stress threshold

In the testing, stress ratio near threshold region was high and crack closure effect was removed.

此方法在测出ΔKth时应力比R已经很高，实际上已不存在裂纹闭合效应的影响。

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This text educes straight index relations applied mathematics method between rock permeability and temperature through hot stress as bridge, and there is threshold value of temperature proved with the theory.

本文通过热应力作为桥梁，应用数学方法推导出岩石渗透率和温度之间存在正指数关系，并用理论说明存在温度门槛值。

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The mechanisms for a-Si ∶ H-TFT threshold voltage shift were analyzed. That is, the influence of charges injecting into SiN_x ∶ H gate insulator and the creation of meta-stable states in a-Si ∶ H to a-Si ∶ H-TFT threshold voltage shift under gate bias stress were analyzed.

分析了a-Si∶H-TFT阈值电压漂移的机理，即分析了栅偏应力下电荷注入到sin x∶H栅绝缘层和a-Si∶H中亚稳态的产生对TFT阈值电压漂移的影响。

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The Threshold Stress Intensity of GH 34 Steel under Constant Load at High Temperature

GH34钢在高温恒定载荷下的开裂界限

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The concept of utilizing the fatigue threshold stress intensity factor Δ Kth as a design criterion is discussed.

本文对利用疲劳门坎应力强度因子△K（th）作为设计准则的概念进行了讨论。

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On the basis of the max-S-wave velocity as rock stress threshold during the heading triaxial test, this paper adds lowest-attenuation coefficient of S-wave, that is the max quality factor, as the new judgement.

在前期研究三轴实验中横波速度极大值作为岩石应力门槛值的基础上，增添了横波的衰减系数的最小值，即品质因子的最大值作为新的判据。

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The behaviour of fatigue crack growth rate da/ dN and threshold of stress strength factor △ K_ ( th) in axle steel is investigated and calculated.

本文对车轴钢材料的疲劳裂纹扩展速率da/dN和应力强度因子门槛值△K（th）的特性进行了试验和计算。

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Discussion on stage threshold shear stress of non-uniform sediment

非均匀沙分级起动切应力探讨

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Stress reaction is related to stressor, and also related to personality characteristics. All persons should be given different mental stress training and mental regulation, so as to raise their threshold of stress reaction and form sound personality.

应激反应不仅取决于应激源，而且取决于个体的个性特征，对守站人员应予以因人而异的心理调整，进行心理应激耐受训练，提高他们应激反应的阈值，培养健全的个性。

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Pain threshold and heat stress reaction of mice irradiated by high power millimeter wave

高功率毫米波辐照鼠疼痛阈值及应激反应

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After one year in 5% MgCl 2 solution the threshold of stress ratio of beforehand loading for gas permeability is 0.2 lower than in the seawater.

经5%MgCl2溶液腐蚀1年后的试样，其气体渗透系数的预置应力比阈值较同条件下人工海水腐蚀的试样至少小0.2。

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