protection current 中文意思是什麼

protection current 解釋
保護電流
  • protection : n 1 保護，保衛，防禦，掩護，包庇，照顧 （from; against）。2 保護者，防護物 （against）; 〈美俚〉...
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  1. Verification indicated that the car - barrier crash simulation models developed in this paper present high accuracy and stability finally, on the basis of summarizing dynamics of car and occupant and protection behavior of barriers in car - highway barrier crash, many problems and solutions confronted in the current research were presented, and the prospect and objectives of further work were also given

    驗證表明本研究中所建立的模擬模型具有較高的精確度和可靠性。最後，本文在總結了轎車與高速公路護欄碰撞中轎車和乘員動態特性及護欄防護特性的基礎上，提出了當前研究所遇到的若干問題和解決方案，並展望了進一步的研究目標。
  2. Cling to the promotion application case that fan xiangping of director of bureau of city environmental protection introduced exploration of my city oil to develop contaminant to discharge the current situation and contaminative prevention and cure to manage new technology in detail to inspection team

    巴州環保局局長范湘平向檢查組具體介紹了我州石油勘探開發污染物排放現狀及污染防治治理新技術的推廣應用情況。
  3. The fast discrimination between magnetizing in - rush current and fault current is a difficulty in transformer protection presently. to solve this problem, second harmonies restraint and dead angle are used widely in practical application

    勵磁涌流的快速鑒別仍然是當前變壓器保護面臨的一個難點，在實際應用中廣泛採用二次諧波制動原理和間斷角原理來鑒別勵磁涌流。
  4. This scheme firstly determined the operating mode of coded video stream in nal layer according to the current channel state before they were packed. the coded video stream operated under ssm in error - free channel so as to reduce the packing tradeoff and increase the coding efficiency. while in error - prone channel, they operated under dpm combined with improved unequal error protection ( uep ) scheme based on human eyes characteristic in order to elevate their robustness to channel error

    該方案中編碼視頻信息在進行打包封裝前，首先根據當前通道狀態信息自適應地確定其在nal層中的工作模式，在無丟包通道中採用單數據片模式以降低編碼視頻流的打包開銷，提高編碼效率；而在丟包通道中採用數據分區模式以提高編碼視頻流對通道誤碼的魯棒性能，同時基於人眼視覺特性，提出了一種改進的uep策略。
  5. 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。
  6. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕；無鐵芯、不存在磁飽和與鐵磁諧振問題；動態響應范圍大，頻率響應寬；抗電磁干擾性能強；無油化結構、絕緣可靠、價格低等優點；是未來電流互感器發展的方向，是新一代電力數字網發展的需要，適應電力計量和保護數字化、微機化和自動化發展的潮流。
  7. Grosvenor cared a great deal about conservation and the protection of wildlife, and both causes are the subject of many of the current programs and educational materials offered by the society

    葛洛佛納對于保留區的規劃與野生動物的保護也不遺餘力，而這兩個主題也成為全美地理學會現在主要的研究計畫與教育資源材料。
  8. But when fault was occurred, sometimes there would be great loss. for the reason, the paper put forward a microcomputer bus protection scheme suit for mv or lv power system with low current grounding based on the great researching about the working theory of current bus protections and the characteristic of mv or lv system with low current grounding. based on it, the paper has designed the platform of the hardware and the software programs

    針對國內目前中、低壓電網大都未裝設母線保護裝置，發生故障不能及時切除時造成很大損失的狀況，本文在廣泛研究當前主流的母線保護動作原理並認真分析了中、低壓小電流接地系統特點的基礎上，提出了一套適合中、低壓微機母線保護裝置的研製方案，並據此選擇、搭建了硬體平臺，設計了軟體功能程序。
  9. Hemagglutinins inhibition ( hi ) testes showed that there were obvious variations among the isolates from different geographical areas. this result explained why the protection rates of current vaccine were different around the country. dna sequence analysis of h9 hemagglutinin genes showed that these viruses were closely related and possibly came from one source

    且在同一地域內，不同的異變體之間的差異較小，隨著時間的推移，其變異並不明顯；但在不同的區域內分離的毒株之間變異較為突出，這表明中國大陸h9n2亞型禽流感病毒不同分離株抗原性是與地域的改變而發生較為明顯的變異。
  10. But the current rural old - age security institution ( rosi ) is immethodical, and the formal institution is missing, so most peasants can only rely on family support and land protection

    然而我國目前的農村養老保障制度不成體系，正式的養老制度缺失，大多數的農民仍然依靠家庭養老。
  11. Both of the protection use high frequency distance or directional protection as main protection, and use distance protection adding current protection as reserving protection. this dispositon assured relay protection ' s four features : election, sensitivity, instancy and reliability

    每套保護大多以高頻距離、高頻方向保護作為快速切除區內故障的主保護，而以距離保護和零序保護作為后備保護，保證了繼電保護的選擇性、靈敏性、快速性、可靠性。
  12. Practical application guidelines for leakage current protection devices

    泄漏電流保護裝置的實施導則
  13. This paper lists some important factors of influencing safe operation of bow net system, introduces pantograph and anti - scrape bow protection device which is installed on service locomotive, and discusses a new technology of improving pantagraph current quality - self - adaptive bow head system

    摘要列舉了影響弓網系統安全運行的幾項重要因素；介紹在運營機車上試驗安裝的受電弓防刮弓保護裝置，以及因該裝置所產生的提高受流質量的新技術自適應弓頭系統；提出了兩個系統整合的創新點。
  14. Seminar on revision of code of practice, safety at work, residual current devices and lightning protection

    《攜手互勉、技術安全盡顯》電力規例研討會
  15. Electrical accessories - portable residual current devices without integral overcurrent protection for household and similar use

    電器附件.家用及類似用非綜合過電流保護的便攜式殘余電流設備
  16. 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。
  17. Differential protection current transformers dpcts

    壓差保護電流變壓器
  18. The controller uses the tms320f240 of ti company as the main control unit, adopts pi digital adjusting and pwm controlling, produces turn - on and turn - off signal of the igbt, combining with the protection current and voltage

    該控制器以ti公司的tms320f240為主控單元，採用pi數字調節及pwm控制，並結合電流、電壓保護，實現對主功率器件的通斷控制。
  19. From the practical results, the protection potentials and protection current densities meet the design requirements and are in accord with technical standards

    從實際運行的結果看，罐底板的保護電位都達到了設計要求和標準規定，保護電位分佈相當均勻。
  20. In order to design a reliable cathodic protection system for a ballast bank, it is necessary to develop a quantitative model for the shielding effect due to the inner structures on the protection current in a cathodic protection system of a ballast tank through a lot of numerical simulation or practical measure

    需要通過大量的數值模擬計算或實測，得到各種擋板對保護電流的屏蔽效應的定量化模型，以確立新的適合於壓載艙的陰極保護設計的技術體系。
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