This is a work to improve viscous property of polytetrafluoroethylene turning plate by, mutual radiation grafting.

本文研究共辐射接枝法改善聚四氟乙烯车削板的粘接性能。

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The viscous flow property and the durability of asphalts, as well as their relationship, have been studied with the purpose of determining the durability as a function of the original properties.

为了用沥青的初始性质来判别其耐久性，研究了沥青的粘流性质和耐久性，及其相互关系。

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The unsatisfactory result related to the inferior biochemical property of viscous crude wastewater, as well as the test conditions and type of microbe selected during the test.

处理效果不明显与稠油废水可生化性差的性质有关，也与试验条件及选择菌种有关。

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