推沖器 的英文怎麼說
中文拼音 [tuīchōngqì]
推沖器
英文
thruster-
Method of use : first dissolve the irrigation in solution as per the specified proportion, then push the irrigating nozzle to the focus, and place the absorbing tube into the solution bottle ; hold the air cell and pinch it repeatedly to wash the focus area with the solution passing through the nozzle
使用方法:先將沖洗劑按規定比例化成溶液,沖洗咀推入患處,吸液管放入存放溶液的容器中,手握氣囊反復捏擠,沖洗液即可通過沖洗咀沖洗患處The results show that the measurement result is in concordance with the result of calculation by theory on powder - pulse - booster impulse
研究結果表明:單擺試驗測量火藥脈沖助推器沖量結果與理論計算結果基本一致,證明了此實驗方法的正確性。This paper introduces the fundamental and characteristic of the fuel cell, analyzes the necessity and detail scheme of adding assistant energy sources to the fuel cell power generation system. considering for the special demand of the fuel cell power generation system, this paper gives out a push pull forward converter ( ppfc ) with passive and lossless dual cdd snubber circuit
本文首先闡述了燃料電池的基本原理和性能特點,分析了在燃料電池發電系統中引入輔助能源系統的必要性及具體的配置方案,然後針對燃料電池發電系統對dc / dc變換器設計的特殊要求,提出了一種加雙cdd無源無損緩沖電路的推挽正激變換器( pushpullforwardconverter , ppfc ) 。Adding rocket propulsion could double this velocity ? and thus the impact momentum ? which would drive them to depths 75 percent greater in granite formations and nearly 1, 000 percent greater in soft soil
加裝火箭推進器可使速度(也包括沖擊動量)提高一倍,使炸彈鉆入花崗巖的深度增加75 % ,鉆入軟土壤的深度更可增加到10倍之多。The investigation shows that plenum chamber total pressure has multifarious effects on arcjet thruster operation, and both specific impulse and thrust efficiency can be improved by increasing it befittingly under steady arc
研究表明,集氣腔總壓對推力器工作過程具有多方面的影響,在保證電弧穩定的情況下,適當提高集氣腔總壓可同時提高比沖和推進效率。In hardware, we choose anti - disturbance photoelectric isolative sensor, take rc filter to resolve high - frequency for anti - disturbance. in software, we adopt arithmetic of recursion mean value to collective signal values to resolve low - frequency ac and pinnacle pulse disturbance
在硬體方面,選用抗干擾能力強的光電隔離電量傳感器,並採取rc濾波抗干擾措施解決中高頻干擾問題;在軟體方面,對採集到的信號量採取遞推平均值演算法,解決低頻交流和尖峰脈沖干擾問題。The results showed that the thrust - weight ratio reached 1. 04 for the launch weight 5400kg in the condition of specific impulse near 600s
結果表明:在發動機工作比沖接近600s的情況下,對于起飛質量為5400kg的飛行器而言,推重比為1 . 04左右。A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path
本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。The operation of the proposed system is thoroughly analyzed and how to control modulation ratio meets each pulse magnetic reset is deduced
對如何通過控制調制比使高頻變壓器能滿足逐個脈沖磁復位進行了數學推導。Analysis and theoretical guiding for cushion bolt tighten of small safety catcher
小型防墜器的緩沖器螺栓預緊力的分析及理論推導The real time server is described first, which emphasizes on some key points such as entry control, the design of data frames and cache control. it shows the effect of data compressing to the progress of multimedia application vigorously
在實時服務器端的解說中,闡述了接入控制、數據幀設計、緩沖控制等技術的關鍵點,並展示了數據壓縮技術的發展對多媒體應用的巨大推動作用。Then the filter model is deduced to describe the intensity fluctuation induced by xpm in dispersion managed systems. according to this model, optimal dispersion management schemes are got
