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作用电压
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  action voltage
     the parameters of eliminating reservoir injury by pulse wave are core surface,distance between sound sources of pulse wave and its energy range (i. e. the optimal action voltage and action time).
     而脉冲波清除油层伤害的理想多数是岩心表面、脉冲波声源间的距离及能量范围(即最佳作用电压与作用时间)等。
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  “作用电压”译为未确定词的双语例句
     A bidirectional power supply for piezoelectric actuator was proposed and studied,which can apply high bidirectional voltage to the piezoelectric actuator continuously from negtive to positive.
     提出并研究了一种压电致动器电源,它可以实现对压电致动器的从负电压到正电压的双向电压作用,且作用电压可以很高并可不间断连续作用。
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     According to different degree of HV impact parallel capacitor and HV capacitive type equipments, the paper deals with them in separate discussions.
     针对并联电容器和高压电容型设备作用电压等级不同,论文对这两种类型分开讨论。
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     From the experimental results obtained, it can be seen that the relation between electrical current density (J) and applies voltage across the sample (V) coincides with Sinnos’s equation (i.e. the electrical resistivity of the composite decreases with the applies voltage, especially at the critical voltage) . The minimum electrical resistivity occurs near the glass transition temperature (Tg) of poly(vinylidene fluoride).
     从聚偏氟乙烯/炭黑复合体系的导电行为来看,该材料的电流密度J和作用电压V之间的关系符合Sinnons模型(即复合物的电阻随作用电压减小, 特别是在临界电压时),电阻率的极小值出现在聚偏氟乙烯的玻璃化转变温度(Tg = -45℃)附近。
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     In this paper, a self sensing thin plate with three pairs piezoelectric films is bonded on the surface of base structure, the H ∞ control solution is compared with that of LQG control. Singular value curve of system is given, velocity and displacement responses of one location in the plate are drawn, and applied voltages for actuators are given.
     文中对配置3 对压电自感作动器的四边简支薄板结构做了数值仿真,将H∞控制结果与LQG 控制做了比较,绘制出干扰ω与广义模态速度v 之间传递函数的H2 范数图,同时给出速度、位移响应图,所需作用电压图.
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     Conclusion: Our data suggest that tyrosine kinase and Ca2+ -calmodulin-dependent pathway play a critical role on the proliferation of heptoma cells induced by EGF, and voltage-dependent Ca2+ channel is independent of the effect of EGF.
     结论:结果显示,酪氨酸激酶及依赖钙-钙调蛋白途径在EGF的作用中起关键作用,电压依赖性钙通道与EGF的作用无关。
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Method In accordance with the problem of Ieservoir rein jury seriously affecting oil field productivity during development of many heavy oil reservoirs,this paper studies to eliminate the reservoir injury by pulse wave produced by fluid electric heating effect. Purpose Conventional reservoir injury treatment method is to inject fluid and reagent into the reservoir,this will inavoidablely lead to reservoir reinjury. However,the pulse wave can completely prevent reservoir reinjury. Result The pulse wave eliminates...

Method In accordance with the problem of Ieservoir rein jury seriously affecting oil field productivity during development of many heavy oil reservoirs,this paper studies to eliminate the reservoir injury by pulse wave produced by fluid electric heating effect. Purpose Conventional reservoir injury treatment method is to inject fluid and reagent into the reservoir,this will inavoidablely lead to reservoir reinjury. However,the pulse wave can completely prevent reservoir reinjury. Result The pulse wave eliminates reservoir injury mainly through destroying the inner attached surface structure of pores, and thus enlarging pore space and improving permeability. Therefore, the effect of eliminating reservoir injury by pulse wave determines the change of permeability;the parameters of eliminating reservoir injury by pulse wave are core surface,distance between sound sources of pulse wave and its energy range (i. e. the optimal action voltage and action time). Conclusion The experiment shows that it is feasible to eliminate reservoir injury by pulse wave,even under high environment pressure.

方法鉴于在许多稠油油藏开发过程中,油层再伤害严重影响油田产能的实际问题,研究利用波电效应所产生的声脉冲波来消除油层伤害。目的传统的油层饬害处理方法必须向油层内注入流体和试剂,不可避免地存在油层“再伤害”,而脉冲波可以完全防止油层“再伤害”的问题。结果脉冲波清除油层伤害主要是破坏了孔隙内附面层的结构,拓宽了孔隙空间,提高了渗透率,故脉冲波清除油层伤害的效果决定渗透率的变化;而脉冲波清除油层伤害的理想多数是岩心表面、脉冲波声源间的距离及能量范围(即最佳作用电压与作用时间)等。结论脉冲波清除油层伤害经试验证明是切实可行的,即使在高环境压力下,也可清除油层伤害。

A bidirectional power supply for piezoelectric actuator was proposed and studied,which can apply high bidirectional voltage to the piezoelectric actuator continuously from negtive to positive.This power supply is characterized by making the output of piezoelectric actuator to be controlled automatically and the range of the output is wide,so that it is suitable to the piezoelectric devices based on the principle of anti piezoelectric effect as...

A bidirectional power supply for piezoelectric actuator was proposed and studied,which can apply high bidirectional voltage to the piezoelectric actuator continuously from negtive to positive.This power supply is characterized by making the output of piezoelectric actuator to be controlled automatically and the range of the output is wide,so that it is suitable to the piezoelectric devices based on the principle of anti piezoelectric effect as well as the application field in the aim of static displacement.The operational principle of the power supply and its circuit are described and analyzed in this paper.The theoretical estimation formulas are derived and the experimental results and applications are given.

提出并研究了一种压电致动器电源,它可以实现对压电致动器的从负电压到正电压的双向电压作用,且作用电压可以很高并可不间断连续作用。该电源具有易于实现压电致动器输出自动控制和输出范围大的特点,适宜逆压电效应为基本原理的压电器件在以静态位移输出为主要目的的场合应用。文中论述和分析了这种电源的工作原理和电路实现方法,推导出理论计算公式,并给出了实验结论与应用情况。

Kirchoff hypothesis is applied to laminate plate with induced strain actuators. Piezoelectric patch is bonded to its surface or embedded within the laminate. Using plate element, FEM(Finite Element Method) for laminate plate with induced strain actuators is proposed. Considering the control matrix, which is gotten from applied voltage to laminate plate, the needed applied voltage is given for any plate shapes using optimization algorithms. Numerical example is presented. Comparison between experiments and FEM...

Kirchoff hypothesis is applied to laminate plate with induced strain actuators. Piezoelectric patch is bonded to its surface or embedded within the laminate. Using plate element, FEM(Finite Element Method) for laminate plate with induced strain actuators is proposed. Considering the control matrix, which is gotten from applied voltage to laminate plate, the needed applied voltage is given for any plate shapes using optimization algorithms. Numerical example is presented. Comparison between experiments and FEM is shown up in this paper. Three solutions of unconstrained optimization, constrained optimization and optimization considering energy consumption,are given.

采用将压电片粘贴于复合材料层板表面或镶嵌于层板内部的方法,基于kirchof假设,对于任意铺层的复合层板,使用板单元,建立了受压电片控制的复合材料层合板有限元分析方法.然后,采用作用电压到控制形状的控制矩阵,使用最优化方法得到了对任意形状所需的作用电压,最后给出算例.文中对实验数据和有限元结果进行了比较,给出了无约束优化、有约束优化和考虑能耗的优化等3种情形的结果.

 
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