芳烃

The sorption of Acenaphthene and Phenanthrene was characterized by linear isotherm, indicating solute partition between water and the organic phase in soil.

静态实验结果表明，土壤对焦化废水中以UV_(254)为代表的具不饱和键有机物去除主要是分配作用的结果，其吸附速度非常快，且温度的影响很小；土壤对多环芳烃的吸附去除效果明显，其中苊和菲的吸附等温线呈线性。

In this study, the CPE processes of four different kinds of polyaromatic hydrocarbons, acenaphthene, anthracene, phenanthrene and pyrene, with two kinds of silicone surfactants, DC-193 and DC-190, were studied separately, and four different assisting methods for the phase separation of the CPE process including heating at a higher temperature, adding salts, centrifugation and stirring were introduced, respectively.

今利用两种聚醚型有机硅表面活性剂DC-193和DC-190，对蒽、菲、芘和苊四种多环芳烃进行浊点萃取研究，分别使用加热、加盐、离心和搅拌等辅助方法改变相分离过程的速度。通过测定表面活性剂富集相的体积百分率Vs/随时间的变化和最终的萃取率，研究上述四种不同辅助方法对相分离行为和萃取性能的影响。

In this study, the CPE processes of four different kinds of polyaromatic hydrocarbons, acenaphthene, anthracene, phenanthrene a...

今利用两种聚醚型有机硅表面活性剂DC-193和DC-190，对蒽、菲、芘和苊四种多环芳烃进行浊点萃取研究，分别使用加热、加盐、离心和搅拌等辅助方法改变相分离过程的速度。

The low-molecular-weight paraffins olefins, as found in natural gas refinery gases, the simple aromatic hydrocarbons have so far been of the most interest because it is these individual species that can readily be isolated dealt with.

迄今为止，人们最感兴趣的是从天然气和炼厂气中所得到的低分子量石蜡和稀烃，以及简单芳烃，因为8 Tt t 8。 com 这些物质能够 SSBBww 进行迅速分离和处理8tTt8。

For the α-arylation of ethyl acetoacetate, the product was α-aryl ethyl acetoacetates, rather than ethyl α-arylacetates which are the major products in other catalytic systems.

较为惰性的氯代芳烃在Pd2/L1的催化下，也能够跟1，3-二羰基化合物发生α-芳基化反应。

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。

Which are consistent to the source rocks relating to evaporite depositional environment within the lower part of Xingouzui Formation and the upper part of Shashi Formation in the study area.

对江汉盆地西南缘12个原油样品中含硫化合物分布特征的研究表明，原油中二苯并噻吩系列化合物和苯并萘并噻吩系列化合物分别占芳烃总量的4.61%~9.79%和0.27%~1.32%，与烃源岩中含硫化合物的含量一致，反映原油中含硫化合物的含量与沉积环境有关。

The fuel gas from the lime and the recovery furnace contains minor amounts of polyaromatic hydrocarbons compounds containing several aromatic tings.

石灰窑和回收炉燃料燃烧释放的气体中含有少量含有几种芳香烃的多环芳烃。

In the presence of Pd_2, NaOMe, and EtOH, a variety of aryl iodides and aryl bromides were coupled with arylboronic acids smoothly in very short time.

Pd_2作为催化剂，NaOMe作为碱，EtOH作为溶剂，一系列的碘代和溴代芳烃都能在极短的时间内与芳基硼酸反应得到相应的交叉偶联产物。

Isomerized gasoline is the cleanest high-octane gasoline component, which is free of sulfur, olefin and aromatics.

异构化汽油不含硫、烯烃及芳烃，是最洁净的高辛烷值汽油组份。

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。