蚤类群落的种多度分布服从对数正态分布。
The species abundance distribution of fleas conformed to the lognormal distribution pattern.
实验发现 ，颗粒粒度的分布服从对数正态分布规律。
There is a wide range of particle sizes which approximate the log normal distribution law.
阴影效应服从对数正态分布，而多径衰落服从瑞利分布。
The shadow affect is logarithmic normal distribution, and the multi-path fading is Rayleigh distribution.
当载荷服从对数正态分布时，滚动轴承的可靠寿命具有解析式。
If obeying logarithmic normal distribution, the reliable life of rolling bearings presents in an analytic form.
混凝土截面尺寸偏差服从正态分布，轴线位移偏差服从对数正态分布。
It has found that section dimension deviations yield with normal distribution; axis line deviations yield with lognormal distribution.
亚稳蚀孔的峰值电流在恒电位下也服从对数正态分布且随电位升高而增大。
The peak currents for metastable pits also follow lognormal distribution and rise with potential.
本文研究如何用地质统计学方法处理服从对数正态分布的化探数据的问题。
This paper studies how to use the geostatistical method in processing geochemical data, which follows the lognormal distribution.
结果表明，在同一应力水平下，所用试样的常幅疲劳寿命服从对数正态分布。
It is shown by test results that at a given equivalent stress amplitude the constant amplitude fatigue life follows the lognormal distribution.
本文首次指出电化学噪声服从对数正态分布与反幂律，它的产生在于系统的复杂性。
This paper points out that the electrochemical noise obey logarithmic normal distribution and inverse power law, and the electrochemical noise is caused by the systematic complex.
证明在社会经济系统中，反映研究对象规模大小的统计数据近似服从对数正态分布。
It is shown that the statistical data from survey units, which describe the scale of social and economic system, must be approximately subordinate to logarithm normal distribution.
本文对净资产价值的分布进行了实证分析，结论表明净资产价值服从对数正态分布。
In this paper, we make a demonstration analysis on net asset value distribution, it is proved that the net value of assets subject to lognormal distribution.
数值结果表明，红外LED 的寿命服从对数正态分布，其加速模型符合逆幂定律。
The numerical results show that the infrared LED life is characterized by lognormal distribution, and the accelerated model meets the inverse power law.
结果表明：冰厚和冰速分别服从对数正态分布和瑞利分布，海冰压缩强度服从正态分布。
It is shown that the ice thickness and the ice velocity satisfy with Lognormal distribution and Rayleigh distribution respectively, and that the ice compression strength obeys normal distribution.
疲劳寿命在一定显著水平下服从对数正态分布，由此可以证明疲劳损伤阀值服从正态分布。
The fatigue damage threshold observes the normal distribution under the condition of the logarithmic fatigue life observing the normal distribution.
在假设产品寿命服从对数正态分布情况下，提出了用分散系数法评估极小子样产品的可靠性。
When fatigue life following lognormal distribution, fatigue life scatter factor (LSF) methods are constructed to evaluate component reliability with very small samples.
结果表明，变幅载荷下疲劳寿命的预测结果和模拟结果均服从对数正态分布，且两者符合很好。
The test results show that the predicting fatigue life under variable amplitude loading follow the log normal distribution and agree well with simulation test results.
在因子范围服从对数正态分布下，应用线性回归技术和极大似然法建立了模型参数的测定方法。
Parameters of the model are measured by a linear regression technique and a maximum likelihood method.
实验数据分析表明，诱导时间的倒数的随机变化规律服从对数正态分布。同样，诱导时间亦服从对数正态分布。
By experimental data analysis, the random change of the reciprocal induction time as well as the induction time is in conformity to logarithmic normal distribution.
通过实地调研，应用游程检验和P-P概率图的原理，研究了昆明市某超市销售收入，得出在该超市购物的消费额是服从对数正态分布，并对其均值进行了参数估计。
With the aid of on-the-spot investigation, the principle of runs test and P-P plot are applied to the study of sales income of a supermarket in Kunming.
我们研究股票市场价格时，通常认为股票价格模型服从布朗运动，即对数收益率是正态分布的。
When we study stock market, we usually think that the model of stock price obeys Brownian movement, which log-return characterize normal distribution.
然而对实际市场数据的经验统计结果表明，多数股票的对数收益率并不服从正态分布。
But Statistics result of actual market indicate most log-return of stock disobey normal distribution.
老果园土壤和新果园土壤全磷浓度都服从自然对数正态分布。
Old orchard soil and new orchard soil the whole phosphorus concentration obey natural logarithm normal distribution.
分层注水的层段注水强度服从于对数正态分布，并且其变异系数为一常数。
The distribution of separate layer injection intensity appears lognormality, and the variable coefficient is one constant.
民机结构的疲劳寿命服从双参数威布尔分布，其分散系数与战斗机基于对数正态分布的疲劳寿命分散系数存在明显的不同。
The fatigue life of civil aircraft structures obeys two parameter Weibull distribution, its scatter factor is significantly different from that obeys logarithm normal distribution.
结果：在数据服从正态和对数正态分布时，次序统计量回归效果明显优于简单替换法；资料服从非正态分布资料时，次序统计量回归方法没有明显优势。
Objective: the purpose of this study was to compare the performance of regression on order statistics(ROS) and substitution methods in estimation of nondetects.
结果：在数据服从正态和对数正态分布时，次序统计量回归效果明显优于简单替换法；资料服从非正态分布资料时，次序统计量回归方法没有明显优势。
Objective: the purpose of this study was to compare the performance of regression on order statistics(ROS) and substitution methods in estimation of nondetects.
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