通路電阻 的英文怎麼說

中文拼音 [tōngdiàn]
通路電阻 英文
via resistance
  • : 通量詞(用於動作)
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 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...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • 通路 : thoroughfare; highway; highroad; route; viae; lead; outlet; approach; passage; gangway; access; c...
  • 電阻 : (物質阻礙電流通過的性質) resistance; electric resistance (電路中兩點間在一定壓力下決定電流強度...
  1. 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

    實現蓄池恆流放過程智能控制是蓄池放裝置發展的必然趨,本文提出了一種過三極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池恆流放的方法。為達到對ipm的驅動保護和放過程的智能控制,文中設計了igbt門極驅動脈沖pwm信號形成和ipm故障封鎖保護及由單片機80c196為核心的微機控制器。本裝置能夠對蓄池進行0 150a放流及放時間的精確控制及釋放容量的計算。
  2. According to the topology of the substation and resistance measurements of down - leaders, the erosion diagnosis equation is built and the resistance variations of grounding grid branches are solved, and the erosion of grounding grid could be found through the fuzzy diagnosis regulation

    利用接地網拓撲結構圖及接地網引下線間的測量值,建立腐蝕診斷方程,過求解診斷方程,計算出接地網支值變化量,採用模糊診斷方法判斷出接地網導體腐蝕的情況。
  3. Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops

    為了方便、有效地測定植物的蒸散,為水分利用研究提供價廉物美、簡單易用的儀器,本研究利用國產的集成應變式稱重傳感器,採用at89c52單片機作為控制單元,結合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列信等外圍介面,研製了小型自動稱重式蒸散儀。
  4. One way of explaining this is that pins configured as input make extremely small demands on the circuit that they are sampling, say equivalent to a series resistor of 100 megohms in front of the pin

    我們可以這樣來理解,在取樣時,只需要在過非常小的量,就好比在該介面前放置了100歐姆的
  5. First, passive resistance network was selected as direct current biasing network, which offered direct voltage for base through the resistance voltage divider composed of two resistances, among them the upper resistance connected from the dc to base, the lower resistance connected from the base to ground. the collector connected with dc directly

    直流偏置網採用無源過由兩個組成的分壓器為基極提供直流壓,上偏源串聯到基極,下偏從基極到地,集極直接加
  6. Channel rejector circuit

    道帶
  7. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    過理論和試驗探討,選用鎳鉻合金絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱偶( k )作為測溫元件;熱偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大等硬體;採用升溫曲線來控制爐膛供熱過程;採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法,進行圖形處理。
  8. Recording units for resistance thermometers are mostly based upon the wheatstone bridge circuit.

    溫度計的記錄設備基本上是根據惠斯橋的
  9. In this dissertation, we firstly prove that any dirichlet problem is indeed equal to a voltages problem of networks. we give five solutions to dirichlet problem in two dimensions ; among these five solutions, we prove that the iteration solution and the solution of relaxations are exponential convergence, then we estimate their respective convergence rates ; secondly, we discuss random walks on general networks, prove that there is an one to one correspondence between networks and reversible ergodic markov chains ; thirdly, we give probabilistic interpretation of voltages for general networks : when a unit voltage is applied between a and b, making va = 1 and vb = 0, the voltage vx at any point x represents the probability that a walker starting from x will return to a before reaching b ; furthermore, we study the relationship between effective resistance and escape probability : starting at a, the probability that the walk reaches b before returning to a is the ratio of the effective conductance and the total conductance

    本文證明了任何邊值的dirichlet問題都可轉化為求解壓的問題:給出了計算平面格點上dirichlet問題的5種方法:證明了迭代法和松馳法都是指數收斂的,並分別給出收斂速度的估計;討論了一般上的隨機徘徊,驗證了與可逆的遍歷markov鏈是一一對應的;給出了壓的概率解釋:當把1伏壓加於a , b兩端,使得v _ a = 1 , v _ b = 0時,則x點的壓v _ x表示對應的markov鏈中,從x出發,到達b之前到達a的概率;進一步地,給出了逃離概率與有效之間的關系:從a出發,在到達b之前到達a的概率為有效傳導率與過a的總傳導率之比。
  10. The macro model of drift region resistance was established based on the solution of poisson ’ s equations and continuity equations. by the combination of spice mos ( level = 3 ) and the macro model, the complete dddmos model was then obtained, which accords well with simulated data. by simulating and comparing different devices of different process parameters, the model is applicable for different bias regions and can be useful in the power integrated circuit research in future

