The results showed it might raise the heat st resistance of casting polyurethane to use the compound chain extender of MOCA ad TMP and quartz powder.

试验结果表明：MOCA与TMP并用作为交联剂及填加无机耐热填料石英粉可提高聚氨酯耐热性。

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A kind of polymer is simplified to be an one-dimensional compound chain, the localized vibration modes caused by one defect in this kind of polymer are discussed.

将聚苯胺等一类聚合物简化成一维复式线性链，讨论了这一类聚合物仅含一个点缺陷时的振动模。

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The chain drive RIGS are driven by the integral enclosed compound chain box and torque converter. During rig moves, the chains can be dismantled for ease of installation.

链传动钻机采用整体密闭式并车链条箱与变矩器统一驱动形式，在钻机搬家时无需拆装链条，可实现快速安装。

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Nitrogen, a basic organic compound, is then simply incorporated back into the food chain.

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