx
... the kinetic properties of the enzyme and mutants [4,9–13], investiga- tions into the individual rate and binding constants underlying the kinetic properties and biocatalytic perform- ance in the ... for hydrolysis and synthesis of penicillin G, ampicillin and cephalexin. Furthermore, insight into the nature of the transition state in the rate-determining steps of the reaction wa...
Ngày tải lên: 08/03/2014, 08:20
Water-Quality Data from Semipermeable-Membrane Devices and Polar Organic Chemical Integrative Samplers Deployed in the McKenzie River Basin, Oregon pptx
... basin and a discussion of sampling sites in the basin have been previously reported in McCarthy and others (2009) and Kelly and others (2012). Sample Collection, Laboratory Methods, and ... natural and living resources, natural hazards, and the environment, visit http://www.usgs.gov or call 1–888–ASK–USGS. For an overview of USGS information products, including maps, ima...
Ngày tải lên: 14/03/2014, 20:20
Chemical of alumina reactions in aqueous solution and its application in water treatment
... Drzymaly 24, 60-613 Poznan, Poland ´ { Abstract Due to the presence and significance of alumina in the natural aquatic environment and its increasing application in drinking and wastewater purification, ... of great interest both from an environmental (geochemical) and an industrial point of view. Most solid phases in natural water contain aluminium oxides. Alumina plays an impo...
Ngày tải lên: 15/03/2014, 23:22
Competitive sorption of cadmium and lead in acid soils of central spain
... between Pb and Cd metals using batch sorption isotherms and kinetics sorption studies for single and binary metal solutions in four soils. Sorption isot herms for Pb and Cd in single and binary solutions ... (generating sorption isotherms) and kinetics sorption studies were performed using single and binary metal solutions in surface samples of four soils from centr...
Ngày tải lên: 15/03/2014, 23:22