ultra-high relative molecular weight polyethylene 超高相对分子质量聚乙烯
super-high relative molecular weight 超高相对分子质量
high relative molecular weight polyethylene 高相对分子质量聚乙烯
The production technologies of PVA with ultrahigh relative molecular weight mass and high stereo-tacticity were introduced.
介绍了超高相对分子质量和高立构规整度的PVA 制备方法；
A small amount of high molecular weight HDPE was added into relative low molecular weight HDPE under compound stress field to extrude pipe.
将少量相对高分子量的高密度聚乙烯(HDPE)加入到相对低分子量的通用级HDPE中，在复合应力场作用下挤出制成管材。
Kerogens have a high molecular weight relative to bitumen, or soluble organic matter.
相对于沥青质或可溶性有机物而言，干酪根的分子量高。
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