陽電子理論 的英文怎麼說
中文拼音 [yángdiànzilǐlún]
陽電子理論
英文
positron theory- 陽 : Ⅰ名詞1 (太陽; 日光) the sun 2 (山的南面; 水的北面) south of a hill or north of a river 3 (中...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 電子 : [物理學] [電學] electron
- 理論 : theory
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In chapter one, we make a review of particle acceleration theory and the use in solar corona. in chapter two, first we get the spectrum of synchrotron radiation then obtain the electron energy spectrum. in last chapter, we select the typical solar active region parameter to compare our result to the observation and discuss the acceleration mechanism
本文第一章對粒子加速理論以及目前各種加速理論在太陽日冕中的應用作了介紹;第二章通過理論計算得到同步加速輻射譜以及電子能譜;第三章選取太陽日冕中典型參數,對同步加速輻射加速日冕快電子作了簡單討論。In theoretical analysis, the motion of radially - emitted electron beam in diode region and drift region has been analyzed, and the relation between radial momentum or current of electron beam and the guiding magnetic field has also been studied, then the possibility to optimize the guiding magnetic field has been derived. the motion of radially - emitted beam electrons in smooth bore magnetron and smooth bore milo has also been studied theoretically. at last, the motion of radially - emitted beam electrons in compound axial and azimuthal magnetic field has been studied
在理論分析中,初步分析了軸向發射條件下電子在二極體區域和漂移區的運動規律,電子徑向動量隨著外加磁場變化的規律,以及電子束電流隨著外加磁場的變化規律,還有二極體區域磁場優化的可能性;分別研究了有軸向磁場時以及有角向磁場時徑向發射的電子在光滑陽極結構中的運動規律,最後分析了在軸向和角向復合磁場中電子的運動規律。It has high selectivity in adsorpting water, polar molecule or polarizable molecule on account of the existing of mighty coulomb field and polar interaction in the internal of crystal cave of zeolite, the high electric field gradient and the uneven surface caused by the exposure of exchangable cation of equilibrium framework negative charge in framework structures
由於分子篩晶穴內部有強太原理工大學碩士學位論文摘要大的庫侖場和極性作用,再加上骨架中大量平衡骨架負電荷的可交換陽離子的暴露造成的高電場梯度及表面的不均性,使其對水、極性分子及可極化的分子具有高選擇的吸附性能。The sample with low emitter efficiency has completed as the method of above. this lead to the greatly decrease of the reverse recovery time and the low reverse leakage and forward voltage, especially the excellent temperature character of the leakage. the test date shows that the samples reach the first class of international level
本論文作者通過模擬測試,驗證了課題研究的理論設想,並設計製作了具有低陽極發射效率結構的高壓功率frd ,利用局域鉑摻雜和電子輻照相結合的壽命控制方式,實現器件反向恢復時間的極大減小,並且反向漏電流、軟度因子、正向壓降等關鍵參數也較理想,且具有極佳的漏電溫度特性,達到器件綜合性能的優良折衷,達到國際先進水平。Working principle : using the low - voltage high - frequency current rtansform from high - tech molectron, conbne traditional energy - channel theory from china, it gets through the energy - channel of body in a breath stimulate bicelectricity of body for therapy, have efficacy of through but indolence it ` s able to adjust metaboilsm, eliminate subhealth, reforning bone, skin etc, fast supply energy for body, at the same time, you can got beauty, health and happiness
工作原理:採用通過尖端電子集成技術轉化的低壓高頻電流,結合中國傳統的經絡理論,瞬間打通人體經絡,激發人體生物進行治療,以達到「通而不痛」的功效,調整代謝,調動潛在的生命能量,消除亞健康,重整經,骨,皮等器官,快速補充人體生命能量,通經活洛,平衡陰陽,增強體內含氧量,調理臟腑,同時美膚修身,以達到身心健康,美好,快樂的境界!Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established
鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式;研究得到了減反射膜對太陽電池短路電流增量比的極限;建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。Which is very dim and hence very difficult to find. if it is massive enough though model dependent, the lower mass limit is about 0. 1 solar mass, the gas in the protostar continues to heat up until the central portion becomes hot and dense enough for, say, the hydrogen nuclei to overcome their mutual electrical repulsion. nuclear fusion will then take place and a star is finally born
