classes toxicants in air water soil domestic and occupational settings
Chemical Pollutants in Air, Water, Soil, and Solid Wastes Phần pps
Ngày tải lên :
08/08/2014, 00:22
... Handbook of Environmental Analysis Chemical Pollutants in Air, Water, Soil, and Solid Wastes Pradyot Patnaik, Ph.D LEWIS PUBLISHERS Boca...
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An Analysis of Domestic Water Demand Structure and Water Recycling in Beijing
Ngày tải lên :
05/09/2013, 10:17
... flushing, and 14% for the washing machine Water use in washing and showering increased from 12 to 17% and from 16 to 25%from summer to winter, respectively Per capita water use in each water ... metropolises Water use for cooking in Beijing (31%) is 1.3 times that of Tokyo (23%) It is assumed that water use for cooking in Beijing includes food washing, cooking, dish washing, and boiling water ... of water use were provided by the household Target water uses were food washing, cooking, dish washing, boiling water, face washing, tooth-brushing, using washing machine, showering, foot washing,...
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Báo cáo khoa học: "Comparative studies of the water relations and the hydraulic characteristics in Fraxinus excelsior, Acer pseudoplatanus and A. opalus trees under soil water contrasted conditions Damien Lemoinea, Jean-Paul Peltierb and Gérard" pdf
Ngày tải lên :
08/08/2014, 14:21
... the water status in Acer pseudoplatanus and Fraxinus excelsior trees growing in well-watered floodplains (site 1) The experiments were carried out in June 1999 and 2000, for expanded leaves in ... during the morning and the beginning of the afternoon, allowing a high transpiration rate (4.8 and 3.9 mmol m–2 s–1 for maple and ash trees, respectively, in June, figure 1a) In ash trees, the water ... excelsior, A pseudoplatanus and A opalus trees 3.2 Regulation of water status in Fraxinus excelsior and Acer opalus trees growing in lowwatered floodplains (site 2) During these experiments, most...
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arsenic contamination in soils, water and plants
Ngày tải lên :
25/04/2013, 08:21
... SAMPLING COLLECTION AND TESTING Plants, soils and water samples at six locations had been taken in order to quantify the leveling of arsenic contaminant Five sampling locations are within the interesting ... contaminated in other medias not only in the water To acquire the solution, this study was performed to investigate the contaminant of arsenics in soils and plants compared to those in water ... contamination in soil Soil samples from locations, called in corresponding points as bore holes (BH) number, were classified using the Unified Soil Classification System Soil profiles and their...
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Improvement of Water Quality by Removal of Suspended Solids and High-speed Biological Filtration in Closed Water Body
Ngày tải lên :
05/09/2013, 08:40
... metal-contaminated soils and groundwater: an evaluation, Engineering Geology, 60(1-4), 193-207 [5] Robert H Kadlec and Robert L Knight Treatment Wetlands CRC Lewis Publishers 1996 [6] APHA, AWWA and ... was carried out in the field, some disturbances such as typhoon, heavy rain and windy day were met These disturbances had influence on temperature, SS, turbidity and the inflow of water, but they ... of water in Tokiwako Lake is usually about 7∼8 mg/L, it was about mg/L in this experiment - 236 - Journal of Water and Environment Technology, Vol.1, No.2, 2003 typhoon heavy rain strong wind...
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Undaria pinnatifida Habitat Loss in Relation to Sea Urchin Grazing and Water Flow Conditions, and Their Restoration Effort in Ogatsu Bay, Japan
Ngày tải lên :
05/09/2013, 09:38
... species in 2003 and 15 species in 2004 were observed in Line (Table 1) U pinnatifida and crustose coralline algae were the dominant species A total of sea urchin species were observed in Line between ... macroalgae and seagrass, and the population of infauna were quantified in the 50 m × m belt transects in the outer (Line 1) and inner (Line 2) bay areas by scuba divers in September 2003 and 2004 ... under high water flow conditions preventing the migration and/ or grazing by sea urchin even with their high abundance in the outer bay In contrast, in the inner areas (Line 2) where U pinnatifida...
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Long-term trends in water quality in an under-populated watershed and influence of precipitation
Ngày tải lên :
05/09/2013, 10:15
... of Water and Environment Technology, Vol 7, No 4, 2009 Fig - Location of Hii River watershed and sampling points Table - Changes in several point sources and domestic wastewater treatments in watersheds ... the remaining concentrations did not have any increasing or decreasing trends DISCUSSION In previous studies analyzing long-term trends regarding water quality and/ or pollutant load in rivers, ... other hand, domestic wastewater treatment clearly increased For example, the percentage of domestic wastewater treatment (sewerage, small sewerage in rural areas, and domestic septic tanks) in the...
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Occurrence of Tetracycline-Resistant and Tetracycline- Degrading Bacteria in Wastewater Treatment Plant Effluent and Environmental Water Systems
Ngày tải lên :
05/09/2013, 10:15
... controlling water pollution and sustaining water systems In this study, we added tetracycline to water samples, incubated the samples in the laboratory, and determined the degradation rates and bacterial ... and rain water The bacterial density in the water samples before and after incubation within d is shown in Fig The density increased in all wastewater treatment effluent samples, Lake Tedori water ... 5, and 10 mg/L), all deionized water samples, and Unoke River water samples (5 and 10 mg/L), after d of incubation However, the density decreased in all rain water samples and the Unoke River water...
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