我国石油化工行业原油各生产加工环节的水的质量分数计量主要是靠原始的蒸馏化验方法来完成。
The quality fraction of the water of each production processing link of the petrochemical profession crude oil of our country is measured mainly to rely on original distillation method.
研究了PEG的相对分子质量、亲水链段的质量分数与抗静电剂效果之间的关系；
The effects of PEG relative molecular mass and hydrophilic segment content on the antistatic performance of the product were investigated.
通过超稠油水热裂解反应前后黏度、沥青质、硫质量分数等性质的变化，研究了超稠油进行水热裂解的主要影响因素及规律。
The main factors and rules in aqua-thermolysis reaction were analyzed through comparison of viscosity, asphaltene and sulfur content before and after super heavy oil upgrading.
结果显示，PEOR-150溶胀水凝胶膜的交联密度随辐射剂量的增加略有增加，但无统计学意义（P>0.05）；聚合物质量分数对其交联密度的影响无显著性差异（P>0.05）。
The experimental results show that the irradiation dose and mass fraction ofthe polymer do not produce a significant effect on the gel fraction, of the PEO R-150 water-swollen hydrogel films(P>0.05).
随着PEG质量分数的增加，膜孔隙率与水通量变大，最大拉伸强度、断裂伸长率等力学性能逐渐减小。
With the increasing of mass fraction of PEG, membrane porosity and pure water flux become larger, and the maximum tensile strength and elongation at break of the membrane criterion decrease gradually.
本试验采用相转移法，通过对溶剂、表面活性剂的筛选和配伍，确定了10%溴虫腈水乳剂的最优配方为溴虫腈质量分数为10%；
Through the screening and assembling of solvent, and surfactant, the optimum formulation of 10% chlorfenapy EW was developed as following by the phase transfer-method.
黏粒质量分数对土壤比水容量有较大影响，试验土壤在任一水吸力水平下的比水容量值均随其黏粒质量分数增大而增大。
The parameters of Gardner and van Genuchten soil water characteristic curve models went up with the increase of clay content. 2 soil clay content has a great effect on specific water capacity.
黏粒质量分数对土壤比水容量有较大影响，试验土壤在任一水吸力水平下的比水容量值均随其黏粒质量分数增大而增大。
The parameters of Gardner and van Genuchten soil water characteristic curve models went up with the increase of clay content. 2 soil clay content has a great effect on specific water capacity.
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