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distributions相关的网络例句

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CFD-fluent simulation software and measurement are applied to establish the math models of exhaust gas concentration distribution and boundary conditions. Finite volume methods and PISO are used to solve the differential equations of exhaust gas distribution in a kitchen. After the adjustment and comparison with those from the practical measure, the simulation results of CO2 and CO concentration distributions accord with experimental ones.

运用CFD-fluent模拟软件和实测相结合的方法,建立废气的浓度和扩散分布的数学模型与边界条件,利用数值分析法中的有限体积法和PISO算法对厨房内废气分布的微分方程进行离散和求解,对模拟结果进行校正并与实际测试结果进行比较。

The adsorption behavior of polydisperse polymers at solid-liquid interfaces was studied by the method of Monte Carlo simulations based on the lattice model, and effects of the polymer chain length in systems of both average and normal distributions on the adsorption layer thickness were evaluated.

在格子模型基础上用MonteCarlo方法模拟研究了多分散高分子在固液界面的吸附行为,重点考察了平均分布和正态分布两种不同链长分布形式的高分子在固液界面吸附层厚度的分布规律,模拟结果与概率统计模型计算的吸附层厚度分布趋势一致。

He adsorption behavior of polydisperse polymers at solid-liquid interfaces is studied by the method of Monte Carlo simulations based on the lattice model, and effects of the polymer chain length in systems of both average and normal distributions on the polymer conformation (tails, trains and loops distribution) are evaluated.

在格子模型基础上用Monte Carlo方法模拟研究了多分散高分子在固液界面的吸附行为,重点考察了平均分布和正态分布两种不同链长分布形式的高分子在固液界面吸附构型的分布规律。发现高分子不同的链长分布形式,对高分子吸附构型的性质影响较大。

Occurrence records from 1864 locations and 34 environmental variables from Daymet datasets were gathered, four modeling methods including Logistic Regression, Classification and Regression Trees, Genetic Algorithm for Rule-Set Prediction and maximum entropy method were used to generate potential geographic distributions for Dreissena polymorpha in the continental USA. Then three statistical criteria including area under the Receiver Operating Characteristic curve, correlation and Kappa were calculated to evaluate the performance of the models, followed by analyses of major variable contributions.

论文以1864个美国外来入侵物种斑马纹贻贝定点发生数据和开放式基础地理信息数据库Daymet的34个环境变量为主要信息源,采用逻辑斯蒂回归、分类与回归树模型、基于规则的遗传算法、最大熵法4种途径,建立美国大陆部分潜在生境预测模型,从接受者运行特征曲线下面积、Pearson相关系数、Kappa值3个方面来检验模型预测精度,在此基础上分析斑马纹贻贝的空间分布规律及其环境影响因素。

At each level, the parameters, hyper parameters and model parameters are adjusted to minimize the Kullback-Leibler divergence between their posteriors and real distributions so that the variable free energy can approach the real free energy.

在指出证据框架和自由能最小化方法等贝叶斯推理方法的局限性的前提下,通过对比证据框架的方法,提出了自由能框架的概念,将通常难以求解的自由能最小化过程分解成参数自由能最小化、超参数自由能最小化、模型参数自由能最小化等层次,在每个层次上调节参数、超参数和模型参数,使其后验分布为其真实分布之同的Kullback-Leibler距最小,以使可变自由能逼近真实自由能。

Furthermore, 27 of 35 of the IGHV sequences (77%) had mutations, with similar distributions after stratification either below or above the median time between the collection of the prediagnostic blood sample and the subsequent CLL diagnosis.

此外,35个IGHV序列中有27个(77 %)有突变,对诊断前血液样本收集和随后CLL诊断的中位时间进行分层,突变具有类似的分布。

It was found that the predischarge type varies clearly with relative humidity as the results of the influence of relative humidity on the field distributions.

发现,由于相对湿度对工频电场分布的显著影响,两类试品的工频预放电类型极为明显地随相对湿度的变化而改变。

The random errors of main factors in flood regulation process are identified; and combining flood forecast, the randomnesses of main parameters such as initial reservoir level, inflow flood, outflow flood, etc., are analyzed. By using the first order second moment method and theoretic distribution, the random distributions of parameters are described then the routing process of a certain preflood limit water level is random, which can well reflect the random preflood influences in actual regulation.

对防洪调度过程各主要相关参数进行了随机误差识别,结合洪水预报对起始水位、人库洪水、泄流等主要参数的随机性进行分析,应用一次二阶矩法和相应的理论分布函数描述事件的随机分布,对应某一汛限水位的调洪过程不再是一确定过程,而是具有随机分布特性,反映了实际防洪调度中各随机因素的影响作用。

The amount and distributions of cellular microfilanients and pseudopodia were studied by fluorescent cytochemistry, confocal laser scanning microscope and scanning e...

通过荧光染色结合激光扫描共聚焦显微镜观察和扫描电镜方法,观察细胞微丝数量、分布和细胞表面伪足情况,比较整合素β1及FN、LN对微丝骨架的影响。

03 And 5 mmol/L on cellular ultrastructure,Ca localization and elemental subcellular distributions in Pteris vittata L.

本文对砷和钙处理下蜈蚣草羽叶中砷、钙的亚细胞分布、超微结构变化及钙定位进行了研究。

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