查询词典 xylene

At present the company's main wax, run toluene, xylene and other /chemicals.

目前公司主营石蜡，兼营甲苯、二甲苯等化工产品。

The device was found to have low sensitivities to xylene and methane.

对甲烷和二甲苯也有微弱反应，但是其灵敏度很低。

In this paper, the preparation and characteristic of gas sensor based on carbon nanotubes for formaldehyde, benzene, toluene and xylene detection were discussed.

论文对基于纳米碳管的气体传感器对甲醛、苯、甲苯和二甲苯这四种有机挥发物的气敏特性做了初步的研究和探讨。

ConclusionThe injury of xylene to human peripheral blood lymphocytes is significant.

二甲苯对正常人外周血淋巴细胞DNA有显著损伤作用。

In this paper, study and experiment of the removal of benzene, toluene, xylene and trichloroethlene of oil-contaminated in soil commonly have been finished.

本文针对常见的石油污染物苯、甲苯、对二甲苯和TCE进行了生物通风过程的实验和理论研究。

Objective: To establish the method of detecting methanol, benzene, toluene and xylene with gas-chromatography in the air of workplace.

目的：探讨一次采样气相色谱同时测定工作场所中甲醇、苯、甲苯和二甲苯的方法。

The reaction proceeded in xylene at 120 ℃ for 10 h to give bromoxynil octanoate in 91% yield.

以DMF、三乙胺为催化剂，在溶剂中，用辛酸直接合成了溴苯腈辛酸酯，实现由酸合成酯的一步反应。

Objective: To explore the effects of genital endocrine hormone exposure to benzene, toluene, xylene in femaleworkers.

目的：探讨苯系物对接触女工生殖内分泌激素的影响。

There is further research of selectivity of zeolite molecular sieve to adsorbing and separating mixed xylene in this thesis.In recent years.

吸附分离工艺的关键技术之一是吸附剂的制备，本文就对吸附分离二甲苯所用吸附剂的制备和改性效果作了更进一步的研究。

When an effective dosage of benzene, Xylene or phenol was added Zebra fish would loss their swimming activity and proceed to death.

将一次有效剂量的苯、二甲苯及苯酚加入时，鱼会丧失游动能力直至死亡，且伴随着鱼体光子辐射的明显变化。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。