exponential law

The results show that the relationship between die-swell ratio ( B ) and the entry pressure drop obeys the exponential law ;

结果显示，挤出胀大比（B）与入口压力降（ΔΡen）之间关系服从指数律；

A direct grey model of unequal gap which possesses white exponential law coincidence property is built . In the meanwhile , niche genetic algorithm to optimize model parameters is given .

建立了具有白指数律重合性的非等间隔灰色直接模型，给出了模型参数优化的小生境遗传算法。

Exponential law of velocity distribution for sediment laden flow

挟沙水流指数流速分布规律

Grey Exponential Law for Accumulative Generation On the Younger Generation

累加生成灰指数律&灰色控制系统的优化信息处理问题

According to exponential law , the porosity decreases with increase in strata depth .

孔隙度随地层埋藏深度的增加按指数规律减小，但是，在异常地层压力井段，孔隙度变化偏离这一规律；

Optimize an Optimal GM ( 1,1 ) Based on the Discrete Function with Exponential Law Once Again

基于离散指数函数优化GM（1,1）模型的再优化

The ventilated cavitation number decreased with the ventilation flow rate by exponential law at constant velocity .

在流速恒定情况下，随通气率的增大，通气空化数逐渐减小，呈指数规律衰减。

Entropy Criterion of Grey Exponential Law

灰指数规律的熵判据

The regularity of rigidity degeneration of either loading or unloading condition accords with exponential law .

组合梁的加、卸载刚度退化规律呈指数函数变化。

In the course of sewage irrigation , soil porosity increases first with exponential law , then comes to stable state .

灌污水后，两种土壤孔隙度先呈指数形式增加，而后保持稳定。

With the increase of shape factor , the ratio of defect reflection wave to incident wave increases by exponential law .

随着形状因子的增大，缺陷反射波幅值与入射波幅值之比呈指数增加。

The sediment yield rate of forage grass slope decreases with the duration of rainfall following a relationship of exponential law .

裸地坡面的输沙率随降雨历时呈高-低-高变化，而草地坡面的输沙率则随降雨历时呈幂函数递减。

It is shown that the grey exponential law can be obtained by means of accumulative generation for non-negative smooth discrete function .

本文论证了非负光滑离散函数累加生成后具有近似的指数规律，即灰指数律。

The equation shows that the magnetic induction intensity is a sinusoidal oscillation signal and its amplitude is a damped exponential law .

公式表明，电磁成形时磁感应强度正弦震荡，幅值呈指数规律衰减。

But the fire interval distribution of the DS model is an exponential law , different from the power law with periodical fluctuations of actual data .

然而，由DS模型得到的森林火灾频率&时间间隔为指数分布，与实际的周期振荡的幂律分布不符。

The stability and p-convergence characteristics of the method are studied and its p-convergence speed is very fast and follows exponential law .

研究了该方法的数值稳定性及p收敛特性，其p收敛速率很快且满足指数规律。

The averaged PAR at different depths in maize canopy was decreased with the increase of accumulated LAI by exponential law .

对实测资料的分析得出如下结论：（1）玉米冠层内平均PAR的垂直分布具有随着向下累计叶面积指数的增加而指数递减的趋势。

It is shown that the variation of gusty cueffieient with height can be fitted by negative exponential law .

并且指出，该阵风系数随高度呈负指数规律变化。

Accoroding to the field data of sediment laden flow and hyperconcentrated flow , the exponential law of velocity distribution are studied in this paper .

本文通过分析一般挟沙水流和高含沙水流的实测资料，研究了浑水中指数流速沿垂线分布的规律。

The p-convergence speeds are very fast and follow exponential law under different values of Plank number and are superior to the h-convergence speed .

在不同普朗克数下p收敛速率很快且服从指数规律并显著优于h收敛速率。

It is found that the change of threshold voltage value fits in exponential law with absorbed dose , which is caused by the effect of space charge and interface charge .

产生这种现象的原因是场效应管氧化物中的空间俘获电荷与吸收剂量近似成线性变化，对阈值电压变化和吸收剂量有近似线性的改变；

In image vector quantization ( VQ ), the computing complexity of the classical full search algorithm increases by exponential law with vector dimension and bit rate of quantization .

在图像矢量量化中，完全搜索算法的计算复杂度随矢量的维数与量化比特率呈指数规律递增。

We derived analytical solutions for converting dimensional density ( d ) to non - dimensional densities ( D ) assuming that fracture length distribution follows an exponential law .

在给定裂缝长度分布函数的前提下，推导出了有量纲裂缝密度（d）与无量纲裂缝密度（D，裂缝度）的解析关系。

In the paper , the criterion of the white exponential law of a discrete function is given after discussing the necessary and sufficient conditions of a continuous function being an exponential function .

研究了函数为指数函数的充要条件，并给出了白指数律的判别准则。

In the logarithmic phase of growth , according to an exponential law , the growth rate constant and heat output at different concentration of pilose autler had been calculated .

按指数生长模型计算出生长速率常数和总发热量，进而求出最佳用药质量浓度。

The variations of horizontal and vertical self-correlations of gust with time and the vertical thick increase can all be fitted by negative exponential law and increase with height .

阵风的水平自相关和垂直自相关分别随时间和垂直厚度加大呈负指数规律形式，而且两种相关都随高度增大而增大。

The mathematical model with finite solution for bedding plane air-leakage is established , in which the air leakage intensity is regarded as attenuating follows proximately negative exponential law .

建立了层面漏风的定解数学模型，将地表漏风强度近似看作按负指数规律衰减。

The AE response during accumulation of stress of friction sliding obeyed the exponential law too , but the exponential coeffcient was lower than that of fracture of intact sample .

摩擦滑动的应力积累阶段的声发射活动性也遵循指数规律上升，但指数系数较变形破坏过程为小。

Based on a Core-Shell model and the existence of spin-glass phase at the grain boundaries , we explained the observed resistance aging result and why our sample follows the stretched exponential law .

利用Core-Shell模型以及自旋玻璃相的存在对观察到的时效行为及拟合结果进行了解释。

The rate of deactivation depends on the storage temperature of activated ore , which conforms to the Arrhenius exponential law . A deactivation energy of 5.94 kJ / mol was obtained by data fitting .

活化钛铁矿的失活速率与温度有关，符合Arrhenius指数规律，失活能为5.94kJmol。