查询词典 tar on

From coal tar and hard soap and caustic soda, etc. made of mixture preparation.

由煤焦油和硬肥皂和苛性钠等配制而成的混合液。

It has recently re-gained some credibility as a safe alternative to steroids and coal tar.

它最近重新获得了作为一种安全的类固醇和煤焦油公信力。

In production and transportation process of coal gas, the coal tar has comparatively severe harmness.

煤焦油在煤气的生产、运输等过程中存在较大危害。

We have successfully modified coal tar pitch with divinylbenzene in this paper.

进行了二乙烯基苯改性煤沥青的中间相转化行为研究。

The effect of technologies for processing coal tar on the quality of pitch was analyzed on the basis of comparing different technologies at home and abroad.

摘 要：通过对国内外焦油加工工艺的比较，分析了不同工艺对沥青质量的影响。

China is still continuously expanding its coal tar processing capacity, because of short supply in domestic market.

由于国内焦油资源紧张，而煤焦油加工生产能力却仍在不断扩大。

Most medium- and small-sized coal tar processing companies will be eliminated during the industry upgrading.

大部分的中小焦油加工企业将被产业升级所淘汰。

Synthetic vanillin is prepared from coal tar, which has no radioactivity.

合成的香兰素是通过处理煤焦油而得来的，是没有放射性的。

The researchers now hope to find bacteria that break down cancer-causing pollutants in coal tar.

现在研究人员希望能在煤焦油中能找到分解致癌物的细菌。

Bath additives containing coal tar are particularly helpful in the treatment of psoriasis , although some people do not like the smell.

浴添加剂，含有煤焦油是特别有用，在治疗银屑病，虽然有些人不喜欢的气味。

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。