查询词典 PAHs

Previous studies have reported PAHs results in DNA adducted and genetic effect of human and animal.

目前已知多环芳香碳氢化合物会干扰人类基因正常功能，导致体内的肿瘤病变。

As two most important contaminants, heavy metal that can't be biodegraded and PAHs that typify carcinogenicity have not only brought severe ecocatastrophes in many developed countries, but also caused an ecocrisis in most developing countries.

不能降解的重金属和具有致癌性的多环芳烃是水体和沉积环境中尤为重要的两类污染物，不仅在发达国家已经引起过严重的生态学灾难，在发展中国家也日益成为环境危机。

As two most important contaminants, heavy metal that cant be biodegraded and PAHs that typify carcinogenicity have not only brought severe ecocatastrophes in many developed countries, but also caused an ecocrisis in most developing countries.

不能降解的重金属和具有致癌性的多环芳烃是水体和沉积环境中尤为重要的两类污染物，不仅在发达国家已经引起过严重的生态学灾难，在发展中国家也日益成为环境危机。

The transformation of microorganism plays an important role in the degradation and fating of PAHs.

本文就微生物降解多环芳烃代谢途径的多样性和分子遗传学机制的研究进展进行了综述

Rather they are found as mixtures of two or more PAHs

它们往往是两个或更多的多环芳烃的混合物。

Leaf samples from three evergreen species (southern magnolia, camphor tree, boxtree) and one deciduous species in Shanghai were sampled during 2005 to 2006. The results showed that there has big difference in accumulating capacity and tendency among these species.

采用特征比值法对上海环境数据进行的源分析结果显示：选定的工业区域大气PM10中PAHs污染主要来自工业排放，其次为交通和扬尘污染，总体表现为混合污染；表层土壤分析结果为煤炭燃烧和交通排放混合污染。

Analysing datas of domestic and oversea, this paper discusses the use of alkanes and PAHs in the source analysis.

分析了国内外的资料，并结合几年来对北京地区的研究成果，讨论了饱和烃、多环芳烃等有机污染物在源解析方面的应用。

S. EPA priority pollutants and are powerful carcinogenic substances. Various alkyls PAHs as well as heterocyclic hydrocarbons were also detected.

未取代的多环芳烃含量为主，其中大部分属于美国环保局提出的优先控制污染物，属强致癌和可能致癌物质。

Fat drippings create smoke that is filled with carcinogenic polycyclic aromatic hydrocarbons, or PAHs.

烧烤时滴落的脂肪会产生充满多环芳烃的烧烤烟。

ECOD activity was induced by BaP, TBT or their mixture at high concentrations after 50 days exposure, and it is advisable to use ECOD activity as a biomarker to assess severe PAHs or TBT pollution. UDPGT was analyzed as phase II enzyme.

ECOD活性在BaP、TBT或者二者的联合作用下主要表现出被诱导效应，也能反映出高浓度的BaP和TBT联合污染情况，可以作为高污染环境中的生物标志物参考指标。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。