查询词典 lead tetraethyl

Tetraethyl lead was determined inderictly by conversion of chemical reaction, and compared with AAS, the results were satisfying.

本文的研究可以为mTAS进一步对环境中有毒金属的形态进行分析、测定生化样品打下基础。

Leaded gasoline exhaust pollution of traditional gasoline with the production process of tetraethyl lead as an anti-explosive agent.

、含铅汽油的废气污染传统汽油生产工艺中以四乙基铅作为防爆剂。

Tetraethyl lead is a Class B poison and environmentally unacceptable for health reasons.

四乙基铅是乙种的毒物并且在健康理由方面被环境所不能接受的。

The harmful components of CNG vehicle tailgas discharges is only 13% of that in gasoline vehicle, and noise reduced 10%, no tetraethyl lead deposit.

CNG汽车尾气中的有害物质排放量只相当于汽油车的 13%，噪音降低约 10 %，并根除了对人体危害极大的四乙铅的排放。

Tetraethyl lead is usually added to gasoline as an anti-detonating agent.

铅及其化合物都有毒，致使铅污染和中毒成为重金属污染中之最重。

Of gasoline containing tetraethyl lead .

含有四乙铅的。

It also can be used in the manufacture of sodium hydroxide , vitamins, spices, dyes, sodium amalgam, tetraethyl lead, titanium and oil refining and so on.

可用于制造氰化钠、维生素、香料、染料、钠汞齐、四乙基铅、金属钛等，还可用于石油精制等方面。

Anti-knock additive tetraethyl lead,vapor pressure,cetane number and content of aromatic hydrocarbon,ethylenes,sulfur and oxides respectively in the motor fuel are more detailedly analysed in regard to their effect on motor vehicle exhaust emission.

较为详细地分析了燃油中四乙铅抗爆剂、芳烃含量、烯烃含量、硫含量、蒸气压、十六烷值及含氧化合物等对汽车排放的影响，并简述了其发展趋势。

Objective Widespread used as gasoline oxygenate additives, methyl t-butyl ether were added to gasoline to enhance the octane number, reduce carbon monoxide in exhausts and to substitute for tetraethyl lead as an anti-knock agent.starting in the winter of 1992, MTBEup to 15wt.

研究目的甲基叔丁基醚(Methyl Tert-Butyl Ether，MTBE)是一种新型的汽油添加剂，主要用来增加汽油辛烷值，提高汽油燃烧效率，减少汽车尾气中一氧化碳等有害物质的排放，并代替四乙基铅用作汽油防爆剂。

Automobile exhaust tetraethyl lead is a highly toxic substance.

在很低的浓度下，铅的慢性长期健康效应表现为：影响大脑和神经系统。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。