芘是多环芳烃的一个代表性化合物。
介绍以环丁砜为溶剂、萃取芳烃的方法。
A method for extraction of aromatic hydrocarbon using sulfolane as solvent is described.
在城市地区机动车辆是多环芳烃的主要来源。
主要研究了多环芳烃的地区和季节分布特征。
The distributive characteristics of PAHs in different districts and different seasons were mainly studied.
总共有140名儿童被分为多环芳烃的高接触者。
A total of 140 children were classified as having high PAH exposure.
本文综述环境中多环芳烃的来源的迁移转化的研究近况。
The paper summarizes the recent research on the source, migration and transformation of polycyclic aromatic hydrocarbon (PAH) under the different environments.
简要介绍了超分子化学的起源,杯芳烃的合成性质及应用。
Supermolecule chemistry and calixarene are introduced. The characteristic, synthesis method and application of calixarene are introduced in brief.
石脑油既是裂解制乙烯的原料,也是重整制备芳烃的原料。
Naphtha is the feedstock for both ethylene production and catalytic reforming.
综述了甲烷催化转化合成芳烃的方法和目前实验达到的结果。
Synthesis of aromatics by catalytic conversion of methane is reviewed and the recent results of experiment are given.
综述了甲烷催化转化合成芳烃的方法和目前实验达到的结果。
This paper introduces the method of direct aromatization reaction of methane and the experimental results achieved at present.
该法对几种代表性多环芳烃的回收率为75.0-100%。
本文概述了天然环境中多环芳烃的来源、分布和迁移转化规律。
A large number of research results have been made on the sources, distribution, transport and transformation of polycyclic aromatic hydrocarbons (PAH) in the natural environment.
近年来石油(其是柴油)分脱除芳烃的问题受到越来越多的重视。
Recently, aromatic saturation in distillate fractions specially in diesel fuel has received considerable attention.
这些结构参数直观地表征了石油磺酸钠中烷基芳烃的平均结构模型。
The carbon number, average aromatic carbon number, average saturated carbon number and the average number of methyl were figured out.
抽提溶剂油催化加氢脱芳烃的研究,考查了不同操作条件下6~?。
The effects of different operating conditions on the catalytic hydrodearomatization of 6 extraction solvent oil are investigated.
论述了柴油加氢脱芳烃的催化剂体系、芳烃加氢反应机理和工艺方法。
The processes and catalysts for removal of aromatics contained in diesel oil are reviewed.
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。
The sorption of acenaphthene and phenanthrene was characterized by linear isotherm indicating solute partition between water and the organic phase in soil.
目的用紫外分光光度法及荧光分光光度法优化化探样品中芳烃的测试条件。
Aim To optimize the measurement condition of hydrocarbon in geochemical samples by ultraviolet spectrometry and fluorescence spectroscopy.
环烷烃、总烷烃、烯烃和芳烃的含量随着空速的变化出现相互交叉的现象;
The content of naphthene, total paraffin, olefin and aromatics in FCC gasoline increased or decreased alternately with the change of space velocity.
研究了北京市典型交通路口大气颗粒物中多环芳烃的污染特征及影响因素。
Pollution property of PAHs in the particulates in the air and its affecting factors at the traffic crossing in Beijing were studied.
单环芳烃的加氢饱和与环烷烃的选择开环是柴油深度脱芳过程中的重要反应。
The hydrogenation saturation of aromatics and selective ring opening of cycloalkane were the most important process during deep dearomatization of diesel oil.
介绍了当前研究开发中的几种芳烃的清洁硝化工艺,包括液相硝化和气相硝化。
This paper studies some clean process used for the nitration of aromatic hydrocarbon, including liquid phase reaction and gas phase reaction.
方法用优化后的条件对陕北地区化探样品中芳烃的石油醚萃取液进行了光谱分析。
Methods the extracted liquid with petroleum ether from the geochemical samples in the north of Shaanxi was spectrally analyzed by using the optimized measurement condition.
催化重整是生产高辛烷值汽油组分和芳烃的重要工艺,并且能为炼厂提供廉价的氢气。
The catalytic reforming is an important technology providing high-octane gasoline and aromatic hydrocarbon, and also offering a great deal of cheap hydrogen to refinery.
本文综述了含杯芳烃的高分子材料在化学传感器、谱及传输分离等方面的研究和应用。
In this review, progress in the research and application of this kind of calixarene-containing polymer materials is presented in view of chemical sensors, chromatography and transport separation.
本文综述了固有手性杯芳烃的合成、光学拆分及其在手性识别和不对称催化领域的应用。
Herein the synthesis and optical resolution of inherently chiral calixarenes and their applications in enantioselective recognition and asymmetric catalysis are reviewed.
结果表明,QSAR与PC A方法的结合可以成功地评价和预测硝基芳烃的综合毒性。
The results show that the combination of QSAR and PCA can successfully evaluate and predict the integrated toxicities of combination of nitroaromatic compounds.
研究还显示,芳烃的甲基化和甲基重排作用受原始可溶有机质丰度、来源和演化程度的控制。
In addition, methylation and methyl rearrangement of arenes were mainly controlled by the abundance, source and evolution degree of soluble organic matter.
本文就硝基多环芳烃的致突变性、结构与致突变活性之间的关系方面的研究进展加以综合评述。
In this paper, the recent advance in the study on mutagenicity and structure activity relationships of nitrated PAHs were reviewed.
本文就硝基多环芳烃的致突变性、结构与致突变活性之间的关系方面的研究进展加以综合评述。
In this paper, the recent advance in the study on mutagenicity and structure activity relationships of nitrated PAHs were reviewed.
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