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1·Acoustic emission characteristics changed by notch effect.

缺口效应引起了声发射特性的变化。

2·The effect of specimen type, thickness, dimension ratio, and notch sharpness on fracture toughness of a carbon rail steel was examined.

研究了试样类型、试样厚度、比例试样尺寸及切口尖度等因素对普碳轨钢断裂韧性的影响。

3·Besides, the fatigue damage for both the boiler steam drum and the notch specimen under varied amplitude low cycles is investigated with the effect of average stress taken into account.

同时还研究了变幅低周疲劳下缺口试件和锅炉汽包的损伤，并考虑了平均应力的影响。

4·Using 945 steel and 921a steel, this article studies the effect of weld profile and size on the cracking behavior of a central notch in a three-notch specimen for an explosion bulge test.

选用水面舰艇用945钢和潜艇用921a钢，研究了不同焊缝外形尺寸对爆炸试验中三缺口试样的中央缺口开裂行为的影响。

5·The effect of tiny amount of Titamium on the notch toughness of low carbon boron steel was investigated.

研究了微量钛对低碳硼钢冲击韧性的影响。

6·The application of the maximum tensile criterion to V-notch and the size effect of the fracture criterion of mixed mode are also discussed.

讨论了最大拉应力理论在V形切口中的应用问题； 并探讨了复合型断裂准则的尺寸效应。

7·The high stress concentration effect of notch can accelerate the process of fatigue crack nucleation in the notch specimen.

缺口试样在缺口的高应力集中效应下，加快疲劳裂纹形核过程。

8·An experiment was conducted to investigate the effect of the distance between clamp and cutting notch for plywood bond strength.

通过试验，研究了胶合板胶合强度检测试验中夹具与试件槽口的距离对胶合板胶合强度的影响。

9·Compressive residual stress increases the crack closure effect at the notch and may lead to a non-propagating crack.

残余压应力使缺口处裂纹闭合力增大甚至可出现非扩展裂纹。

10·Notch filter is applied to Smooth over the problem of elastic vibration of missile body to reduce the bad effect on the control system. This Paper gives a method for the design of notch filter.

应用陷波滤波器消除了弹体弹性振动固有频率信号对控制系统的影响，给出了陷波滤波器的设计方法，仿真结果证明了设计方法的正确性。