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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。

Cladding field has been constructed by using the accurate functional form with two approximate parameters:the transverse decay constant in the cladding and the field value at core-cladding interface,which are already known.

包层场用修正贝塞尔函数以及已经求得的两个参量：包层径向衰减常量和场在纤芯-包层界面上的值重新构建。

On thebasis of Ds pure leptonic decays, the Ds decay constant is given by:By using the traditional method, that is, taging a Ds first, checking the remaining part of theevents, the consistant and compatible results are got.

利用Ds的单标记，即先标记出Ds，再研究事例的剩余部分，给出了一致的结果。

Contact angle ; angle - dependent XPS ; CF4/CH4 plasmas ; decay constant k of surface dynamics

接触角；变角XPS ； CF_4/CH_4等离子体；表面动力学衰减常数k

During the construction of the model,the depth of surface enrichment layer,the 137Cs depth distribution pattern in enrichment layer,the 137Cs decay constant,the 137Cs input fraction,the dept...

在建立模型的过程中，充分考虑了137Cs的衰变常数，年沉降分量，耕层厚度和采样年份等因素。

The core of this model is a function called a stretched exponential relaxation, which is similar to the decay curve of a radioactive material.

这个模型的核心是延伸型指数函数的松弛效应，就像放射性物质的衰变曲线一样。

The time when image sticking happens depends on the luminance decay curve of the display.

影像滞留的持续时间，跟显示屏的亮度衰减曲线有关。

Affects the decay curve,and the occurring time of the maximum expansion ratio will advance with

义。从沥青泡沫破裂的过程分析了两种沥青衰退方程差异的机理和粘度对衰退方程的影响，试验

The excitation, photoluminescence and afterglow spectra as well as the curve of afterglow decay were investigated.

测量了其激发、发射光谱及余辉衰减曲线。

The numerical results show that the photoconductive decay curve for minority carriers of the wafer can be expressed by the sum of the first mode and the second mode of this solution.

数值计算结果表明，薄片的少子光电导衰退曲线可以用这种解的一次模和二次模之和来表示。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。