搜索结果: 1-15 共查到“知识库 理学 Arsenic”相关记录23条 . 查询时间(0.093 秒)
Assessing aquifer vulnerability to arsenic pollution using DRASTIC and GIS of North Bengal Plain:A case study of English Bazar Block, Malda District,West Bengal,India
DRASTIC vulnerability arsenic groundwater Malda West Bengal
2015/8/13
Geographic Information System (GIS) was utilized to apply a modified DRASTIC method to assess the aquifer vulnerability to pollution of English Bazar Block of Malda District, West Bengal, India. In th...
Spatial Variability and Prediction Modeling of Groundwater Arsenic Distributions in the Shallowest Alluvial Aquifers in Bangladesh
Arsenic Bangladesh distribution spatial variability semivariogram prediction models
2015/8/13
Elevated arsenic in groundwater is the greatest environmental problem in Bangladesh. Spatial variability of arsenic in groundwater has been examined by semivariogram analysis that revealed high degree...
Characterization of extractable metals from the aquifers with arsenic contamination in the Tsengwen Creek, Taiwan
BCR sequential extraction procedure groundwater hydrochemistry sediment geochemistry
2015/3/10
Arsenic contamination in groundwater is a common groundwater problem worldwide. To manage groundwater resources effectively, it is crucial to determine the arsenic source. Taiwan’s Tsengwen Creek wate...
Assessing aquifer vulnerability to arsenic pollution using DRASTIC and GIS of North Bengal Plain: A case study of English Bazar Block, Malda District, West Bengal, India
DRASTIC vulnerability arsenic groundwater
2015/1/7
Geographic Information System (GIS) was utilized to apply a modified DRASTIC method to assess the aquifer vulnerability to pollution of English Bazar Block of Malda District, West Bengal, India. In th...
Spatial Variability and Prediction Modeling of Groundwater Arsenic Distributions in the Shallowest Alluvial Aquifers in Bangladesh
Arsenic Bangladesh distribution
2015/1/7
Elevated arsenic in groundwater is the greatest environmental problem in Bangladesh. Spatial variability of arsenic in groundwater has been examined by semivariogram analysis that revealed high degree...
Determination of Arsenic in Water by Potentially Portable Methodology
Arsenic Field Analysis Portable Instrument Water
2014/11/20
Arsenic contamination in groundwater is a worldwide problem. The existing portable field test kits can not provide accurate results when the arsenic concentration is around 10 μg L-1 or lower. This re...
Arsenic and phosphorus biogeochemistry in the ocean: Arsenic species as proxies for P-limitation
Arsenic and phosphorus biogeochemistry the ocean: Arsenic species proxies for P-limitation
2014/4/2
Arsenic and phosphorus are biochemically very similar, and hence arsenate (As5+) is toxic by interfering with the energy metabolism, in particular during P limitation. However, many phytoplankton deto...
Sequential chemical extraction of arsenic and related elements from the Holocene sediments of Sonargaon, Bangladesh, in relation to formation of arsenic-contaminated groundwater
BCR method ferrihydrite goethite chlorite chemical weathering
2017/4/11
The mineralogy and chemistry of aquifer sediments of As-contaminated groundwater in Sonargaon, Bangladesh were
analyzed to identify the host phases of As and to understand release mechanism of As int...
Effect of Vitamin E Supplementation on Hematological and Plasma Biochemical Parameters during Long Term Exposure of Arsenic in Goats
Arsenic Biochemical Parameter Goat Hemoglobin Vitamin E
2016/5/10
The present investigation was designed to determine whether supplementation of different level of vitamin E for 12 months to arsenic exposed goats (50 ppm as sodium arsenite) affords protection agains...
Arsenic Removal from Wastewater Using Adsorptive Mediums
Adsorptive Capacity Adsorptive Medium BV HFO-PDR Recyclability
2011/11/22
Different adsorptive mediums and adsorbents’ compounds were chosen to remove arsenic from Yangzonghai Lake wastewater. Results showed that Ca(OH)2, attapulgite, bentonite, LDHs these adsorptive medium...
Importance of Fermi surface topology for high temperature superconductivity in electron-doped iron arsenic superconductors
Fermi surface topology high temperature superconductivity
2010/11/18
We used angle resolved photoemission spectroscopy and thermoelectric power to study the poorly
explored, highly overdoped side of the phase diagram of Ba(Fe1xCox)2As2 high temperature su-
...
Geologic structure and geochemical characteristics of sediments of fluoride and arsenic contaminated groundwater aquifer in Kalalanwala and its vicinity, Punjab, Pakistan
anthropogenic contamination groundwater aquifer aeolian sediment buried valley chlorite
2017/8/9
To constrain the origin of fluoride and arsenic contamination of groundwater in Kalalanwala, Punjab, Pakistan, the geochemical and mineralogical characteristics of the aquifer were studied. Subsurface...
Speciation and Analysis of Arsenic(III) and Arsenic(V) by Electrochemical Hydride Generation Spectrophotometric Method
Speciation and Analysis Arsenic(III) Arsenic(V) Electrochemical Hydride Generation Spectrophotometric Method
2010/9/17
A simple method was developed for speciation and spectrophotometric determination of inorganic As(III) and As(V) using an electrochemical hydride generation technique. For speciation of As(III) and As...
GROUNDWATER CONTAMINATED WITH ARSENIC AND FLUORIDE IN THE ARGENTINE PAMPEAN PLAIN
GROUNDWATER CONTAMINATED ARGENTINE PAMPEAN PLAIN loessic sediments
2009/10/13
The phreatic aquifer of the Los Jagüeles basin is made up principally of Quaternary loessic sediments. It has sodium bicarbonate (high and middle basin) and sodium sulfate (lower basin) water, with fl...
A PRELIMINARY STUDY OF SOURCES OF ARSENIC CONTAMINATION IN SOUTHWEST CAMEROON
arsenic Ekondo Titi study area groundwater arsenic poisoning
2009/10/12
An important objective of this study is to understand the geological, hydrogeological and geochemical factors that contribute to the mobilization of arsenic in groundwater in the Ekondo Titi study are...