生长激素在对抗阻止分解、应力断裂和提高新陈代谢功能中也发挥作用。
Growth hormone also plays a role in fighting tissue breakdown, staving off stress fractures and improving metabolic function.
结果表明：在焊缝区域内存在着局部未熔区以及铸造疏松组织和二次裂纹等缺陷，这是导致试样低应力断裂的根本原因。
The results show that the partial unmelted region, casting defect structure and secondary crack form in the welding seam, which result in the low stress breakage of the samples.
本文着重研究了邦迪管钎焊接头应力断裂的形成条件以及解决方法，并比较了铜管-铜管钎焊接头在相同条件下应力断裂情况。
The forming reason and solving method of stress - corrosion cracking for brazed joint of Band pipe is studied in this paper and compared with copper- copper pipe joint at the same conditions.
本文研究了带裂纹混凝土梁的应力腐蚀断裂问题。
Stress corrosion cracking problem of concrete beams with crack is studied in this paper.
在拉应力和应拉力交替的作用下，强度相对较低的螺栓会先产生裂纹，进而发生疲劳断裂。
Under the action of tensile stress and tensile stress, the bolt with relatively low strength will crack first, and then the fatigue fracture will occur.
通过计算证明引起断裂的根本原因是动应力超过了梁的许用疲劳极限，另一原因是梁的结构不合理。
The primary cause of breakage is that the dynamic stress exceeded the allowable fatigue limit of the beam, and another cause is that the structure of the beam is unreasonable.
弹性范围，塑料范围（当材料以不变的应力流动时），应变硬化范围和发生颈缩现象以其断裂终止的范围。
The elastic range, the plastic range (during which the material flows at a constant stress), the strain-hardening range, and the range during which necking occurs, terminating in fracture.
应力强度因子(K)：断裂力学中使用的一个因子，说明裂纹尖端处的应力强度。
Stress intensity factor (k). A factor used in fracture mechanics to specify the stress intensity at the tip of a crack.
实质断裂强度性能受到了外加载荷与磨削残余应力的组合应力的制约。
The real fracture strength is restrained by both stresses caused by outside load and residual stresses after grinding.
对于敏感性材料，在低应力水平下也会发生断裂，危险性很大，容易引发承压管道和设备的爆破，造成重大事故。
Sensitive materials under low stress will suffer breakage which brings about large risk explosion of pressure bearing pipe and equipment is easily to be triggered causing major accident.
如果附加弯矩产生的应力过大，螺栓便会断裂。
If the stress produced by the additional bending moment is too large, the bolt will break.
本文介绍了焊接残余应力对金属结构的静强度、脆性断裂以及应力腐蚀开裂的影响。
The paper discusses over the influence exerted by welding residual stress on the static strength, brittle fracture and stress-corrosion cracking of metal structure.
应力的大小和晶粒的尺寸影响解理断裂。
Dimensions of the stress and crystalline have influence on cleavage fracture.
对脆性陶瓷材料来说，抗弯强度即为横向弯曲试验中样品断裂时的应力。
For the brittle ceramic materials, flexural strengths are determined by the stress at fracture in transverse bending tests.
结果表明，螺栓的预紧应力接近材料的断裂强度。
The results suggest that the stress is close to the breaking strength.
不断变化的应力导致更多的断裂和岩石变形。
Changing stresses bring about more cracking and rock deformation.
结果表明，高温淬火和分级淬火可使应力腐蚀断裂抚力k _ (ISCC)值得到明显提高。
Results show that both high temperature quenching and step quenching can apparently increase the stress corrosion cracking resistance K_ (ISCC).
钻杆接头的各种纵向开裂属于低应力脆性断裂。
Longitudinal crack of drill pipe box joint is brittle fracture at low stress.
利用纤维作为加强材料增加了塑料或金属的断裂应力，增加了强度，降低了产品的重量。
The use of fibers as reinforcements increases the resistance of the plastic or metal to rupture stress and increases strength while providing a product light in weight.
双态组织的断裂应力随加载速度的上升而增加，微裂纹面密度随加载速度的增加明显下降；
The fracture stress of DP microstructure increased with the increase of displacement speed, and the microcrack density increased with the decrease of displacement speed.
一门断裂分析技术，用于确定已知尺寸的预先存在裂纹扩展并导致断裂的应力水平。
Fracture mechanics. A technique of fracture analysis used to determine the stress level at which preexisting cracks of known size will propagate, leading to fracture.
细观解理断裂应力主要由临界裂纹的长度决定。
The local cleavage fracture stress is mainly determined by the length of the critical microcrack.
它是用来改善金属零构件疲劳和应力腐蚀断裂抗力的一种表面强化工艺。
It is one of surface strengthening technology which is used to improve the resistance of fatigue fracture and stress corrosion cracking of metalic parts and components.
曲线半径越小，裂纹长度越大，断裂应力也就越低。
The smaller the curvature and the larger the crack length the smaller will be the fracture stress.
切口试样测得的解理断裂应力明显高于光滑试样。
The cleavage facture stress of notched specimen is much higher than that of smooth specimen.
切口试样测得的解理断裂应力明显高于光滑试样。
The cleavage facture stress of notched specimen is much higher than that of smooth specimen.
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