查询词典 electro-ultrafiltration

On the basis of typical photon noise model of the electro-optical imaging system, a real-time photon noise generator has been developed for producing photon noise which gives influence to the results of electro-optical imaging devices.

当将光子噪声实时地叠加到计算机生成的分辨力图案上，首次实现了定量环境下典型的真实光量子噪声的实时仿真叠加。

Two application methods of Lagrangian equation and bond graphs in the dynam-ics of electro-mechanical systems are discussed with stress laid on the AFS methodsuch that:1.the relation between the non-conservative generalized force(orgeneralized electromotive force)E_i and bond graph is clearly illustrated and 2.theimproved method for calculating the generalized force(or generalized electromotiveforce)E_i for the electro-mechanical system is presented.

本文首先讨论并对比了拉氏方程与键图在机电系统动力学上应用的两种不同形式。并提出了：①关于运用 AFS 形式时非保守广义力 E_i 与键图间的关系；②机电综合系统中计算广义力E_的改进方法。

This particular line incorporates world-class complete vehicle cathode electro-coating technology. The integrated body and chassis frame is subject to degreasing and phosphatization pretreatment and then to cathode electro coating, which significantly improves paint membrane adhesion and corrosion resistance of complete vehicles, brings the products up to quality standards and make complete vehicles resistant to corrosion for more than 10 years.

该生产线采用国际先进的整车阴极电泳技术，车身和底盘车架一体整车经过脱脂、磷化前处理，再进行阴极电泳处理，大大提高整车漆膜附着力及整车耐腐蚀性能，满足产品质量要求，整车的防腐可达十年以上。

Transformer or phototube of coupling is used to separate control electro circuit and main electro circuit.

该电源采用脉宽技术，控制电路和主电路之间通过变压器或光电耦合器进行隔离。

In this topic, the dynamic analysis methods for piezoelectric vibrator are studied systematically based on the theoretical model, FEM numerical experimentation and FEM governing equation for given compound-mode vibrator, and some valuable conclusions are obtained. The main work accomplished is summarized as follows: 1.Elaborate the main modeling methods for piezoelectric vibrator and the significance and necessity to study the dynamic characteristics of piezoelectric vibrator which emphasize the urgency of this paper. 2.Take the bending deformation induced by piezoelectric ceramic as example, the energy transfer mechanism of electric energy to mechanical energy are analyzed; the motion and force transfer mechanism are analyzed for the longitudinal-bending vibrator. 3.Based on mode assumption and Hamilton principle, the coupling model of piezoelectric vibrator of linear USM is built; moreover, the equivalent circuit model is obtained and a coupling equation represents the relation between electric parameters and mechanical parameters is derived which provides foundation to match the vibrator and driving circuit. 4.Combine the constitutive equation of piezoelectric ceramic with elastic-dynamical equation, geometric equation in force field and the Maxwell equation in electric field and the corresponding boundary condition equation, the FEM control equation for piezoelectric vibrator of USM to solve dynamic electro-mechanical coupling field is established by employing the principle of virtual displacement. The equation lays the foundation to study the non-linear constitutive equation of piezoelectric ceramic driven by high-power. 5.Define the dynamic indexes of characteristic of vibrator and carry out variable parameters simulation by calculating the model parameters and the electric characteristics of vibrator are simulated according to the equivalent circuit model. By numerical experimentation, the working mode of vibration of vibrator and the shock excitation results of the working frequency band which provides the mode frequency to realize bimodal are analyzed. Detailed calculation of the electro-mechanical coupling field parameters is made by programming the FEM control equation.

