Molecular weight distribution of PUVSi has broaden.
相对分子质量分布变宽。
The molecular weight distribution of intermediate is wider.
中间级分的分子量分布较宽。
The polyester type photoresists made by melt polycondensation have wide molecular weight distribution.
用熔融缩聚法含成的聚酯型光刻胶有较宽的分子量分布。
And by improving the craftwork of precipitation of PCS, the narrow molecular weight distribution of PCS was got.
并改进了逐步沉淀分级工艺,对PCS进行沉淀分级,得到了窄分布的分级样品。
The molecular weight distribution of enzymatic hydrolysates from rice bran soluble protein was determined using HPSEC.
采用高效凝胶过滤色谱(HPSEC)研究了米糠可溶性蛋白不同蛋白酶水解产物的分子量分布范围。
The average molecular weight and molecular weight distribution were determined with acid hydrolyzed iron dextran samples.
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 molecular weight distribution of three kinds of epichlorohydrin elastomers has been studied by using a simple GPC colum.
用简易GPC柱研究了三种类型氯醇弹性体的分子量分布。
The results show that, the melting spinnability of PCS can be estimated by softening point and molecular weight distribution.
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。
It introduced the gel chromatography to determine the average molecular weight and molecular weight distribution of high polymer.
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。
The rigidity and the crystallinity decreased, the molecular weight distribution becomes wider, improve the foaming properties of PP.
刚性和结晶度下降,分子量分布变宽,提升了PP发泡性能。
The controlling methods of polymeric dispersant with low polymerization degree and narrow molecular weight distribution were introduced.
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 relationship between molecular weight distribution of phospholipids reverse micelle in soybean miscella and temperature was analyzed.
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。
All the HPS were the mixed products, whose MS had no clearly quantitative relation to the molecular weight distribution of the solid HPS.
在羟丙基醚化反应中淀粉发生降解,产物MS与分子量变化无明确的定量关系。
The relative molecular weight distribution and the concentration of organic matters had significant effect on coagulation removal of iron.
有机物的分子量分布和浓度对混凝除铁有很大影响。
The graft copolymer of cationic starch and APAM with narrow molecular weight distribution was prepared and used for dry-strengthening agent.
用阳离子淀粉接枝窄相对分子质量阴离子聚丙烯酰胺制备干增强剂。
Lower molecular weight and broader molecular weight distribution in thermoplastics favor lower orientation and reduced internal stress in moldings.
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。
Viscosity is a general parameter reflecting the molecular weight, molecular weight distribution, and polymer solution concentration of acrylic fiber.
粘度是反映腈纶分子质量、分子质量分布和聚合物浓度的一项综合参数。
By controlling different hydrolyzing condition, collagen hydrolysate with different molecular weight distribution could be achieved for different use.
通过控制碱法的不同水解条件,可获得分子量在一定范围内的胶原蛋白水解物,以适合不同的用途。
The molecular weight distribution of sulfonated polysulfone, expressed in terms of intrinsic viscosity distribution, has been determined by GPC method.
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 changes in the molecular weight and molecular weight distribution index of the resin during the semi-continuous polymerization were also researched.
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 expressions of the molecular weight distribution function and the average degrees of polymerization have been derived, and four special cases were discussed.
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 fraction with smaller molecular weight, molecular weight distribution and lower content of short chain branching could form thinner and more uniform laminar crystals.
较低摩尔质量且支化度小的窄摩尔质量分布级分具有较完善、分布更加均匀的薄片晶结构。
As results, the morphological structure of the product was close to that of the abroad with suitable molecular weight distribution, isotacticity and section distribution.
试产结果表明该方法有效地控制了分子量和等规序列长度及其分布,微观结构与进口料相近;
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.
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。
For solving the difficulty in the control of molecular weight distribution (MWD) of polymer product, MWD via neural network without any transcendental information is modelled.
为了解决聚合产品分子量分布控制的难题,将神经网络引入对其进行了无需任何系统内部先验知识的黑箱建模。
Styrene-acrylic resin, a typical one among all alkali-soluble resins, has the criteria of low molecular weight, narrow molecular weight distribution, high acid value and low Tg.
在碱溶性树脂中,以低分子量、窄分子量分布、高酸值、较低玻璃化温度的苯乙烯—丙烯酸共聚树脂(简称苯丙树脂)最具代表性。
Various fractions of tannins with different polarities and relatively narrow molecular weight distribution were obtained by extractions using ether and ethyl acetate sequently .
通过乙醚和乙酸乙酯萃取可得到极性不同的组分。分析表明,各级分的分子量分布范围不同,且相对较窄。
The molecular weight distribution and content of organics in membrane bioreactor were analyzed with the combination of steric exclusion chromatography and refractive index detector.
本研究将空间排阻液相色谱和示差折光检测器联用,测定膜生物反应器中有机物的分子量分布特性并进行定量分析。
The microstructure, molecular weight, molecular weight distribution, glass transition temperature and dynamic properties of synthesized SIBR were characterized by IR, GPC, DSC, DMA.
采用IR、GPC、DSC、DMA等仪器对合成的SIBR的微观结构、分子量大小及分布、玻璃化转变温度和动态力学性能进行了分析测试。
The half-metallocene of the elements V, Nb and Ta in VB group could be used in the polymerization of olefin to prepare polymer with rather narrow molecular weight distribution (1.05).
VB族元素钒、铌、钽的单茂金属化合物作为烯烃催化剂可得到分子量分布相当窄(1.05)的聚烯烃;
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