Studies on alga pollution and its toxicity of municipal water supplies.
某市供水藻类污染及其毒性研究。
The article discusses on the relationship of environmental lead pollution and health, which covers pollutant sources, toxicity hazard and analysis method.
本文论述了环境铅污染与健康，包括污染物的来源、毒性危害和分析方法。
The study on elemental speciation in airborne particulate matter (PM) is important for its evaluation of toxicity and source of pollution.
大气颗粒物中元素的种态研究，对评价其毒性和污染来源等有很重要的意义。
The chemical composition, main pollution sources and toxicity of dioxin, its pollution situation aboard and relative standards in Japan, USA, Germany etc are described.
文章论述了二的化学成分及主要来源；二的毒性；日本、美国、德国等国二恶英污染状况及各国制定的标。
Objective To investigate the cause of a case of toxicity due to the pollution of water strainer by nitrite.
目的寻找及分析因井水亚硝酸盐污染自来水管网导致中毒暴发事件的原因。
Silicon fertilizer can reduce the toxicity of heavy metal, and plays an important role in reducing heavy metal pollution.
硅肥能降低重金属对作物的毒害，对减小重金属的污染起到了一定的作用。
Hexavalent chromium plating has weaknesses such as toxicity and environmental pollution.
六价铬电镀具有毒性大、环境污染严重等缺点。
The genetic toxicity and pollution effects of potassium chlorate on Vicia faba root tip cells were studied by means of VAMCN.
利用蚕豆根尖微核技术研究了氯酸钾细胞遗传毒性和污染效应。
BACKGROUND: Environment pollution due to lead is severe day by day, and the lead-induced developmental toxicity of central nervous system is prominent.
背景：环境铅污染日趋严重，铅致中枢神经系统发育的毒性较为突出。
The product of the metal, lacquer, rubber, human body without any corrosion or toxicity, so any operation in any environment will not affect the use or pollution.
本品对金属漆面、橡胶、人体无任何腐蚀或毒性，所以任何人在任何环境下操作使用都不会造成影响或污染。
A brief introduction of known mechanisms for the formation and toxicity and pollution of dioxins. A comprehensive review of measures to reduce dioxins is also given.
主要介绍了造纸工业中二恶英的形成机理及危害，并对二恶英污染的防治措施进行了综述。
Industrial wastewater to waters of the important sources of pollution, with a large amount of wide complex composition, toxicity, difficult purification, intractable and so on.
工业废水为水域的重要污染源，具有量大、面广、成分复杂、毒性大、不易净化、难处理等特点。
From the point-of-view of specific energy, environmental pollution (toxicity) and cost, lithium manganese oxide will be the most promising compound.
从比能量、环境污染和价格方面看，锰酸锂化合物最具前景。
Because of the high acidity, low nutrients content, aluminum toxicity and potential heavy metals pollution, oil shale waste slag has negative effects on the normal growth of plants.
油页岩废渣因酸度高，养分含量低，并存在一定程度的铝毒和重金属污染等，使得植物很难在其中正常生长发育。
Plant-derived pesticides have been drawn attention by people owing to its advantages of low toxicity, low residue and no pollution to environment.
植物源农药因其低毒、低残留和对环境无污染等优点，已引起人们的极大关注。
The characteristics of Cd pollution in soil, Cd forms transformation in the soil and its biological toxicity are reviewed in this paper.
论述了土壤Cd污染的特点、Cd在土壤中的形态转化特征、生物毒性及我国目前土壤Cd污染现状及危害。
We are specialized in manmade marble, which can let sufficient light go through, with nature texture, acid and alkali resistance, no radiation, no pollution, no toxicity.
本公司是一家专业生产人造石透光板的大型企业。其产品具有透光效果好、纹路自然、耐酸、耐碱、无辐射、无污染、无毒害的环保建材产品。
The method has characteristics of no toxicity, no pollution and good corrosion resistance. So it has a bright application future.
该方法具有无毒无污染和防蚀效果好的特点，具有良好的应用前景。
The good solvent is high boiling point ester compound and has the advantages of no bad smell, no toxicity, no pollution, high recovery rate, low cost, etc.
本发明采用高沸点酯类化合物作为良溶剂，具有无难闻气味、无毒性、无污染、回收率 高、成本低廉等优点。
Nowadays, Chemical pesticides are coming into the new epoch of "high effectivity, low toxicity, no pollution".
如今，化学农药将进入“高效、低毒、无污染”的新时期。
The external application of the Chitosan oligosaccharide can improve the stress resistance of the crops, is free from toxicity, causes no environmental pollution, and is simple in usage.
外施壳寡糖能提高作物 抗逆性，而且无毒不引起环境污染，使用方法简单。
The artistic powder paint of the present invention has no toxicity, no pollution, high use effect and reasonable cost.
本发明具有无毒、无污染、效果好、价格合理的优点。
The artistic powder paint of the present invention has no toxicity, no pollution, high use effect and reasonable cost.
本发明具有无毒、无污染、效果好、价格合理的优点。
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