查询词典 tensile stress

The results show that the hydraulic fracturing pressure is intimately related with tensile strength and tridimensional stress state of the soil. With the increase of tensile strength and minor principal stress, the fracturing pressure is enhanced.

土体发生水力劈裂时的劈裂压力与土的抗拉强度和土体所处的应力状态之间有着密切的关系，劈裂压力随着土的抗拉强度和小主应力的增加而增加。

Rice moisture content can be controlled by use of different consistency salt and acidliquor,the method of preparing different moisture contents rice sample also be studied and adopted.Such as, temperature humidity preservation box used in testing mechanical physical properties ofrice kernel, tensile and bending experiment device which can be used on rice samples. Configureddark box, CCD photography, image-taking system, pre-experiment to forcast mechanical physicalproperty and moisture transfer property, from which we can know that distance of elastic modulusand passion ratio in tensile process test is not big when renitency strength is much larger thanresist-pull strength, tensile test can be replaced by bending test to research tensile property ofrice, because tensile test is hard to do, experiment research methods and feasibility werediscussed, and suitable humid stress field experiment research plan ere made.

研究、采用了合适的盐溶液及不同浓度的酸溶液调节稻米含水率、制取不同含水率稻米试样的方法；研制了测量稻米材料机械物理特性时使用的保温保湿箱、适用于稻米试件使用的拉伸和弯曲试验装置；配置了暗箱、CCD摄像机、竖直与水平摄像装置及计算机图像采集系统等；进行稻米机械物理特性和水分传递特性的各种预备试验，得到：稻米的抗拉强度远小于抗压强度而拉压时的弹性模量、泊松比相差不大，稻米籽粒的拉伸试验难度极大，成功率很低，可以用籽粒的弯曲试验代替拉伸试验研究籽粒材料的拉伸特性；探讨试验研究方法及其可行性，制定了合理的稻米湿应力场试验研究方案。

Experimental results demonstrate that when the tensile speed is fast, longitudinal volume electrical resistance decreases with the increasing of the stress, before the rupture the electrical resistance decreases to the most low, the moment the sample rupture, the electrical resistance increases suddenly. when the tensile speed is slow, longitudinal volume electrical resistance decreases with the increasing of the stress during the tensile prophase, before the rupture, the big surging of the electrical resistance occurres.

结果表明，CFRP复合材料在受力过程中，当拉伸速度较快时，试样的体积电阻随应力增加持续降低，在试样断裂前降至最低，但在试样断裂瞬间急剧增加；当拉伸速度较慢时，拉伸前期的电阻随应力增加不断降低，在断裂发生前电阻发生较大幅度的振荡。

Using FEM, the coupled action of thermal stress and crustal stress has been taken into account. The regularities of distribution of the horizontal displacement of surface of slope and the shear stress of junction plane between shotcrete and rock are discussed too. According to the analysis, under the combined action of thermal stress and crustal stress, top and foot of slope are liable to be destructed. Ordinary, the destructional form of the top is tensile failure and the bottom is shear failure. There are some time effect of displacement and stress in the surface of slope and distribution of temperature in slope, which agrees with actual measured rules.

采用有限元的方法，考虑地应力与温度应力的耦合作用，分析了在一定的边界温度作用下不同时刻边坡喷层面的水平位移，以及喷层与岩层结合面处的剪应力的分布规律；指出在温度应力与地应力的共同作用下，喷混凝土边坡坡顶与坡脚均为容易发生破坏的地方，通常坡顶的破坏型式为拉张破坏而坡脚则为剪切破坏；边坡内的温度分布、边坡表面的位移与应力的变化均存在一定的时间效应，这一规律与实测规律比较吻合。

This dissertation put forward a method of eliminating noise and reconstituting broken wires signal and inquired the space-frequency range of the signal ripple resulted from tensile stress on the MFL signal curve.

提出了去除干扰重组断丝信号的方法，分析了漏磁曲线上应力波纹的空间频率分量。

Combined with the construction of the Magong Bridge in Changzhou City, the prestress technique by means of the support displacement method to avoid cracks in floor deck concrete caused by tensile stress is studied.

本文 结合常州市马公桥工程的建设，对采用支座位移法来施加预应力，避免桥面混凝土开裂的技术进行了研究。

2 C节,原文为: The coupons shall be removed so that the specimens shall have their longitudinal axes at a distance below the nearest heat treated surface equivalent at least to the greatest distance that the indicated high tensile stress surface will be from the nearest surface during heat treatment and with the mid-length of the specimen at a minimum of twice this distance from the second heat treated surface.

建议译为：试件的切取应使试样的纵轴在最近的热处理表面以下，其距离至少等于从表明的高拉伸应力面到热处理时最近表面的最大距离，且试样的一半长度应位于离第二热处理表面这一距离（指从表明的高拉伸应力面到热处理时最近第二表面的最大距离—译注的至少二倍。

The effective tensile stress fields of Caledonian (T_7~4), Hercynian (T_7~0,T_7~4) and recent (T_7~0, T_7~4) were simulated in thin plate-bending trend surface method.

采用薄板弯曲模型趋势面法模拟了加里东期(T_7~4)、海西期(T_7~0、T_7~4)和现今(T_7~0、T_7~4)有效张应力场。

Results: When the top shape of osteotomes was concave,displacement and tensile stress were the maximum at the maxillary sinus floor.

目前，在临床中，骨挤压器顶端形状分为凸形、平形和凹形3种，对于哪种形状的骨挤压器在窦底提升术中提升效率高，对窦底的损伤小，目前观点不一致。

The results show that the error of considering the curve of strand as line is less than 2%, through the comparison with the result of FEA and experimental data, the error of principal tensile stress is less than 0.2 MPa, which prove that the precision of the method meets engineering calculation requirement, the method is feasible.

理论分析结果显示，将预应力束的平弯曲线用直线代替产生的误差不超过2%，该公式计算结果与有限元结果及实测数据比较表明，主拉应力的计算误差小于0.2 MPa，结果满足工程精度需要，该方法可行。

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％。