本文介绍了造纸废水中C_1~2—C_20饱和脂肪酸、油酸、亚油酸、亚麻酸等主要毒性污染物的测定方法。
An analytical procedure for the determination of C12-C20 saturated aliphatic acids and oleic, linoleic, linolenic acids, major toxic constituents in effluents from pulp and paper mills, is presented.
这种污染物很容易在大范围的地理区域内扩散，保持其毒性，并具有在生物脂肪组织内积累的倾向。
The pollutants disperse easily across wide geographic areas, retain their toxicity, and have a tendency to accumulate in the fatty tissues of organisms.
并且会导致空气中污染物不易扩散，增强有害物质的毒性，严重的，还可能会导致毒雾发生。
And can lead to air pollutants is not easy to spread, enhanced the toxicity of harmful substances, serious, may also cause smog.
考查重金属污染物的毒性效应是探讨重金属水环境容量的基本出发点。
Examining the toxic effect of heavy metal pollutants is essential for exploring heavy metal water environmental capacity.
硝基苯类化合物是一类高毒性的有机污染物，它们性质稳定，极难生化降解。
Nitrobenzene compounds, a highly toxic compound, is very difficult to be degraded and its chemistry property is very stabilizing.
目的检测环境污染物四氯化碳的诱变活性，评价其可能的潜在遗传毒性。
Objective To study the genetic toxicity of carbon tetrachloride for male mice and assess the potential genetic toxic effect on mankind.
环境化学污染物严重威胁人类健康，目前对其毒性作用机制研究已逐步深入到细胞器和分子水平。
Environmental chemical pollutants affect human beings' health enormously. Nowadays studies on their toxicol actions have focused on organelle and molecular level of organism.
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 article discusses on the relationship of environmental lead pollution and health, which covers pollutant sources, toxicity hazard and analysis method.
铬的毒性与其存在状态有关，六价铬是电镀含铬废水中的主要特征污染物。
The toxicity of chromium is related to its oxidation states, and the primary typical pollutant in chromium-containing electroplating waste water is hexavalent chromium.
同时得到相应的量子化学参数，如：分子最高占有轨道能、分子最低空轨道能、分子偶极矩和分子体积等，并将这些理化参数与有机污染物的麻醉毒性参数相关联。
Then, all the quantum chemical descriptors including hardness index, softness index, and electronegativity are made to be correlated with the parameters of anesthetic toxicity of organic pollutants.
苯酚是一种毒性有机污染物，通常源自工业废水。
Phenol is a kind of toxic organic pollutant commonly emitted from industrial effluents.
垃圾渗滤液污染物浓度高、毒性大、成分复杂，对生态环境和人体健康危害十分严重，是一种典型的高污染、难处理高浓度有机废水。
The concentration of the pollution in garbage leachates is high, the virulence is great and the component is complex , which harms the biological environment and people' s health very seriously.
提示我们危货站空气污染物具有直接遗传毒性作用。
It indicated that air pollution of DCARTS had direct mutagenesis.
本文综述了近年来我国在有机污染物对单种藻类和藻类群落的毒性效应的研究成果。
Research findings of toxic effect of organic pollutants to algae community and one sort of algae in recent years were also summarized in the article.
但有证据表明机动车尾气中散发的颗粒物比一般污染物的混合体更具毒性。
However, there is evidence to suggest that particulate emissions from fossil-fuel powered vehicles and traffic are more toxic than a general mixture of pollutants.
重金属是一类重要的环境污染物，铜是其中毒性大、分布广的一种。
Heavy metals are important pollutants and copper is one of them with high toxicity and wide-spreaded.
二恶英是一类毒性极高的持久性有机污染物，能够给生态环境带来巨大的危害。
Dioxin is a kind of POPs with high toxicity, it will bring huge harm to ecology environment.
另外，有机卤化物广泛应用于杀虫剂中，是一类毒性强、易致癌、难生物降解的环境污染物。
On the other hand, organic halides are widely used in insecticide. They represent a class of toxic, carcinogenic and nonbiodegradable organic pollutants.
介绍了用于环境污染物结构毒性关系研究的软件，做为软件性能的检验，也进行了62种氮杂环芳胺及其致变活性关系的实例研究。
In this paper, an expert software system for the study of the QSAR on environmental pollution is introduced. The case study of the QSAR of 62 heterocyclic amines has been carried out.
醛、酮类污染物是环境中的主要污染物之一，其来源广、毒性大，各国对其排放都进行了严格的限制。
Pollutants such as aldehyde and ketone, among major pollutants in atmosphere environment, are strictly limited by every nation for their discharges because of their high toxicity and numerous sources.
目的：通过研究燃汽油机动车尾气成分，及其对DNA分子的氧化损伤，在分子生物学水平上探讨燃汽油机动车尾气污染物的遗传毒性效应与机制。
Objective: the genotoxicity and its molecular mechanism of gasoline vehicle exhaust were studied through examining exhaust components and the oxidative DNA damage induced by them.
该系统为您在开展新医药、新农药、新材料的设计工作和新有机污染物的研究过程中，提供化合物的致癌毒性信息。
It can provide carcinogenic toxicity information in drug design, pesticide design, material design and identification of organic pollutants.
本文对其来源与危害作了介绍并探讨了室内挥发性污染物毒性评价的必要性。
This essay introduces the origin and harm of indoor volatile contamination and discusses the necessity of the evaluation of the toxicity of indoor volatile contamination.
细胞毒性和细胞凋亡：评价有毒化合物、抗癌抗体、毒素和环境污染物等。
Cytotoxicity and Apoptosis: evaluation of toxic compounds, anti-cancer antibodies, toxins, environmental pollutants etc.
大气污染物中，对健康产生急性毒性作用的主要是气相污染物，其次是尘。
The acute influence comes from gaseous pollutants and dust is the second.
该系统为您在开展新医药、新农药、新材料的设计工作和新有机污染物的研究过程中，提供化合物的急性毒性信息。
It can provide acute toxicity information in drug design, pesticide design, material design and identification of organic pollutants.
氯酚类化合物被广泛应用于防腐剂和消毒剂，并且是很难被降解的和易在环境中累积的一类毒性较大的持久性污染物。
Chlorophenols have been widely used as preservatives, disinfectants, pesticides and herbicides. These toxic chemicals are quite recalcitrant to degradation and can accumulate in the environment.
目的甲基汞是严重危害人类健康的蓄积性环境污染物，具有强烈的神经毒性作用。
Methylmercury is a cumulative environmental pollutant which harm human being health badly and have strong neurotoxicity.
多硝基酚类污染物由于毒性大，具有生物积累性，难生化降解，对生态环境和人体健康构成严重的威胁。
Nitrophenols wastewater with the feature of strong toxicity, bioaccumulation and difficulty biochemical degradation, threat the ecological environment and human health seriously.
多硝基酚类污染物由于毒性大，具有生物积累性，难生化降解，对生态环境和人体健康构成严重的威胁。
Nitrophenols wastewater with the feature of strong toxicity, bioaccumulation and difficulty biochemical degradation, threat the ecological environment and human health seriously.
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