把由刘维方程推得的BBGKY方程用于多元系，可导出不可逆化学反应扩散方程。
Applying BBGKY equation obtained from Liouville's equation to a system with many components, the irreversible chemical reaction-diffusion equation can be deduced.
由二元系估算二元系和多元系的几何模型是当今在热力学和相图计算中用得最为广泛的一种溶液模型。
Geometrical model is a kind of solution model that has been used extensively in predicting thermodynamic properties and calculating phase diagrams for ternary and multicomponent systems.
目前使用的大量萘系高效减水剂存在着坍落度损失大、与水泥的适应性差、易泌水等缺陷，本文运用物理多元复合技术对萘系高效减水剂进行了改性。
Some defects such as quick slump loss, poor compatibility with cement and easy bleeding were found in current use of a great number of naphthalene superplasticizers.
使用多元复合函数微商法则，导出拉普拉斯算符在柱面坐标系和球面坐标系中表达式。
The Laplacian in the columnar and spherical coordinates is deduced by using the derivative principle of the multivariable functions.
本文研究了单体质量比、皂化反应温度、皂化反应时间、乳化剂掺量、搅拌速度等工艺参数对多元羧酸系防水剂性能的影响。
The influence of monomer mass ratio, reaction temperature, reaction time, emulsifying agent content and mixing speed on polycarboxylic acid type waterproofing agent were studied in this article.
采用了工业化的不饱和聚醚多元醇为反应单体，合成了一种高减水率，长缓凝时间的新型聚羧酸系高效减水剂。
A kind of unsaturated polyether was adopted as the reactive monomer, synthesis a new type of polycarboxylate superplasticizer with high dispersibility and long retention characters.
文中对多元素对比指标的选取原则、对比指标的线性组合及各指标权系教的确定作了详尽的叙述。
Detailed here are the choice of multielement comparison norm, the Lin - ear combination of comparison norms and the determination of norm weight coefficients.
文中对多元素对比指标的选取原则、对比指标的线性组合及各指标权系教的确定作了详尽的叙述。
Detailed here are the choice of multielement comparison norm, the Lin - ear combination of comparison norms and the determination of norm weight coefficients.
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