查询词典 tar base

These findings provided some valuable information for further researches in coal tar hydro-upgrading process.

研究结果对煤焦油加氢改质工艺的深入研究提供了一定的理论基础和参考。

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。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。