In chapter 2 according to the theory of strength of steel wire and plastic along with the result of hydraulic pressure burst test and short-term hydraulic pressure strength test we calculated the strength of steel framed polyethylene plastic pipe and determined the principial working pressure .

第二章是根据传统的钢丝和塑料的 强度 理论以及静液压爆破试验、短期静液压强度试验结果，对钢骨架塑料复合管进行强度计算及工作压力的初步确定。

Generalized Earth Stress and Its Theory of Strength

广义地应力及其 强度 理论

Damage constitutive theory of high strength concrete in complex stress state and its application

复杂应力状态下 高强混凝土的损伤本构 理论及应用

Analysis on Theory of Strength Reduction FEM Based on Artificial Neural Networks

基于神经网络对有限 元 强度折减法分析

This paper adopts the fourth theory of strength to decide the maximum depth of tubing pump . A better effectiveness is attained through applying the method in Wenliu Oilfield .

文章采用第四 强度 理论来确定最大下泵深度，并在文留油田的应用中取得了较好的效果。

The results show that the reliability design theory of fatigue strength is a practical and effective method .

结果表明：可靠性 强度设计 理论是一种切实可行的方法。

The study shows that the combined theory of strength and stability can present the calculation equations of the engineering structure in the plastic stage which makes the calculation of engineering structures more easily .

研究认为 强度稳定综合 理论可以给出工程结构在塑性阶段的计算公式，这使得对工程结构的临界承载能力的计算更加简便。

Standard space theory of strength criterion for anisotropic internal friction materials

各向异性内摩擦材料 强度准则的规范空间 理论

It perfect the theory system of strength training to walking race athlete points out the relation to quality of strength and technical level .

竞走运动员 力量训练 研究不仅完善了竞走运动员 力量训练的 理论体系，丰富竞走运动项目训练 理论内容，而且指出了力量素质与技术水平的内在联系，对竞走运动员训练具有针对性的 实践 指导。

A new kinetic theory of tensile strength for polymer networks has been proposed .

本文提出了一种等速拉伸下聚合物网极限断裂 强度的动力学 理论。

The author propose that the coal liquefaction project is the most promising succedaneum through the analysis of the resource condition technology condition and the market condition of our country based on the theory of competitive strength .

作者以 竞争力 理论为指导，通过分析煤炭液化项目在我国推广的资源条件、技术条件和市场条件，得出煤炭液化项目具有资源、技术 优势和需求条件，是最有市场前途的替代方式。

Fatigue Life Analyses and the Combined Theory of Strength and Stability

疲劳寿命在 强度稳定综合 理论中的运算

Study on the theory of strength of short fiber / rubber composites I prediction of longitudinal tensile strength

短纤维橡胶复合材料 强度 的 理论研究I纵向拉伸强度的 理论预测

Comparing the calculation results of a simply supported beam assembled by 64 Type beam units and that of the truss model the theory of strength design is discussed .

将此方法的计算结果与传统桁架模型的计算结果进行比较，对拼组结构的 强度设计 理论进行讨论。

An Analysis with Finite Element Theory of High Strength Concrete Filled Steel Tube Considering the Influence of Autogenous Shrinkage

考虑自收缩作用时钢管 高强混凝土的有限元 法分析

The approach to apply the combined theory of strength and stability into fatigue analysis is discussed .

探讨了 强度稳定综合 理论用于疲劳寿命计算的方法。

Using theory of strength of track structure and vehicle - track coupling vibration dynamic model we analyze the effects the different thickness of ballast act on relevant track structure parts and deduce the rational thickness of ballast .

本文应用轨道结构 强度 计算 理论及车辆－轨道耦合振动动力学仿真计算模型，分析了不同道床厚度对相关轨道结构部件的影响，得出了合理道床厚度的建议值。

The analysis of an example shows that the prediction model of fuzzy fatigue life-span being established could overcome the deficiency of traditional prediction theory of fatigue strength and life-span and possesses practical value in engineering .

实例分析表明：所建立的模糊疲劳寿命预测模型较好地克服了传统疲劳 强度和寿命预测 理论的不足之处，具有工程实用价值。

This article explained the correct application of the theory of strength through using the commonly used bevelled halving welded seam as an example .

以工程中常用的斜对接焊缝的研究为例，说明了 力学 强度 理论的正确应用方法。

In consideration of the problems existed in the design of a screw rod injection machine a method for accurate calculation of rod strength is proposed according to the theory of fatigue strength based on its rod conditions structure applied force and failure .

针对螺杆式注射机螺杆设计存在的问题，根据注射机螺杆的工况、结构及受力与失效情况，提出了按疲劳 强度 理论进行螺杆强度精确计算的方法。

The theory of Strength reduction FEM is more perfect so it is more safety generally .

有限元 强度折减法计算 理论更为完善，因此一般情况下该方法有更高的可靠性。

Its philosophy is based on the natural theory of strength .

其哲学基础是 元气自然 论。

Research on some problems in application of Griffith theory of strength

关于格里菲斯 强度 理论应用中的几个问题的探讨

Firstly it introduces some basic concepts of fatigue briefly elaborates elementary theory of fatigue strength analyzes primary factors that affect the fatigue of steel-concrete attachment and general computational method of the fatigue damage accumulation theory .

首先，简要介绍了疲劳的一些基本概念，阐述了疲劳 强度的基本 理论，分析了影响钢～砼接头疲劳的主要因素及疲劳损伤累积理论的一般计算方法。

Research on the mohr theory of strength in the light of strain energy

试用应变能探讨莫尔 强度 理论

To make the people truly grasp the theory we must increase the popularity of the theory of strength so that the people a greater degree of control theory .

要使群众真正掌握理论，就必须加大 理论的普及 力度，使人民群众在更大程度上掌握理论。

Using the elementary theory of strength of materials an analysis on mechanics of the tennis racket of composites has been presented . The corresponding test of the tennis racket has been designed and carried out .

本文用材料 力学 方法分析了复合材料网球拍的 力学问题，设计监进行了相应的网球拍试验。

Principle and method to calculate equivalent crack length of fatigue life & method of the combined theory of strength and stability

疲劳寿命折算裂纹长度的计算原理和方法& 强度稳定综合 理论算法

Thermomechanics and Theory of Strength of Solid Materials

热力学与固体 强度 理论