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- 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. 目的探討下體負壓旋轉床模擬航空推拉效應的效果,觀(guān)察推拉動(dòng)作對心血管功能的影響。
- Improvement of Low Pressure Cylinder made by Siemens Co. 西門(mén)子公司汽輪機低壓缸的改造方法。
- The first stage is push pull forward converter, and the second stage is a dual buck inverter(DBI). 該靜止變流器前級采用推挽正激式變換器,后級采用雙降壓式逆變器。
- AIM: To evaluate cardiovascular responses to push pull maneuver and the mechanisms of the push pull effect. 目的:評價(jià)推拉動(dòng)作的心血管反應性及推拉效應的發(fā)生機制。
- Objective Push pull maneuver(PPM) was simulated using a tilt table to assess detailed cardiovascular responses and the simulation model. 目的建立傾斜床模擬推拉動(dòng)作模型,并觀(guān)察其引發(fā)的心血管反應性特點(diǎn)。
- 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. 將零電壓開(kāi)關(guān)多諧振技術(shù)應用于推挽變換器電路，提出了一種推挽式零電壓開(kāi)關(guān)多諧振高頻變換器（PPZVS－MRC）電路方案，較全面、完整地對其穩態(tài)工作模式和直流特性進(jìn)行了分析，發(fā)現了變換器正常運行的4種工作模式。
- Cause analysis of negative differential expansion of 330 MW steam turbine's high pressure cylinder in Mengda Power Generation Co.Ltd. 蒙達公司330 MW機組高壓缸負脹差大的原因分析。
- 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，它有一個(gè)完美的整頁(yè)拉推流直流放大器組成的電路，修改赤裸財產(chǎn)的目的是，和數額的NF降低。
- The paper introduces the analysis of 500MW steam turbine low pressure cylinder clapboard s cracks and introduces the way to settle it. 對某發(fā)電廠(chǎng)500MW汽輪機低壓缸40級隔板中分面出現的裂紋進(jìn)行了分析,并介紹了處理情況,確定了正確合理的補焊方案及工藝,供鑄鐵件補焊修復缺陷時(shí)參考。
- 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. 本文結合推挽正激直流變換器和高頻脈沖直流環(huán)節逆變器的優(yōu)點(diǎn),提出了一種適用于低壓大電流輸入場(chǎng)合的推挽正激式高頻環(huán)節逆變器。
- Should abandon western not the " with actual suit overtakes strategic " , executive push pull strategy, with tamp western the base that region economy expands. 西部應拋棄不切合實(shí)際的"趕超戰略",實(shí)施推拉戰略,以夯實(shí)西部區域經(jīng)濟發(fā)展的基礎。
- It discusses the location and characteristics and causes for turbine low pressure cylinder,and suggests some measures of preventing &slowdown this corrasion. 對汽輪機低壓缸腐蝕進(jìn)行了論述,分析了低壓缸腐蝕部位、特征及腐蝕機理,并提出了防止和減緩低壓缸腐蝕的措施。
- 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. 研究了一種適合高低壓變換的雙向DC/DC變換器,該變換器為電流型推挽變換器和全橋變換器組合而成的電流-電壓型拓撲。
- In order to solve the problem of breaking of superhigh pressure cylinder,the Cutting Ring Method was used and a formula for calculating its strength is presented. 針對超高壓缸的破壞問(wèn)題,用切環(huán)法進(jìn)行了強度分析,導出了進(jìn)行強度計算的算式;
- The test of external pressure is studied for steel-walled pressure cylinder by using reliability method. The relation of external pressure test and influencing factor is analyzed. 應用可靠性設計方法,對鋼制外壓圓筒形容器壓力試驗進(jìn)行了研究,定量分析試驗壓力與影響因素之間的關(guān)系。
- Push pull train? 推拉式列車(chē)?
- According to stability theory and design method of external pressure cylinder, the experience which can improve technology parameter by the way cutting open clamp ferrule to change effective length of external pressure cylinder is introduced. 介紹了根據外壓容器穩定性理論和設計方法,通過(guò)剖分夾套而改變外壓圓筒的計算長(cháng)度,提高其技術(shù)參數的經(jīng)驗。
- Discusses the location and characteristics of and causes for turbine low pressure cylinder experienced at Harbin Thermal Power Plant and Suggests ways of eleminating corrosion of turbine low pressure cylinder. 對汽輪機低壓缸腐蝕進(jìn)行了論述,對低壓缸腐蝕部位、特征及腐蝕機理進(jìn)行了簡(jiǎn)要的探討,并結合該廠(chǎng)實(shí)際情況進(jìn)行了分析,提出了解決低壓缸腐蝕的途徑。
- You push from the back and I'll pull at the front. 你在後面推，我在前面拉。
- Diaphragm loose mechanical trouble of CO2 compressor high pressure cylinder is successfully diagnosed by using analysis theory.Practical effect of its diagnosing analysis is pointed out. 運用故障分析理論成功地診斷了CO2壓縮機高壓缸出現的隔板松動(dòng)機械故障。指出其診斷分析的實(shí)用效果。
