搜索结果: 1-15 共查到“工学 Toxicity”相关记录16条 . 查询时间(0.169 秒)
Layer-by-layer assembly of nanomultilayer structures: Reinforcement of expanded char reduced the toxicity and fire hazard of epoxy resins
Epoxy resin Fire safety Intumescent flame retardant Smoke suppression Flame retardancy
2023/11/16
Epoxy resins (EP) have been widely applied in chemical engineering, composite materials, and aerospace. Nevertheless, the high fire hazard of flammable epoxy resins, which release considerable hazardo...
Philadelphia is the poorest large city in the United States. It’s also unusual in having a high proportion of homeowners compared to renters. Taken together, this means that poorer homeowners may lack...
昆明理工大学理学院环境科学与工程学院环境毒理学课件Chapter 3 Toxicity Testing
昆明理工大学理学院环境科学与工程学院 环境毒理学 课件 Chapter 3 Toxicity Testing
2017/4/17
昆明理工大学理学院环境科学与工程学院环境毒理学课件Chapter 3 Toxicity Testing.
Metals, Metalloids and Toxicity in Date Palms: Potential Environmental Impact
Date Palm Metalloids Metals Toxicity
2013/3/12
This paper summarizes our studies on metal and metalloid uptake by the date palm, Phoenix dactylifera L., a tree of considerable importance in arid regions. The typical concentrations of 17 elements i...
Toxicity and Antimicrobial Activities of Ionic Liquids with Halogen Anion
Toxicity Ionic Liquids Inhibition
2013/3/12
To investigate the eco-toxicity of ionic liquids (ILs), experiments on growth of three kinds of bacteria were carried out for six common ILs with halogen anion by a micro-calorimetric method at 310 k....
Seryl-tRNA Synthetases from Methanogenic Archaea: Suppression of Bacterial Amber Mutation and Heterologous Toxicity
seryl-tRNA synthetase heterologous toxicity amber suppression methanogenic archaea
2011/2/24
Methanogenic archaea possess unusual seryl-tRNA synthetases (SerRS), evolutionarily
distinct from the SerRSs found in other archaea, eucaryotes and bacteria. Our recent X-ray
structural analysis of ...
Evaluating Toxicity of Extracted Destruxin from Metarhizium Anisopliae Against Citrus Leafminer, Phyllocnistis citrella
Destruxin Metarhizium anisopliae citrus leafminer Phyllocnistis citrella microbial agent
2010/12/22
Problem statement: The fungus, Metarhizium anisopliae (Metschnikoff) Sorokin produces some cyclic peptide toxins, destruxins, which exhibit a variety of insecticidal actions. Citrus leafminer, Phylloc...
Antioxidant Effect of Ethanolic Seed Extract of Hibiscus sabdariffa linn (Malvaceae) Alleviate the Toxicity Induced by Chronic Administration of Sodium Nitrate onSome Haematological Parameters in Wistars Rats.
Antioxidant ethanolic Sodium nitrate Hibiscus sabdariffa
2010/9/30
The antioxidant activity of ethanolic seed extract of Hibiscus sabdariffa l. was investigated in toxicity induced by chronic administration of sodium nitrate in wistar rats. Twenty-five adult wistar r...
Gold Drugs: Mechanism of Action and Toxicity.
Apoptosis Induction by Vinegar Produced from Boiled Extract of Black Soybeans in Human Monoblastic Leukemia U937 Cells : Difference in Sensitivity to Cell Toxicity Compared to Normal Lymphocytes
boiled extract of black soybeans vinegar EBV
2009/6/10
The effect of vinegar produced from the boiled extract of black soybeans on apoptosis induction in human monoblastic leukemia U937 cells was investigated. The boiled extract of black soybeans obtained...
苦杏壳木醋液抑菌活性和化学成分分析（Preparation,Toxicity and Components for Bitter Almond Shell Wood Vinegar）
木醋液 抑菌活性 GC/MS 化学成分
2010/2/26
以苦杏壳为原料经热解制取木醋液，研究其抑菌活性和理化性质，为苦杏壳木醋液作为一种植物源抗菌剂的应用提供理论依据。利用干馏法，分别在90～170℃、170～370℃和370～500℃ 3个温度段收集粗质木醋液，并经过静置、木炭粉吸附杂质、过滤等过程得精制木醋液。结果表明，精制得率随干馏温度的增加而降低，其中170℃～370℃段产量最大、pH值最低、有机酸含量最高、抑菌能力也最强。GC/MS分析170...
Toxicity of Aromatic Ketone to Yeast Cell and Improvement of the Asymmetric Reduction of Aromatic Ketone Catalyzed by Yeast Cell with the Introduction of Resin Adsorption
asymmetric reduction chiral alcohol acetophenone
2009/2/19
Asymmetric reduction of the prochiral aromatic ketone catalyzed by yeast cells is one of the most promising routes to produce its corresponding enantiopure aromatic alcohol, but the space-time yield d...
A Subchronic Toxicity Study of Spirulina platensis
acute toxicity subchronic toxicity blue-green algae
2010/2/3
In this study, we examined the effects of Spirulina platensis, a multicellular filamentous blue-green algae currently used world-wide as a food supplement, upon acute and subchronic treatments to rode...
Microtox Toxicity Assay for the Sediment Quality Assessment of Ganga River
Ganga river sediment elutriate reference sediment microtox solid phase test
2009/1/5
The objective of this study was to determine the sediment quality assessment of Ganga River at Kanpur city where effluents from tannery industries are discharged. Sediment samples from control, upstre...
Factors controlling the extent of eutrophication and toxicity in sulfate-polluted freshwater wetlands
Factors controlling extent eutrophication toxicity sulfate-polluted freshwater wetlands
2014/5/26
Increased sulfur loads originating from polluted surface water and groundwater, and from enhanced atmospheric input, are a major threat to the biogeochemical functioning and biodiversity of freshwater...