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The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构可以分为两类,渡金渡金氮化物、碳化物碳氧化物

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The reason for the fail of carbon nitride synthesis was analysed and relevant graphitoid carbon nitride and unformed carbon nitrides were introduced in the article.

分析了妨碍碳氮化物合成成的原因,对相关的类石墨的碳氮化合物无定型的碳氮化合物作了介绍。

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exceeded, exceeding, exceedingly, excel, excelled, Excellen, excellence, Excellency, excellent, excellently,

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3G, 401(K), a,

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" Azidoazide azide" , the most explosive chemical compound ever created.

氮化物,史上最易爆炸人造化合物。

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经济学人 Science and technology

In essence, the azide and the alkyne are like the two halves of a snap-together buckle.

从本质上讲,叠氮化物和炔烃就像个扣在两半。

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If I worked with Azidoazide Azide, waking up every morning, and seeing that I still had all my fingers would be a very exciting discovery.

我研究叠氮化物,每天早上醒来发现自己手指都还健在话,那倒是项令人振奋发现。

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经济学人 Science and technology

Copper ions are frequently poisonous to biological systems.So Dr Bertozzi decided to work on a way to make azides and alkynes react without their involvement.

铜离子通常对生物系统有毒。因此,Bertozzi 博士决定研究种方法,使叠氮化物和炔烃在没有它们参与情况下发生反应。

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except for, exceptable, exceptant, excepted, excepting, exceptio, exception, exceptionable, exceptionably, exceptional,

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