查询词典 wave

In order to eliminate the harm brought by the wave aberrance of voltage and current, it is necessary to control the harmonic wave and compensate the reactive power. So it is very important to test the electric parameters.

为了消除电压、电流的波形畸变产生的危害，就必须对电力系统进行谐波抑制和无功补偿，因此对电力系统中的电气参数进行测试和分析就显得尤为重要。

Themyoelectric wave of pylorus is little earlier than that of the omasum,after that themyoelectric wave of abomasum begins.

贲门、幽门、瘤胃、网胃和皱胃的肌电波均为有峰电活动的串波，而瓣胃肌电波是单波。

The results showed that compared with the control period, after injecting clenbuterol subcutandously, the amplitude of the fast wave potentials and slow wave potentials at the duodenal close to abomasum, the pylorus of abomasum and dorsal sac of the rumen, as well as the strainwave of rumen movements s...

结果表明，β激动剂双氯醇胺在功能上有与肾上腺素相似的作用，即可直接或间接地抑制山羊胃肠道电活动和运动。

The formation mechanism of the absolute instability and gyrotron backward wave oscillations is analyzed, and the methods to suppress the parasitical modes are discussed.The nonlinear theory model of gyro-TWT is consummated by considering the influence of tapered magnetic field and waveguide radius, electron velocity spread, and waveguide loss on electron beam-wave interaction. The large-signal characteristic of gyro-TWT, such as launching loss and absolute instability, are also analyzed in detail. This work establishes the foundation for the development of a gyro-TWT amplifier.

重点研究了两段损耗波导结构和损耗陶瓷结构回旋行波管中的电子注-波互作用，分析了绝对不稳定性和回旋返波振荡的形成机制和抑制寄生模式的方法；完善了回旋行波管的非线性理论模型，并考虑了磁场和波导半径渐变、速度零散、波导损耗等因素对注-波互作用的影响；详细分析了发射损耗、相位稳定性等回旋行波管的大信号特征，为回旋行波管放大器的研制奠定了基础。

This paper, with the analysis of the propagation characteristics in a lossy cylindrical waveguide and using small-signal theoretical dispersion relation, presents study on the device stability with influence of the absolute instability and the backward wave oscillation in TE01-mode lossy dielectric-load gyrotron traveling wave amplifier.

摘要该文从分析损耗介质加载金属圆波导中电磁波传输特性出发，应用回旋行波管放大器小信号色散方程，研究损耗介质加载结构TE01模回旋行波管放大器绝对不稳定性振荡和回旋返波振荡对器件稳定性的影响。

In order to improve wave-absorption properties and wave band of single absorbent,a novel absorbing medium of carbon black doped with nanometer-sized manganese dioxide was prepared.

为了改善单一吸收剂对电磁波的吸收性能并有效拓宽吸收频段，采用纳米二氧化锰掺杂炭黑制备了一种新型的复合吸收剂，并对吸收剂的TEM颗粒形貌，介电特性和微波吸收性能进行了研究。

With the rapid development of electronic technology, a large amount of non-linear load has appeared in the power system, while absorbing the power of the principal wave , these non-linear load will produce a large number of harmonic wave and pour them into the power system.

随着电力电子技术的迅速发展，电力系统中出现了大量的非线性负荷，它们在吸收基波功率的同时，产生大量的谐波注入电力系统。

In this paper, on the base of paraxial approximations, we present a set of absorbing boundary conditions of 3D elastic wave equations and apply to the 3D elastic wave numerical modeling in isotropic medium.

本文基於傍轴近似法提出了计算三维弹性波方程的吸收边界条件公式，表示了各边界面、边棱和角点处波场所满足的单程波方程，并在三维弹性波数值模拟中进行了应用。

Based on these studies, the design and realization of software and hardware for monitoring ACD and liquid metal wave are investigated in detail, and the three reasons of liquid metal wave are given.

在此基础上，对极距和铝液波动的在线监测系统的软硬件组成及系统的应用进行了深入地研究，并提出了铝液波动的三种原因。

Ground parts: an overhead-type indicator by sampling ground capacitance transient current in the first half-wave and ground transient voltage in the first half-wave, to compare their phase, when the sampling ground capacitance transient current mutation and more than a certain value, and the instantaneous voltage and grounding The first-phase half-wave, while wire-to-ground voltage is reduced, then the judge circuit grounding occurred.

接地部分：架空型指示器通过采样接地瞬间的电容电流首半波与接地瞬间的电压首半波，比较其相位，当采样接地瞬间的电容电流突变且大于一定数值，并且与接地瞬间的电压首半波同相，同时导线对地电压降低，则判断线路发生接地。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。