查询词典 lead tetraethyl

Development circumstances, characteristics, antiknock performance, syntheses and economic benefits of MMT are introduced in details and compared with tetraethyl lead. The significance and feasibilities of using MMT in our country are pointed out.

对MMT的发展状况、基本性质、抗爆性能、合成方法及经济效益等作了较详细的介绍，并与烷基铅进行比较，指出了MMT国产化的意义与可行性。

For leting drop quality fuel plenty of normal heptane have no lead tetraethyl ,Therefore be unlikely there not be the lead pollution .

这样：既没有多余的空气，混合相当充分、又不存在高温，更没有燃烧中相对的压缩，所以不可能产生不完全燃烧的CO、HC、PM和氮氧化物。

In recent years, both in research new metal organic complexes to replace tetraethyl lead.

近年来，各国均在研究新型的有机金属配合物来替代四乙基铅。

Automobile exhaust tetraethyl lead is a highly toxic substance.

汽车尾气中的四乙基铅是剧毒物质。

A substance, such as tetraethyl lead, added to gasoline to reduce engine knock.

抗震剂一种加在汽油中可以减轻发动机震动的物质，如甲乙基铅

Organlead and lead ion of environment waters were measured. tetraethyl lead was determined inderictly by conversion of chemical reaction, and compared with AAS, the results were satisfying.

对环境水中的有机铅及铅离子分别进行了测试，通过化学反应的转化，间接测定了汽油中的四乙基铅的含量，其结果与原子吸收方法比较，较为满意。

For leting drop qu***ty fuel plenty of normal heptane have no lead tetraethyl , Therefore be unlikely there not be the lead pollution .

因为低品质燃料多含正庚烷而不含抗爆剂四乙基铅，所以绝对不会有铅污染。

To produce lead tetraethyl solely because, a short time before the outbreak of the war, the Americans had established plants for us ready for production and supplied us with all available experience. In this manner we did not need to perform the difficult work of development because we could start production right away on the basis of all the experience that the Americans had had for years.

Sutton所写的《WALL STREET AND THE RISE OF HITLER 》一书中的资料，在1938年，德国空军急需500吨四亿铅添加剂，美国杜邦公司经过认真考虑，认为这样的需求肯定是用于战争目的，最终这批四乙铅通过纽约Ethyl出口公司借给了德国的Ethyl G.m.b.H。，这比交易纳粹德国航空部以及法本公司董事Mueller-Cunradi安排的。

For leting drop quality fuel plenty of normal heptane have no lead tetraethyl ,Therefore be unlikely there not be the lead pollution .

因为低品质燃料多含正庚烷而不含抗爆剂四乙基铅，所以不会有铅污染。

For leting drop quality fuel plenty of normal heptane have no lead tetraethyl ,Therefore be unlikely there not be the lead pollution .

因为低品质燃料多含正庚烷而不含抗爆剂四乙基铅，所以绝对不会有铅污染。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。