查询词典 toluene

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。

Results indicate that in lauric acid and toluene quality ratio of 1: 2, R12-1.0G of Congo red transfer rate of 84.26%; as the R12-1.0G concentration increases, dye transfer of Congo red ratio increases, this experimental results and guest molecules of chemical structure.

结果表明：在月桂酸与甲苯的质量比为1：2时，R12-1.0G对刚果红的转移率达到84.26%；随着R12-1.0G浓度的增加，染料刚果红的转移率也随之增大，这一实验结果与客体分子的化学结构一定的关系。

A continuous experiment apparatus was set up for kinetic research of liquid-phase oxidation of toluene by air under industrial condition.

建立了一套甲苯液相空气氧化的连续反应装置，在工业条件下进行了动力学实验研究。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。