This is a work to improve viscousproperty 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。
2
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。
3
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.