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.
运用静态激光光散射和动态激光光散射对粒子的表观分子量及其粒径大小与分布进行了表征。
The apparent molecular weight of the particles and their sizes and distribution were characterized by using static laser light scattering (SLLS) and dynamic laser light scattering (DLLS).
研究了豌豆淀粉的颗粒性质,包括颗粒的形貌、X光衍射图样、链淀粉含量、分子量分布、溶解度与膨胀度等。
Some properties of the pea starch granules were studied, including microphoto, graphic form, X-ray diffraction pattern, amylose content, molecular weight distribution, solubility and swelling power.
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.
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.
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。
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.
从内聚能的角度建立了含共聚组成、序列不均匀性的共聚物分子量及分布理论,导出其计算式。
The molecular weight theory and calculation equation of copolymer were set up after consideration with the influence of composition and sequence distribution.
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.
本文对奥地利e BEWE公司及国内8家药厂生产的脑活素类注射液的肽色谱图及分子量分布进行分析比较。
In this article the peptide chromatograms and molecular weight distribution of Cerebrolysis Injection from the EBEWE co in Austria and 8 domestic manufactures were analyzed and compared with.
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.
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。
Various fractions of tannins with different polarities and relatively narrow molecular weight distribution were obtained by extractions using ether and ethyl acetate sequently .
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.
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.
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.
超过滤和葡聚糖凝胶g 200实验,显示了其分子量的范围和分布。
The ultrafiltration and chromatographic experiments on Sephadex G-200 showed the range and the distribution of molecular weight.
中间级分的分子量分布较宽。
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.
模型模拟结果显示模型计算的分子量及其分布、聚丙烯产量与工业数据较好的吻合。
The model contains a single set of kinetic and thermodynamic parameters that accurately predicts the polymer production rate, molecular weight, and polydispersity index.
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.
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.
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.
以高氯酸锌为催化剂,环氧乙烷和低碳醇反应生成窄分子量分布的乙二醇单低碳醇醚,确定了适宜的工艺条件。
Reaction of lower primary alcohol and ethylene oxide was studied by zinc perchlorate as catalyst, and the products are narrow distributed. The suitable process conditions have been established.
通过提供橡胶、塑料、合成纤维等高分子的平均分子量及分子量分布曲线等数据,提供高分子的多种物性信息。
Acquiring data such as polymer molecular weight and molecular weight distribution curve of rubber, plastics, and synthetic fibers to provide a variety of physical properties of polymer information.
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.
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.
聚对苯二甲酸乙二酯(PET)薄膜经固相缩聚反应后,用凝胶色谱法测定产物的分子量、分子量分布和环状齐聚物含量。
Polyethylene terephthalate (PET) films were polymerized in solid phase, the molecular weight, molecular weight distribution (MWD) and cyclic oligomer content of the products were determined by GPC.
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.
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。
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.
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