Analysis on Thermal Stress of Thick-walled Spherical Head;
厚壁球形封头温差应力分析
Through the chemical composition analysis, metallographical observation, Manson-Haferd parameter extrapolation and thermal-stress calculation, it is found that the failure of conic nozzle was caused mainly by the thermal stress.
通过对一失效的下集气锥形管的金相宏微观检查、Manson Haferd参数估算锥形接管的持久寿命以及热应力的计算 ,发现锥形接管的失效原因主要是由温差应力所导致。
In this paper, the thermal stress on the selftight seal device with shear bolts is analysed by means of the momenttheory.
采用有力矩理论对抗剪螺栓高压自紧密封装置的温差应力进行了分析，得到温差应力与温差的关系式。
The stress deviation-creep curves and time-stress deviation-creep surface were gotten by scientific calculation, and it is proved that ground stress deviation is the main reason for creep of rock in deep mining.
得出了地应力差是引起蠕变的主要因素,对深层软岩巷道进行了变形仿真分析,并实现了与实测变形的对比。
Based on the principles of the cracks forming in concrete floorslab ,this article analyses the cause for the cracks` appearing,it is pointed that shrinking stress, temperature difference stress and load stress are the main factors , and some preventions are advanced accordingly.
从混凝土构件裂缝产生的机理入手 ,通过分析混凝土楼板裂缝产生的原因 ,认为混凝土的收缩应力、温差应力及本身所受荷载应力是产生裂缝的主要原因 ,并提出了相应的防治处理措
The results show that the flexible and thin tube sheet can effectively reduce the temperature difference stress, which is brought by the difference in te.
Nastran有限元软件对废热锅炉进行了应力分析;详细分析了挠性薄管板的应力强度,结果表明,该挠性薄管板结构能有效地减小管壳程由于膨胀差而引起的温差应力;在管、壳程温差为54℃,膨胀差为2。
The estimated values of ancient differential stress(△δ) are from79.
通过对吉林四平山门银矿区韧性剪切带的宏观和显微构造变形特征的研究，认识到该剪切带主要由钙质和长英质两类糜棱岩系列岩石组成，具左旋剪切，剪切总位移量约为８３０ｍ，用石英自由位错密度估算出差异应力值为７９。
The present paper reviews the geometrical and kinetic characteristics of the Ximeishan thrust nappe structure in the northwest Xuefeng Mountains The differential stress for the formation of faulted rocks in the structure obtained by using the twin striation (e) in calcite is 100～125 MPa;the deformation temperature is 150～200℃ The main epoch of thrusting is Yanshania
论述了雪峰山西北部喜眉山逆冲—推覆构造的几何学、运动学特征，并用方解石ｅ双晶求得逆冲—推覆构造断层岩形成时的差异应力为１００～１２５ＭＰａ，变形温度为１５０～２００℃，逆冲作用主要发生于燕山运动时期。
By a comprehensive research of macro-and microstructure,ESR(Electron Spin Resonance) dating,temperature measuring of fluid inclusion and e-twinning differential stress,the paper has come to the following basic recognition or conclusions.
通过宏观、微观构造,ESR测年,包裹体测温和差异应力等的系统研究发现:断裂带发育在加里东和印支运动前峰带之北西,地质证据表明断裂作用始于燕山期,并持续至喜山期,ESR测年结果佐证了这一结论;断裂带以脆性变形为主,断面沿倾向或走向均呈舒缓波状,总体向SE陡倾,具由SE向NW逆冲的基本特点,经历了燕山早期(D1)逆冲兼左行走滑、燕山晚期(D2)伸展成(红)盆兼右行走滑、喜山期构造正(D3)、负(D4)反转的演化历史;包裹体测温显示均一温度的众数值主要集中在170~250℃和100~150℃两个区间,前者对应于D1逆冲挤压环境,后者对应于D2伸展期。
The additional shear and normal stress of fiber become large with the addition of the contract ratio.
纤维附加剪应力和附加正应力差随着收缩比的增大而增加。
DIFFERENCE METHOD FOR SOLVING THE TANGENTIAL STRESS AT THE BOUNDARY BY BEM
边界元法分析中的边界切向应力差分算法
There is a diminishing difference in the shearing stress with rising pressure.
随着压力的升高，切应力的差值减
Analysis of Thermal Expansion Stress and Temperature Difference Stress for BOF Shell
转炉炉壳热膨胀应力和温度差应力的分析
Influence of the temperature difference between day and night on the stress of prestressed CFRP plate
昼夜温差对预应力碳纤维板应力的影响
He is slow in speaking and cannot communicate very well.
他说话反应慢,交流能力较差。
A NEW METHOD TO DETERMINE THE DIFFERENTIAL STRESS OF DIP SLIP FAULTS
一种求解倾斜滑动断层差应力的方法
Discussion on the error reasons of prestressed pre-tensioned beam elongation value
预应力先张法梁伸长值误差原因简析
Different stress-resistance of chickens ascertained with H/L ratio
利用H/L值分析鸡抗应激能力差异
Genotypic difference in Inbred Iines of Maize on Fertilizer Effect
玉米自交系对肥力反应的基因型差异
Comparison on the Differences in Anti-Stress Capability between Domestic and Imported Piglet Varieties
中外品种仔猪抗应激能力差异的比较
Finite difference method of internal force calculation of anti-sliding piles with multi-row pre-stressed anchoring cables
多排预应力锚索抗滑桩内力计算有限差分解法
We should aim high and not think “ That's good enough”.
我们应该力争上游，而不应该有“差不多”的思想。
Effect of Time Difference on Sports Ability and Its Adaptation and Countermeasure;
时差反应对运动能力的影响及适应对策
Numerical Simulation and Its Application to Prestressed Anchor Based on the Fast Lagrangian Analysis Method
拉格朗日差分法的预应力锚杆数值模拟与应用
Research on Computational Method for Strain Difference in Combinatorial Continuous Girder Prestressed Externally
体外预应力组合连续梁应变差计算方法的研究
Analysis of temperature variation and shrinkage effects on ultra-long prestressed concrete structure
超长预应力混凝土结构温差收缩效应分析
Analysis of the Error of Post-Tendon Elongation and Control Technology of Reducing the Error;
后张法预应力筋伸长量误差分析与减小误差的控制技术