查询词典 tensile

When the brazing temperature exceeded 650 ℃,the tensile s...

温度高于 65 0℃，抗拉强度降低；温度高于 2 0 0℃，超弹性降低。

When connection come into the phase of larger deformations, axial force turn into the tensile force, prevent the further deform, it means that catenaries action occur.

进入大变形阶段后，连接轴向约束压力变为约束拉力，轴向拉力阻止钢梁自身进一步变形，发生了悬链线效应。

Homogenization treatment before the extrusion coarsened the grain size and reduced the tensile strength and yield strength.

挤压前均匀化热处理使挤压态合金的晶粒尺寸粗化，拉伸强度和屈服强度降低。

The results show that when an electromagnetic field with 1000 Hz frequency and 20 kW power is imposed, the surface roughness of hollow billets is decreased by 50%, the solidification structure is refined, the tensile strength is improved by 40%, and the elongation is improved by 50%, averagely; when the power is heightened to 30 kW, the solidification structure is coarsened and the mechanical properties are worsened.

研究结果表明：当施加频率为1kHz的电磁场时，空心管坯的表面粗糙度降低了约50％；当施加功率为20kW的电磁场时，空心铜管坯的组织得到细化，抗拉强度提高了约40％，延伸率提高了50%；当施加30kW的电磁场时，铜管坯组织粗化，力学性能下降。

Fast curing;Surface cohering technology;Repairing material;Epoxy resin;Tensile strength

快速固化；表面粘涂技术；修复材料；环氧树脂；拉伸强度

With the increase of glass content,the tensile strength and modulus of commingled yarn increase remarkably,while its flexural strength and modulus increase first but decrease afterwards.

随着玻纤含量的提高，混纤纱的拉伸强度、拉伸模量均明显提高，而弯曲强度和弯曲模量则呈现出先升后降的趋势。

A high-strength steel pipe rockbolt has an expansive rockbolt main body prepared by processing a high-strength steel sheet of 1.8-2.3 mm in thickness with tensile strength of 490-640 N/mm 2 and elongation of 20% or more to a welded pipe and roll-forming the welded pipe to a shaped pipe having one or more concavities extending along an axial direction.

高强度钢管锚杆具有可膨胀锚杆主体，该主体通过下列步骤制成：将抗拉强度为490～640N/mm 2 ，伸长率为20％或更大，厚1.8～2.3mm的高强度钢板加工成焊接管，再将该焊接管滚轧成型成具有一个或多个沿轴向延伸的凹部的异形管。

The preparation of IPN water-borne PU/PA binder, and the influence of different proportion to tensile strength, elongation at break, crocking fastness, water and dust absorbency and soaping fastness are all introduced in this paper.

介绍了水性PU/PA的IPN涂料印花粘合剂的制备方法，及其不同配比对拉伸强度、断裂伸长率、摩擦牢度、吸水性、吸尘性、皂洗牢度的影响。

A process for manufacturing seamless flux-cored welding wires 0.8 to 4 mm in diameter with excellent cracking resistance and primer proof quality and containing very little diffusible hydrogen suited for the welding of high-tensile steels and steel structures subjected to large restraining forces by dehydrogenating by high-temperature heating comprises the steps of heating a straight wire 8-15 mm in diameter by direct electric heating through a first and a second pair of roll electrodes spaced 2 to 5 m apart and a ring transformer disposed therebetween to a temperature between 620 and 1100 degrees Centigrade, cooling the heated wire to a temperature not higher than 500 degrees Centigrade with a coefficient of heat transfer not higher than 250 kcal/m2 h degree Centigrade, and drawing to the desired diameter.

一种用来制造直径0.8至4mm的、具有优异的抗裂缝力和底层涂料防护质量并含有非常少的扩散氢的、适合于焊接高强度钢和承受大约束力的钢结构的无缝药芯焊丝，通过用高温加热进行脱氢处理来制造的工艺包括步骤：通过经布置成相隔2至5m的第一和第二对辊电极并经布置在它们之间的环心变压器的直接电加热，把直径8至15mm的直焊丝加热到620与1100℃之间的温度；用不高于250kcal／m2h℃的传热系数把已加热焊丝冷却到不高于500℃；以及拉伸到想要的直径。

The tensile properties decreased after TG treatment for 90min because the enzyme lost TG and the TG treated protein is partially denaturalized.

在酶处理90 min时，由于转氨酶变性失去活性及大豆分离蛋白的部分变性，蛋白质塑料的拉伸性能反而下降。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。