结果表明改性栲胶溶液黏度下降，相对分子质量降低且分布集中。
It shows that the solution viscosity drops and the relative molecular mass reduces with narrow distribution.
研究了采用油溶性催化剂XAGD - 2催化改质胜利稠油过程中稠油黏度、组成和平均相对分子质量的变化。
The changes of viscosity, hydrocarbon composition and average relative molecular mass of Shengli heavy oil in catalytic upgrading by oil-soluble catalyst XAGD-2 were investigated.
通过物理模拟方法，研究杏北油田二类油层聚合物相对分子质量、注入速度、段塞大小、聚合物溶液黏度、不同注聚方式对驱油效果的影响。
Researches have been carried out in the second reservoir by physical modeling method to find out the formula weight of the polymer, injection rate, slug size and viscosity of the polymer solution.
采用黏度法测定膦基聚马来酸的相对分子质量为852、相对密度为1。
The relative molecular weight is 852 by using viscometry, its relative density is 1.
测定了产物的取代度、特性黏度、 相对分子质量、 吸湿保湿性，并用IR、NMR进行结构表征。
The DS, intrinsic viscosity and weight-average molecular weight of the products were calculated. The products were characterized with IR and NMR spectroscopy.
测定了产物的取代度、特性黏度、 相对分子质量、 吸湿保湿性，并用IR、NMR进行结构表征。
The DS, intrinsic viscosity and weight-average molecular weight of the products were calculated. The products were characterized with IR and NMR spectroscopy.
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