零電極 的英文怎麼說
中文拼音 [língdiànjí]
零電極
英文
null electrode-
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。Universal type that guangzhou dongchen electric vehicle co., ltd develop the latest electric car mix with the motive to become soon the green environmental protection motor car, it broke the traditional consciousness, the way that whole car lines that tradition of limitless become soon, that car have the zero row to put, free from pollution, have no the noise, mentally retarded consume, start steady, long drive route, excellent climbing ability, the special advantage of low etc., function index sign of movement cost is already the advanced level, it broke the tool of traditional transportation means of transportation flowing freely of world, now a humanities culture for be in the leading, a nature consciousness for be in the leading
廣州東辰電動車有限公司最新款的普及型混合動力變速綠色環保電動車，它打破了傳統的無極變速方式，該車具有零排放、無污染、無噪音、低能耗、起動穩、行程長、爬坡力強、運行成本低等獨特優點，性能指標已達世界先進水平，它打破了傳統交通代步工具的局限意識，整車線條流暢，體現一種領先的人文文化，一種領先的自然意識。Conventional hard switching technology has several flaws below : on and off loss, inductive off, capacitive on and diode recover problems. comparing with it, the loss of on and off decreases markedly, as the switches are on and off in zero voltage or zero current cases. and also the size of converter becomes smaller because of the higher of switching frequency
傳統硬開關技術由於存在開通關斷損耗大、感性關斷、容性開通、二極體反向恢復等問題，與之相比，軟開關技術在零電壓或零電流條件下導通，開關損耗明顯降低，加上開關頻率的提高使得變換器的體積得以減小，這也是軟開關技術受到青睞的原因。Circuit board, integrated circuit, resistor, capacitor, chips, rectifier, led, diode, transistor, laser pick - up head and all kinds of electronics component
電路板集成電路電阻電容主晶元整流管發光管二極體三極體鐳射光頭等各類電子零件By increasing pouring & molding machines and semi - automatic lathes, and setting up our facility research and development department, we were capable to processing standard metal and international standard metal accessories
主要加工設備調整，成立專機研發部，專業標金非標及國標零件加工，增加註塑機、半自動車床，積極開拓歐、美市場，生產加工領域涉及電器，電子及家電產業。The average partical size of bismuth ruthenate and pbo - b _ 2o _ 3 - sio _ 2 glass was researched. the smaller bismuth ruthenate partical is, sheet resistivity is lower and temperature coefficient of resistance ( tcr ) is more positive and the refiring change ratio is nearer to zero. the limit size of bismuth ruthenate partical is 0. 56 m
研究了各相粉體平均粒徑對膜層性能的影響，結果表明:釕酸鉍平均粒徑越小，膜層的方阻值越小，電阻溫度系數偏正，重燒變化率越接近零值，球磨工藝的極限平均粒徑為0 . 56 m 。A resolution method in software is applied to calibrate zero point and full scale of the circuit. software approach to nonlinear correction for sensor and circuit is presented. therefore system error is eliminated, and measurement accuracy of temperature is improved. the signal of acidity electrode is detected by a differential amplifier circuit, which consists of operational amplifiers tlc2254 with high input impedance and low drift
採用橋路和單運放差動放大電路對溫度傳感器信號檢測放大，軟體校正溫度傳感器和測量電路的非線性，軟體校準測量電路的零點和滿度，消除測量電路的系統誤差，提高補償溫度的測量精度；採用高阻、低漂移運放tlc2254組成高阻差動放大電路用於酸度電極信號測量。A cad system for three dimensional electrode of turbo blade mould part is developed in this paper
摘要開發了一個針對渦輪葉片模具活塊的電極零件的cad系統。This thesis establishes the cylinder gear and conic gear parameter serial, and analyzes their mechanics, completed the gear ' s product size - taking shape the molding size - electrode size delivers the regulation proceeded the research. establishing the design and calculation methods for the gears precision forming the craftwork parameter, forge piece, those gears precision forming perform, mould and and tool electrodes. based on the software platform of pro / engineer 2001 and visual c + +, the system is consisted of capp and cad, which are used for forming process and mould design for the gears, are studied and developed
本文對圓柱齒輪的精密模鍛和圓錐齒輪的冷擺輾成形工藝及其力學本質進行了系統的研究，分析了齒輪精密成形的影響因素，確定了齒輪零件一鍛件?電極?模具尺寸的傳遞規律，建立了齒輪精密成形工藝參數、鍛件、預制坯、模具以及電極的設計計算方法鏈。In this thesis, the basic aspects about forming process and mould for cold precision rotary forging of common bevel gear are studied with method of theory and experiment. the rules and numerical relations of dimensional precision relaying among common bevel gear part, die cavity and tool electrode are established. meanwhile, the design and calculation methods for process parameters, mould, common bevel gear forging and preform and tool electrode are established
