芳烃

Distribution Characteristics of Polycyclic Aromatic Hydrocarbons in Different Soil Organic Carbon Fractions

多环芳烃在土壤不同有机质组分中分配特征的研究

Automobile exhaust also found 32 species of polycyclic aromatic hydrocarbons, including 3,4 - benzopyrene and other carcinogenic substances.

汽车尾气中还发现有32种多环芳烃，包括3，4-苯并芘等致癌物质。

On Earth, polycyclic aromatic hydrocarbons are found on burnt toast and in automobile exhaust.

在地球上，可以在烤土司和汽车尾气中找到多环芳烃。

Recently, more and more attentions are paid on the behaviors and fates of polycyclic aromatic hydrocarbons because of their potential hazard and risks to environment and humans.

中文摘要：多环芳烃是环境中较为常见的持久性有机污染物，它们在环境中的行为、归趋及可能造成的危害和环境风险越来越引起人们的关注。

Determination of Polycyclic Aromatic Hydrocarbons in Drinking Water By b Liquid-Liquid Extraction and HPLC with Coupled Ultraviolet and Fluorescence Detection.

测定多环芳烃的饮用水中的B液液萃取和高效液相色谱耦合紫外线和荧光检测。

On Earth, polycyclic aromatic hydrocarbons are found on burnt toast and in automobile exhaust.

在地球上，烤糊的面包和汽车尾气里都含有稠环芳烃。

The contents of 10 species of polycyclic aromatic hydrocarbons and the routine indexes of COD, BOD5, etc.

用HPLC和化学分析法，监测了1999~2002年丰水期和枯水期杭州市地面水中10种多环芳烃的含量和COD、BOD5等常规指标。

Chemical Products, Chemicals: inorganic acid, sodium compounds, potassium compounds, calcium compounds, barium compounds, manganese compounds, chromium compounds, nickel compounds, zinc compounds, magnesium compounds, aluminum compounds, single-element chemical products, even items of the five machines Chemical products, paraffin, waxes other chemicals, coke, oil and chemicals, alcohol, aldehyde chemicals, acetate chemicals, ketones, ethers, phenols chemicals, alkanes, alkenes, acetylene chemicals, amine chemicals, aromatic chemicals, Miscellaneous organic chemicals, acid chemicals, other chemicals, dyes and intermediates, pigment materials, plastic materials, agricultural chemicals: fertilizers, pesticides, growth agents, plastic sheeting, etc., equipment, pyrophoric alloys, articles of combustible materials , chemical reagents, rubber, imports, machinery and equipment, machinery and equipment, apparatus; photographic equipment; printing equipment; general machinery; textile equipment; Machine Components; a variety of equipment, Shanghai, Zhejiang, Guangdong, Jiangsu high-quality, low-carbon The new satellites technology goods manufacturers, exporters, wholesalers, traders, USA, United States importers, wholesalers, retailers, investors, designers, planners, please contact our office, George Chen, Mobile :+

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It is determined that the contents and distribution of pyrrolic compounds and dibenzothiophene are controlled by oil fraction during migration, which has potential significance in evaluating the oil migration and reservoir Filling direction.

杂环芳烃中的吡咯类化合物和二苯并噻吩具有显著的油气运移分馏效应，可以作为有效的油气运移与油藏充注方向的分子级示踪参数。

The yields of raffinate oil and desorption oil are approximately the same. The potential aromatic content of the raffinate oil rose by 12.9 percent compared to that of the condensate oil.

吸余油和脱附油的收率约为对半分，吸余油的芳烃潜含量比凝析油提高12.9个百分点。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。