查询词典 trinitro-toluene

In this study, the constant volume visual method is used to measure the critical point properties of CO 2+toluene, CO 2+cyclohexane, CO 2+ n butyraldehyde, CO 2+ i butyraldehyde, CO 2+methanol and CO 2+ethanol binary systems.

采用固定体积可视观察法测定了 CO2 +甲苯、CO2 +环己烷、CO2 +正丁醛、CO2 +异丁醛、CO2 +甲醇及 CO2 +乙醇二元体系的临界点性质，为超临界萃取和化学反应提供基础数据。

Three kinds of novel N-heterocyclic carbene allyl palladium complexes (Catalyst 1, 2 and 3) were synthesized. Norbornene polymerizations were carried out using three catalysts activated with methylaluminoxane in toluene.

研究了以3种N-杂环卡宾螯合烯丙基钯配合物1、2和3为催化剂，甲苯为溶剂，甲基铝氧烷为助催化剂催化降冰片烯的聚合。

Specialized in chemistry trade and service, the company insistently holds professional management concept, dealing with toluene and carbinol, both organic liquid chemical products, in areas of East China first.

公司成立于2002年，是一家专业从事化工贸易和服务性公司，京华化工实际创立时间可以追溯到20世纪90年代初，公司一直坚持专业经营的理念，是华东地区最早经营甲苯、甲醇这两大有机液体化工产品的公司。

With morphology characteristics of erosion concave of Ag and Pd contact materials in nitrogen and air being compared, influence on erosion, welding and breakdown voltage of contact for nitrogen and SF_6 being analyzed, influence on contact for the formic acid, toluene, carbinol and distilled water being analyzed, it was showed that the influence on performance parameters of relay contact for various atmospheres is very com...

通过比较触头材料Ag和Pd分别在氮气和空气中侵蚀凹坑的形状特征，分析了氮气和SF6等气氛对触头侵蚀、熔焊、耐压的影响，及甲酸、甲苯、甲醇、蒸馏水等对触头的影响，表明各种气氛对继电器触头性能参数的影响十分复杂，该影响涉及对电弧运动规律的影响和与材料的化学反应。

The residue obtained by pyrolyzing different time was analyzed by elementary analyzer and particle analyzer; Liquid produced by extracting the residue for 24h with Soxhlet extractor through toluene and carbon bisulfide were also resolved by gas chromatography and mass spectrometry, ultraviolet-visible spectrophotometer and Fourier transform infrared spectrometer.

实验首先对煤进行热解，然后对作用不同时间的煤热解残渣进行元素分析和粒度分布分析，并用有机溶剂甲苯和二硫化碳对热解残渣采用索氏提取器抽提24 h，将所得提取液采用紫外-可见光谱仪、红外光谱仪和气质联用仪等手段进行表征。

Catalytic activities of phosphotungstic acid for liquid-phase nitrations of benzene,toluene and chlorobenzene were studied.

研究了磷钨酸对苯、甲苯和氯苯液相硝化反应的催化活性，考察了反应温度、反应时间、硝酸与芳烃摩尔比对芳烃转化率和产物选择性的影响。

MEH-PPV films prepared from chlorobenzene and toluene were used and fabricated into devices in this work.

在本研究中，MEHPPV 高分子分别以氯苯、甲苯当作溶剂配制成导电高分子溶液并且制成薄膜与元件。

Transport and sorption of three common subsurface contaminants, phenol, chlorophenol and toluene, from aqueous phase into soil grains were investigated. Two soils from southern Taiwan, Nanchi and Dashi, were selected as representative soils.

中文摘要本研究以高雄楠梓与大树两地之土壤作为代表性吸附剂进行两种代表性土壤之单颗粒批次及管柱吸附实验，并应用具有物理意义之传输模式模拟动力实验值，以期求出三种有机污染物在土壤颗粒中之孔隙扩散系数，进而预测不同污染物浓度之吸附动力行为。

It was discovered in the late nineteenth century as a derivative of toluene (a solvent derived from coal tar).

它是于十九世纪后期作为甲苯（一种煤焦油的可溶的衍生物）的一种衍生物被人发现的。

Place complex colophony can be absorbed 13 times more self-prossessed the toluene of above.

所合成的树脂可吸收自重13倍以上的甲苯。

A small, rubber-headed hammer used in examination or diagnosis by percussion.

叩诊槌用在通过''。'振荡'。''所作的检查或诊断中的橡皮头的''。'小'。''槌

Affixes are limited in number in a language, and are generally classified into three subtypes, namely, prefix, suffix, and infix, depending on their position with reference to the root or stem of the word.

语言中词缀的数量总是有限的，根据它们跟词根或词干的相对位置，一般可以把词缀分外三小类：前缀，后缀和中缀。