如果原行星質量足夠大下限約為0 . 1個太陽質量,要注意的是,不同的理論模型會給出不同的下限,原恆星會不斷變熱,直至核心部分足夠熱和高壓,令氫原子核克服質子間的電排斥力,產生核聚變,成為一顆真正的恆星。We define the recombination time of excess electrons in p field as the minority carrier lifetime. in theory, we developed the equation between excess minority carriers lifetime and the open - circuit voltage decay ; moreover, the effect of capacitance to general open - circuit voltage is also investigated. both different efficiency solar cells are measured by the method and showed the relations between the minority carrier lifetime and the performance of solar cells, which provides great useful guidelines for fabricating high - efficiency silicon solar cell in industry
根據太陽電池的工作原理,詳細地論述了用脈沖光源照射n / p結太陽電池時光電壓的產生,理論上給出了注入p區的電子復合帶來的開路電壓與少子壽命的關系,也研究了n / p結勢壘電容放電對開路電壓衰減的影響關系,推導了利用開路電壓隨時間衰減的關系來測量少數載流子壽命的理論公式。This thesis, through extensive investigation on site for present situation of mse credit guarantee finance in mianyang, incorporated relevant theory of mse credit guarantee with the present development of mse credit guarantee in domestic and abroad, analysis the guarantee financing case of mianyang zijiang electronic ltd. study the guarantee operation of mianyang tianli credit guarantee ltd. in detail, point out. the problem existed in mse credit guarantee institution in mianyang. at last, the thesis gave the strategy and proposal of how to improving the credit guaranty system in mianyang
本文對綿陽市中小企業信用擔保融資的現狀作了詳實的實地調研,結合對中小企業信用擔保有關理論的探討以及目前國內外中小企業信用擔保的發展情況的介紹,運用實證分析和案例分析法,分析了綿陽市資江電子有限責任公司的擔保融資案例,具體解剖了綿陽市天力信貸擔保公司的擔保運作機制,指出綿陽市中小企業信用擔保融資存在的問題,最後提出了完善綿陽市中小企業信用擔保體系的對策及建議。( 3 ) the free - standing porous silicon films with continuous porous structure were prepared on single crystal silicon wafer by the method of anodic oxidation and electrochemical etching - electropolishing, and firstly used as the anode materials for lithium ion secondary batteries. the capacities of lithium ions storage and the process of charge and discharge of this nano - silicon anode materials as well as the influence of the structure of ps on behavior of storing lithium ions were inspected at length. on the other hand, through the process of charge and discharge in cells, the lithium of light metal element could be electrochemically doped into ps at different doping levels
胡勁松河北師死大學碩士學位論文( 3 )利用陽極氧化法在單晶硅基底上制備了多孔硅自支撐膜,並首次將這種具有連續多孔結構的硅材料用作了理離子電池的陽極材料,考察了這種納米級硅陽極的儲鉀性能和充放電過程,分析了材料結構對其儲理行為的影響;另一方面,利用這種電池充放電過程在多孔硅中電化學引入了不同點綴程度的輕金屬鉀元素,考察了鉀點綴對多孔硅自身結構,及至性質所帶來的影響,提供了一種通過電化學方法插入埋離子從而連續調整多孔硅發光性質的有效方法。Key technologies and its mechanism for improving crystalline silicon solar cells in the scale manufacture have been researched in this thesis. after sioa surface passivation and forming gas treatment utilization in the scale manufacture, the surface recombination and series resistance of solar cells have been reduced while their open - circuit voltage, fill factor and efficiency improved
本論文研究了提高晶體硅太陽電池效率規模化生產工藝技術的主要環節和相關機理,將sio _ 2表面鈍化、 forminggas處理用於規模化生產,降低了太陽電池的表面復合速度和串聯電阻,提高了開路電壓、填充因子和轉換效率。These results provide basal information and theories data for increasing the solar cell conversion, developing and exploiting the miniature photoelectron switching apparatus
這為提高太陽能的轉換與利用以及微型光電子開關器件的研製、開發提供了基礎材料和理論數據。Filling factor of the cell is equal to the percentage of discharging time per working period. ideal filling factor of ac solar cell can reach to 1
理論分析表明,交流太陽能電池的填充因子可以無限接近1 ,交流太陽能電池的轉化效率大於相應的直流太陽能電池。The theory and method of monitoring the solar flare using dual - frequency gps receiver observation data are discussed in details. the main work contains : the factors influencing the vertical total electron contents ( vtec ) of the ionosphere are summarized, and some knowledge about the solar flare is introduced. besides these, the effects of the solar flare on the ionosphere and of the flare burst on the gps measurements are clarified
本文探討了利用雙頻gps接收機的觀測值監測太陽耀斑的有關理論和方法,主要工作包括:總結了影響電離層電子總量的因素,介紹了太陽耀斑的有關知識,闡明了太陽耀斑對電離層的影響及耀斑爆發對gps測量的影響。分享友人