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

以苯胺和溴原料,用四基氢铵作相转移催,常压下合成N,N二基苯胺。

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nonadvantageous, nonadverbial, nonaerosol, nonaerospace, nonaesthetic, nonaffixal, nonage, nonageing, nonagenarian, nonagenary,

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3G, 401(K), a,

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

而四乙基能够提高汽油燃点,解决提前燃烧

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物简史

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,很容易提炼和开采,大规模生产极其有利可图,四乙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.

除了能当酒类增甜剂和油漆添加剂之外,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

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物简史

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,对种名叫四乙化合物作了研究,发现它能大大减少震动现象,即所谓发动机爆震。

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nonaxisymmetrical, nonaxisymmetry, nonbacteria, nonbank, nonbearingconcrete, nonbeing, nonbeliever, nonbelligerency, nonbelligerent, non-belligerent,

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3G, 401(K), a,
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