查询词典 exponential decay

Besides, we use Kohlrausch-William-Watts stretching exponential function for radiative decay curve fitting to determine the degree of lifetime distribution.

另外，我们利用Kohlrausch-William-Watts 公式来决定生命周期分布的程度。

Calculate the exponential decay curve of the Preventive replacement costs until they intersect the corrective replacement costs on a time basis.

计算预防更换成本的指数衰减曲线直到他们在时间基础上横断矫正更换成本。

The polarization retention is investigated and shows a stretched exponential time dependence decay law.

用EFM模式研究了电畴极化保持特性，其表面电势差随时间的变化遵从指数函数变化规律。

For the percolation model on lattice nested fractals, thecritical phenominon, exponential decay law are investigated in the second chapter.

第一章研究了SierpinskiGasket格点图上边渗流模型的临界现象、指数衰减律和临界值的唯一性。

The test results show that both the permeability of sandstone and that of granite with a single fracture declines with the increasing effective pressure, following the law of exponential decay. The permeability sensitivity of granite with a single fracture to effective stress is much stronger than that of sandstone, but the recovery capability of permeability of sandstone is more stronger than that of granite with a single fracture.

试验结果表明，在围压升降过程中，砂岩和单裂隙花岗岩的渗透率均随有效应力的增加呈负指数规律减小，但单裂隙花岗岩的渗透率对有效应力的敏感程度远大于砂岩，而砂岩渗透率的恢复程度则远大于单裂隙花岗岩。

In this study, for the complicated distribution of dose rate in time and space, considering the repair of the sub-death cells, the radionuclide decay law and exponential proliferation of clonogenic cells, the dose-response relationship is built based on the known linear-quadratic model, and the concept of tumor control probability is introduced into the therapy method. Furthermore, the concepts about "curable stage" and "critical time point" and the methods calculating the amount of radionuclide injected into tumor in clinical are proposed.

本课题针对这一方法中靶区复杂的剂量率时-空分布特点，以公认的"线性-二次模型"理论为基础，同时考虑亚致死性细胞修复、核素衰变规律和克隆原性细胞指数增殖，建立了适合这一治疗方法的具有时-空分布特点的剂量效应关系，并进一步将肿瘤控制概率的概念引入这一方法中，提出了"治愈期"及"临界时间点"的概念以及由此指导临床确定药物注射剂量的方法。

The vertical concentration distribution is obtained for the mixed layer and free atmosphere for which the fitting from a linear and an exponential decay law, respectively, leading to the lapse rate of ～ 64cm〓 per 100m rise for the concentration in the mixed layer over the study region.

大气气溶胶粒子在逆温层下存在明显累积，混合层和自由大气中分别随高度线性和指数递减，辽宁地区混合层内垂直递减率约为-64cm〓/100m。

In chapter 2, we derive the various energy estimates and we state the exponential decay of the solution.

在第二章中，我们推出不同的能量估计并陈述了解的指数衰减性。

In some materials with periodic variation of dielectric constants and light within a certain frequency range shows exponential decay due to destructive interference and cannot propagate. This phenomenon is called photonic bandgap and this kind of structures is called photonic crystals.

介电系数周期性排列的材料，部分波段会因破坏性干涉呈指数衰减，导致无法在此结构上传播，此现象称为光子能隙，此类具有介电系数周期性排列的结构则称为光子晶体。

There is no glow peak from Dy3+. The decay characteristics of phosphors Y2O3:Eu3+0.01,Dy3+0.01 accord to Double exponential distribution.

热释光谱分析表明Y2O3：Eu3+0.01 中存在陷阱能级，但其没有余辉，即存在陷阱能级的样品不一定就会长余辉发光。

The small blue capacitor has very high chances to go fully shorted compare to electrolytic capacitor which is very rare.

小蓝电容器具有很高的机会去充分地缩短了比较电解电容器，这是非常罕见的。

In the Italian campaigns of 1513 and 1515, when the Swiss won the victories of Novara and Marignan, he acted as army chaplain.

在意大利的运动， 1513年和1515年，当瑞士赢得了胜利，诺瓦拉和marignan ，他担任军队的牧师。