The new dual-functional toughening agent SWR -3c was used to toughen nylon (PA) 6.

采用新型双官能化增韧剂swr—3c对尼龙(PA) 6进行增韧研究。

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Therefore, the antiscorching agent CTP is better than antiscorching agent PA and NDPA in the same case.

在用量相同的情况下， 防焦剂CTP的防焦效果优于防焦剂PA和NDPA。

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The micro structure and macro properties of PES/PA blend in the presence of compatible agent were studied through the tests of mechanical properties, rheologic properties, IR, DSC and SEM.

通过力学性能、流变性能的测试，以及IR、SEM研究了PES／PA 合金在相容剂存在下的微观结构与宏观性能。

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He is South Waziristan's political agent (PA), the government's chief representative in the area and the man whose job it is to keep the tribes in check.

ECONOMIST: Waziristan

PA, except as an agent for paying some 140, 000 civil servants, barely runs.

ECONOMIST: Palestine

"Before I'd put this property on the market, they would have to have a legal document" spelling out ownership and rights, says Sandy Yeatman, a real-estate agent in Kennett Square, Pa.

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