All fractions were analyzed by the contents of sugar, monosaccharide compositions, molecular weight distributions.
这三个级分均进行了含量、组成以及分子量的分析。
The changes of the molecular weight distributions of xylan during enzymatic hydrolysis have been investigated with gel filtration chromatography.
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 molecular weight distributions, infra-red, ultraviolet and nuclear magnetic resonance spectra for the polysilane polymers have been described.
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。
Based on evolutionary programming, a novel algorithm named EPANN for designing the topology and weight distributions of feedforward networks is proposed in this paper.
基于进化规划(EP)方法，该文提出了设计多层前向网络拓扑结构和权值分布的一种新算法—EPANN算法。
The number averaged molecular weights of the obtained polymers increased linearly with monomer conversion, and molecular weight distributions were unimodal throughout the reaction.
所得聚合物的数均分子量随单体转化率的增加而线性增长，而且分子量呈单峰分布。
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.
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。
Tannin fractions with different molecular weight distributions were obtained by purification of alcohol precipitation and fractionation of solvent extractions of black wattle bark tannins.
通过对黑荆树皮单宁进行醇沉纯化和溶剂萃取分级，可得到分子量分布范围不同的单宁级分。
These catalyst systems are generally used to produce polyolefins having broad molecular weight distributions, especially polyethylene. Some systems are used to produce branched or block polymers.
大多数含茂金属的双组分或多组分催化体系用于制备宽分子量分布聚烯烃，尤其是宽分布聚乙烯，少数用于制备支化或嵌段聚合物。
Below 6410 feet almost all the weight in the distributions is in small pores, as shown by a green peak to the left of the red line.
在6410英尺以下，分布区内的几乎所有重量都处于小孔隙中，如红线左侧的绿色峰值线所示。
And the weight of each filter is updated using Bayes theory based on the assumption that the difference between estimate and measurement bearings obeys Gaussian distributions with zero mean error.
通过假设预测方位和实测方位差值服从零均值的高斯分布，利用贝叶斯理论来修正各滤波器的权重。
Theoretical analysis and numerical simulations show that the GBBV model retains many properties of the BBV model, such as power-law distributions of node degree, node strength and edge weight.
理论分析和仿真实验表明，GBBV模型保留了BBV模型的许多特征，节点度、节点权重和边权值等都服从幂律分布。
By the numerical simulations, the distributions of degree, strength and weight of the network show all scale-free nature.
理论分析与数值模拟结果显示，该网络的度分布、强度分布以及权重分布都具有无标度特征。
The distributions of stress and displacement of the integrity of the ladle turret under the actions of self-weight and the static loads are firstly obtained based on the static FE analysis.
通过静力有限元计算，得到了钢水罐回转台在自重和钢包满包载荷作用下的应力和位移分布，进而对结构的强度和刚度进行了分析。
The distributions of stress and displacement of the integrity of the ladle turret under the actions of self-weight and the static loads are firstly obtained based on the static FE analysis.
通过静力有限元计算，得到了钢水罐回转台在自重和钢包满包载荷作用下的应力和位移分布，进而对结构的强度和刚度进行了分析。
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