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A comparison was made among the cure characteristics and physical properties of three different substituted thiuram accelerators in NR.

对3种不同取代基类促进剂在天然橡胶中及物理能进行了比较。

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Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.

乙胺和碳为原料,经双氧水(275%)氧,一步合成了四乙基

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by itself, by leaps and bounds, by means of, by mistake, by nature, by no means, by oneself, by reason of, by rights, by sea,

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3G, 401(K), a,

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