搜索结果: 16-30 共查到“理学 arsenic”相关记录30条 . 查询时间(0.125 秒)
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...
Synthesis, Spectral Characterization, and Antimicrobial Activity of Arsenic(III) and Bismuth(III) tri[3(2´-hydroxyphenyl)-5-(4-subsituted phenyl)pyrazolinates]
Arsenic Bismuth Pyrazolinates Antimicrobial activity
2010/4/9
Arsenic(III) tripyrazolinates and bismuth(III) tripyrazolinates of the type M(C15H12N2OX)3 [where C15H12N2OX = 3(2'-hydroxyphenyl)-5-(4-substituted phenyl)pyrazoline] have been synthesized by the reac...
THE RETENTION BEHAVIOR OF ARSENIC COMPOUNDS ON PRP-X100 COLUMN UNDER ALKALINE CONDITION
高效液相色谱法 火焰原子吸收光谱 砷化合物形态
2007/12/13
系统地研究了碱性条件下（ｐＨ８～１０．８）Ａｓ３＋，Ａｓ５＋，ＭＡ，ＤＭＡ和ＡＢ等砷化合物在ＰＲＰ－Ｘ１００阴离子交换柱上的保留行为。用火焰原子吸收光谱（ＦＡＡＳ）测定从ＨＰＬＣ分离的砷化合物，即通过一根１ｍ×０．２３ｍｍｉ．ｄ．不锈钢毛细管，将ＨＰＬＣ柱出口与ＦＡＡＳ的雾化器连接起来，采用乙炔／空气火焰，在１９３．７ｎｍ处测定。具体研究了两个流动相（２０ｍｍｏｌ／ＬＮＨ４ＨＣＯ３和２．５ｍｍｏｌ...
Flooding and arsenic contamination: Influences on ecosystem structure and function in an Appalachian headwater stream
Flooding arsenic contamination ecosystem structure
2014/4/22
We investigated the influence of flooding and chronic arsenic contamination on ecosystem structure and
function in a headwater stream adjacent to an abandoned arsenic (As) mine using an upstream (ref...
Rustlike Crystals Found to Cleanse Water of Arsenic Cheaply
Arsenic crystals nanotechnology magnetite
2006/11/16
November 10, 2006，A common mineral similar to rust fashioned into a powder of tiny crystals could provide a simple, inexpensive method for removing hazardous levels of arsenic from drinking water, res...
Effects of Arsenic (AsIII) on Lipid Peroxidation, Glutathione Content and Antioxidant Enzymes in Growing Pigs
Growing Pigs Arsenic Growth Performance Lipid Peroxidation Glutathione Antioxidant Enzymes
2016/4/21
This experiment was conducted to investigate the effect of arsenic (AsIII) on lipid peroxidation, glutathione content and antioxidant enzymes in growing pigs. Ninety-six Duroc-Landrace-Yorkshire cross...
Arsenic Toxicity on Duck Spermatozoa and the Ameliorating Effect of L-Ascorbic Acid
Drake Sperm Quality Antioxidant Ascorbic Acid Fertilization Rate LD50
2016/4/8
The objectives of this study were to understand the possible mechanism of duck sperm toxicity induced by arsenic exposure in vivo, and to investigate the roles of the antioxidant L-ascorbic acid in am...
Oxidation state of gold and arsenic in gold-bearing arsenian pyrite
Oxidation state gold gold-bearing arsenian pyrite
2012/3/31
XANES measurements on gold-bearing arsenian pyrite from the Twin Creeks Carlin-type gold
and Au and arsenic is present at As . Au is attributed
deposits show that gold is present as both Au
to su...
Quantitative arsenic speciation in mine tailings using X-ray absorption spectroscopy
Quantitative arsenic speciation X-ray spectroscopy
2012/3/31
X-ray absorption fine structure spectroscopy (XAFS) was used to determine arsenic (As) oxidation state, local coordination (to a radius of ┆7Aⅹaround As), and the relative proportion of different As s...
ETUDE STRUCTURALE DE QUELQUES SULFURES DE PLOMB ET D'ARSENIC NATURELS DU GISEMENT DE BINN
ETUDE STRUCTURALE DE QUELQUES SULFURES DE PLOMB ET D'ARSENIC NATURELS DU GISEMENT DE BINN
2014/4/8
Baumhauerite, Pb5As,S'8, is triclinic, with a=22.78, b=8.33, c=7.90 A, a='Y=90°, {3=97° 24; space group is PI.Material called rathite consists of three species: Rathite I, Pb7As,S2o, monoclin!c, a=8.4...