本論文對傘齒輪冷擺輾精密成形工藝的若干問題進行了系統的理論和實驗研究，深入分析了傘齒輪冷擺輾精密成形工藝的物理力學本質，確定了傘齒輪產品零件?模具?電極之間的幾何尺寸精度傳遞規律和數值關系，建立了冷擺輾精密成形工藝參數和模具、傘齒輪鍛件和預制坯、工具電極的設計計算方法。A novel resonant pole zvt three - phase pwm inverter circuit for three - phase ac motor driving is presented. the proposed circuit has the feature of being more flexible with three inverter arms in zvt process. using only one resonant inductance, the inverter can not only reduce the power loss of inductance but also avoid possibility of unbalance in motor ' s three stator windings
提出了一種針對三相交流電機驅動的新型諧振極零電壓過渡三相pwm逆變器電路，該電路中三個逆變橋臂的零電壓過渡更具有靈活性，僅使用一個諧振電感，既減少了電感損耗又防止了電機三相定子繞組可能存在的不平衡問題，並且諧振電感中殘余能量能夠回饋給電源；新型逆變器的輔助開關均工作在零電流開關條件下，並且控制邏輯簡單。Lead used in the soldering for surface finishing at the electric pole terminal on the electronic parts
電子零件上的電極端子表面加工焊料所用的鉛。Because the current passing through measurement circuit is near to zero, the effects of electrode polarization on the measurement results are virtually eliminated
由於流過測量電路的電流近似為零，因此消除了電極極化電壓對測量結果的影響，提高了測量的精度。Firstly, the basic theory of full - bridge phase - shift zvs pwm converters are expatiated and another three kinds of circuits of full - bridge phase - shift zvs pwm converters are discussed. there are four kinds of problems which are emphasized : how to expand the zvs range ; how to reduce the circulation in the primary side of the transformer in order to minimize the on state losses ; how to decrease the loss of effective duty circle and how to eliminate the parasitic oscillation of the output rectifiers
本文首先分析了基本的全橋移相zvsdc dc變換器的工作原理，為解決滯后橋臂不易實現零電壓開關（ zvs ）的情況，討論了另外三種全橋移相zvsdc dc變換器的電路拓撲，重點分析並解決了四個方面的問題：如何擴大zvs的負載范圍；減小變壓器原邊環流，降低變換器系統通態損耗；減少變壓器次邊有效占空比丟失；消除輸出整流二極體的寄生振蕩。Switching loss and efficiency of the proposed resonant pole zvt three - phase pwm inverter are analyzed and discussed. results of calculation and testing of the prototype together with a hard - switching inverter with the same specification show that an improvement of 2 % ~ 3 % is obtained. based on the analysis of drawbacks of existing svpwm technique in resonant pole zvt three - phase pwm inverters, several improved svpwm methods are presented
對提出的諧振極零電壓過渡三相pwm逆變器的開關損耗和工作效率，進行了深入的分析和討論，並針對原理樣機進行了理論計算和實際測量，並與相同規格的硬開關三相逆變器進行了對比研究，結果表明，採用提出的軟開關技術的原理樣機的效率可以提高2 % 3 。A current - doubler - rectifier ( cdr ) zvs pwm ( half - bridge ) three - level converter is proposed in this paper. zvs can be achieved for all the switches in a wide load range with the use of the energy stored in the output filter inductances. the output rectifier diodes commutate naturally without voltage oscillation and voltage spike
針對傳統（半橋）三電平直流變換器的一些不足，本文提出一種倍流整流方式pwm零電壓開關三電平直流變換器，可以使開關管在全負載范圍內實現零電壓開關，副邊整流二極體無電壓尖峰，無占空比丟失。Especially, linbo _ 3 optical modulators, using m - z waveguides and traveling - wave electrodes, are essential for high - speed and long - haul optical fiber transmission systems since the wavelength chirp is very small and the effect of the fiber dispersion is minimized
採用行波電極的m - z型外調制器調制速率高，波長的啁啾噪聲理論上為零，幾乎不受光纖色散的限制，已成為高速長距離光纖傳輸系統必不可少的器件。Especially, linbo3 optical modulators, using m - z waveguides and traveling - wave electrodes, are essential for high - speed and long - haul optical fiber transmission systems since the wavelength chirp is very small and the effect of the fiber dispersion is minimized
採用行波電極的m - z型外調制器調制速率高，波長的啁啾噪聲理論上為零，幾乎不受光纖色散的限制，已成為高速長距離光纖傳輸系統必不可少的器件。Compare to the operation under the dcm mode, the power switches of the inverter under the ccm mode has lower peak current and rms current, so the efficiency can be improved. as the synchronous rectification strategy can reduce the conduction losses of the rectifier, and also due to the zvs realization of all synchronous rectifiers, the
採用非互補導通控制，在ccm模式下由於功率管電流峰值和有效值的減小，逆變器變換效率較dcm模式下有所提高;另外， ccm模式下，反激逆變器採用同步整流控制，減小了整流二極體的導通壓降，並且電路中同步整流管可實現零電壓開通。In gearcapp, the geometry model of common bevel gear part can be created in pro / engineer according to the information from the module of the information inputting ; then, the process parameters can be calculated or determined based on geometry model and capp functions ; finally, geometry model of forging, tool electrode and mould can be constructed, and the technology documents for production can be created as well
Gearcapp系統按照傘齒輪零件信息輸入模塊中的機械、物理和幾何信息在pro engineer系統中生成傘齒輪零件的cad幾何模型；然後，根據此生成的模型及相應模塊的capp功能，計算或判斷確定相應的工藝參數；最後，根據這些工藝參數系統生成鍛件、電極及凹模的cad模型，並生成工藝參數文件用以指導實際生產。分享友人