含有粗大的铁素体晶粒和残留的热轧织构，引起力学性能的各向异性，导致了抗拉强度和延伸率的降低。
Big ferrites and hot rolling texture are left behind in particle structures, Which leads the anisotropy of mechanics, so the tensile strength and elongation rate reduce.
从混凝土磨蚀和力学性能试验得知，水工混凝土的磨蚀程度依赖于混凝土的初始磨损率，抗拉强度和极限拉伸变形值。
Abrasion and mechanical properties test of concrete have shown that the degree of abrasion dependent on initial abrasion ratio, flexural strength and limit strain.
介绍不确定度的基本概念和数学模型，并对材料力学性能测试中常见的钢筋抗拉强度检测中的不确定度进行了简要的分析和评定。
This paper introduced the basic concept of uncertain degree and its mathematics model, and evaluated uncertain degree in tensile strength measure of reinforcing steel bar in material mechanics.
热处理调质是为了提高紧固件的综合力学性能，满足产品规定的抗拉强度值和屈强比。
Quenching and tempering heat treatment are integrated in order to improve the mechanical properties of fasteners to meet the product requirements of tensile strength and yield ratio value.
抗拉强度是二灰碎石的主要力学性能之一。
Tensile strength is one of main mechanics properties of lime-fly ash hound macadam.
在C194合金中加入稀土Y具有净化、去杂、细化晶粒的作用，同时改善铜合金的导电性、抗拉强度及其他力学性能。
Meanwhile it shows that Y can purify melt, refine the grain, improve electrical conductivity and the tensile strength of the C194 alloy.
竹材具有相当好的力学性能，其抗拉强度约为木材的2倍，抗压强度约为木材的1.5倍，竹材的比强度高于木材和普通钢材。
It occupies the head of every country. Bamboo has good mechanics performance, the intensity of tension of bamboo is 2 times of that of wood, and intensity of pressure is 1.5 times.
力学性能试验结果表明，电磁搅拌作用下，AZ31镁合金的布氏硬度、抗拉强度明显提高，但伸长率变化不大。
Mechanical performance test result shows that the effect of electromagnetic stirring can significantly increase the hardness and mechanical properties of AZ31 alloy, but elongation change little.
纤维的主要力学性能指标是抗拉强度和韧性。
Principal mechanical properties of metallic fiber include tensile strength and stiffness.
结果表明，通过外加横向磁场对熔池进行搅拌，可以使焊缝晶粒得到细化，进而使其抗拉强度和硬度等力学性能得到改善；
The results show that transverse magnetic field can refine the primary crystallization structure by electromagnetic stirring and improve the ultimate strength and hardness of the welded joint.
结果表明，通过外加横向磁场对熔池进行搅拌，可以使焊缝晶粒得到细化，进而使其抗拉强度和硬度等力学性能得到改善；
The results show that transverse magnetic field can refine the primary crystallization structure by electromagnetic stirring and improve the ultimate strength and hardness of the welded joint.
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