式量電位 的英文怎麼說
中文拼音 [shìliángdiànwèi]
式量電位
英文
formal potential-
Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils
其次,為全面了解這種新型電磁電機的電磁特性和動力特性,本文從電機磁場的基本方程及其邊界條件出發,應用無旋磁場的標量磁位概念,建立了端面搖擺式電磁微電機內部磁場的數學模型,並以此為基礎,詳細分析了電機氣隙磁場的各方面性質,對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。It combained potentiostat, potentiostatic circuit instrument and ac impedance measurement organticace, which can measure usual dynamic potentio - scan, experiment of dynamic potentio - scan, but also unique measurement of ac impedance measurement, also, this new type electrochemical workstation can carry on complex experiment, sucn as potentio / current scan ac impedance measurement procedural measurment, life - span - circle ac impedance measurement procedural measurement in order to fullfill the goal of track and analysis of parameter in various electrochemical conditions. this graduation thesis indicate the structure, function of the multifunct - ional electrochemical workstation
它把恆電位儀,恆電流儀和電化學交流阻抗分析儀有機地結合到一起,既可以做常規的基本測試如動電位掃描、動電流掃描試驗和電化學交流阻抗測量,也可以做基於這三種基本試驗的程式化試驗,如恆電流充電-電化學交流阻抗測量,電池壽命循環試驗-電化學交流阻抗測量試驗,從而完成多種狀態下電化學體系的參數跟蹤和分析。Finally, the impedance analytical expression for the solenoid coil with a finite - length ferrite core carrying time - harmonic current is obtained through the magnetic vector potential
最後由矢量磁位得到帶有限長磁芯的放置式通電圓柱線圈的阻抗解析表達式。A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate
本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生位移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓信號。The flow - measuring system adopts the khafagi flume as the first sense organ to realize the flow / head signal conversion. the head signal is picked up and converted into voltage signal by the buoy - level mechanism and the magnet - resistant angle measuring sensor
該流量測量系統採用卡發基水槽作為一次敏感器件實現了流量水位的信號轉換,並通過浮子?杠桿測量機構和磁阻式角度傳感器對水位信號進行拾取並轉化為電壓信號輸出。Harmonized system of quality assessment for electronic components : sectional specification : lead screw actuated and rotary preset potentiometers
電子元器件用質量評估協調體系.分規范.導螺桿傳動和旋轉式預調電位器At the same time, a lot of electrical energy is wasted when the level is high and the working curve is displaced. so urgent affairs are choosing right timing ways to rebuild the pumps. applying frequency conversion timing to wind machines and pumps is an important technology in our country
設計都按照長江、漢水百年一遇最低水位選擇水泵出水揚程,這樣在高水位時往往由於揚程太大而偏離水泵的工作高效區,浪費了大量電能,選擇合適的調速方式對泵船水泵機組進行節能改造,成為當務之急。The moment of inertia, damp and comeback can be adjusted. two electro - hydraulic servo systems analog rolling moment and swaying force of wave respectively. the two systems both use electro - hydraulic servo valves, in which the analog rolling moment system adopts gear - rack swing hydraulic - pressure oil vat with torque sensor, while the analog swaying force system employs double shanks hydraulic - pressure oil vat with two pressure sensors and a placement sensor
兩套電液伺服系統均使用流量電液伺服閥(採用外供油方式) ,其中模擬橫搖力矩的伺服系統採用齒輪齒條擺動液壓油缸,配有扭矩傳感器,模擬橫蕩力的伺服系統採用雙出桿液壓油缸,配有兩個壓力傳感器和一個位移傳感器。Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained
在回顧雜交混合有限元理論的基礎上,從包括位移、應力、應變、電勢、電位移、電場強度六個未知量的廣義壓電材料能量泛函出發,通過約束電場強度?電勢關系、應力與應變及電場強度的關系,得到僅包括位移、電勢、應力三個未知量的雜交變分泛函,利用一般層合板的雜交混合變分原理,分離面內分量和橫向分量,導出以位移、橫向應力、電勢為未知量的壓電層合板的修正變分泛函,作為壓電層合板的雜交元列式的理論基礎。This paper analyzes detailedly the principles on distributed busbar protection - current instantaneous value differential method, impedance method, and put forward the new method of current fault component phase method, then compares with these methods
本文詳細分析了分散式母線保護中的原理?瞬時值電流差動法、阻抗法,提出了電流故障分量相位法的新方法,將這幾種方法進行比較。Using the vector potential, the expression for calculating inductance of air - cored solenoid coil is derived in the dissertation. and the calculating methods of function t in the calculating expression are given for the convenience of the calculation of inductance while the precision is not strictly requested
