相对分子质量分布变宽。
相对分子质量分布对降凝效果的影响不明显。
The distribution of the molecular weight had no significant effects on the depression.
讨论了增稠剂的相对分子质量和相对分子质量分布与其增稠性能的关系。
The relationship between the molecular weight, distribution of molecular weight of the thickener and the performances thereof is discussed.
复合助催化剂的类型及浓度对催化活性及相对分子质量分布都有显著的影响。
The effect of types and concentrations of co-catalysts on polymerization activities and MWD is remarkable.
探讨了用复合酶法制备鱼是鱼活性寡肽及其氨基酸组成和相对分子质量分布情况。
This paper deals with the preparation of anchovy active oligopeptide by complex protease and distribution of the molecular weight as well as the amino acids component.
文中对乌鸡精、乌鸡肽和乌鸡汤蛋白质含量及蛋白质相对分子质量分布区间进行了比较。
The protein content and the molecular weight distribution of black-bone chicken peptides (BCP) , black-bone chicken essence (BCE) and black-bone chicken soup (BCS) were compared in the paper.
结论猪源与牛源制品成分类似,多肽总含量接近,但具体组分的相对分子质量分布有所差异。
Conclusion the products from pig and cattle were similar, the peptide contents were close to eac...
采用葡聚糖凝胶G-25分子筛层析及SDS-PAGE对混合肽进行了相对分子质量分布范围的分析。
The range of molecular weight of soybean peptides was analysed by Sephdex G-25 and SDS-PAGE.
用双金属氰化物(DMC)络合催化剂可制得相对分子质量高、相对分子质量分布窄和不饱和度低的聚醚多元醇。
The polyether polyols which has higher molecular weight, narrower molecular weight distribution and lower unsaturation can be prepared by using double metal cyanide (DMC) complex catalysts.
文中研究基于径向基(RBF)神经网络算法的内模控制策略在苯乙烯本体聚合反应相对分子质量分布控制领域的应用。
A nonlinear internal model control (IMC) strategy based on radial basis function (RBF) network models was proposed for bulk polymerization of styrene.
实验发现,用DMC催化剂合成的聚醚与用KOH催化剂合成的聚醚相比不饱和度低,相对分子质量高,相对分子质量分布窄。
The polyether polyols prepared by these DMC catalysts are of low unsaturation, high relative molecular mass, narrow molecular distribution compared with traditional KOH catalysts.
相对分子质量分布结果表明,体系主要存在2肽到5肽的多肽类物质,HPLC图谱中对应峰面积约占总面积的76.99%。
The distribution of molecular weight measured by HPLC indicated that the peptides were mainly composed of 2-5 amino acid residues, and the corresponding peak area was 76.99% on the total area.
采用凝胶渗透色谱仪测试其数均相对分子质量为78 650,重均相对分子质量为125 446,相对分子质量分布为1.59。
The number average molecular weight was determined as 78 650, the weight average molecular weight as 125 446, the molecular weight distribution as 1. 59 by gel permeation chromatography.
高压聚合试验中 负载型APE-1和APE-2催化剂按照摩尔 比1:1复配,可以得到相对分子质量分布大于4的茂金属聚乙烯。
The metallocene polyethylene with a relative molecular weight distribution higher than 4 could be obtained by using the combined catalyst having 1 : 1 molar ratio of APE-1/APE-2.
当聚合物的相对分子质量及其分布宽度相同时,随着岩心渗透率变异因数的增大,其聚合物驱采收率也随之增加。
When polymer relative molecular mass and its distribution width are the same, the polymer displacement efficiency increases with the increment of the core permeability variation factor.
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.
使用凝胶渗透色谱仪(GPC)测定了丁苯橡胶(SBR)及聚苯乙烯(PS)和高冲聚苯乙烯(HIPS)在不同生产工艺条件下的相对分子质量及其分布的变化。
The variation of relative molecular mass and its distribution in the process of SBR and PS (HIPS) were determined by gel permeation chromatograph (GPC).
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。
Gel Permeation Chromatography was used to determine the distribution and average molecular weight of polyether polyols.
目的:采用两种方法测定硫酸软骨素钠的相对和绝对分子质量及其分布,并对两种分析方法进行比较。
Objective: to determine the relative and absolute molecular weight (Mw) as well as Mw distribution of chondroitin sulfate sodium, and to compare the two analysis methods.
通过对近年来国内外的文献综合,讨论了反应单体、聚氧烷基链和端基的选择、聚合物相对分子质量及其分布、减水剂添加量等对减水剂性能的影响因素。
The select ion of reactive monomer and oxyethylene group number, molecular weight of copolymer and its distribution, influence of terminal group and the amount of reducing agent added were discussed.
通过对近年来国内外的文献综合,讨论了反应单体、聚氧烷基链和端基的选择、聚合物相对分子质量及其分布、减水剂添加量等对减水剂性能的影响因素。
The select ion of reactive monomer and oxyethylene group number, molecular weight of copolymer and its distribution, influence of terminal group and the amount of reducing agent added were discussed.
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