镁和镧可减小活性衰减速率。
在精确的实验误差范围内，衰减速率的变化率为零。
The variant rate of decay rate is zero within thhe accuracy errors.
整个运行过程中膜通量衰减速率随着气水比的减小而增大。
During the running process, the membrane flux decline velocity increased while the gas water ratio decreased.
只有在修饰态之间最小间距远大于原子衰减速率时，外部增益峰才能被很好的分开。
The outer adjacent gain peaks are well separated from each other when the minimal spacing between dressed states is far larger than the atomic decay rates.
强探测场与弱跃迁进行共振耦合产生两个修饰态，修饰态间距远大于原子衰减速率。
The strong probe field is coupled to the strong transition and creates two dressed states, the level spacing of which is far larger than the atomic decay rates.
结果表明，超滤膜表面形貌愈粗糙，膜通量的衰减速率愈快，且化学清洗后恢复愈困难。
The results indicates that the rougher the membrane surface morphology is, the faster the speed of flux decline, and the harder to recover by chemical cleaning.
在封闭腔，对理想的四能级激光系统，无辐射衰减速率为零时微腔激光器的光输出特性是线性的。
In the closed microcavity of an ideal four-level laser system, when nonradiative depopulation is zero, the light output property of the microcavity laser is linearly.
它们具有全局渐近稳定性，且通过配置估值器的极点可按指数衰减速率使初始状态估值的影响快速消失。
They have globally asymptotic stability, and can forget the effect of the initial state estimates at an exponentially decaying rate by assigning the poles of the estimators.
这两种衰减速率一致光组合成我们所看到的白光，为色稳定性的近紫外芯片激发的余辉二极管的制备提供了依据。
The same decay rate of two kind of light are verified to combine the white light uniformly, providing the possibility for fabricating long aftergolow WLED with color stability during decay.
单模腔场的压缩性质受到外加驱动场的拉比频率，腔模频率与外加相干场频率的失谐量以及腔场衰减速率的影响。
The squeezing of the single mode cavity field is influenced by the driving field Rabi frequency, the cavity-mode frequency detuning from that of a coherent external field and the cavity decay rate.
在电磁搅拌作用下，电磁力的大小随钢液液池宽度的增加呈指数衰减趋势，其衰减速率与电流频率和搅拌器极距有关。
The electromagnetic force decays rapidly in the molten steel, and its decaying speed is related to the current frequency and polar pitch of the stirrer.
在相对湿度小于70%时，M衰减速率相对稳定，不随湿度改变而变化； 但当湿度大于70%时，则衰减速率急剧上升。
The decay rate of M-product was stable with low humidity and was accelerated rapidly with humidity higher than 70%.
在相对湿度小于70%时，M衰减速率相对稳定，不随湿度改变而变化； 但当湿度大于70%时，则衰减速率急剧上升。
The decay rate of M-product was stable with low humidity and was accelerated rapidly with humidity higher than 70%.
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