查询词典 dimethylbenzene

The aggregates in sodium dedecylsulphate/dimethylbenzene/water systems have been investigated using dissipative particles dynamic simulation method.

采用耗散粒子动力学（Dissipative Particle Dynamics，DPD）方法，模拟了表面活性剂在接枝型两亲性共聚物形成的微胶囊表面的吸附情况。

The quantitative analysis of the mixture of butyl acetate, dimethylbenzene and benzene is done with gas chromatography, taking methyl formate as internal standard.

采用气相色谱法，以甲酸甲酯为内标物，对在所研制催化剂作用下氧化反应前后的醋酸丁酯、二甲苯和苯进行了一次定量分析。

Recent method of synthesizing 3,5-xylenol is sulpho alkaline fusion of dimethylbenzene, it is a very complicated procedure with serious pollution and low-pure products.

国内目前生产工艺是间二甲苯的磺化碱熔法，该方法工艺过程复杂、污染严重，并且产品纯度不高。

The recovery of dimethylbenzene and butylacetate from industrial spent solvent oil by batch distillation was studied,and the batch distillation experiment was performed with pretreated material.

研究采用间歇精馏法从工业废溶剂油中回收二甲苯和醋酸丁酯，对预处理后的原料进行了间歇精馏工艺实验研究。

The method is mainly according to GB/T 11737-1989 "sanitation test standard method for benzene, toluene and dimethylbenzene in air for residential area, gas chromatograph method".

本方法主要依据GB/T 11737-1989《居住区大气中苯、甲苯和二甲苯卫生检验标准方法气相色谱法》。

The extraction of trace amounts of Hg in amedium of HCl with trioctylmethylammonium chloride in dimethylbenzene and the subsequent spectrophorometric determination is described.

研究了以季胺盐即氯化三辛基甲基胺的二甲苯溶液为萃取剂，在HCl介质中痕量汞的萃取和分光光度法测定。

The influence on the diffraction efficiency and the noise of diffusion was discussed when use dimethylbenzene and saturated sucrose solution as matching liquid. And the angular excursion of the reconstructed light beam caused by the two kinds of matching liquid was discussed in this paper.

对使用二甲苯及饱和蔗糖水溶液作为匹配液对漫射噪声及衍射效率的影响，以及带来的再现光角度的偏移进行了讨论。

Results The exceed standard rates of benzene, methylbenzene, dimethylbenzene, formaldehyde in indoor air were 11.39%, 14.58%, 7.64% and 38.17% respectively.

结果 室内空气中苯、甲苯、二甲苯和甲醛的超标率分别为11.39%、14.58%、7.64%和38.17%。

Benzene(benzene,toluene,dimethylbenzene) solution is favored for its easy dissolution and moderate evaporating speed,but it is also the main factor causing interior air pollution.

但同时苯系物也是造成室内空气污染的主要因素。

Methods Every subject was narcosised with of compound dimethylbenzene amicathiazine and solium pentobarbital, the data were analysized.Results Among all subjects, 94%(47 to 50) were successful, 4%(2 to 50) were overanaesthesiaed, 2%(1 to 50) died from repid injection.

成功的麻醉是保障实验顺利进行的重要环节，实验中选择合适的麻醉方法，既可以减少麻醉过深导致动物死亡，又可以避免麻醉太浅术中躁动而影响手术进行。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