查询词典 factor model

The nonlinear mapping of artificial neural network was used to construct a complicated mathematical model in terms of dynamic friction factor and influencing parameters.

同时编制程序进行多参数共同作用下的摩擦因数实例仿真分析，结果表明研究方法的可行性。

Factor analysis revealed that a model consisting of two factors (social dysfunction and dysphoria) using corrected GHQ scoring showed a high level of goodness-of-fit.

因素分析显示由两因素组成的模型（社交障碍及病理性心境恶劣）用校正GHQ评分有很高的拟合优度。

The values of activity energy, integral adsorption heat and pre-exponential factor were obtained by the kinetic parameters estimated from the model.

动力学模型计算得到60℃时酯交换反应的生物柴油收率与实验结果之间的剩余标准差s为0.0196，表明模型可靠。

This paper described such a comprehensive model based on a great number of documents, which takes into consideration details including air entrainment of fuel liquid zones, unsteady heat transfer during droplet evaporation, difference between premixed and entrain dominant combustion rate, compression factor of actual gas in cylinder pressure calculation and minimization of free energy during chemical equilibrium.

摘 要：对增压直喷柴油机的缸内空气卷吸、瞬态燃油液滴蒸发、燃烧过程的分段特征、化学反应平衡的最小自由能机理、实际气体性质修正、燃烧排放物生成等进行了分析，结合缸外的喷油过程仿真及进排气过程的容积法，建立了一个综合的研究性能及排放的准维多区模型，并进行了两个机型多个工况的实机试验比较。

Factor analysis and structure equitation model were used here.

在文献分析的基础上，基于消费者感知的角度，从界面设计、网站内容、技术支持、有用性、易用性和网站效应等六个方面提出了电子商务网站用户的感知因素对其满意度和行为的影响的假设，构建了研究模型，根据研究变量制定了问卷并搜集到180份有效问卷，分析了样本的特征，利用SPSS对模型量表进行了信度分析和因子分析，并采用结构方程模型软件LISREL进行了实证分析。

an equivalent model of Al electrolytic capacitor has been studied in this paper. The change law of the equivalent serial capacitance, dissipation factor and impedance of Al electrolytic capacitor has been discussed at different frequencies with Agilent4395A Impedance Analyzer.

研究了铝电解电容器的等效模型，讨论了铝电解电容器在不同频率下，其等效串联电容、介质损耗因子、阻抗随频率变化特性，采用Agilent4395A阻抗分析仪测量了铝电解电容器参数、阻抗-频率特性等。

The mutual inductance of the equivalent circuit, coupling coefficient, quality factor of the DR and microstrip coupling model have been discussed.

本文分析了振荡器的基本原理，介绍了振荡器的两种基本模型；给出了应用广泛的环路增益公式的推导过程，并提出了新的环路增益公式；讨论了振荡器相位噪声的线性化模型；介绍了锁相环的基本原理，分析了锁相环各部分电路相位噪声的传递函数。

In order to improve the reliability of the nuclear Generating Sets and the stabilization of the power system, prevent the long time low frequency oscillation caused by the disturbed of the outside electrical net, assured improving the stabilization margin of the nuclear generating sets in the precondition of enough transient stability, validate the sensitivity of the parameter to the damping of Generating Sets of the MEC5220 digital excitation adjustor produce in Japan that used in the Second Project of Qinshan Nuclear Power Plant, confirm the parameter rationality of the digital excitation adjustor, optimize the parameter of PSS, in this paper, we put up a in-depth study to the principle of MEC5220 digital adjustor produce in Japan by the PSS/E software that develop by the PTI Company in the USA, completed the modeling of the excitation adjustor, PSS, generator, excitor, described the performance of this excitation adjustor, analyzed the essential reason that caused the low frequency oscillation, illuminated the factor that influence the damping characteristic of the MEC5220 digital excitation adjustor. Based on model and emulate, this paper optimized the primary parameter of the excitation adjustor, make a reasonable regulation to the PSS parameter.

为提高核电机组的运行可靠性和接入系统的安全稳定性，防止在外电网的干扰下核电机组发生长时间的低频振荡，保证机组在暂态稳定的前提下提高其稳定裕度，验证秦山核电二期核电机组所配日产MEC5220型数字式励磁调节器参数对机组阻尼的灵敏性，确定数字式励磁调节器的参数的合理性，优化PSS整定参数，本文利用美国PTI公司研发的PSS／E软件对日产MEC5220型数字调节器的原理进行进行了深入细化的研究，完成了励磁调节器、PSS、发电机、励磁机的建模，描述了该型励磁调节器的性能，分析了产生低频振荡的根本原因，阐明了影响阻尼特性的因素。

First, considering the volume expansion process of corroded bolt, the displacement model of mortar inner surface leaded by bolt corrosion is established after the loss of corrosion production is denoted by a filling factor. Second, based on elastic theory, the mortar cracking process is analyzed after the concept of influence coefficient of surrounding rock is introduced in the course of analyzing, and the degree of cracking course affected by surrounding rock parameter is also analyzed; the finite element method is adopted to verify the results.

考虑锚杆锈蚀体积膨胀过程，以填充系数表示砂浆开裂过程中锚杆锈蚀产物的损失，建立了锚杆锈蚀后砂浆内部位移模型，以弹性力学为基础，引入围岩参数影响系数概念，对锚杆锈蚀导致砂浆保护层开裂过程以及围岩参数对开裂过程的影响程度等进行了分析研究，并采用有限元分析方法对其进行了验证。

Factor analysis is employed in this study to set up a model.

在这篇文章中我们运用了因子分析的方法进行研究，从而建立分析模型。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。