等電勢 的英文怎麼說
中文拼音 [děngdiànshì]
等電勢
英文
equipotential-
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。Strained - soi mosfet, which appears recently, takes both the advantages of soi ( silicon on insulator ) and sige ( silicon germanium ). it has shown advantages over bulk sample in enhanced carriers mobility, as well as higher transconductance, stronger drive capability and reduced parasitic capacitances. these properties make it a promising candidate for improving the performance of microelectronics devices
Strained - soimosfet是最近幾年才出現的新型器件,它將soi材料和sige材料結合在一起,與傳統體硅器件相比,表現出載流子遷移率高、電流驅動能力強、跨導大、寄生效應小等優勢,特別適用於高性能、高速度、低功耗超大規模集成電路。The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper
本文研究了用igc (惰性氣體蒸發凝聚原位溫壓法)制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅(冷軋紫銅、電解銅)在酸性硫酸銅溶液和中性含氯溶液中,在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法( cv )和電化學阻抗譜( eis )等方法。 x -射線衍射( xrd )的方法用來估算納米晶銅晶粒尺寸。Smart materials and structure have definite requirements of sensor components and driving components, for example, they can adhere well to the matrix and have higher strength, fatigue strength, more broad scope of frequency response and faster response speed, etc. piezodielectric ceramics have characteristic of easily preparing, heat - resistance, wet - resistance, high strength and broad scope of frequency response, etc. furthermore, it has piezoelectric effect and inverse piezoelectric effect, namely it can produce electric potential energy when it is transformed by mechanical strength and its mechanical dimension can be transformed when voltage is put on it
壓電陶瓷能與基體材料很好結合,具有制備容易、耐熱、耐濕、強度高、頻響寬等特點,另外它具有正壓電效應和逆壓電效應,即當它受到機械力變形時,能產生電勢,對它施加電壓時,能改變其機械尺寸,因此它在智能材料結構中既能用作傳感元件又能用作驅動元件。An understanding of electrical emission of concrete may lead to hi practical application such as nondestructive testing of concrete. ( s ) according to nonequilibrium thermodynamics, a mathematical model on the relationship between strain gradient and electric potential gradient is presented
( 5 )依據非平衡態熱力學建立了混凝土中應變梯度和電勢梯度、應變梯此漢理卜人學附士學位論文度和電場強度等力電關系的數學模型。In the lowest order, for the propagation of solitons in an inhomogeneous dusty plasma composed by two kinds of dust grains with different masses, if the interface of two kinds of dust grains in an inhomogenous dusty plasma is discontinuous, the tra nsmision and reflection waves both can be described by the kdv equation
2在非均勻塵埃等離子體中,對于小的、但有限振幅的長波振動,孤子可用kdv方程(或kdv型方程)來描述,而且電勢孤子的傳播情況在定性上與離子等離子體中電勢孤子的傳播情況一致。The temperature rises and the dc voltage are proportional to the power dissipated, which is equal to the power of the source being measured if the input impedance is suitably matched to the source impedance
熱偶冷熱結之間的溫度差和熱電勢均正比于耗散在ta2n電阻上的微波功率,如果熱偶的工作電阻與同軸傳輸系統電阻匹配適當,該功率就等於被測源的功率。The randomicity and relativity of the selection of the referrence of the zero potential was discussed, also mentioned were two rules obeyed in a few special cases and the particularity of the potential distribution function
摘要闡述電勢零點選擇中應注意的幾種特殊情況和應遵循的兩個法則,以及電勢分佈函數的特殊性等問題。Constant potential accelerator
等電勢加速器The fact that tatb crystal in expands along c axle and could not be recovered in a heating circulation were explained from the distance between atoms as well as from miilliken population analysis. we also have explained that p - hmx crystal is easy to initiate decompose and detonate but tatb is very stable through the research of electrostatic potential map of electric charge
分析原子間距和m lliken集居,解釋了tatb晶體沿c軸膨脹以及受熱循環后長大的各向異性和不可復原性等實驗現象;還通過對點電荷靜電勢的研究,闡明了- hmx晶體易於在分子間相鄰硝基處引發分解和起爆,而tatb則很穩定等實驗事實。In chapter 2 and 3 we introduced the development and problems in inorganic and organic electroluminescence ( iel and oel ). in chapter 4 we utilize the simple static properties of inorganic material to form complex with organic material
利用有機無機的復合,既發揮了無機材料的穩定性、簡單的、靜態的特點,又利用有機電致發光驅動電壓低、顏色豐富等優勢。Electronic image stabilization is a new technology to stabilize video image sequence. because of its advantages of high image stabilizing precision, compact size, lightweight, low power consumption and reasonable price, the electronic image stabilization has become a focus of study competition among developed countries in west of the world. especially it is applied to men - manipulative weaponry equip
