... 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 ... management in near future, the samples of top soils, water and plants were collected from the surrounding area of Gold Mine, within watershed covering gold mine...
Ngày tải lên: 25/04/2013, 08:21
... for the Examination of Water and Wastewater (1995). 19th ed., American Public Health Association/ American Water Works Association/ Water Environment Federation, Washington DC, USA. 8. Stevens ... mixed using a floating magnetic stirrer. Dissolved oxygen was maintained at above 4.0 mg/L throughout the experiment. pH of the reactor was maintained at 7.5 + 0.3 with manual addition...
Ngày tải lên: 05/09/2013, 08:40
Tài liệu Báo cáo " Modeling air quality in Hochiminh city and scenarios for reduction air pollution levels " docx
... class="bi x0 y0 w0 h 0" alt =""
Ngày tải lên: 13/02/2014, 12:20
Báo cáo khoa học: "Modeling with Structures in Statistical Machine Translation" pot
... 4th In- ternational Conference on Spoken Language Processing (ICSLP'96), Philadelphia, USA. Wang, Y. and A. Waibel. 1997. Decoding Al- gorithm in Statistical Machine Translation. In ... shal- low phrase structures is introduced in section 3. In section 4, a grammar inference algorithm is presented that can automatically acquire the phrase structures used in th...
Ngày tải lên: 08/03/2014, 06:20
Controls of bioavailability and biodegradability of dissolved organic matter in soils
... the uptake and degradation of organic matter by microorganisms, then DOM should play a key role in the stabilisation and destabilisation of soil organic matter, and thus, in C dynamics and C pools of soils. ... reserved. Keywords: Bioavailability; Biodegradation; Dissolved organic matter; DOC 1. Introduction In the past 10 years, much progress has been made...
Ngày tải lên: 15/03/2014, 23:22
Crop uptake and extractability of cadmium in soils naturally high in metals at different ph levels
Ngày tải lên: 15/03/2014, 23:22
Arsenic fractionation in soils using an improved sequential extraction procedure
... compromising the information needed. How- ever, we recognize that its inclusion may be useful for soils with abundant organically-bound Al and/or imogolite and allophanic minerals such as in volcanic Andisols ... commonly used SEPs in fractionat- ing As and Se using standard minerals and mixtures thereof [17]. They showed that during reductive and oxidative dissolution of As from a ce...
Ngày tải lên: 15/03/2014, 23:48
Effects of compost and phosphate amendments on arsenic mobility in soils and arsenic uptake by the hyper
... nationally by 2006. Arsenic- contaminated soil is one of the major sources of arsenic in drinking water (Hingston et al., 2001). Therefore, to protect animal and human health, remediation of the ... Chinese brake fern growing in arsenic con- taminated soils; (2) to determine the effects of composts and phosphate rock on arsenic leachability in arsenic co...
Ngày tải lên: 16/03/2014, 00:07
Heavy metal contamination in soils of urban highways (comparision between runoff and soil concentration
... 30 HEAVY METAL CONTAMINATION IN SOILS OF URBAN HIGHWAYS 309 Figure 4. Cluster analysis. Figure 5. XRD pattern of XS1 taken from 1–5 cm depth. HEAVY METAL CONTAMINATION IN SOILS OF URBAN HIGHWAYS ... showing location of Cincinnati and the positions of sampling stations (After Sansalone et al., 1998). HEAVY METAL CONTAMINATION IN SOILS OF...
Ngày tải lên: 16/03/2014, 00:25
Báo cáo khoa học: Kinetic modeling can describe in vivo glycolysis in Entamoeba histolytica doc
... Entamoeba glycolysis E. Saavedra et al. 4926 FEBS Journal 274 (2007) 49224940 ê 2007 The Authors Journal compilation ê 2007 FEBS Kinetic modeling can describe in vivo glycolysis in Entamoeba histolytica Emma ... however, that including reversibility in reactions with high K eq requires the fitting and some times the guessing of kinetic parameters that cannot be eas...
Ngày tải lên: 16/03/2014, 05:20
STOCHASTIC DYNAMICS Modeling Solute Transport in Porous Media pptx
... is intended to be the reduction of a complex phenomenon to simple STOCHASTIC DYNAMICS Modeling Solute Transport in Porous Media 24 Stochastic Dynamics- Modeling Solute Transport in Porous ... 16 Stochastic Dynamics - Modeling Solute Transport in Porous Media 1.5 Measurements of Dispersivity Rashidi et al. (1996) experimentally investigated th...
Ngày tải lên: 22/03/2014, 15:20
Báo cáo khoa học: "Modeling Topic Dependencies in Hierarchical Text Categorization" pot
... consti- tutes our MCC baseline. Regarding the reranker, we divided the training set in two chunks of data: Train1 and Train2. The binary classifiers are trained on Train1 and tested on Train2 (and vice versa) ... according to the number of hypotheses (child-free setting). using the complete hierarchy as representation, i.e., up to five times in training and eight time in test- ing. This i...
Ngày tải lên: 23/03/2014, 14:20
Modeling CO2 Injection in Fractured Reservoirs Using Single Matrix Block Systems ppt
... pressure for Single matrix block system 110 Figure 6.15 – Effect of matrix block height on oil recovery vs. time for single matrix block using equilibrium (dash line) and CO 2 (solid line) injection ... on oil recovery vs. time for single matrix block system using equilibrium gas (dash line) and CO 2 (solid line) injection 109 Figure 6.14 – Comparison of CO...
Ngày tải lên: 23/03/2014, 15:20
chemical equilibria and kinetics in soils
... thermodynamic significance and may he calculated with the help of Standard-State chemical potentials in the manner 90 CHEMICAL EQUILIBRIA AND KINETICS IN SOILS 5. At pH < 4, the ... 1.1 Chemical Reactions in Soils Soils are multicomponent, multiphase, open systems that sustain a myriad of interconnected chemical reactions, including those involving...
Ngày tải lên: 01/04/2014, 10:28