真電荷 的英文怎麼說
中文拼音 [zhēndiànhé]
真電荷
英文
true electric charge-
With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed
本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。High voltage shunt capacitor installation is comp - rised of capacitor cabinets or steel racks capacitor, special fuses for capacitor overload protection, capaci - tor discharge device, air - cored reactor which is applied to restrain surge current and high frequency harmonic, zno arrester without gaps for overvoltage - limiting and high voltage vacuum switch etc. capacitor cabinet is
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置專用放電線圈或電壓互感器，抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv 7. 2kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component
本產品是英國brush公司高壓限流熔斷器製造技術生產的，產品適用於戶內交流50hz ，額定電壓3kv 3 . 6 kv ， 6kv 7 . 2kv ， 12kv ， 15kv系統，並可與其它保護電器如負荷開關，真空接觸器配合使用，作為高壓電動機，電力變壓器及電力設備的過載或短路等保護元件。Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component
本產品是英國brush公司高壓限流熔斷器製造技術生產的，產品適用於戶內交流50hz ，額定電壓3kv 3 . 6 kv ， 6kv 7 . 2kv ， 12kv ， 15kv系統，並可與其它保護電器如負荷開關，真空接觸器配合使用，作為高壓電動機，電力變壓器及電力設備的過載或短路等保護元件。The sample and hold circuit is employed by the bottom plate sampling technique, which could not only cancel the charge injection error but also eliminate the effect of clock feed - through
采樣保持電路設計採用了電容下極板采樣技術，不僅有效地避免了電荷注入效應引起的采樣信號失真，而且消除了時鐘饋通效應的不良影響。Then the equation is further simplified to recurrence formula, which represents the thermal condition of the induction motor really, and reflects that the higher temperature rises, the more rapidly the motor cools
遞推公式真實地反映了感應電動機過負荷時的發熱情況，體現了溫升越高散熱越快的散熱狀態。This paper comparatively analyzes three more practical measurement methods of surface charge distribution on dielectric in vacuum environment : surface potential measurement method, electrostatic capacitive probe measurement method, pockels effect reflecting measurement method, expounds some newly researched productions, and at last puts forward some new problems to be solved in this field
摘要對比分析了真空中介質表面電荷分佈測量中三類較實用的方法：表面電位法、靜電容探頭法、普克爾斯效應反射法，闡述了真空中介質表面電荷測量方法的研究新成果，最後提出了這一領域留待解決的新問題。The sieries product is suitable for the system with current 50hz - 60hz and the rated voltage of 3. 6kv 40. 5kv. it can be matched with other protective electrical equipment vacuum connection, loading switch etc. it can also be used as the overload or short circuit protection parts for high voltage motor, transformer, voltage mutual inductance attenuator and other power equipment
本系列產品適用於交流50hz - 60hz ，額定電壓3 . 6kv 40 . 5kv系統，可與其它保護電器如真空接觸器，負荷開關等配合使用，作為高壓電動機電力變壓器電壓互感器及其它電力設備的過載或短路保護等元件。High voltage shunt capacitor installation is comprised of capacitor cabinets or steel racks capacitor, spe - cial fuses for capacitor overload protection, capacitor discharge device, air - cored reactor which is applied to restrain surge current and high freq. harmonic, zno arrester without gaps for overvolage - limiting and high voltage vacuum switch etc. capacitor cabinet is made of highquality cold - rolling steel plate
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關等設備組成。A painless pulse of electricity can drive drugs, which tend to be charged, through the impermeable outer layer of the epidermis and into the blood vessels of the dermis
無痛的電流脈沖可以趨使藥物（通常會帶電荷）穿越不通透的表皮外層，進入真皮層的血管。（ the force between two point charges at rest is directly proportional to the product of the charges and inversely proportional to the square of the distance between them
