電時計 的英文怎麼說
中文拼音 [diànshíjì]
電時計
英文
electrochronograph-
You are asked to construct an ammeter to measure a current of 2 a at full scale deflection.
要你裝配一隻滿標度時測量2安的電流計。Win2000 bed lift is of personalized design, ultra - stable operation, to offer quietness and comfortableness to the greatest extent to patients with warm colors. it is provided with variable voltage variable frequency device, to produce the best operating curve in accordance with the physiological requirements of human body, to show make the safe, comfort, stable and excellent perfomance in the whole process during the operation of the lift from start, acceleration, deceleration to stop. optional cut - off emergency leveling device may be equiooed at the demand of user to ensure that the passengers inside the lift can be rescued in case of power cut - off accident
Win2000系列病床電梯以人性化的設計,超平穩的運行,給予病患者最大程度的安靜舒適增添溫馨的色彩。採用先進vvvf調頻調壓調速裝置,按人體生理要求由電梯優化產生最佳的運行曲線,使電梯的起動加速減速停止過程處處體現安全舒適平穩的卓越性能。根據用戶要求可選裝停電應急平穩裝置,確保以外停電時,被困電梯內的乘客能及時獲得解困。Chronometer ; wrist chronometer with piezo - electric oscillating system, designation, requirements, testing
精密記時計.第2部分:帶有壓電振蕩系統的手錶式精確記Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically
考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power
實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨,本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制,文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。Electricity meters - specification for single - phase coin operated prepayment flat rate and two - part tariff watt - hour meters of class 2 and fixed charge collectors of class 2
電度表.第2部分:單相投幣控制預付式按時計價的2級二部式電費率電度表和2級固定費用收受器Such as harmonic distorted in front analog circuit, sample clock shaking, analog power and the noise in ground plane etc. some suggestion of circuit design is given to improve high - speed a / d circuit performance
在高速模數轉換電路的應用設計中地電源供電設計、模數地平面設計、采樣時鐘設計等方面提出一些具有指導性的意見。Accurately time yourself solving your rubik ' s cube puzzles with this new electronic timer designed specifically for rubik ' s cube puzzles
使用這個專門設計用於快速還原魔方的新品電子計時器,你可以更準確的測量自己還原魔方的時間。Two kinds of new on - line monitoring methods, which are based on measuring primary, secondary currents and voltages to calculate the short - circuit reactances of windings for detecting the deformation windings of power transformer, are proposed in the paper. the methods used for on - line measuring the short - circuit reactances of traction transformer in electric railways, are designed
本文提出了兩種在線監測變壓器繞組變形的方法,通過在線監測變壓器繞組原、次邊的電壓和電流量,實時計算變壓器繞組的短路電抗來判斷變壓器繞組變形情況,並對電氣化鐵路主要接線型式的牽引變壓器繞組變形的在線監測方案進行了設計。Per 1 m2 of protected soil at the price for heat in the districts of the republic of buryatia ranging from 703 to 2843, 5 rur gcal and 1000 - 1512 rur m2 with the electrical heating at the price 0, 07 kwh - recoupment period - 4 - 5 years. heat energy cost, rur m2 - 150 compared to traditional energy supplier - 550, solar green house - analogue - 270
使用該技術,每建築一平方米的太陽能溫室,一年的經濟效益可以達到2000俄羅斯盧布按照俄羅斯聯邦布爾雅特共和國的熱價703 - 2843 . 5盧布gcal , 1000 - 1512盧布平方米,電熱價0 . 07美元千瓦時計算。The development of a visual short circuit software under ptcad2000 is presented in this paper, as well as the system structure, the definition of the data structure, the interface to ptcad2000, the conversion of the original wiring diagram of power network to calculable power network, the implement of three sequence network, the implement of impendence matrix and admittance matrix of power network considering the zero sequence mutual inductances among lines, and the implement of short circuit calculation by using computer
本文介紹了在ptcad2000平臺下短路電流可視化計算軟體的開發。介紹了軟體的系統結構、數據結構定義、與ptcad2000平臺的介面、電力系統原始接線圖轉成等值可計算網路、序網的生成、考慮零序互感線路阻抗時電網導納矩陣和阻抗矩陣的生成,以及故障點短路電流計算的計算機實現。And a intelligent battery management system with full functions has been designed, which improved the management of charge and the estimation of residual capacity. the paper changed the current value of constant current charge - state, which current seems not constant during the working time, based on the three mice laws about battery charge. this change would increase the speed of charge, without harm to the battery
同時本論文還設計了一套功能齊備的蓄電池智能管理系統,針對蓄電池管理中的充電管理和剩餘時間預測進行了改進,提出:在恆流充電時,根據麥斯三大定律,改變恆流充電時的恆流值,使恆流充電「不恆流」 ,而是根據放電的不同情況進行充電,充分提高充電速度,同時又不損傷電池活性物質;不再進行剩餘容量預測,而是進行剩餘時間預測,提供更加切實可行的信息,並且提出了一種簡單易行的剩餘時間預測的方法,給出了預測實驗的結果。At present most methods employ digital computations and certain correction techniques that minimize instrumental errors.
