中间级分的分子量分布较宽。
随分子量分布加宽切片的热性能变差。
AS MWD of PET widens, the thermal performance of PET chips is becoming bad.
有机物的分子量分布和浓度对混凝除铁有很大影响。
The relative molecular weight distribution and the concentration of organic matters had significant effect on coagulation removal of iron.
用熔融缩聚法含成的聚酯型光刻胶有较宽的分子量分布。
The polyester type photoresists made by melt polycondensation have wide molecular weight distribution.
介绍了低聚合度、窄分子量分布的聚合物分散剂的控制方法。
The controlling methods of polymeric dispersant with low polymerization degree and narrow molecular weight distribution were introduced.
刚性和结晶度下降，分子量分布变宽，提升了PP发泡性能。
The rigidity and the crystallinity decreased, the molecular weight distribution becomes wider, improve the foaming properties of PP.
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。
It introduced the gel chromatography to determine the average molecular weight and molecular weight distribution of high polymer.
分析了大豆混合油中磷脂反相胶束的分子量分布和温度的关系。
The relationship between molecular weight distribution of phospholipids reverse micelle in soybean miscella and temperature was analyzed.
利用高效凝胶排阻色谱技术分析超滤滤过液的相对分子量分布。
The relative molecular mass of permeates was investigated by high performance size exclusion chromatography.
引发剂用量增大时，树脂的分子量下降，但分子量分布变化不大。
When the initiator amount added increases, MW of the resin decreases while MWD changes a little.
采用凝胶过滤色谱法研究了木聚糖在酶解过程中分子量分布的变化。
The changes of the molecular weight distributions of xylan during enzymatic hydrolysis have been investigated with gel filtration chromatography.
结果表明，可以用软化点加分子量分布来判断PCS的熔融可纺性。
The results show that, the melting spinnability of PCS can be estimated by softening point and molecular weight distribution.
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。
The average molecular weight and molecular weight distribution were determined with acid hydrolyzed iron dextran samples.
其次，本文研究了肽中氨基酸组成的定量分析方法和肽分子量分布的分析。
Secondly, the analysis of the composition of amino-acids and the distribution of molecular weight of peptides were studied.
求得了分子量分布函数和平均聚合度的解析表达式，并讨论了四种特殊情况。
The expressions of the molecular weight distribution function and the average degrees of polymerization have been derived, and four special cases were discussed.
论文通过测定分子量分布的手段来考察混凝和粉末活性炭去除有机物的效果。
The effect on removal of organics by coagulation and PAC was evaluated by means of determining distribution of MWC.
本文还讨论了这些聚硅烷的分子量分布以及红外、紫外、核磁共振等光谱性质。
The molecular weight distributions, infra-red, ultraviolet and nuclear magnetic resonance spectra for the polysilane polymers have been described.
合成时应对此进行严格控制和调整，使LGV产物具有合理的平均分子量分布。
The reaction temperature should be controlled in order to make LGV samples have proper average molecular mass.
本文用gpc法测定了磺化聚砜的分子量分布，它是以特性粘数的分布来表示的。
The molecular weight distribution of sulfonated polysulfone, expressed in terms of intrinsic viscosity distribution, has been determined by GPC method.
结论牙托粉的分子量和分子量分布对义齿基托的挠曲强度和冲击强度有较大影响。
Conclusion the molecular weight and the distribution of molecular weight of denture base powder obviously affect flexure strength and impact strength of denture base.
采用G - 25凝胶过滤层析法测定了乳清水解物及其超滤液的分子量分布范围。
The molecular weight (MW) distribution of whey protein hydrolysate was determined by G-25 gel chromatography.
发现烯丙基卤可以大幅度调节聚合物的分子量，对分子量分布也有一定的调节作用。
It is found that the allyl halide can considerably adjust the molecular weights, and also in some degree their distribution.
考察了不同反应条件对产物的总氯含量、环氧值、色度、分子量及分子量分布的影响。
The effect of reaction conditions on total chloride content, epoxy equivalent weight, color, molecular weight and its distribution of products was investigated.
本研究还考察了半连续聚合反应进程中苯丙树脂分子量和分子量分布指数的变化规律。
The changes in the molecular weight and molecular weight distribution index of the resin during the semi-continuous polymerization were also researched.
反应温度比反应时间对液化效率的影响大，二者均能影响液化产物的分子量和分子量分布。
The reaction temperature had the greater influence on the residue content than reaction time. Both reaction temperature and reaction time could affect the molecular characteristics of liquefied wood.
BOPP产品的物理性能主要由树脂的分子量、等规度、分子量分布这三个基本物性决定。
BOPP physics performance can be mainly decided by molecular weight, molecular weight distribute and isotactic of resin.
并用凝胶过滤色谱测定了不同DE值脂肪替代品的分子量分布，从而在分子水平上探讨胶凝机理。
The molecular weight distributions of components of the fat substitutes with different DE value were measured by GPC, as exploring the mechanism of the gel formation at molecular level.
本文讨论了减阻剂聚合物的分子量、分子量分布、分子结构以及不同物性的原油对减阻率的影响。
The effect of molecular weight, molecular weight distribution, molecular structure of the polymer and behavior of the crude oil on drag reducing efficiency are represented.
GPC测得共聚物的数均分子量为4934，多分散指数是1.978，具有较窄的分子量分布。
The data of GPC indicate that the number-average molecular is 4934 and the polydispersity is 1.978 with a narrow molecular distribution.
在热塑性塑料中较小的分子量以及较宽泛的分子量分布促成方向性减少同时降低注塑件中的内应力。
Lower molecular weight and broader molecular weight distribution in thermoplastics favor lower orientation and reduced internal stress in moldings.
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