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损耗

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A circle is placed at the launch point to improve the interaction between the electron beam and the fields supported by the slow wave structure, thus to control the beam current density at the launch point, and to minimize the loss of the electron beam energy. The inaner radii of the extractor vanes are slightly larger than those of other SWS vanes, which increases the axial group velocity and enhances the microwave output power and efficiency. Implementation of two RF choke vanes stops the leakage of microwave pulse power toward the diode, and makes the device more compact than the conventional MILO.

该振荡器在阴极电子发射起点加圆环,控制此处电子束的发射密度,来减少电子能量的损耗,改善束-波互作用;逐渐加大慢波结构的后两个叶片的内半径,增大微波群速度,便于谐振腔中的能量输出,提高微波输出效率;采用两个扼流片有效地阻止了微波功率向二极管区泄漏,相应减小了器件的尺寸。

There are many aspects to research on-chip inductor and the research in this paper is on the computation of inductance and optimization of quality factor of inductor.

本文主要研究了的硅基片上电感的电感值算法和品质因子Q的优化,设计实现了新颖的线宽、间距变化电感结构并自主提出了片上电感的分圈迭代算法。在广泛的文献调研基础上,本文用电磁场理论详细分析了片上电感的损耗机理。

A new method for reducing the substrate-rated losses of integrated spiral inductors is presented.

提出了一种新的减小硅集成电感衬底损耗的方法。

After the phase inversion point,the dynamic rheological parameters increase greatly with adding water.

实验结果表明,体系在相反转点前表现为牛顿流体行为,粘度几乎不变﹔相反转点时,体系粘度增加幅度很小,体系的有关动态流变参数(剪切储能模量、损耗模量和复数粘度)均出现极小值,将此归于局部连续水相的润滑作用﹔进一步加水,体系的动态流变量增加,意味著相反转在相反转点后仍在继续进行。

An induction motor to do its own model, because it is idealized model, neglected iron loss.

详细说明:一个自己做的异步电动机的模型,由于是理想化模型,忽略了铁损耗

At 400 kilovolts, a standard value for long-distance transmission, an alternating current 30 metres (100 feet) from the ground has a fortieth of the loss of a similar cable at ground level.

远程输电电压为标准值400千伏的交流电离地30米(100英寸)时的损耗是接近地面时的四十分之一。

Compared with the conditional PS-FB DC/DC converter, it nearly decreased half of the circumfluence energy, and realized ZVS of the lagging switches in a wider load scope with a dinky duty circle loss. It improved the efficiency of the converter effectively.

与传统电路相比,它将近降低了1/2的开关管的环流能量损耗,并且能够在较宽的负载范围内实现滞后管零电压开关和极小的占空比丢失,有效地提高变换器的效率。

An oxide coating is formed on the surface of the aluminum powder after the surface passivation treatment, so as to efficiently avoid the formation of leakage conductance due to mutual contact between eclectically-conducting additives and thereby to reduce the dielectric loss of the material. The composite material has high dielectric constant, low density and good flexibility. The production method of the composite material has the advantages of simple and controllable process, low hot-pressing temperature, energy conservation and environmental protection.

铝粉经过钝化处理,表面形成一层氧化物包覆层,有效地避免了导电添料因相互接触而形成漏电导,降低了材料的介电损耗;复合材料介电常数高,密度低,加工简单,并具有良好的柔韧性;复合材料的制备方法工艺易控简单、热压温度低、节能环保。

Trans-Blot Plus Cell 170-3990 Trans-Blot Plus Cell With Plate Electrodes and Super Cooling Coil, includes 3 gel holder cassettes, buffer tank, lid with power cables, 6 fiber pads, 1 pack blot absorbent filter paper (26.5 x 28 cm, 30 sheets), roller, stirbar 170-3991 Trans-Blot Plus Cell and PowerPac HC Power Supply Accessories 170-3994 Trans-Blot Plus Gel/Cassette Assembly Tray 170-3995 Fiber Pads, 27 x 28.5 cm, 2 170-3996 Blot Absorbent Filter Paper, 26.5 x 28 cm, 60 sheets 170-3997 Stirbar 170-3998 Trans-Blot Plus Roller, 6 wide 170-39 Trans-Blot Plus Gel Holder Cassette With Clamps 170-4990 Trans-Blot Plus Super Cooling Coil 170-4991 Trans-Blot Plus Platinum Anode Plate Electrode 170-4992 Trans-Blot Plus Stainless-Steel Cathode Plate Electrode 170-4995 Trans-Blot Plus Cell Buffer Tank 170-4996 Trans-Blot Plus Cell Lid With Cables 170-4997 Gel Holder Cassette Clamps, for Trans-Blot Plus cell, set of 3 9 规格:说明:运用Mini-PROTEAN II 多道筛选仪,可以快速有效地筛选 40 种不同的抗体或血清,无需把western

转印条件可调,能在很大的分子量跨度上获得最佳转印效果*耐用的板式电极能产生强大而均一的电场,而且电极在槽内的位置灵活可换;不论运行1、2 或3 个转印夹,电极间距可调节到最小以获得最大的场强和转印效率*凝胶支架转印夹保证整个凝胶与印迹膜表面的均衡接触*转印夹的铰链设计能防止凝胶滑动,便于转印夹组装*颜色标记的转印夹及电极板确保在转印槽内的正确定向*特级冷却芯和冷却水循环器进行温度调节―可理想地用于天然酶或高强度转印,或用于延长转印时间时减少缓冲液的损耗*可选择的组装盘是凝胶三明治和转印夹组装的理想选择 Trans-Blot Plus 转印槽能从单向和双向大格式凝胶上均一、高效地转移蛋白―配合使用新推出的 PowerPac HC 电源,多数蛋白都可在1530 分钟内完成转印。

On the basis of the theory of Gaussian light beams transmission and applying principles of matrix optics and theory of Gaussian light coupling, a theoretical equation for calculating the return loss of fiber collimator with beveled end face and GRIN lens is derived.

在高斯光束传输理论的基础上,利用矩阵光学的原理和高斯光束耦合理论得出了斜面耦合自聚焦透镜型光纤准直器的回波损耗的数学表达式。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。