    首先介紹了器件建模的基本原理及相關模擬技術,然後利用工藝模擬軟體生成器件基本結構,並對其基本特性進行了分析;分析了業內和學術界比較用的高壓器件建模的方法,隨后在模擬實驗的基礎上著重分析了dddmos的物理特性,在求解泊松方程、連續性方程等基本方程的基礎上,建立有物理意義的漂移區的宏模型;隨后結合spicemos ( level = 3 )模型而得到完整的dddmos模型,此模型與模擬數據符合得比較好,過對不同工藝參數的器件進行模擬比較,該模型能夠覆蓋不同的工作偏壓范圍,具有較明確的物理意義,對今後的功率集成的研發有一定的參考意義。
  11. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的流差動保護無論對於何種形式的輸都是一種簡單、可靠、選擇性強的保護形式,力系統的發展使得流差動保護應用於線保護成為需要,而子、信技術的發展使得流差動保護應用於輸成為可能。首先,本文對目前線保護的研究和實際應用情況進行了討論和分析,比較了常用線縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量流差動保護易受正常負荷流和故障過渡影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值流差動保護在可靠性、靈敏度、抗流互感器飽和方面明顯優于常規相量流差動保護,對流差動保護各端的同步采樣方法和數據信也進行了分析和評價。
  12. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供可靠性的高低、人身安全、訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以纜為主的城區10kv網中性點接地方式的選擇問題進行研究。論文首先對10kv網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變站10kv網的實際參數來建立數值計算模型,在考慮了網接地流變化、中性點取值大小、接地點接地值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小接地方式下網的過壓水平和接地點短流大小進行了數值計算,其計算結果與科院所作現場試驗進行了比較。
  13. In order to enhance the precision, this design proposes that temperature - measuring circuit of platinum resistors and software should be employed to carry on adjustment of measured precision ; it also proposes that the interference of the grid can be reduced by the voltage front feed ; and meanwhile it calls for the application of the photoelectric insulation, the over heating protection and alarm so as to enhance the security performance of the system

    為了提高精度,本設計還採用了鉑溫度測量,並利用軟體對測量精度進行自校準;壓前饋控制減少網干擾。此外,設計中還加入了光隔離措施及過熱自動保護和報警功能,以增強系統的安全性能。
  14. The study shows that the output pulse value of resistance absorption equipment is related to the chopper switch conduction ration and the selection of lagging angle

    研究表明,地面吸收裝置的輸出流脈動與斬波器的導比、各支斬波器的開關滯后角有關。
  15. Lightning normally strikes at the highest point of an object and the electric current is conducted to the ground via the least resistant path

    5 . 5雷殛雷常會擊中最高的物體尖端,然後沿著最小的線傳到地上。
  16. This paper gives a method to measure the conductivity base on choosing frequency. after adding to the electrode with two ac square waves of appropriate frequencies, we can measure the output dc voltage of the circuit

    本論文提出了一種選頻導率測量方法,選擇兩個合適頻率的交流方波施加於極,測出輸出直流壓,過解方程組求出時間常數,然後求得溶液,進而得到溶液導率。
  17. The main products include : aluminum - cored and copper - cored polyvinyl chloride insolating wires, protecting wires, rubber wires, alumina gel wires, steel - cored alumina gel wires, prefabricated cables, power cables, controlling cables, cross sky cables, communication cables, signal cables, burn - preventing wires and cables, computer internet wires, vehicle - used low pressure cables and wires. television cables etc. all the products are being produced according to the national standard and ministry. all the cables series have gained the national producing license for industrial products, and the other products have obtained national mandatory 3c authentication

    公司專業生產各種「寶炬」牌纜,主要產品有:鋁芯銅芯聚氯乙烯絕緣線護套線膠質線鋁絞線鋼芯鋁交線預制分支纜控制纜交聯架空纜交聯塑力纜信號腦網線公車輛用低壓纜等,各類產品均按有關的國際部際進行生產,纜系列均獲得全國工業產品生產許可證,其它主導產品亦獲國家強制性3c認證。
  18. Funny how lewd, crude, vulgar and obscene articles pass freely through cyberspace, but public discussion of god is suppressed in the school and workplace

    實在好笑。猥褻的、粗俗的、不雅的、和淫穢的文章透過礙地流傳;而學校和工作場合卻禁止人公開討論上帝。
  19. Compared with the similar research results, the weighted control ic here has the following characteristics : ( 1 ) the circuit structure is simpler ; ( 2 ) the chip ' s fabrication is compatible with standard cmos process ; ( 3 ) n - mosfets with high w / l ratio and short channels are used for weighting and output to reduce the insertion loss ; ( 4 ) the weighting factor varies in a relatively wide range with the controlling signals ; ( 5 ) input and output impedance approach 50 in low frequency ( e. g. 50mhz ), while in higher frequency they slightly deviate from 50, hence the energy reflection lower than 0. 1 ; ( 6 ) it completes the functions of sampling, weighting, controlling and summing of high frequency analog signals

    它的加權控制與已報道的相關相比具有如下特點:結構簡單;製造工藝與普cmos工藝兼容:短溝道,高寬長比的nmos晶體管具有低的,將其作為加權、輸出器件可降低由引起的插入損耗;改變加權信號,可實現權值在較大范圍內的連續變化;輸入、輸出抗在低頻(如50mhz )下接近50 ,而在高頻下略有偏離50 ,但反射系數均低於0 . 1 ;實現了對高頻信號的取樣、加權、控制、疊加功能的迭加。
  20. General specifications for measuring resistance equipments part 4 : loop resistance measurement testor

    測量裝置用技術條件.第4部分:迴測試儀
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