搜索结果: 1-15 共查到“工学 contaminants”相关记录17条 . 查询时间(0.046 秒)
Researches of liquid contaminants influence on change of hardness of agricultural tyre tread
degradation hardness Shore A tread
2015/5/18
Tyres represent the only element which connects a vehicle with a roadway and they are one of the most important parts of the vehicle. Investigated samples from chosen agricultural tyres were placed in...
Tests elucidate the odor properties of the contaminants affecting West Virginia residents
Tests elucidate odor properties of the contaminants affecting West Virginia residents
2014/3/28
In the more than two months since the Jan. 9 chemical spill into West Virginia’s Elk River, new findings reveal the nature of the chemicals that were released into the water and then into the air in r...
同济大学环境科学与工程学院环境化学课件PART5-2 Chemical contaminants and ecotoxicology
同济大学环境科学与工程学院 环境化学 课件 PART5-2 Chemical contaminants and ecotoxicology
2013/12/12
同济大学环境科学与工程学院环境化学课件PART5-2 Chemical contaminants and ecotoxicology。
UV Light Induced Transformation of 1-Methylnaphthalene in the Presence of Air and Its Implications for Contaminants Research
Transformation Products 1-Methylnaphthalene UV Light Photo-Oxidation Contaminants Research
2013/3/12
Understanding chemical transformations of contaminants and the resulting products is extremely important in devising proper monitoring methods for such contaminants and in assessing potential human ex...
Cumulative Risk Assessment Framework for Waterborne Contaminants
Risk Water Cumulative Risk
2013/3/11
A framework is developed and applied for semi-quantitative estimation of cumulative risk from complex mixtures of compounds in water supplies. The framework places these risks onto the unifying metric...
Metal Corrosion of Al-Si-Cu Pattern Wafer Due to Chloride Ion Contaminants
Airborne molecular contaminants (AMCs) Chloride contamination Cleanroom micro-contamination HCl Pattern wafer Semiconductor device
2016/3/28
Chloride ions (Cl–) induce metal corrosion of integrated circuits and cause wafer scrap events in the clean room
environment. In this study, Al-Si-Cu pattern wafers were designed to monitor critical ...
Natural Contaminants in Drinking Waters (Arsenic, Boron, Fluorine and Vanadium) in the Southern Pampean Plain, Argentina
Arsenic Fluorine Vanadium Hydrochemistry Risk
2013/3/12
This research aims at making a diagnosis of the presence of arsenic, boron, fluorine and vanadium in the waters from the basin of El Divisorio stream, tributary of Paso de las Piedras reservoir, in th...
Phytoextraction of Metal Contaminants by Typha Angustifolia: Interaction of Lead and Cadmium in Soil-Water Microcosms
Phytoextraction Contaminant Interaction Lead Cadmium Microcosm Typha Angustifolia
2013/3/13
A greenhouse study was conducted on phytoextraction and accumulation of lead (Pb) and cadmium (Cd) from contaminated soil – water microcosms by the narrow-leaved cattail, Typha angustifolia. The plant...
Perfluorinated compounds: occurrence of emerging food contaminants in canned fish and seafood products
perfluorinated compounds contamination fish seafood canned products charcoal liquid chromatography tandem mass spectrometry
2014/2/27
The contamination levels of perfluorooctanoic acid (PFOA), perfluorooctane sulfonate (PFOS) and perfluorooctane sulfonamide (FOSA), which represent an important subgroup of the environmental contamina...
Removal of the Discoloring Contaminants of an East Georgia Kaolin Clay and its Dewatering
Kaolin clay Titanium and iron impurities Flotation Coagulation Selective flocculation
2009/10/12
The present study deals with flotation, selective flocculation, leaching and dewatering tests conducted on East Georgia kaolin clay. Flotation and selective flocculation tests were performed on the sa...
Inactivation of Possible Fungal Food Contaminants by Photosensitization
photosensitization inactivation of microfungi food processing safety
2009/3/16
Photosensitization is based on the interaction of two nontoxic, nonmutagenic and noncarcinogenic agents – photosensitizer, accumulated in the microorganism, and visible light. This interaction in the ...
Effects of Formulation and Baking Conditions on Neo-formed Contaminants in Model Cookies
cereal products Maillard reactions baking temperature newly formed compounds sugar type
2014/3/10
This work aimed at studying the influence of baking temperature and formulation on the formation of undesirable Maillard compounds called neoformed contaminants (NFC) in a model cookie system. Four NF...
Faecal Contaminants in Edible Bivalves from Maputo Bay, Mozambique: Seasonal Distribution, Pathogenesis and Antibiotic Resistance
Faecal Contaminants Edible Bivalves Maputo Bay Mozambique Seasonal Distribution, Pathogenesis Antibiotic Resistance
2009/1/16
In Maputo, Mozambique marine bivalves considerably contribute to the diet of the population. This study aimed to investigate seasonal distribution of Escherichia coli and Salmonella in clams from Mapu...
转基因植物检测体系在环境污染物突变性评价中的应用The Application of Transgenic Plant in Evaluating the Genotoxicity of Environmental Contaminants
环境检测 转基因工程 GUS基因 基因毒性
2008/1/8
摘要
很多环境污染物都能对生物体产生诱变性，可利用多种测试材料与方法对其基因毒性进行检测。转基因植物检测体系不仅能对环境污染的诱变性大小进行评价，而且还可以进一步分析其突变的分子机理。本文介绍了转基因植株检测体系的应用前景。
Abstract: Environmental contaminants are powerful mutagenic factors for organisms. Se...
February 15, 2007，Air pollution sources are everywhere in the home, from the bacon and eggs frying in the kitchen, to the woodburning stove in the family room, the newly painted hallway, and even the ...