Acoustic emission characteristics changed by notch effect. 缺口效应引起了声发射特性的变化。
Due to the clamped joint, the susceptible piston rod thread is superfluous and the notch effect and danger of cracks are no longer given. 由于采用了该夹紧接头,无需易变的活塞杆螺纹,也不再给出切口效应和裂缝危险。
The machinability of developed steel is improved by taking advantage of notch effect and lubrication action of dispersed fine graphite particles. 开发钢的组织由铁素体和石墨组成,其中,石墨的缺口效应和润滑效果赋予了开发钢较高的切削性能和冷成形性能。
Suppressive Effect of Notch Signal Activation on Apoptosis of Multiple Myeloma Cells 激活Notch信号抑制多发性骨髓瘤细胞凋亡
Therefore, it is very important in theoretic and practical engineering to restudy fracturing mechanism of notch blasting with dynamic computerized simulation software, and study the impact on notch parameter and charging parameter changing to fractured control blasting effect. 因此用先进的动态数值计算软件对成槽炮孔爆破成缝机理重新认识,研究刻槽参数变化和装药参数变化对断裂控制爆破效果的影响,有着重要的理论价值和实际的工程意义。
The minimum sizes of specimens that can get effective K_ ( 10) values by 3-point bending, 4-point bending and CT methods are derived on the basis of their notch sensitivity laws and size effect equation of concrete. 本文在混凝土尺寸效应公式和混凝土的切口敏感性规律的基础上,推导出对于三点弯曲、四点弯曲、紧凑拉伸断裂实验,能够得到有效K(1c)值的试件的最小高度。
Different notch contours have very little effect on the fracture strength of the material when tested in air. 在空气中试验,缺口状态对材料断裂强度几乎无影响;
The essence of crack-technique is, using the stress concentration effect or notch effect on precut notch, to make crack growth near the cut-tip and to realize continuous interface quickly and regularly separated of solid materials in sensitive stress produced by means of proper preloading. 裂纹技术的本质是在适宜的预荷方式造成的敏感应力状态下,利用人为切口的应力集中效应或缺口效应,使切口尖端的裂纹扩展,从而实现固体材料连续界面快速和规则分离。
The basic principle and design technique of the filter are discussed in detail. A design example indicates that the notch frequency shift caused by the quantization effect of this method is much less than that of cascade method. 该文详细论述了该陷波滤波器的基本原理和设计方法,并通过一个设计实例说明了该方式由于量化效应引起的频率偏移量要远远小于级联方式。
Improving measures should include: change the nonstructural form of joint, remove the notch effect on groove weld in beam flange, modify the configuration of sphere corner, and strengthen the connection between web and column. 讨论总结了改进节点设计的途径和改进措施,如:改变节点的构造形式,去除梁翼缘焊缝衬板缺口效应,改进扇形切角构造,加强梁腹板与柱的连接等。
The results showed that the dimensions and geometry of the notch had effect on the K_ ( lc) values. 试验结果表明,切口的几何尺寸影响着K(IC)值。
By using the thermo-simulation and Charpy-V notch impact test along with observation of the microstructures in the cleavage crack is initiated, the effect of manganese on the toughness of various zones in C-Mn multipass weld metals is investigated. 本文通过热模拟、夏氏冲击及启裂源组织观察等实验,研究了锰对C-Mn钢多层焊缝韧性影响的机理。
However, the regulatory effect of Notch signal on the proliferation and apoptosis of multiple myeloma cells remains unclear. Notch信号是骨髓中细胞与细胞之间通讯的主要信号通路之一,它对多发性骨髓瘤细胞的调节作用目前并不清楚。
The experimental results show that the notch shape has a great effect on the fracture behavior and fracture toughness measurement of brittle materials. 结果表明,中心切口圆盘试件的切口形状对断裂行为和断裂韧度的测试结果有显著的影响。
The notch effect at the welded toe reduces very much the initiation life of crack ( 0~ 10 μ m or 20 μ m in depth). 焊趾的缺口效应使裂纹的萌生(0~10μm或20μm深)寿命极短。
The method of hot sealant notch pouring for maintenance of pavement cracks with characteristic of little investment, long life, obvious effect, is a method worth being popularized and should be paid enough attention by maintainers. 采用热用密封胶开槽灌缝方法修补路面裂缝,综合投资少,使用寿命长,效果明显,是一种值得大力发展的新技术,应引起公路养护工作人员的足够重视。
Through comparison with three dimension single notch compact tension specimen, effect of inclined crack plane and different angle loading to SIF and SERR of crack tip is analyzed and summarized. 通过与三维单边直裂纹的紧凑拉伸试样进行比较,分析并总结倾斜裂纹面及复合加载对裂纹尖端应力强度因子和能量释放率的影响。
Lots of experiments and researches on the effect of single notch on fatigue limit have been conducted domestic and abroad in the past years; however, researches on the effect of multi notches on fatigue limit are rarely seen. 关于单一缺口对疲劳极限的影响,过去国内外都进行了大量试验和理论研究,但多重缺口对疲劳极限影响的研究报道却较为少见。
In this study, the effect of Notch signaling on expansion of cord blood ( CB) hematopoietic progenitors and osteogenic differentiation of marrow MSCs was evaluated. 1. 本研究观察了Notch信号对脐带血造血干/祖细胞的扩增作用以及对骨髓MSC分化的影响。
The anti-tumor effect of docetaxel is reflected in the regulation of proliferation and apoptosis of tumor cells through multiple signaling pathways. Whether docetaxel has cross-talk with the Notch signaling pathway has not been reported. 多西他赛的抗肿瘤效果即体现在其通过对多个信号通路的调控影响肿瘤细胞的增殖和凋亡,其与Notch信号通路是否存在交叉传导,目前为止未见文献报道。
Adaptive notch filter, amplitude recovery and phase correction was adopted as signal extraction method according to the effect characteristic of simulation system. 根据模拟装置系统的影响特征,采用陷波器、幅值恢复、相位校正等方法进行支架系统影响的抑制、消除以及信号还原。
The Notch signaling pathway has very important effect in the process of animal growth, especially in the animal development. Notch信号通路在动物的生长中具有很重要的作用,尤其是对动物的发育有很深的影响。
Shear bands nucleate firstly at the notch tips under perturbation in the strain/ stress fields, which produce a greater shielding effect on the large area in the vicinity of the notch. 应力和应变的扰动导致剪切带在缺口尖端优先形核,并对缺口附近的较大区域产生了屏蔽作用。