Research on the performance improvement of the low pressure axial flow fan;

Principle of Axial Flow Fan Noise and Methods to Reduce Noise

轴流式通风机的噪声机理及降噪措施

Determination of Working System of Axial Flow Fan By Equation Method

确定矿井轴流式扇风机工作制度的方程法

The complicated environmental loads may subject submarine pipeline to excessive axial stress, and even to failure sometimes.

同时，管道正常运营期间还受到管道内压、外压、管内流体粘滞力和土体摩擦力等环境荷载的作用。

The formula for calculating the axial stress of casing was discussed with theoretic deduction and calculation methods.

采用理论推导和计算方法，对套管轴向应力计算公式进行了讨论。

Discussion on the new design standard for tri-axial stress anti-collapse strength of casing string

关于套管柱三轴抗挤强度设计问题的讨论

It is pointed that the actual axial stress should be calculated using the pressure-area method.

证明了正确做法应该是用压力面积法计算真实轴向力。

There are no bolts for axial stress of internal pressure and no metal gaskets.

没有受力螺栓，省去了金属垫片或垫块；

Study on diffracting and screening effects of cavities on axial stress waves in defense layer

防护层中孔穴对轴向应力波的绕射屏蔽效应研究

The secant modulus is linear with axial stress.

而其割线模量与轴向应力则呈线性关系；

Effects of axial stress on healing of lengthened callus

轴向应力在延长段骨痂生长愈合中的作用

Average Elastic-plastic Behavior of a Composite Material with Spherical Inclusions in the Condition of Axial Stress

在轴向应力状态下含有球形介在物材料的平均弹塑性过程

Dynamic Buckling of Elastic-Plastic Beams on Axial Stress Waves

弹塑性梁在轴向应力波下的动态屈曲

Analysis of multi-axial fatigue life based on single axial stress condition of the coupler yoke

基于单轴损伤的货车钩尾框多轴疲劳寿命分析

Elasto-plastic dynamic buckling of slender beam under axial stress waves

轴向应力波作用下细长杆弹塑性动力屈曲

According to the regulation of axial stress distribution, a way to design the rational end construction is given.

根据端部所呈现的应力分布规律，提出了确定端部合理结构型式的方法。

Bolt Axial Stress Measurement by Ultrasonic Testing

螺栓轴向应力超声测量技术

Method for determining failure zone of surrounding rock by means of axial stress measurement of bolt

利用锚杆轴力量测定围岩破坏区的方法

Ultrasonic Technique for Measuring Axial Stress in Bolts

螺栓轴向紧固力的超声测量

Influence of shear stress on the ultrasonic measurement of the axial stress of high strength bolts

扭转剪应力对螺栓紧固应力声弹性测量的影响研究

This paper summarizes the modes of axial stress distribution of bolt and analyses their mechanism.

本文系统总结了锚杆轴力分布型式，分析了各轴力分布型式的力学机理。