It is proved that LMPVC has lower plastication temperature, higher melt fluidity and better compatibility with high molecular mass PVC.
实验表明，这种LMPVC具有较低的塑化温度和较高的熔体流动性，且与高相对分子质量的PV C树脂有良好的相容性。
The polyether polyols prepared by these DMC catalysts are of low unsaturation, high relative molecular mass, narrow molecular distribution compared with traditional KOH catalysts.
实验发现，用DMC催化剂合成的聚醚与用KOH催化剂合成的聚醚相比不饱和度低，相对分子质量高，相对分子质量分布窄。
The blend membrane of the invention has the advantages of low contraction, high flux, adjustable cut-off relative molecular mass.
本发明的共混膜具有低收缩、高通量、截留相对分子质量可调节的优点。
Because of the connection between outflow and accretion seen in low-mass stars, surveys of molecular outflows in high-mass YSOs can shed light on this debate.
因为在低质量恒星形成中外流与吸积相联系，在大质量恒星形成区搜寻分子外流将有助于解决这种争论。
Polymer: Natural or synthetic plastic-like substances having molecule in a high relative molecular mass formed by the chemical linking of many simple molecules, of the same substance.
聚合物：类似塑胶的人造或天然物体。由许多简单而属于同一种物质的分子，通过化学结合而形成，并具有较高的相对分了质量。
Three high and new separation technologies are introduced in this article: molecular distillation technology, supercritical extraction technology, high efficiency centrifugal mass transfer technology.
本文介绍了三项高新分离技术：分子蒸馏技术、超临界萃取技术及高效离心传质技术。
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；
The relative molecular mass of permeates was investigated by high performance size exclusion chromatography.
利用高效凝胶排阻色谱技术分析超滤滤过液的相对分子量分布。
The glass transition temperature of hyperbranched polymers rises with the increase of molecular weight. When the relative molecular mass was high enough it remained the same.
超支化聚合物的玻璃化转变温度随分子量的增加先增大，当分子量足够大时玻璃化转变温度不再受其影响。
Ultra high relative molecular mass cross-linked alkene polymer was synthesized by bulk polymerization using metal complex as catalyst and 1, 5-hexadiene as cross-linking agent.
以金属配合物为催化剂、1,5 -己二烯为交联剂，采用本体聚合法合成了交联超高相对分子质量烯烃类聚合物(简称交联聚合物)。
Dialysis techniques are discussed as a means for effective removal of low-molecular-mass components from fermentation broth to reach high cell density.
本文讨论了有效利用透析技术从发酵液中及时转移低分子杂质混合物，从而获得高密度发酵细胞的方法。
Dialysis techniques are discussed as a means for effective removal of low-molecular-mass components from fermentation broth to reach high cell density.
本文讨论了有效利用透析技术从发酵液中及时转移低分子杂质混合物，从而获得高密度发酵细胞的方法。
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