查询词典 PAHs

The PAHs in sediment core were mainly composed of phenanthrene and fluorene. The concentrations of phenanthrene and fluorene in sediment core were 236.1-417.9 ng/g and 91-130.8 ng/g,respectively. Both of them accounted for 47.2%-58.1% of the ∑PAH16 in sediments.

沉积物中多环芳烃的组成以3环的菲和芴为主，它们的含量分别为236.1～417.9 ng/g和91～130.8 ng/g，二者共占沉积物中多环芳烃总量（∑PAH16）的47.2%～58.1%。

The reduction of PAHs in descending order are adding Serpentine, Marmolite, Zeolite and ferment.

添加不同之矿石粉发现，减量效果依序为添加3%蛇泥，再者为3%蛇片、沸石，最差者为添加酵素。4。

Menzie C A%Potocki B B%Santodonato J Exposure to carcinogenic PAHs in the environment 10.1021/es00031a002 Environmental Science and Technology , 1992,null

郑一%王学军%李本纲%曹军%陶澍%刘瑞民天津地区表层土壤多环芳烃含量的中尺度空间结构特征环境科学学报， 2003，3

Concentrations of PM and PAHs were high in the industrial area, and there were strong indirect mutagenic activities.

工业区大气中颗粒物质和多环芳香烃类化合物浓度较高，并具有很高的间接致突变活性和较弱的直接致突变活性。

Gas chromatograph/mass spectrometer system was used to analyze polycyclic aromatic hydrocarbon (PAHs, including naphthalin, anthracene and fluoranthene) and phthalic acid ester [PAEs, including dimethyl phthalate, diethyl phthalate, diisobutyl phthalate and di(2-ethylhexyl) phthalate] concentration in water samples taken from every treatment units of a large-scale waterworks in a western city whose water source is the upstream of Yangtze river.

以多环芳烃(包括萘、蒽、荧蒽三种物质)和邻苯二甲酸酯包括邻苯二甲酸二甲酯(DMP、邻苯二甲酸二乙酯、邻苯二甲酸二异丁酯、邻苯二甲酸二(2-乙基己基)酯4种物质作为研究对象，采用GC-MS方法测定了以长江为原水的某大型城市给水厂各工艺段水样中的上述物质。

Fossil fuel ; aerosol ; nonorganic pollutions ; organic pollutions ; PAHs ; air environmental quality

化石燃料；大气飘尘；无机污染物；有机污染物；多环芳烃；大气环境质量

Source apportionment results exhibited that pyrogenic and petrogenic source were two major sources of PAHs, the contributions of which were 92.1% and 7.9%, respectively.

上海市表层土壤中多环芳烃污染源主要有燃烧源和石油源，以燃烧源污染为主，占92.1%，石油源污染仅占7.9%。

Polycyclic aromatic hydrocarbons in soil have serious latent danger to our human health.

土壤中的PAHs对人体健康具有潜在的危害。

Apparently the concentration of Phe was higher than other compounds in emission and Nap and Pyr were usually in the majority in the remained compounds.

在排放个别PAHs成份中，其Phe浓度值明显比其他成份高出很多；在其他成份中，通常以Nap、Pyr的浓度较高。

Abundant coal and other coal-derived particles were identified using organic spectrographic analysis.

岩相分析鉴别出沉积物中富含煤和各种煤的生成物，这些富碳物质对沉积物中PAHs的行为意义重大。

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。