直流電表 的英文怎麼說
中文拼音 [zhíliúdiànbiǎo]
直流電表
英文
direct-current meter- 直 : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 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...
- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 直流 : direct current (dc); constant current; steady current; continuous current; zero frequency curre...
- 電表 : 1 (電氣儀表) any meter for measuring electricity (electric meter; ammeter; voltmeter etc )2 ...
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Doing a measurement with your dmm in the acv position on your dc circuit will give a quick indication of any excess ripple on the supply when you don " t have a scope at hand
用數字萬用表的交流檔在直流電路上進行測量,將在供電端產生一個任意超額紋波的快速指示,如果手頭沒有示波器的話。The dc ammeter will normally be calibrated at full range in each range
直流電流表一般每程均作全量程校正。Requires the filing of a license application whenever an exporter knows that export of any item will be used for unclear, cbw, or missile activities in certain identified destinations, or the exporter is informed by the commerce department that an export presents an unacceptable rist of diversion to, or will be used in, such proliferation actibity
?略物資等輸出規制製品泛用電源該當集積迴路使用。輸出貿易管理令別表12項及通?省令第1條41項直流電源裝置48項行機能有組立品規制該當非該當判定。For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least
直流電沉積時,基質金屬的沉積連續進行,粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附,重新回到溶液中;採用周期換向脈沖時,反向脈沖電流使表面荷正電的較大的粒子更易從電極表面脫附,同時,反向脈沖電流對基質金屬的溶解作用,也會促進粒子的脫附,因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加,三種鍍層的晶粒都明顯細化,說明al _ 2o _ 3的存在阻止了晶粒的長大,提高了電沉積過程中晶核的形成速率。The experiment results indicate that this method is more effective in the brushless direct current motor ' s low speed torque ripple attenuation, and its more effective in improving system dynamic performance
運行結果表明,此方案能有效地抑制無刷直流電動機低速時的轉矩脈動,更好地改善系統的動態性能。Verification regulation of dc kilowatt - hour meter
直流電能表檢定規程Vehicle d. c kilowatt - hour meter
車用直流電度表Space charge properties of frp rod materials are influenced by temperature, field strength and high voltage application duration
結果表明,在高壓直流電場作用下,芯棒材料內部積累的空間電荷的極性和密度受到溫度、電場強度和電場作用時間等因素的影響。The simulation results prove that this control technique can effectively minimize the torque ripple for the bldcm drives whose back - emf waveform crest width is less than 120
模擬結果表明這種控制策略能有效地抑制反電動勢平頂寬度小於120電角的無刷直流電動機的換相轉矩脈動。Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles
對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較,模擬研究和實驗結果表明,當反電動勢的平頂寬度小於107電角時,採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上,更有效地抑制電磁轉矩脈動。Electromechanic d. c. watt - hour meters
電機械式直流電度表Digital electronic d. c. voltmeters and d. c. electronic analogue - to - digital converters
數字電子直流電壓表和直流電子模擬數轉換器The surface modification of foils contributes to the activation of surface before etching, and consequently provides more pit sites. the redemption and regeneration of passive film on foil surface lead to continuous growth of tunnels. anodized in oxide - forming acid, the etched foil shows higher capacitance
侵蝕前鋁箔的表面改性處理研究了堿性、酸性溶液、直流電和低頻交流電對比容的影響,結果表明堿性溶液和酸性溶液處理有利於活化表面、提高比容;直流電和低頻交變電流表面改性需嚴格控制時間在5s內,最佳為2s ,可提高比容8 10 。When the output is direct voltage, the methods of enhancing creeping i ndicator of measuring devices, in electronic watt - hour meter which generate out puts proportionately to electric energy, are discussed
探討了電子式電度表的測量器件(儀表中產生與電能成比例的輸出量的部件)輸出是直流電壓時,提高潛動指標的方法。Abstract : when the output is direct voltage, the methods of enhancing creeping i ndicator of measuring devices, in electronic watt - hour meter which generate out puts proportionately to electric energy, are discussed
文摘:探討了電子式電度表的測量器件(儀表中產生與電能成比例的輸出量的部件)輸出是直流電壓時,提高潛動指標的方法。Specifications for electric integrating meters ; direct - current meters
電度表規范.第3部分:直流電表The research shows that students misunderstand the relation between force and motion. gravity and action / reaction ; that in dc circuit, students of different age groups have the belief of " consumption of current ", " clashing currents " and " the battery as a constant current generator " ; that in understanding the concepts of electricity students lack th e knowledge of relating the micro with the macro ; and that students have serious difficulties in understanding the propagation of mechanics wave, the speed of wave and superposition, and do not make a distinction between the initial conditions and the medium properties of the system
具體表現在:學生對力和運動的關系、重力和平衡、作用力與反作用力存在一些誤解;對直流電路,不同年齡的學生不同程度地存在電流消耗、碰撞電流、恆定電流源等觀念,而且對電學概念的理解缺乏宏觀與微觀的聯系;學生在機械波的傳播、波速、波的疊加上存在嚴重的困難,對于機械波的傳播學生不能區分初始條件和媒質特性,並錯誤地將動力學某些觀念與機械波進行類比。Fixed capacitors for use in electronic equipment - sectional specification : fixed metallized polyphenylene sulfide film dielectric surface mount d. c. capacitors
電氣設備用固定電容器.分規范:固定金屬化聚苯撐硫化膜鍍層表面固定直流電容器Fixed capacitors for use in electronic equipment - blank detail specification : fixed metallized polyphenylene sulfide film dielectric surface mount d. c. capacitors - assessment level ez
電氣設備用固定電容器.空白詳細規范:固定金屬化聚苯撐硫化膜鍍層表面固定直流電容器.評定級ezGeneral model c38 dc meters are portable taut - band suspended moving coil instruments with light - spot indication. the meters have the feature of extremely high in sensitity and small in consumpition being particularly suitable to be used for measuring weak electric quantity on dc circututs, also for testing the static paramenters of transistors as well for measuring the output of millivolt values of zhermocouple in the vacuun furnaces ( or hydrogen furnaces )
C38型直流電表是磁電系張絲支承光點指示可攜式電表儀表具有極高的靈敏度,功耗小,特別適合弱電量直流電路測量及晶體管靜態參數測試用以及用做真空爐(或氧氣爐)中測量熱電偶的輸出毫伏值分享友人