lognormal

Reliability analysis for the lognormal distribution in the case of zero-failure data

对数正态分布无失效数据的可靠性分析

互联网摘选

The vertical and the horizontal coefficient of consolidation a lognormal distribution or a gamma distribution.

固结系数的概率分布一般为对数正态分布或伽玛分布.

互联网摘选

Determination of Parameters of Lognormal Model from the Power Spectrum of Reconstruction Ly α Forest

重构Ly-α线丛的功率谱约束对数正态（LN）模型参数

互联网摘选

Statistical Analysis for the Environment Factor of the Lognormal Distribution Based on Censoring Samples

对数正态分布场合环境因子基于截尾样本的统计分析

互联网摘选

Discussion on optimal Estimation Method of the Third Parameter c When Fitting a Lognormal Distribution with Three Parameters

拟合三参数对数正态分布时第三参数c的优选方法探讨

互联网摘选

Study on Dual Index System of Slope Stability Based on Lognormal Distribution

对数正态分布下边坡稳定性二元指标体系研究

互联网摘选

The peak currents for metastable pits also follow lognormal distribution and rise with potential.

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.

互联网摘选

AMLEs for Constant Stress Accelerated Life Testing under Lognormal Distribution

对数正态分布场合恒定应力加速寿命试验的MLE和AMLE

互联网摘选

A lognormal distribution model was used to fit the mite species abundance.

革螨种多度分布用对数正态分布模型拟合。

互联网摘选

The lognormal distribution , like the normal, is completely specified by its mean and standard deviation.

对数正态分布,如同正态,以其平均值和标准差被完全地指明.

网络文摘精选

Statistical inference for geometric process of lognormal distribution

对数正态分布几何过程的统计推断

互联网摘选

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.

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。

互联网摘选

Fuzzy failsafe design while the fuzzy strength is lognormal distribution stress

对数正态分布应力模糊强度时的模糊可靠性设计

互联网摘选

Disjunction Kriging and Its Application to Ore Reserves Estimation Under Lognormal Distribution

在对数正态分布下的析取克立格法及其在储量估算中的应用

互联网摘选

Thermal fatigue Random variable Probabilistic analysis Solder joint Lognormal distribution;

热疲劳；随机变量；概率分析；焊点；对数正态分布；

互联网摘选

Lognormal distribution is reasonable in the low cycle fatigue life range of disc materials studied.

对数正态分布函数在本工作所研究的轮盘材料低循环疲劳寿命范围内是合理的。

互联网摘选

The first, the process of asset price and the exchange rate are assumed to be lognormal distribution in a complete and continuous market model. Using the theory of stochastic calculus, we establish the multidimensional Black-Scholes models of Foreign Equity Options.

一，本文假定股票价格与汇率均服从时间参数的几何布朗运动连续模型，用随机分析理论建立了多维股票-汇率联动期权Black-Scholes模型；

互联网摘选

Likelihood Ratio Test of the Lognormal Population

的平均比差值（？）对数正态总体的似然比检验

互联网摘选

The Bayes Method for Accelerated Factor of Lognormal Distribution Calculation

对数正态分布加速因子的Bayes估计

互联网摘选

And a scaling lognormal model of flood volume is introduced to represent the affection of temporal scale of duration in annual maximum flood volume distributions.

并提出了洪水洪量的对数正态分布模型来表征年最大洪量分布中历时的尺度影响。

互联网摘选

Field capacity obeying normal distribution and lognormal distribution increased with content of fine particle in soil.

田间持水量服从正态分布或对数正态分布，田间持水址随细颗粒含量的增加而增加。

互联网摘选

The geochemical background levels are obtained by applying lognormal distribution plots to Pb, Cu, Zn, V, Se and Ti.

利用对数正态分布图获得了Pb、Cu、Zn、V、Se和Ti等元素的地球化学背景值。

互联网摘选

Investigation on accelerated life test of VFD based on lognormal distribution

基于对数正态分布的VFD加速寿命试验研究

互联网摘选

Lognormal Distribution in the Simple Growth Model

简单生物生长模型中的对数正态分布

互联网摘选

Price Models: Constant price model, General deterministic price model Lognormal price model, Poisson price model.

价格模式: 以固定价格计算模型, 一般确定性的定价模型,数正态分布的价格模型, 泊松价格模型.

互联网摘选

To verify it, the defect sizes and the NDT experimental data are sup-posed to be subordinated to the lognormal cumulative distribution, and the theoretical formula of probability of de-tection ( POD) and reliability index are established.

为了对其进行验证，借助缺陷尺寸、检测数据对数正态分布模型，建立了狭义可靠性研究中缺陷检出率（POD）及其可靠性指标β的数学表达式。

互联网摘选

Lower Confidence Limit for the Reliability of a Standby System with Lognormal Distribution Components

对数正态型元件贮备系统可靠性的置信下限

互联网摘选

Based on the variation of the reliability, of equipment, it is proved that the reliability of a tandem system is not a deterministic variable but a stochastic one, and has a lognormal distribution.

本文从研究设备实际生产可靠度的随机性开始，证明了串联系统生产可靠度是一个随机变量，并且服从对数正态分布。

互联网摘选

Component's life and repair time includes six kinds ofdistributions: Exponential, Normal, Lognormal, Gamma, Beta and Weibull.

元件寿命分布和维修时间分布包含六种型式: 指数分布, 正态分布, 对数正态分布, 伽玛分布, 贝塔分布和威布尔分布.

网络文摘精选

And lognormal distribution can be used to model curvature ductility and plastic rotation angle.

曲率延性、塑性转角服从对数正态分布。

互联网摘选