老化之后平均相对分子质量显著增大。
凝胶层析法测定海芋多糖的平均相对分子质量；
Average relative molecular weight was estimated by gel column chromatograph.
比如dna分子中碱基的平均相对分子质量是650等等。
DNA element is for instance medium alkaline base quality of average and opposite element is 650 etc.
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。
The VPO average molecular weight of vacuum residues and asphaltenes all decreased.
结果表明：原料含氢硅油的平均相对分子质量、PPEPS的硅含量对其应用性能有影响。
Application experiment results show that average molecular weight of staple methyl hydrogen silicone and si content of piperazine modified polyether polysiloxane have effects on PPEPS performance.
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.
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.
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