| 1. | Influence of dc electric field on the oil - water relative permeability in water - drive reservoir
直流电场对水驱油藏油水相对渗透率的影响研究 |
| 2. | Numerical simulation method for enhancing waterflooding efficiency using direct current electric field
直流电场提高水驱油效率的数值模拟方法 |
| 3. | Space charge properties of frp rod materials are influenced by temperature , field strength and high voltage application duration
结果表明，在高压直流电场作用下，芯棒材料内部积累的空间电荷的极性和密度受到温度、电场强度和电场作用时间等因素的影响。 |
| 4. | Generally , the property of dielectrics will deteriorate and even breakdown under the action of the dc or ac electric field for some time
一般来讲，介电材料无论是在直流电场中，还是在交变电场中使用一段时间后，总会出现介电性能的降低甚至击穿等不同程度的破坏。 |
| 5. | Based on this , the optimum operating mode of ln anisotropic one - dimension aeo device is determined as : light promulgates along z axis , ultrasonic wave promulgates along x axis , and direct current electric field is loaded along y axis
经过计算,一维铌酸锂反常声电光器件的最优化工作模式为:光沿着z轴方向,直流电场沿y方向,超声波为沿着x轴方向的快切变波模式。 |
| 6. | The study showed that under contain load and input speed , the output speed of the coupling could be controlled by modulating the strength of the applied dc field , which provides a new control means for continuous speed modulating of a transmission system
实验表明，在确定负载和输入速度下，可以通过调节直流电场控制联轴器的输出速度。这为传动系统的无级调速提供了一种新的更简便的手段。 |
| 7. | ( 4 ) light - induced scattering in sbn : 61 : cr crystals under applied fields and its suppression are studied . a new method is proposed that the scattering light can be suppressed through erasure of scattering gratings by higher power pump beam ( coherent or incoherent )
( 4 )讨论了sbn 61 cr晶体在外加直流电场作用下的光感应光散射现象及其消除方法，提出通过引入另外一束相对高强度的光束(相干或者非相干) ，利用其对散射光栅的擦除作用消除信号光束的散射。 |
| 8. | ( 3 ) we explore photorefractive screening solitons and characters of beam transmission in sbn : 61 : cr crystals . the dependence of beam diameter at the crystal output face on applied field is presented . and influences of the limiting space charge field of the crystals on the experimental results are analyzed
( 3 )初步研究了两块不同掺cr浓度的sbn 61 cr晶体中的屏蔽型空间孤子效应，以及不同外加直流电场作用下光束在晶体中的传输，给出了晶体出射表面处光斑直径随外电场的变化曲线，并分析了晶体中空间电荷场的饱和效应对实验结果的影响。 |
| 9. | Srtio _ 3 ( sto ) thin films exhibit a large electric field dependence of dielectric permittivity . the microwave surface resistance of yba2cu3o7 - x ( ybco ) is much lower than that of the normal conductor . the typical value of rs for ybco epitaxial thin film is smaller than 1 m
在低温下, srtio _ 3 (简写为sto )薄膜具有强烈的非线性介电性质,即:介电常数随外加直流电场变化而变化; yba2cu3o7 - x (简写为ybco )具有极低的微波表面电阻, rs ( 10ghz , 77k ) < 1m ,而且它们的晶体结构相似,晶格常数匹配以及化学性质相容。 |
| 10. | And the steady - state coupling response time rdecreases from 0 . 8s to 0 . 3s . but there are almost no changes in 2peak with fields applied . ( 2 ) using the characters of two - beam coupling in sbn : 61 : cr crystals under applied fields , applications in image edge - enhancement and photorefractive edge - enhancement joint transform correlator are investigated
( 2 )研究了外加直流电场作用下sbn 61 cr晶体的二波耦合特性在光学图像边缘增强以及光折变边缘增强联合变换相关器等方面的应用，讨论了外电场对光折变边缘增强及光折变联合变换相关识别效果的影响。 |