本课题从理论模型、有限元数值试验、有限元控制模型等方面以复合振动模式振子为例对超声电机压电振子的动力学特性及其分析方法进行了全面系统地研究，得出了许多有价值的结论，主要概括如下： 1、阐述了目前针对超声电机压电振子的主要建模方法，对压电振子动态特性的研究意义和必要性进行了论述，突出了本文研究内容的迫切性； 2、以压电陶瓷诱发弹性体发生弯曲变形为例，分析了压电陶瓷通过诱发应变来实现机电能量转换的机理；对基于纵弯模式的压电振子的运动及动力传递机理进行了分析； 3、基于模态假定，利用分析动力学的Hamilton原理，建立了面向直线超声电机压电振子的机电耦合动力学模型，并据此建立了压电振子的等效电路模型，导出了电参量与动力学特性参量的耦合方程，为压电振子与驱动电路的匹配提供了依据； 4、从压电陶瓷的本构方程出发，综合力场的弹性动力学方程、几何方程、电场的麦克斯韦方程以及相应的边界条件方程，采用虚位移原理，建立了压电振子动态问题机电耦合场求解的有限元控制方程，为研究其大功率驱动下的非线性本构模型奠定了基础； 5、界定压电振子的动力学特性指标，对压电振子的机电耦合动力学模型参数进行计算及变参数仿真；依据等效电路模型，对压电振子的电学特性进行了仿真分析；通过有限元数值实验，对压电振子工作模态附近的模态振型及工作频率附近的频段进行了激振效果分析，找出了实现模态简并的激振频率；利用有限元控制方程，通过编程计算，对压电振子的力电耦合场参数进行了详细计算，得出了一些有价值的结论。

As an important component of electro-hydraulic proportional control system, the electro-hydraulic proportional valve controller is a device that providing a specific current to proportional valve, so that the flow or pressure of the liquid under continuously control in proportion to it.

电液比例阀控制器作为电液比例控制系统的重要组成单元，其功能是对比例阀提供特定性能的电流，使比例阀控制的液体流量或压力连续成比例地受到控制。

Master: rabbit fever model method, acupuncture bacteria or bacterial fever have a fever effect, electro-acupuncture in rabbits in order to observe the needle大椎穴of bacteria or bacterial fever antipyretic effect; to master the use of electro-acupuncture instrument Methods

掌握：家兔热模型的制作方法，针灸对细菌或非细菌性发热都具有退热效应，电针家兔大椎穴以观察针刺对细菌或非细菌性发热的退热效应；掌握电针仪的使用方法。

Schools electro-charge management system is application system of stand-alone edition, mostly with for register electro-circs of this school students rooming house and in this base process income overspend electricity.

学校用电收费管理系统是单机版的应用系统，主要用于记录本学校学生公寓寝室的用电情况并在此基础上进行超支电费收取。

The schizophrene has cognitive impairment. Electro-acupuncture can be benefit of memory,especiallyforlong-courseandshort-coursememory,butnotinstantmemory.Electro-acupuncturecanbebenefitofWCSTscore,netscaleandspeedofDSTaftertreatmentweresignificantlyhigher.

精神分裂症患者具有认知功能损害，电针可以改善患者的记忆，尤其是长时记忆和短时记忆，对瞬时记忆无改善；电针可以改善WCST评分；电针可以使精神分裂症患者的DST的划销速度，划销净分增加。2。

Sum up: Treatment with electro-acupuncture select Baihui and Shenting points belong to DUmeridian can be of benefit and disbenefit on schizophrene. It is helpful to cognitive function ofschizophrene, increasing memory, attention and perform function, but low efficacy to stability ofAbstract Vattention. It is better that Baihui and Shenting points cooperate with the point on Yin meridians orextremities in treating cognitive impairment of schizophrene with electro-acupuncture.

综上所述，电针百会，神庭穴对精神分裂症患者的治疗有正面和负面的影响，电针可以改善认知功能，提高患者的记忆，注意和执行功能，但对患者的注意的稳定性还缺乏疗效在治疗精神分裂症患者认知功能障碍的过程中，电针百会，神庭穴的同时最好能配合阴经穴位或远端穴位，因研究方法的不同及针对精神分裂症患者的试验难度较大等因素。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。