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- The first stage is push pull forward converter, and the second stage is a dual buck inverter(DBI). 该静止变流器前级采用推挽正激式变换器,后级采用双降压式逆变器。
- AIM: To evaluate cardiovascular responses to push pull maneuver and the mechanisms of the push pull effect. 目的:评价推拉动作的心血管反应性及推拉效应的发生机制。
- This amplification system is very economical,convenient,and the band is clear and stable. 该反应体系具有经济,简便以及扩增条带较清晰而稳定等特点。
- ObjectiveTo establish the best reaction condition of RAPD-PCR amplification system of Dendrobium loddigesii. 目的建立美花石斛基因组DNA的RAPD-PCR最佳反应体系。
- Objective Push pull maneuver(PPM) was simulated using a tilt table to assess detailed cardiovascular responses and the simulation model. 目的建立倾斜床模拟推拉动作模型,并观察其引发的心血管反应性特点。
- Under developing four different modes of operation of the push pull zero voltage switching multiresonant converter (PP ZVS MRC), a complete DC analysis is presented. 将零电压开关多谐振技术应用于推挽变换器电路，提出了一种推挽式零电压开关多谐振高频变换器（PPZVS－MRC）电路方案，较全面、完整地对其稳态工作模式和直流特性进行了分析，发现了变换器正常运行的4种工作模式。
- Moreover, it has a whole page perfect push pull DC amplifier stream composition in circuitry, a modification of a nakedness property is aimed at, and the amount of NF is reduced. 此外，它有一个完美的整页拉推流直流放大器组成的电路，修改赤裸财产的目的是，和数额的NF降低。
- Pulse compressed gratings (PCG) used in chirped-pulse amplification system and based on multi-layer thin film stack are etched with ion-beam and holographic techniques. 应用于啁啾脉冲放大技术中的脉宽压缩光栅是基于多层膜作为基底,利用全息干涉技术和离子束技术刻蚀而成。
- A high frequency link Push Pull Forward(PPF) type inverter is proposed in this paper,which have the advantages of the Push-Pull DC converter and the high pulse DC link inverter. 本文结合推挽正激直流变换器和高频脉冲直流环节逆变器的优点,提出了一种适用于低压大电流输入场合的推挽正激式高频环节逆变器。
- Should abandon western not the " with actual suit overtakes strategic " , executive push pull strategy, with tamp western the base that region economy expands. 西部应抛弃不切合实际的"赶超战略",实施推拉战略,以夯实西部区域经济发展的基础。
- A bi-directional DC-DC converter for high-low voltage convertion was presented which was based on current-fed push pull converter and full-bridge converter. 研究了一种适合高低压变换的双向DC/DC变换器,该变换器为电流型推挽变换器和全桥变换器组合而成的电流-电压型拓扑。
- ObjectiveMany factors can influent the sensitivity and specificity of the multi-PCR amplification system,so it is necessary to explore a suitable condition in multi-PCR for obtaining a proper result in diagnosis of mycotic keratitis. 目的探索多重pcr体系中各成分的最适组合,以便在真菌性角膜炎的诊断中获得准确、可靠的结果。
- This article has a review of the developments in modulation method,RF amplification system and in such multifunctions as SSB, floating carrier and AM multiplexing, in the recent 20 years at home and abroad. 文章回顾了20年来国内外调幅广播在调制制式、射频放大系统以及包括单边带、浮动载波和调幅多工等多种功能的发展状况。
- Yukon's new Directional Sound Amplification System (DSAS) is highly sophisticated professional amplification device designed for enhanced listening and recording of distant and faint sound. 育空地区的新的方向性的扩音系统（员），是高度精密的专业设备的放大设计，为提高听力和录音的遥远和微弱的声音。
- Push pull train? 推拉式列车?
- Objective To explore the effect of push pull effect (PPE) simulated by lower body negative pressure (LBNP) rotating table, and observe the physiological responses to push pull maneuver. 目的探讨下体负压旋转床模拟航空推拉效应的效果,观察推拉动作对心血管功能的影响。
- Because all-purpose conference rooms have many types of requirements, the design considerations for AV amplification systems are quite complex. 在音视频系统设计上，由于多功能厅的这种多功能需求，所以在音频扩声系统的设计上考虑较为复杂，以满足多功能厅的多功能需求。
- You push from the back and I'll pull at the front. 你在後面推，我在前面拉。
- photoelectric amplification system 光电放大系统
- TAS transcription based amplification system 转录依赖扩增系统
