It is proved that PCD show out-of-phase change tendency in the east and west of northwest china, and PCP show out-of-phase change tendency in the south and north of northwest china. 中国西北年降水集中度东、西部表现出反向变化趋势,而降水集中期南、北部表现出反向变化趋势;
The distributions of in-phase mode and out-of-phase mode of diode laser array at Talbot distance, one-half Talbot distance and one-quarter Talbot cavity were calculated numerically using the plane wave theory. 采用数值计算的方法,对二极管激光阵列在Talbot腔、1/2Talbot腔和1/4Talbot腔中锁相时,同相模和异相模的分布进行了计算。
This model was used to investigate the out-of-phase vibrations and pounding effects of adjacent girders at expansion joints by the nonlinear time-history analysis method. 在此基础上,应用非线性时程方法研究了纵向地震作用下连续梁桥相邻联的非同向振动和伸缩缝处的碰撞效应。
A parameter Δ W is proposed from energy aspect to characterize the capacity of crack propagation. The in-phase thermal fatigue life is the same as the out-of-phase thermal fatigue life for identical Δ W values. 从能量角度提出了一个用于描述裂纹扩展能力的参量ΔW,在相同ΔW值下,同相热疲劳寿命和异相热疲劳相等。
Taking two typical disturbances as three phase sudden short circuit and out-of-phase synchronization as examples, the dissertation has a study on transient behaviour of machines and grid under disturbances. 课题以三相突然短路和误同期二种典型的扰动形成为例,进行了机网系统在扰动情况下的瞬态行为分析研究。
According to the distributions of the in-phase mode and out-of-phase mode in fraction Talbot cavity, a tilted external cavity mirror of 1/ 2 Talbot cavity was adopted, which made the in-phase mode be selected and the loss of the mode be lowered. 根据同相模和异相模在Talbot腔中的分布特性,采用1/2Talbot腔并将外腔镜倾斜一个角度α的方法既能选择同相模,又能使模式的功率损耗最小。
Additional Softening and Strengthening Behavior of Hydrided Zr-4 under Biaxial Out-of-Phase Loading Zr-4合金双轴加载中的非比例附加软化与附加强化
The results of experiments and calculations show that the life of out-of-phase fatigue is longer than that of in-phase fatigue under the same strain range. This is the same as the results of other materials such as medium and low carbon steel. 试验和计算都表明,在相同应变范围下,异相热疲劳寿命高于同相,这与中低碳钢等材料结果相同。
Far field distributions of in-phase mode and out-of-phase mode were calculated using Fresnel diffraction formula of one-dimension on the basis of near field amplitude distribution. 在同相模和异相模近场分布的基础上,利用1维情况下的菲涅耳衍射公式计算了其远场分布。
Nonproportional Cyclic Plastic Behavior of Locomotive Shaft Steel under Out-of-Phase Loadings 在多轴非比例加载下车轴钢的循环塑性本构行为的研究
The anomalous water vapor transport in drought and flood years is not a simple out-of-phase relation; 旱年和涝年的异常水汽输送不是简单的反位相关系。
Centromere Spreading and Out-of-phase Chromatid Separation& A Mechanism Inducing Chromosomal Aneuploidy in Tumor Cells 着丝粒散开和染色单体期外分离&一种导致肿瘤细胞染色体非整倍性的机制
Because of quantity increased in water body of which having out-of-phase, which leading to volume breaking strength decreased, thus cavitation damage occurred easily. 由于水体中异相介质数量的增多会使体积破坏强度降低,空化容易发生。
The fatigue life is the longest under fully reversed torsion and the shortest under 90 ° out-of-phase combined tension and torsion. LY12铝合金试样在纯扭转加载时的寿命最长,在90°非同相拉扭复合加载时的寿命最短。
The tests of Thermal Mechanical Fatigue ( TMF) in different heating rate at both in-phase and out-of-phase conditions was carried out. 通过改变升温速率,研究了GH4133高温合金在同相位和反相位状态下的热机械疲劳特性。
The proposed algorithm is applied to the multiaxial in-and out-of-phase experiments to assess the correlation between the weight-averaged maximum shear strain direction and the position of the experimental fatigue crack initiation plane. 通过多轴比例、非比例加载试验验证权值平均最大切应变平面与疲劳裂纹萌生平面的相关性。
It was also observed that a marked hysteresis between the stress peak values and the strain peak values was present in the stress strain curve when the material was subject to out-of-phase cyclic loadings. 研究结果还发现,在非比例循环加载下,材料产生各向异性塑性应变,其应力应变曲线中应力峰值与应变峰值之间存在明显的滞后现象。
Therefore, compared with climate event in 1960s, global warming in 1980s was not a simple out-of-phase interdecadal climate change event, but the different climate responses to different physical factors. 所以,80年代气候变暖事件与60年代气候变冷事件相比较,并不是单纯的气候年代际反位相振荡的结果,而是不同时间尺度信号相互作用下引起的气候不同的响应。
After examining the stability properties of the stationary solu-tions ( kink solitons), we found that out-of-phase kink solitons will be completely stable provided that lattice depth exceeds a critical value, moreover, saturable nonlinearity enhances the pedestal height and renormalized energy flow of kink solitons evidently. 通过对扭结孤子稳态解线性稳定性分析,我们发现当格子深度超过一个临界值时异相扭结孤子是完全稳定的,并且饱和非线性能够提高了扭结孤子底座高度和震荡尾巴的振幅。
Set up in-phase and out-of-phase thermal fatigue model, analyze the difference between them. Finally, add the effects of creep factor, analyze the combined effect of thermal fatigue and creep on crack growth. 建立同相和异相热疲劳模型,分析两者的区别。最后,加入蠕变的影响因素,分析热疲劳和蠕变共同作用对裂纹扩展的影响。
As we know, the four port magic-T structure is easy to achieve in-phase/ out-of-phase power distribution and plays an important role in the microwave technology. 四端口的魔T器件由于很容易实现等功率同相/反相的功分作用,在微波技术领域中有着广泛的应用。
Ground resonance is a specific self-excited oscillation of the helicopter and is caused by the interaction between the main rotor blades and the fuselage structure. Inertia forces of the blades perform an out-of-phase lagging motion, which reacts with the elastic landing gear of the helicopter. 地面共振是直升机领域内由于旋翼系统中桨叶周期摆振后退型模态和机身系统在弹性起落架上的运动相互耦合产生的一种特殊的自激振动。
It is not only in the out-of-phase system ( oil-water interface), which play a role, in addition, they also remain active in a variety of organic solvents. 它不仅在异相系统(油-水界面)中发生作用,而且有些脂肪酶在有机相中也能起催化作用。