拉伸应变

The results show that the surface area and hydrous quantity of precipitated silica and content of hydroxy silicone oil have important effects on the tensile performance and compress stress-strain curve of silicone rubber-foams.

结果表明：沉淀法的SiO2比表面积和含水率及羟基矽油的用量对矽橡胶泡沫的拉伸性能和压缩应力应变性能都有明显的影响。

Compared the tensile characteristic values, it was found that exposed to thermal and hygrothermal conditions, strain and stress were the main factors influencing the change of bresking works respectively.

同时比较拉伸特征值可得出，在热老化作用下，断裂应变对材料断裂比功的变化起主导作用；在热湿老化作用下，断裂应力是影响材料断裂比功的主要因素。

Flinn plots show that, both garnet and omphacite are belong to constriction ellipsoid, which is stretching strain, being similar with the result of omphacite fabric.

6付林图解表明，绿辉石和石榴子石均属于收缩型椭球，拉伸型应变，这与绿辉石组构测定结果一致。

Stress Corrosion Cracking of polythionic acids of 304 SS were investigated by SSRT,SEM and metallographic analysis.

采用慢应变速率拉伸试验、扫描电镜断口分析以及金相显微组织分析等方法对304不锈钢连多硫酸应力腐蚀开裂行为进行了研究。

The ductile-brittle transitions due to both temperature and torsional prestrain were discussed by means of the micoscopic parameter ln.

利用扫描电镜测量了BHW60钢、20钢和45钢拉伸试样断口心部的临界空穴扩张比Rc／Ro，并据此分析了由于环境温度和扭转预应变等因素引起的韧脆转变过程及其细观形态。

In the extensional rheometric tests, the occurrence of phenomena of "strain hardening1relied on the structure of linear long chains, and mPE didn"t show the behavior of "strain hardening", which implied that the melt strength of mPE was poor.

通过研究发现，在n1PE中混入少量LDPE，不仅能够显著降低n1PE的熔体粘度，提高其熔体粘度对剪切速率的依赖性，而且还可以有效地提高mPE的熔体强度，使mPE熔体在拉伸流动中出现显著的&应变硬化&现象。

Resistance stress strain curves of TiNi superelastic wire during tension and unloading in constant temperature were test. Mechanism of the mechanics property and resistance nature was analyzed.

测试了TiNi超弹丝在恒温拉伸、卸载过程中的电阻-应力-应变关系曲线，分析了力学及电阻特性的变化机理。

The relationships among stress, strain, resistance and temperature of NiTi memory-wire and superelastic wire, which are in constant temperature, constant stress and shape recovery, were measured and analyzed. The actuating property of Cu-based spring in three basic conditions was investigated.

对NiTi记忆丝及超弹性丝在恒温拉伸卸载、恒载变温以及形状回复过程中的应力-应变-电阻-温度之间的关系进行了系统的测试和分析；对Cu基螺旋弹簧在三种基本使用状态下的驱动特性进行了研究。

The specimens of 6063 aluminum alloy are tensioned under different stress triaxiality and different strain rates,the mechanical properties of 6063 aluminum alloy can be drawn.

对6063铝合金试样在不同应力三轴度和不同应变率下进行拉伸试验，得到了该合金在这两种情况下的力学性能。

The foliations of mylonites in the two zones deeplydip to the north with nearly horizontal stretch lineation, dextral shear sense, and compressionaldeformation in the YZ face.

两者均以糜棱面理往北陡倾、近水平的拉伸线理、右行剪切应变及在YZ面上的挤压为基本特征，为韧性&右行挤压转换型&剪切带。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。