利用矢量磁位a直接推導出了通電空心圓柱線圈電感的計算表達式,給出了求解計算式中函數t的計算方法,以方便精度要求不高時的電感計算。A significant suppression of phase transitions and lattice changes during cycling is occurred for ti - doped materials, and a decrease of interface reaction activity between the cathode and electrolyte is also demonstrated for ti - doped cathodes. as a result, the capacity losses, which are originated from structural changes and interface reactions during cycling, decrease and thereby cycling life increases for ti - doped materials
摻欽后,電極材料的離子分佈形式發生變化,引起材料結構中的化學鍵產生變化,電極材料充放電過程中的結構相變得到有效抑制,結構變化相應減小,電極材料在高電位下的界面反應活性也減弱,從而減小了由結構變化和界面反應引起的容量損失,改善了電極材料的充放電循環性能。Specification for harmonized system of quality assessment for electronic components - blank detail specification - load screw actuated and rotary preset potentiometers - assessment level e
電子元器件質量評估協調體系.空白詳細規范.絲桿傳動和旋轉式預調電位器.評估等級eSpecification for harmonized system of quality assessment for electronic components - potentiometers for use in electronic equipment - blank detail specification : lead - screw actuated and rotary preset potentiometers - assessment level f
電子元器件質量評估協調體系規范.電子設備用電位器.空白詳細規范:絲桿傳動和旋轉式預調電位計.評估等級f_ incremental form of evolution law of domain switching is developed by taking the volume fraction of domains as key intrinsic factors. the main factors that have great influence on domain switching are material parameters, domain wall motion, domain volume fraction and the interaction energy between inclusion and matrix. inclusion and its neighbors could be addressed in the description as well
? ?建立了以電疇翻轉時的體積分數增量為中心的,基於鐵電疇壁運動特性的剩餘應變及電位移的增量形式的演化方程,在其中包含有材料參數、疇壁運動、電疇形式、電疇體積分數及基體與夾雜、夾雜與夾雜等相互間能量作用等影響因素。Light microtechnique and sa - galactosidase method was used to study the effects of super - high - concentration of glucose on the senescence of human diploid fibroblast 2bs cells, ros and the membrane potential of mitochondria during this process were measured. our results showed that 200 mmol l of glucose inhibited the growth of 2bs cells, led to the changes of reactive oxygen species and decrease of mitochondrial membrane potential, and caused senescence of 2bs cells rapidly. it supports the hypothesis of oxidative damage of senescence. moreover it is a better system for the study of the effects of ros during the process of replicative senescence
利用光學顯微鏡觀察和酸性-半乳糖苷酶染色技術研究了高濃度葡萄糖對人二倍體成纖維細胞2bs細胞衰老進程的影響,並用流式細胞儀檢測了此過程中活性氧和線粒體膜電位差的變化。結果表明: 200 mmol l的葡萄糖對2bs細胞有生長抑制作用,能引起活性氧含量的變化,導致線粒體膜電位差顯著下降,並誘導了細胞的衰老。這為氧化損傷假說提供了新的證據,並為研究活性氧和復制衰老之間的關系提供了較好的體系。Mr patrick chan wing - kwan, managing director of kingboard chemical said at the foundation ceremony : " jiangmen enjoys a natural geographical advantage as it is close to zhongshan and zhuhai where a lot of consumer electronic and components factories are located
建滔集團董事總經理陳永錕先生於奠基儀式上表示:江門位處廣東省的戰略位置,而鄰近的中山珠海設有大量電子產品生產商和電子零件廠。Two electro - hydraulic servo systems analog rolling moment and swaying force of wave respectively. the two systems both use electro - hydraulic servo valves, in which the analog rolling moment system adopts gear - rack swing hydraulic - pressure oil vat with torque sensor, while the analog swaying force system employs double shanks hydraulic - pressure oil vat with a placement sensor
兩套電液伺服系統均使用流量電液伺服閥(採用外供油方式) ,其中模擬橫搖力矩的伺服系統採用齒輪齒條擺動液壓油缸,配有扭矩傳感器,模擬橫蕩力的伺服系統採用雙出桿液壓油缸,配有一個位移傳感器。A modified peec model was introduced, in which the integral definition of vector magnetic potential and the lorentz gauge are used to expand the integral equation to derive the peec
摘要提出了一種改進的部分元等效電路模型,它以矢量磁位的積分表達式和洛侖茲規范代替了矢量磁位和標量電位的積分表達式,對積分方程進行展開。分享友人