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The mathematical models of the charges and the additional electric field in the changed dust layer are developed by the electrostatics.

本文基于静电学理论导出了带电粉尘层内的电量分布和电场分布随粉尘层厚度变化的数学模型。

Based on the classic composites laminates theory,the stiffness matrix and the equivalent damping matrix of the laminates which can be described by elastic constants and damping constants were determined.

根据经典层板理论分别推导出了显含弹性常数和显含阻尼系数的纤维增强复合材料层板的刚度矩阵和等效阻尼矩阵。

Based on polynomial interpolation and approximation theory,a Chebyshev orthogonal basis neural network is constructed in this paper.

根据多项式插值和逼近理论构造一个切比雪夫正交基神经网络,其模型采用三层结构并以一组切比雪夫正交多项式函数作为隐层神经元的激励函数。

Using elastic multilayer theory , the compressive stress and tensile stress of the subbase course by vibrating compaction are calculated and analyzed.

将振动压路机对被压实层施加的作用力简化为圆形均布荷载,利用弹性层状体系理论,对基层振动压实作用下的底基层压应力和拉应力进行了计算分析。

The paper combines investigative mode of theory analysis and numerical simulation analysis, based on elastic and plastic theory, explaining the relation of stress fields and stress- transmogrification. Then citing key stratum theory, the paper analyzing the moving rule of the stratum above the laneway along the gob, gaining some disciplinary cognition.

论文采用理论分析与数值计算模拟分析相结合的研究方式,根据弹塑性理论求解了巷道围岩的应力场及应力变形关系;进而引用关键层理论,对深井综放开采沿空巷道的上覆岩层运动规律进行分析,获得了一些规律性认识。

The enterprise bureaucracy's formation is the enterprise organizes to manage the shape development the inevitable product, it has is advantageous to enterprise development one side, but when faces the competition day by day intense market environment, the bureaucracy malpractice on the appearance comes out, the article utilizes Coss's enterprise nature theory, proposed the modern bureaucracy optimized way.

企业科层制度的形成是企业组织管理形态发展的必然产物,其有有利于企业发展的一面,但在面对竞争日益激烈的市场环境时,科层制度的弊端就显现出来,文章运用科斯的企业性质理论,提出了现代科层制度的优化途径。

In the second part of this work, a computor program is developed to calcalate〓L〓energy levels, reduced matrix elements, crystal field energy levels, oscillator strengths of f-f transition and theoretical f-f absorption spectra of f-ions. The calculation results of the f-f absorption spectra of Nd in water coordination sphere and H di (2-ethylhexyl phosphinic acid coordination sphere with different symmetric structure are shown and compared with observed spectra.

在第二部分中,编制了计算f离子的〓L,能级、约化矩阵元、晶体场中Stark能级分裂、f-f跃迁振子强度及f-f理论吸收光谱的计算机程序,以此程序分别计算了Nd在不同结构对称的水配位层及烷基磷酸配位层中的f-f吸收光谱,通过与实验谱比较,识别了可能的配位层结构,并讨论了f-f跃迁的强度机理。

Based on an analvsis of the aerodvnamicnoise source and its theoretical moddf of thelow pressure axial flow fan,and with the theory of the boundary layer and the aerodynamictheory of peripheral control inside the turbomachine blade,a new peripheral control methodwith additional guide vanes fitted on the blade surface is preposed.

在分析轴流式风机噪声源及其理论模型的基础上,应用叶轮机械叶片内部绕流控制的气动理论与边界层理论,提出了设置在工作轮叶尖与沿叶高上、中、下后缘处的附加导叶装置,以控制叶尖间隙噪声与沿叶高出口尾迹涡流噪声。

Based on the evaluation of rock mechanics properties of undrilling formation, a fuzzy optimization model for selecting the best similar layers with the same rock mechanics properties was established by applying theory of fuzzy optimization. Firstly the best similar layer located the undrilled area was chosen by the model. Secondly the performance of the bit used in the selected layer was evaluated by economic benefit index.

该方法在待钻地层岩石力学性质评价的基础上,首先应用模糊优选理论建立了地层岩石力学性质相似层位的模糊优选模型,用其进行相似层位的优选,然后应用经济效益指数法对相似层位的钻头性能进行评价,最后给出合理的钻头选型结果。

By extending the quantum-well theory for the metallic multilayers to the case ofnon-metallic spacer,we have studied the bilinear coupling with the method of totalenergy calculation and determining self-consistently the Fermi energy.

把金属磁性多层膜的量子阱理论推广到磁性隧道结中,并利用总能计算和自洽求解费密能的方法研究了层间耦合。

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推荐网络例句

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆,把帆卷起,系住。

Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.

因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。