片语

broad molecular weight distribution宽分子量分布

narrow molecular-weight distribution窄分子量分布

differential molecular-weight distribution示差分子量分布

molecular weight distribution curve分子量分布曲线

cumulative molecular-weight distribution累积分子量分布

molecular weight and distribution分子质量及分布

random molecular-weight distribution无规分子量分布

apparent molecular weight distribution分子量分布

英汉例句

• 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。

• We use GPC, NMR and IR to systematically characterize each step of the molecular weight, molecular weight distribution and structure and identify them as the polymer of expected structures.

  用GPC、NMR及IR对各步反应产物的分子量、分子量分布及结构进行了系统的表征，分别确认为预期结构的聚合物。

• 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 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.

  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 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.

  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。

• 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。

• Effect of different monomers, acid value, and reaction time, molecular weight and molecular weight distribution on the properties of the polyester resin was investigated by the ways of FTIR, GPC.

  利用凝胶渗透色谱测试树脂的分子量及分子量分布，研究了合成工艺对树脂粘度的影响，探索合理的聚酯树脂的生产工艺。

• 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。

• 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.

  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。

• 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。

• 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。

• Size-exclusion chromatography, as a special liquid chromatography, is used to determine the molecular weight distribution and preparatively separate the samples according to the molecular weight.

  排阻色谱法做为一种特殊的液相色谱技术可用于分子量分布的测定及按分子量的不同进行的制备分离。

• The molecular weight distribution of polycaprolactones gained were narrow.

  聚合产物的分子量分布较窄；

• 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.

  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。

• The number-average molecular weight and molecular weight distribution of the polymer were not sensitive to temperature.

  温度升高，聚合反应的转化率增加， 但产物的数均分子量及分子量分布无明显变化；

• 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。

• Presented in the paper is a study of molecular weight distribution of organic matter and the removal of organic matter by using coated filter media and activated carbon in combination.

  研究了改性滤料和活性炭去除有机物的分子量分布特性，以及二者结合使用时去除有机物的特性。

• 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。

• The effects of initiators and thermal initiation on a reaction rate, molecular weight and molecular weight distribution of products in a mass polymerization of styrene were investigated.

  考察了热引发方式和不同种类、浓度下的引发剂引发方式在苯乙烯的本体聚合中对聚合反应速率和产品的分子量及其分子量分布的影响。

• 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.

  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。

• The molecular weight distribution of intermediate is wider.

  中间级分的分子量分布较宽。

• The polymer molecular weight is high, the molecular weight distribution is narrow, and the polymerization method is green and environmental-protection.

  本发明具有制得的聚合物分子量高、分子量分布窄，聚合方法绿色环保的优点。