查询词典 decay constant

A fitting curve between the decay time constant and the film thickness of YBCO was obtained, and the film thickness can be obtained from the fitting.

另外还作出了YBCO薄膜的薄膜厚度与衰减时间常量之间的关系曲线，提出了测量YBCO薄膜厚度的一种新方法。

In this paper,the in- fluence of the coupling aperture on the sound energy decay and coupling constant in the primary room is investigated by means of the finite-difference time-domain method,and the investigation is limited within the low-frequency range.

文中运用时域有限差分法，在低频范围内模拟了耦合窗面积的改变对主厅中不同位置的耦合常数和声能衰减的影响。

The transient is seen to be a decaying exponential, and the commonly used measure of the speed of decay is the time constant

由图可见，瞬态响应为指数衰减的，通常用时间常数来衡量其衰减速度。

Recent experiments on the Si (111)(7×7)-(1×1) phase transition showed that when the temperature is raised above the critical temperature, a 7×7 island decays to zero at a constant area decay rate which increases with the size of the initial area.

近期Si(111)(7×7)-(1×1)相变的实验研究发现，将温度升高到相变温度以上时，7×7岛面积以恒定的衰减速率随时间减小至零，且初始面积越大的岛这个衰减速率就越大。

The results indicate that the operational cost at DO of 0.9mgL is the lowest,which has great diversity compared with the conventional view that DO level should be maintained above 2mgL.The assumption that the decay rate constant Kd is not affected by DO is not rational either.

结果表明，DO为0.9mgL时所需运行费用最少，这与主张应当维持DO浓度大于2mgL的传统观点相比相差甚远衰减速率常数Kd不受DO影响的假设也不合理。

The time constant of fluorescence decay of Phe a RC after excitation with 45-fs, 799nm laser pulse was observed to be faster than that of native reaction centers in control.

飞秒激光诱导实验表明，诱导后修饰反应中心时间分辨的发射荧光寿命降低。

The objective parameter EDT, and more precisely, the correlation between the initial slope of the decay curve of the stationary field and the average damping constant of all excited normal modes, has been studied by some authors, i.e.H.

对于客观参量EDT，或者更确切地说，对于稳态声场衰变曲线的初始斜率与包括所有简正模式在内的平均阻尼常数之间关系的研究工作，已有一些研究者做过，如H。

The objective parameter EDT, and more precisely, the correlation between the initial slope of the decay curve of the stationary field and the average damping constant of all excited normal modes, has been studied by some author, i.e.H.

对于客观参量EDT，或者更确切地说，对于稳态声场衰变曲线的初始斜率与包括所有简正模式在内的平均阻尼常数之间关系的研究工作，已有一些研究者做过，如H。

More than 50 GaAs/GaAlAs High Power Single Quantum Well Semiconductor Lasers are aged. The threshold current decreases during the early aging (first 520 h) and the largest decrease is 57 mA. From the aging result of more than 1000 h at constant current, we find that output power increases during the early aging , and then decay slowly according to exponent law.

通过对50余只808nm的GaAs/GaAlAs高功率单量子阱远结半导体激光器的老化实验观测，在老化初期（前520h），阈值电流随老化时间的延长而下降，下降幅度高达57mA，从1000h多的恒流电老化结果可以看出，器件的输出光功率在老化初期有所上升，随后，表现出按指数规律缓慢下降的行为。

The constant of electrostatic charge decay time is an important physical quantity that can describe the electrostatics property of materials.

0引言静电衰减时间常数是衡量防静电材料性能的重要物理量，对其的测量对于防治静电危害是十分重要的。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。