Rigid polyurethane foam is a polymer thermosetting heat preservation material, heat conduction coefficient 0.024 W / (m?
聚氨酯硬泡是一种高分子热固性保温材料，导热系数0.024W/（m?。
The effects of different chain extenders, amount of extenders, molecular weights of soft segments on the hydrolysis stability of polyurethane are studied and parameters Q, W are introduced.
研究和讨论了不同扩链剂、扩链剂的量以及软段分子量对聚酯型聚氨酯弹性体水解稳定性的影响，并引入了参数Q、W。
The results showed that three medical polymers (silastic rubber, polyurethane and segmented polyurethane silastic rubber) absorbed significantly more albumin than globulin, but no difference w...
结果发现前三种高分子材料吸附白蛋白量显著大于球蛋白，而后二种的吸附无显著差别。
The results showed that three medical polymers (silastic rubber, polyurethane and segmented polyurethane silastic rubber) absorbed significantly more albumin than globulin, but no difference w...
结果发现前三种高分子材料吸附白蛋白量显著大于球蛋白，而后二种的吸附无显著差别。
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