在真空中，兩個靜止的點電荷之間的相互作用力的大小與兩電荷所帶電量的乘積成正比，與它們之間距離的平方成反比，作用力的方向沿兩電荷的連線。To make pic ( particl - in - cell ) simulations. to set up models of guns and magnetic field and simulate them in the vacuum and plasma, respectively. we found that plasma held back part of space charge effects and improved trajectory of electrons. but beam would oscillate and became instable as accretion of plasma density. by simulating again and again, we draw a conclusion magic could n ' t work when plasma density was more by far than beam electron density. at last a four - stage depressed collector was simulated
建立電子槍和聚焦系統模擬模型，分別在真空和填充等離子體條件下進行模擬。發現填充等離子體能補償部分空間電荷效應，改善電子束包絡軌跡，提高電子的流通率，但是隨著等離子體密度的增大，束電子會出現振蕩不穩定性，遺憾的是通過反復多次模擬發現本文所用粒子模擬的代表性軟體magic無法用於模擬等離子體密度遠高於束電子密度的情況。The main contributions to the study on the flashover of insulators in vacuum are as follows : 1. a set of test system for the studies on flashover of insulators in vacuum has been developed, which consists of vacuum system, electrode system, e - dot pulse voltage measurement system, surface charge measurement system, current monitor system and luminescence signal measurement system
本文主要完成了以下工作： 1 .通過設計加工真空及試驗電極系統，研製e - dot沖擊電壓測量系統、真空中表面電荷測量系統、沖擊電流和表面微弱光信號測量系統，建成了國內第一套用於研究真空中絕緣子沿面閃絡現象的試驗平臺。Vacuum circuit breaker, drop - out fuse, current limiting fuse, hv fuse, lightning arrester, load switch, power cable distribution box, ring - type net switch station, intelligent power distribution automation system, box transformer substation, hv switchgear cabinet set, lv switchgear cabinet set, isolating switch, hv synthetic rubber insulator, etc. high technology is the source of sunrise development " continuous improvement, keep learning to succeed " is our concept. the group has established a long - tem cooperation with uk birmingham university. electric power research institute of china
主要生產126kv以下輸變電設備，主要有真空斷路器跌落式熔斷器限流熔斷器高壓熔絲避雷器負荷開關電纜分接箱環網開關站智能配電自動化系統箱式變電站高壓成套開關櫃低壓成套開關櫃隔離開關高壓合成膠絕緣子等14大系列800多種規格。The huge number of choices ? at least 10120 vacua ? seemed to demand vast computational power, perhaps even a quantum computer
但面對數量如此龐大（至少有10120個真空）的選項，似乎也得有驚人的計算能力才足以負荷，或許還得靠量子電腦。In the present chapter we shall assume that the charges or conductors are in otherwise empty space.
在這一章里，我們將假設電荷或導體都在真空中。Abstract : starting from the equation of motion of a non - dissipative mesoscopic circuit with inductance coupling ， the quantum fluctuations of charge and current in the eigenstates of the system and the squeezed vacuum state are investigated. the results show that the quantum fluctuations of the charge and current exist in all of the states. the fluctuations in each component circuit are connected
文摘:本文從無耗散的電感耦合電路的經典運動方程出發，分別研究了這一耦合電路在其任意的本徵態下和壓縮真空態下電路中電荷、電流的量子漲落，其結果表明，每個迴路中的電荷、電流都存在著量子漲落，且兩迴路中的量子噪音是相互關聯的This paper reviews the advances in research on the formation mechanisms of ordered mesoporous materials since 1992, and casts light on a few models, such as liquid crystal template mechanism, silicate rod assembling mechanism, silicate layer puckering mechanism, charge density matching mechanism, cooperative formation mechanism, true liquid crystal template mechanism, hydrogen bond - co - - - stack mechanism
摘要簡要介紹了自1992年以來有序介孔材料形成機理的研究進展，重點介紹了幾個重要的反應機理模型，如液晶模板機理模型、棒狀自組裝機理模型、層狀折疊機理模型、電荷密度匹配機理模型、協同作用機理模型、真液晶模板機理模型、氫鍵- -堆積協同作用機理模型等。What ' s not so obvious is that this means waves can move energy around ( and information and other things ) even through empty areas ( no masses, charges, etc )
而另外不那麼明顯的是這意味著波可以傳輸能量（還有信息以及其它事物） ，即便是在真空中（沒有質量、電荷等等） 。分享友人