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N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

以苯胺和溴乙烷为,乙基化铵作相化剂,在常压下合成N,N二乙基苯胺。

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fustian, fustic, fustigate, fustigation, fustin, fustine, fustiness, fusty, fusula, fusulae,

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The tetraethyl lead increased the ignition temperature of the gasoline eliminating pre-ignition.

而四乙基铅能够提高汽油燃点,解决提前燃烧问题。

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上周今夜秀

It burns without use of tetraethyl lead, eliminates an EPA problem, It employs people in America.

它在燃烧时不使用四乙基铅,解决了环保署问题,它为美国人提供了就业。

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万物

On the other hand, lead was easy to extract and work, and almost embarrassingly profitable to produce industrially, and tetraethyl lead did indubitably stop engines from knocking.

方面,铅很容易提炼和开采,生产极其有利可图,四乙铅确实可以防止发动机爆震。

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In addition to its use as a wine sweetener and a paint improver, lead offered even more benefits as a gasoline additive in the form of a compound known as tetraethyl lead.

铅除了能当酒类增甜剂和油漆添加剂之外,铅种化合物作为汽油添加剂还能提供更多好处,也就是四乙基铅。

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万物

In 1921, while working for the General Motors Research Corporation in Dayton, Ohio, he investigated a compound called tetraethyl lead (also known, confusingly, as lead tetraethyl), and discovered that it significantly reduced the juddering condition known as engine knock.

1921年,他在位于俄亥俄州代顿通用汽车研究公司工作期间,对种名叫四乙铅化合物作了研究,发现它能减少震动现象,即所谓发动机爆震。

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