When the delay composition is moisture absorption, the coherence of the pressing delay composition become good, it enhance the crushability intensity and the resist impact capability.
当延期药吸湿后压药时,其压药的一致性变好,提高了延期药的压碎强度和抗冲击性能。
Compared with three-level atomic system, the atomic coherence effects in four-level can lead to EIT and EIA, which depend on the intensity of control light and the relaxation of the fourth level.
与三能级原子系统相比,四能级原子相干效应即可导致电磁感应透明的产生,也可产生电磁感应吸收现象,取决于控制光的强度和第四个能级衰变率的大小。
The results show that logarithmic light intensity fluctuation variance will be less when light source coherence becomes worse, i. e. it becomes into partially coherent light.
其结果表明,当光源的相干性变差,即变为部分相干光后,对数光强起伏方差变小;
Different shapes of intensity distribution can be gotten by changing the parameters of radius, location, transmittance of amplitude modulations and spatial position, and the coherence length.
通过对振幅调制半径、调制位置、透射率以及空间位置和相干长度参数的改变,可以获得不同形状的光强分布。
Different shapes of intensity distribution can be gotten by changing the parameters of radius, location, transmittance of amplitude modulations and spatial position, and the coherence length.
通过对振幅调制半径、调制位置、透射率以及空间位置和相干长度参数的改变,可以获得不同形状的光强分布。
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