step reaction polymerization

The Proof of the Principle of Inequality Gradual Adjustment;

证明不等式的逐步调整原理

Influence relationship between clothing structure designing math model positions in stepwise regression;

逐步回归中服装结构设计数学模型部位间的影响关系

Predicting the properties of aliphatic alcohols in stepwise regression;

用逐步回归法预测脂肪醇的-lgS_w和lgK_(ow)

Rapid differential diagnosis of thalassemia trait and iron-deficiency anemia with stepwise regression analysis;

逐步回归分析快速鉴别诊断地中海贫血与缺铁性贫血

The effects of temperature,time of reaction,amount of catalyst,time of esterifying,time of decompression step by step,etc, on molecular weight of PLA were studied.

以L-乳酸单体为原料,用逐步减压缩聚法合成了相对高分子量的聚乳酸。

The objective of the study were to find a reasonable degradation rule to simulate the progressive failure.

本文提出一种合理的材料刚度退化方法模拟材料失效过程,计算中采用Hash in准则为失效判据,考虑了接触关系,材料逐步失效以及几何非线性等因素。

By this method, the influence of high order frequencies, modals and progressive failure on the damping matrix is considered.

本文建立了能汁及多阶模态频率、振型以及损伤影响的复合材料层合结构阻尼矩阵的计算方法,并基于 Mindlin假定的复合材料板层合板单元和复合材料逐步失效判据,建立了含损伤复合材料板动力响应分析的有限元方法。