平均相对分子质量

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 .

重油的平均相对分子质量和环化程度越高，KL值越小；

The higher the average molecular weight of heavy oil or their ring formation , the lower the KL value .

结果表明，相同质量浓度的黏度平均相对分子质量（Mr）相近的聚合物溶液中，带有较多支链的黏度较高；

The results showed that when polymers with similar molecular weights were studied , solutions of those with more branches showed higher viscosity .

GPC法测定PAN的平均相对分子质量及其分布

GPC measurement for average relative molecular mass and distribution of polyacrylonitrile

从GPC和特性粘数计算高聚物各种平均相对分子质量的新方法

Reliable Determination of Molecular Weights of Polymers by GPC Intrinsic Viscosity Method

当异丙醇为溶剂时，EVA的平均相对分子质量为1.32×104。

951 . When isopropyl alcohol as solvent , the molecular weight of EVA is 1.32 × 10 ~ 4 .

EVA降凝剂的相对分子质量分布的宽窄对降凝效果的影响不大，平均相对分子质量在1.2×104时降凝效果较好。

When the average relative molecular mass of EVA is 1.2 × 104 , the effect of EVA is best . The distribution of relative molecular mass has little influence .

对共聚物PDA的平均相对分子质量、结构表征、残留单体的含量和阳离子单体转化率等的测定方法进行了系统阐述。

Methods used for determining the average molecular weight of PDA , amount of residual monomers , characteristics of product structures and conversion rate of cationic monomer were systematically described .

研究开发出一种新型引发系统，可以较准确地聚合所希望的平均相对分子质量大小的APAM。

The APAM with expected average molecular weight was obtained easily by copolymerization using a novel inducing system .

产品的平均相对分子质量2000～3000，在425nm和450nm下透光率均大于96%。

The average molecular weight of GW-944 obtained is between 2000 and 3000 , and the transparency is over 96 % under 425 nm and 450 nm .

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 .

以K2S2O8和K2S2O8/FeSO4为诱发剂、以运动粘度为指标研究了聚丙烯酰胺（PAM）氧化降解的最佳工艺条件，考察了降解前后平均相对分子质量、化学需氧量（COD）和溶液有机组成等方面的变化。

The changes in viscosity , average relative molecular weight , chemical oxygen demand ( COD ) and organic substance of the solution were studied when K_2S_2O_8 or K_2S_2O_8 / FeSO_4 was added into the polyacrylamide ( PAM ) solution , which induced the degradation of PAM in aqueous solution .

老化之后平均相对分子质量显著增大。

The average molecular weight of the asphalt increased in ageing .

光度法测定甲壳低聚糖的平均相对分子质量

Determination of Mean Relative Molecular Mass of Chitosan-oligosaccharide by Photometric Analysis

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 .

6种大米支链淀粉的平均相对分子质量约为0.90×108～15.60×108g。

Relative molecular weight of rice amylopectins is about 0.90 × 108-15.60 × 108 g.

高效液相色谱法直接测定烷基苯磺酸钠的平均相对分子质量

Determination of Mean Relative Molecular Mass of Sodium Alkylbenzenesulfonates by High Performance Liquid Chromatography

石油馏分平均相对分子质量预测的神经网络方法

Prediction of the Average Relative Molecular Mass of Petroleum Fractions by Artificial Nerve Network

微波脱磺-气相色谱法测定直链烷基苯磺酸钠的平均相对分子质量

Determination of Mean Relative Molecular Mass of Straight-chain Sodium Alkylbenzene Sulfonates by Gas Chromatography with Micro-wave Assisted Desulfonation

结果表明，随着反应温度的升高，重质产物的芳香度增大，芳环上取代基碳链减短，平均相对分子质量减小、分布变窄。

The effects of reaction conditions on TLC composition , structural parameters and mean relative molecular mass of HTSF were investigated .

对同一种重油，随各组分平均相对分子质量增大，分子尺寸也相应增大。

For the same heavy oil , the molecular size of heavy oil fractions increases as the average relative molecular weight increase .

用离子对高效液相色谱法测定直链烷基苯磺酸的碳数分布和平均相对分子质量

Determination of the C number Distribution and Average Molecular Weight of Linear Alkylbenzene Sulfonic Acid by Paired ion High Performance Liquid Chromatography

所测得的烷基苯磺酸的平均相对分子质量与气相色谱法相比，相对偏差不大于0.1%。

This method was compared with that of desulfonation GC and the relative deviation of LAS average molecular weight is less than 0.1 % .

对多环芳烃树脂进行了初步评价，结果表明：两种后处理工艺路线（溶剂沉降过滤法和减压蒸馏拔头法）得到的多环芳烃树脂平均相对分子质量较低，具有较好的热稳定性。

The preliminary evaluation indicated that the resins obtained by two after-treatment processes had better thermal stability , although they had lower average molecular weight .

根据正态分布的分析，计算了正构烷烃的平均相对分子质量μ和碳数分布方差σ2。

The mean relative molecular mass of n-paraffin and the carbons distribution variance σ 2 have been calculated based on the analysis of normal distribution .

以硝基苯为溶剂所测得的沥青质平均相对分子质量更能反映沥青质化学结构的实质。

More insight into the physical / chemical structure of asphaltene can be virtually gained by determining its average relative molecular mass with nitrobenzene as the solvent .

结果表明，孤岛原油中石油羧酸平均相对分子质量在490左右，脂肪酸中C14~16成分占50%以上；

Results indicate that the average molecular weight of the petroleum acids is about 490 . The C14 ~ C16 components cover nearly 50 % in total petroleum acids .

在此条件下，氨基氮得率为0.75（g/100g样），肽分子平均相对分子质量为542。

In this condition , the output rate of amino nitrogen is 0.747 ( g / 100 g pattern ), the average formula weight of peptide molecule is 542 .

结果表明：随着破碎温度的增加，番茄浆中果胶物质的平均相对分子质量增加.但当破碎温度为90℃时，果胶物质的平均相对分子质量却有所下降。

The average molecular weight of pectic substances in tomato pulps increased with the increasing breaking temperatures , while the value decreased when tomato was broken at 90 ℃ .