電子穩像是一種視頻圖像序列穩定技術,由於它具有穩像精度高、體積小、重量輕、功耗低以及成本低等優勢,從而成為西方先進國家競相研究的焦點,尤其是將它應用於有人操縱的武器裝備中。At the same time, liquid crystal science harvests satisfyingly, its research field has extended to physics, chemistry, electronics, biology, etc. surface orientation of liquid crystal molecule ( lcm ) is a key technique in the application of lcd, the effect of orientation plays an important role in the basic performances, such as uniformity, visual angle, aberration, response, threshold of voltage and so forth
液晶自1976年在世界上首次應用於計算器的顯示屏以來,就以其輕量、薄型、能耗低、顯示面積大等優勢在顯示應用方面得到迅猛發展,而同時,液晶科學也得到了全面發展,研究領域遍及物理、化學、電子學、生物學等各個學科。液晶分子取向控制技術是液晶板顯示應用中的一個關鍵技術,取向程度的好壞對液晶顯示器的均勻性、視角、色差、響應速度、閾值電壓等基本性能都有重要影響。It is showed that the torque ripple is not only connected with the phase currents, but also with the other factors, such as the instantaneous phase emf ' s in the case of commutation, the angle of commutation and the parameters of the windings
從一個新的角度分析了繞組換相引起轉矩波動的原因,指出換相轉矩波動不僅與電機繞組電流有關,還與換相時相繞組感生電勢瞬時值、換相位置角、繞組參數等因素有關。Considering the relations between idle load characteristics and armature winding parameters of the salient pole propulsive synchronous motor ( spsm ) with its structure, stator tooth and magnetic saturation, the analysis of numerical method for the back electromotive force calculation of spsm is given under various exciting current values
摘要針對凸極式同步推進電機的空載特性及其繞組參數與電機結構、定轉子齒槽、磁場飽和等緊密相關的問題,分析了在不同勵磁電流下同步推進電機相反電勢的數值計算方法,提出了採用電機磁場能量微動法計算相繞組的參數,並對一臺十二相同步推進電機的繞組參數及其空載特性進行了計算和測量。This article reviewed the current status and evolution of unconventional co - deposition mechanisms in zn - based alloy, analysed various standpoints, such as film adsorption mechanism, electrochemical dynamics mechanism, not enough potential depositional mechanism, the effects of ionic. soft and rigid acidity, quantum chemical explanation and interphase effect mechanism, and compared each advantage and deficiency, respectivly ; it could be advantageous to more studies regards to unconventional co - deposition mechanisms in zn - based alloy
摘要綜述了鋅基合金異常共沉積的機理研究進展情況,通過對膜吸附機理、電化學機理、欠電勢沉積機理、離子軟硬度的影響、量子化學解釋和界面作用機理等各種不同觀點的介紹和分析,總結了各自的優勢和不足,為鋅基合金異常共沉積的機理進一步研究提供了幫助。To avail ourselves to good use of the advantaged position, expansive resource, flexible information, competitive price perfect service, we have developed a long - term relationship with the electronic components manufacturer come from europe, japan usa, being as a dealer for integrate circuit, diodes, audions and different kinds of semiconductor accessories. the main brands of our products are : ess, sunplus, sony, sanyo, samsung, philips ect. widely ues in the cd, vcd, dvd, tv and the martial and the industry domain
地處亞歐美的各種中心樞紐,進貨渠道廣闊,電子信息靈活產品價格源頭品種全供貨快捷等優勢,多年來與歐日美最優質的電子元件生產廠家建立一種長期良好的合作關系,代理代銷多種品牌的集成電路ic二三極體等各種半導體元件,香港英之傑電子公司電話:When the conductor in electric fields reaches electric balance, the whole conductor is an equal potential body, which point ( plane ) can represent the entire conductor that is the key to calculating the electric potential of the conductor
由於處在靜電場中的導體達到靜電平衡后是一等勢體,導體中哪一點(面)的電勢能代表整個導體的電勢是求解導體電勢的關鍵。By introducing the concept of equivalent electric charge, the image charge is well determined when the polarizing charge exists, solutions are provided for problems on electric image and electric potential in intersection of two different media, and the easy access of the solutions is exposited
摘要通過引入等效電荷的概念,較好地處理了有極化電荷存在時象電荷的確定,給出了兩種介質交界情況下的電象及電勢問題的求解,從而說明用其解決問題的方便之處。The softswitch technology breaks the close traditional exchange structure. it adopts the combined pattern, open interfaces and generally used agreements to establish a open nad distributed system structure for more customers ' application. the substance of softswitch is to turn traditional switch matrix to the ip network. the network is open, easy and cheap. it makes use of superiorities of the network to exchange speech sounds
軟交換技術打破了傳統的封閉交換結構,採用組合模式、開放的介面和通用的協議,構成一個開放的、分佈的和多廠家應用的系統結構。軟交換的實質是將傳統交換的電路矩陣移到ip網路上實現。利用ip網路的開放、簡單、低廉等優勢進行語音交換。分享友人