場電離 的英文怎麼說
中文拼音 [chǎngdiànlí]
場電離
英文
field ionization-
Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically
考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。Characteristics of rf ion source electromagnetic field
型放電離子源的場特性Standard test method for separating an ionizing radiation - induced mosfet threshold voltage shift into components due to oxide trapped holes and interface states using the subthreshold current - voltage characteristics
利用亞閾值安伏特性測定由於氧化空穴和界面態產生的電離輻射感應金屬氧化物半導體場效應晶體管閾電壓偏移分量的標準試驗方法During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma, hi fifties year, research reports studied on rf ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent
離子源工作時,放電空間交變的軸向磁場和渦漩電場激發放電管中經鈀管純化后通入的氫氣電離,形成等離子體。 50多年來,關于高頻離子源的研究報告很多,但是,這些研究主要都集中在應用研究方面,有關高頻無極環形放電離子源的理論與實驗模型研究不是很多。It is found that the main electronic conduction mechanism in the high field regions of the i - v characteristics is identified to be fowlernordheim tunneling. the effect of y ray on sic mos c - v characteristics depends strongly on the bias voltage applied to the gate electrode during irrad
當氧化層中存在較強電場時,電離輻照對s匯mos電容的影響會更明顯, sicmos器件比st器件具有更好的抗y輻照的能力。A dvordme standard international civil aviation organisation ( icao ) radio navigational aid that provides bearing and distance information to aircraft and to define air traffic control routes for en - route, terminal and instrument approachdeparture procedures
這是國際民航組織指定的標準無線電導航設備,向航機提供方向及距離的資料,以確定航路、終端區程序、儀表進場及離場程序等。Doppler very high frequency omni - directional range and distance measuring equipment ( dvordme ) system standard icao radio navigational aids used to provide bearing and distance information to aircraft and to define air traffic control routes for en - route, terminal and instrument approachdeparture procedures
這是國際民航組織指定的標準無線電導航設備,可向航機提供方向及距離的資料,並可以確定航路、終端區程序、儀表進場及離場程序等。Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical
通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出:弧根周圍空氣的熱電離導致了電弧的發展,靜電場力對電弧的發展起到了加速作用,電擊穿僅發生在閃絡最終的跳躍階段;通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數,得到了不同階段電弧(電弧起弧階段、電弧發展階段及完全閃絡)的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。The physical characteristic of forming plasma within resonant cavity was revealed, i. e. the forming mechanism is a switching process from the ionization caused by strong electric field at the initial stage of mpt ' s start to another ionization caused by joule ' s heat at the stage of mpt ' s steady work. the main influencing factors of mpt ' s steady work were studied. anther pointed out the matching between pressure in resonant cavity and microwave power is the determinant factor to the plasma whether stabilization or extinguishing
分析了mpt諧振腔內微波能量的轉換過程,揭示了其內等離子體的形成是由mpt啟動初期的強電場電離形成放電區過渡到穩定工作期的熱電離形成穩態等離子體區這一物理本質;研究了影響mpt穩定工作的主要因素,指出微波有效功率與諧振腔內氣體壓強的匹配是維持等離子體穩定、避免等離子體消失、放電區熄滅的關鍵因素。Insulating oils - determination of gassing under electrical stress and ionization
絕緣油在電場和電離作用下析氣性測定法Electron residual energy in argon using ultra - short laser pulses
氬在超短脈沖強激光場中電離電子剩餘能的研究It is made of computer network, plc, and new field bus - profibus, the new control system has been debugged successfully, it ( has collect the signals from the 4mv high voltage terminal through the way of infrared and optical fibres, it ends the history that the 4mv high voltage terminal is a black box
由控制微機,可編程式控制制器和新的工業現場總線? ? profibus組成的加速器控制系統已經調試成功,它把高壓端的信號成功地通過紅外線和光纖通路採集到微機,結束了傳統靜電離子加速器高壓端是個黑匣子的局面。The work part of the micro - ppt is less than 200g, and less than 5mm in diameter. high isp and high efficiency are acquired because of the efficient coaxial discharge characteristic and higher discharge voltage than the standard ppt
該推進器的基本原理是通過真空中對工質的高壓放電使工質電離為等離子體,等離子體在電磁場的作用下加速排出形成推力。Various flow mechanisms and interactions between electromagnetic field and high temperature ionized gas were covered in the fluid dynamic and electromagnetic equations, and various impact reactions were taken into account in the chemical dynamics model
流體力學方程組和電磁場方程考慮了多種流動機理及電磁場與高溫電離氣體的相互作用,化學動力學模型考慮了各種碰撞反應。The background interplanetary magnetic field is spiral with a vanishing south - north component, the initial ionosphere is dominated by the region field - aligned current ( fac ) and the corresponding dawn - dusk electric field, and the interplanetary shock collides with the earth along the sun - earth line
背景行星際磁場為螺旋場,南北分量為零;初始電離層由區場向電流和相應的晨昏電場所主導;行星際激波沿日地連線方向撞擊地球。We construct eigenfunctions from the linear combination of the b - spline functions and the truncated fourier series, and extend pseudospectral method to calculate above - threshold ionization electron spectrum of one - dimensional atom in intense laser fields. our results are also in very good agreement with those of split - operator method
本文還利用b樣條函數和傅立葉級數的線性組合構造原子未微擾的本徵函數,將偽譜方法推廣用來計算一維模型原子在強激光場中的閾上電離譜,其結果與分裂算符方法所得的結果也符合得很好。In chapter three, giving an initial disturbed transverse electric field and selecting the parameters in ionosphere, then we numerically simulate these equations we have get
第三章是在給定一個初始的擾動橫場條件下,並選取好所需要的電離參數,然後對已求得的這組方程進行數值模擬。The relative theory of capillary electrophoresis has been studied. the low voltage separation models with moving grade electrical field and high voltage separation model have been discussed
研究了毛細管電泳的相關基礎理論,從理論上較深入地研究分析了傳統的毛細管高電壓分離模式與本文所採用的低電壓運動梯度場分離模式。It is shown that under the action of the shock, the region current moves towards the midnight, accompanied by a successive occurrence of two fac structures : an anomalous fac pair of opposite direction to the region current and a new region current of the same direction
模擬結果表明,在激波的作用下,電離層區電流系統向子夜方向運動,在向陽側相繼出現與原區電流反向的異常場向電流對和同向的新生區電流對。Field ionization source ; fi source
場電離源分享友人