其次從理論上推導了在色散管理系統中由於交叉相位調制與色散互作用引起的脈沖強度起伏的濾波器模型,根據此模型得到了系統的優化色散補償方案。The change of transformer ’ s output voltage with coupling coefficient is analyzed. the calculated formulas for parameters of air - core and part - magnetic - core pulse transformer are deduced based on electromagnetic theory. comparing with past formulas for calculated the parameters of the transformer, this formulas is more accurate to reckon the parameters of transformer
首先從理論上分析了提高耦合系數對變壓器輸出電壓的影響,推導了高功率帶繞式空芯和部分磁芯脈沖變壓器的電感及耦合系數的計算公式,並與已有的方法進行比較,經實驗驗證,本文推導的方法能夠較準確地計算帶繞式空芯脈沖變壓器的參數。With advantages of simple and reliable in structure, high isp and easy control over a wide range of thrust, pulsed plasma thruster ( ppt ) is very suitable for micro - satellite ' s orbit control and high precision attitude control
脈沖等離子體推力器( ppt )具有結構簡單可靠,比沖高,推力在較大范圍可控的特點,適合用於微、小衛星軌道控制和小衛星高精度姿態控制,其研究和應用得到了重視。Microwave plasma thruster ( mpt ) is a new type of electro - thermal thruster, which has widely applied prospect because of its high specific impulse, long lifetime, low plume contaminant and so on
微波等離子推力器( mpt )是一種新型的電熱型推力器,它具有比沖高、壽命長、羽流污染小等優點,具有廣闊的應用前景。Abstract : the design of a reverse recoil mechanism of naval gun, i. e the groove hydraulic buffer, was discussed. the hydraulic resistance formula was derived and the method for paremeter selection was put forward. the recoil distance is about 28 % shorter than the original one
文摘:討論了艦炮的一種反后坐裝置,即溝槽式液壓緩沖器的設計問題,通過推導液壓阻力公式,給出了縮短緩沖引程的有關參數選擇及設計方法,使后坐行程比原來一段式縮短28 %左右Test results have shown that with discharge energy of 40 j, our ppt ' s thrust has reached more than 0. 605 mn, and its isp is 1188 s and weight is 4. 2kg, which reaches the level of current ppt used in the world
所研製的脈沖等離子體推力器樣機質量為4 . 2kg ,在放電能量為40j時,推力為0 . 605mn ,比沖為1188s ,達到國際同期空間試驗樣機的水平。Based on the early study of ppt in cssar, new research work has been carried out on the thruster structure, energy store capacitor, power supply unit, circuit of ignition, measurement of electric properties, thrust and isp of ppt
本文在中科院空間中心的原有脈沖等離子體推力器研究的基礎上,進行了新的研究。研究內容包括推力器本體結構、儲能電容器、充電電源、點火迴路、放電迴路放電參數測試以及推力器的推力和比沖的測試。A ppt test set has been made, and a measurement system of ppt ' s electric properties ( voltage and discharge current ), isp and thrust has been established. measurement of electric properties of the ppt and its isp, thrust has been carried out
通過大量的研究工作,製造了脈沖等離子體推力器樣機,設計並建立了地面真空環境下對于樣機的放電參數(電壓、電流變化)以及推力、比沖的測量環境,並對所研製的樣機進行了電參數和比沖及推力的測量。A coaxial micro - pulsed plasma thruster ( micro - ppt ) improved from the standard pulsed plasma thruster ( ppt ) is drawing attention by its advanced properties of low volume, high isp, high efficiency and stabilization. a coaxial micro - ppt using solid inert propellant teflon has been made in center for space science and applied research ( cssar ), chinese academy of sciences
針對應用於微小衛星的電推進技術,各國爭相開展相關的研究,其中一種經由傳統的平行板電極ppt改進的同軸型脈沖等離子體微推進器(以下簡稱同軸型微ppt )由於其尺寸小、比沖高、效率高、工作可靠等特點尤其受到關注。分享友人