查询词典 trinitro-xylene

It expounds method of benzene anhydride monochloride production by liquid phase air oxidation with mixed o-xylene monochloride as raw material.

论述了以混合单氯代邻二甲苯为原料，采用液相空气氧化法制取单氯代苯酐的方法。

The method is accurate, rapid, sensitive and adapt to the inspection of musk xylene in cosmetics.

本方法准确、快速、灵敏度高，可用于化妆品的实际检验工作。

It is suggested that amino acid neurotransmitter and enkephalin may play a role in the neurotoxic mechanism of xylene in experimental animals.

神经递质水平的改变可能是二甲苯神经毒作用的重要方面。

In addition, the photoproperties of nitrobenzene in p-xylene under differentwavelength UV were also studied.

本文还对硝基苯在对二甲苯中于不同波长紫外光下的光化学性质进行了研究。

ABSTRACT］ Objective: To study using the nontoxic gasoline to replace a potential carcinogenic xylene in application of tissue transparent.

目的：研究无毒性的汽油代替有潜在致癌性的二甲苯在组织透明中的应用。

The breakthrough curves of para-xylene, orthoxylene, ethylbenzene in diethylbenzene solution at 170℃ were measured respectively.

测定了在170℃下对二甲苯、邻二甲苯、乙苯在二乙苯溶液中各系统的穿透曲线。

In the research, toluene and xylene were employed as raw materials, Mn/Mn , Ce/Ce and Mn/MnO_2 as oxidative medias, respectively. Corresponding oxidants Mn, Ce, MnO_2 were electrolyzed through sonoelectrooxidation method, and were applied to oxidate the raw materials to prepare benzaldehyde and its derivatives under the ultrasonic radiation.

在研究中选择甲苯和二甲苯为原料，分别以Mn／Mn、Ce／Ce和MnO_2／Mn为氧化媒质，通过超声电氧化的方法，电解得到相应的氧化剂Mn、Ce和MnO_2，并在超声波作用下，将其用于氧化原料制备相应的苯甲醛及其衍生物。

The catalytic activity declined as the selectivity of paraxylene and ortho-xylene improved with increasing treated temperature.

随着处理温度的提高，催化剂的活性降低，对二甲苯和邻二甲苯的选择性上升。

The experimental results showed that H-MCM-22 possessed a high activity on alkylation of toluene with methanol, but low paraxylene and xylene selectivity.

采用NH3-TPD、IR等表征了改性前后催化剂的酸性，考察了改性MCM-22分子筛上甲苯与甲醇烷基化合成对二甲苯的反应性能。

In order to solve some problems existed in the fractionation section of paraxylene unit, state space models for xylene column and its reboiler furnaces in the section were set up by analyzing the mechanism and the influence factors.

针对对二甲苯装置二甲苯精馏单元在操作和控制中存在的问题，从机理出发，建立该单元二甲苯精馏塔及其重沸炉的状态空间模型，基于多变量预测控制技术开发了该单元先进控制系统。

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。