symmetrical vein

According to the request of high-field asymmetric waveform ion mobility spectrum technology to non-symmetric high frequency and high voltage pulse waveform, this thesis proposes and designs a novel kind of high-pressure non-symmetric high-frequency square wave pulse power which adopts power MOSFET as its key component.

本文根据高场非对称波形离子迁移谱技术(High-field Asymmetric Waveform Ion Mobility Spectrometry,简称FAIMS)对高频高压非对称脉冲波形的要求,提出并设计了一种新颖的采用功率MOSFET管为关键器件的高频高压非对称方波脉冲电源。

asymmetrical P.D. modulation

不对称脉冲宽度调制

Development of 250KHz and 2000 Voltage Asymmetric Waveform Power Supply;

2000V高压250KHz高频非对称脉冲电源设计

Axisymmetric Pulsational Instabilities in Weakly Magnetized and Isothermal Accretion Disks

弱磁化等温薄吸积盘的轴对称脉动不稳定性

The Axisymmetric Pulsational Instability in Weakly Magnetized Accretion Disks with Viscosity

含粘滞的弱磁化吸积盘的轴对称脉动不稳定性

A Research on Ambiguity Function of Symmetrical Triangular Frequency Modulated Pulse Compression Signal

对称三角调频脉冲压缩信号模糊函数

Research on the Rectifier of 30-pulse Asymmetric Autotransformer

一种不对称型30脉冲自耦变压整流器的研究

Effects of Asymmetric Dimethylarginine on the Function of Human Umbilical Vein Endothelial Cells;

非对称性二甲基精氨酸对人脐静脉内皮细胞功能的影响

Symmetric Bernstein Copula;

对称Bernstein Copula

Study on Characteristics of LPFGs with Radial Asymmetric Structures Written by High-Frequency CO_2 Laser Pulses;

高频CO_2激光脉冲写入的径向非对称型长周期光栅特性研究

The Study on Proatherosclerotic Effect of Asymmetric Dimethylarginine and Xanthone Treatment;

非对称二甲基精氨酸促动脉粥样硬化形成及（口山）酮治疗研究

Mixed Classical and Impulse Control of Exchange Rate-Asymmetric Factor and Multilateral Relation Factor;

汇率的混合经典脉冲控制——非对称因素和多边关系因素

SPWM Control of Capacitor-clamped Five Level Inverter Comprised of Asymmetric H Bridge

电容箝位型非对称H桥五电平逆变器正弦脉宽调制控制

THE CHARACTERISTICS OF ULTRASHORT LASER PULSES PROPAGATION IN CYLINDRICAL SYMMETRY RESONANCE MEDIA

超短光脉冲在圆柱对称性共振介质中的传播特性

Effects of Xuefu Zhuyu decoction on serum asymmetric dimethylarginine in atherosclerosis rabbits

血府逐瘀汤对动脉粥样硬化家兔血清非对称性二甲基精氨酸水平的影响

Effects of Xuefu Zhuyu Decoction on Serum Asymmetric Dimethylarginine in Atherosclerosis Rats

血府逐瘀汤对动脉粥样硬化大鼠血清非对称性二甲基精氨酸水平的影响

butterfly lighting

对称式照明，俗称蝴蝶光

Determination of pulse shape asymmetry in a CW synchronously pumped dye laser using the method of spectrum-resolved SHG correlation

用光谱分辨的二次谐波方法测定连续波同步泵浦染料激光脉冲形状的非对称性

The Study of Correlation between Plasma Asymmetric Dimethylarginine and Atherosclerotic Cerebral Infarct;

动脉粥样硬化性脑梗死患者血浆中不对称二甲基精氨酸水平的研究