目前大多數方法是採用電子計算機,同時配合一定的校正技術,以減少儀器誤差。In 1912 in stockholm, the first electric timing devices and public address system was used at the olympics
1912年斯德哥爾摩奧運會上,電子計時設備和公共報道系統第一次在奧運會上使用。1. this product is a new kind machinery induction - type electrical energy appliance. it adopts high coercive force aluminium nickl cobat material to make the special structure magnetic - hanged magnetic - propelled bearing. when it is electrified to operate, interrepulsion is produced between the bearing and the anxle so that it is electrified to operate. interrepulsion is produced between the bearing and the anxle so that it is suspend station. the friction loss is very small. it not only reduces energy exhaustion by a wide mardin, but also prolongs lifetime to 20 years and above
1 dd951型長壽命單相電度表是金雀儀表有限公司新開發的高可靠性民用電度表,本產品系一代機械感應式電能計量器具。採用高矯頑磁力鋁鎳鈷材料制面的特殊結構磁懸磁推軸承,能電動物時軸承與軸之間產生相互斥力合其和處于懸浮狀,運轉磨擦損耗極小,不但便能耗在幅下降,而且壽命可能性延長到二十年以上。The analysis results show that : the frequency characteristic curve assumes the downtrend, so the electrical energy measurement of the induction meter will produce biggish error when the content of the harmonic is big, no matter taking the whole energy as measurement standard or basic wave energy
研究分析結果表明:感應式電能表的誤差頻率特性曲線呈迅速下降趨勢,因此在電能計量中,不管是以全能量為計量標準還是以基波能量為計量標準,當諧波含量較大時對感應式電能表的電能計量將會產生較大的影響。Compared with the induction meter, the electronic meter ' s measurement error is affected diminutively by the change of the frequency, that is to say, the electronic meter has a wide frequency respond characteristic and its error - frequency characteristic curve is flat. therefore, taking the whole energy as measurement standard, the measurement error of electronic meter is less than that of induction meter very much ; while the measurement error of electronic meter is bigger than that of induction meter when taking the basic energy as measurement standard
和感應式電能表相比,電子式電能表的計量誤差受頻率變化影響較小,具有較寬的頻率響應,誤差頻率特性曲線較為平坦,因此,在諧波存在下以全能量為計量標準時,電子式電能表的計量誤差遠遠小於感應式電能表的電能計量誤差,而以基波能量為計量標準時,電子式電能表的計量誤差比感應式電能表的計量誤差大。Motor type watthour meter
電動機型瓦時計Of them, great current capacity high accuracy pump test panel project has carried on tender on the internet, finally passed through the quality synthetic evaluation, and determined to be constructed and exploited by province mechanical and electrical design institute unit. after the project completed, it could expand the new product productivity, and substitute the import product
其中大流量高精度泵測試臺項目進行了網上招標,最後經綜合評價,確定同省機電設計院聯合開發建設,項目建成后,能擴大新產品生產能力,並能替代進口產品,提高企業經濟效益是十分必要的,同時對提高我國泵類製造水平勞動地區,同行業發展也是有現實意義的。In addition, the application of the present model to the " design of new sediment sluice at the taohe mouth in the liujiaxia reservoir " supports the experimental results conducted by the department of sediment research, iwhr
在運用此模型對尚在立項中的「劉家峽水庫增建洮河口排沙洞方案」進行計算時,計算結果支持了中國水利水電科學研究院泥沙研究所的動床物理模型試驗結果。分享友人