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1·The average molecular weight of the asphalt…

老化之后平均相对分子质量显著增大。

2·The VPO average molecular weight of vacuum residues and asphaltenes all decreased.

减压渣油和正庚烷沥青质的VPO平均相对分子质量都减小了。

3·Lower average molecular weight of LGV samples was unfavourable for the adsorption and hydration.

平均分子量太小，不利于产物的吸附与水化，平均分子量太大。

4·Different grades of crystal polystyrene molding pellets range from 150,000 to 350,000 weight average molecular weight.

不同牌号的结晶聚苯乙烯模塑粒料平均分子量范围从150,000 - 350,000。

5·Gel Permeation Chromatography was used to determine the distribution and average molecular weight of polyether polyols.

用凝胶渗透色谱测定聚醚多元醇的相对分子质量及其分布。

6·The number-average molecular weight and molecular weight distribution of the polymer were not sensitive to temperature.

温度升高， 聚合反应的转化率增加， 但产物的数均分子量及分子量分布无明显变化；

7·The average molecular weight and molecular weight distribution were determined with acid hydrolyzed iron dextran samples.

样品经酸水解，测得右旋糖酐铁中右旋糖酐的重均分子量和分子量分布。

8·The effects of ionic liquids on viscosity, hydrocarbon composition and average molecular weight of heavy oils are investigated.

研究了离子液体对稠油黏度、组成和平均分子量的影响。

9·The average molecular weight of polyoxytetramethylene glycol could be flexibly controlled by varying the amount of cocatalyst B.

辅助催化剂B的加入可灵活调整产品的数均分子量；

10·It introduced the gel chromatography to determine the average molecular weight and molecular weight distribution of high polymer.

介绍了用凝胶色谱法测定高聚物的平均分子量及分子量分布。