time current method 中文意思是什麼

time current method 解釋
時延與電流有關的啟動法
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • 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。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The current test method of heavy metals in edible alcohol is adopted colorimetric method using hydrogen sulphide saturated solution as colorific agent, this method is toxic, disagreeable odour, contaminated, overlaborated and time expended

    摘要食用酒精重金屬檢驗方法目前是採用飽和硫化氫溶液作顯色劑的比色測定法，該法毒性大、氣味難聞、污染嚴重、繁瑣、耗時。
  2. 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。
  3. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    結合國際慣例，文章考慮了股票的凈值市價比（ b p ） ，市盈率倒數（ e p ） ，流通規模（ size ） ，流通比例（ stru ）和財務杠桿（ levge ）等五個財務指標，應用描述性統計檢驗和橫截面統計檢驗等多種方法，結果表明，除系數以外，凈值市價比（ b p ）和流通規模（ size ）對證券收益率部有重要的影響。在論文的第三章，提出了一個基於多因素的風險因子模型，並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數（類似於單指數模型中的系數） ，據此，即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。
  4. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此，對該站進行了串聯諧振分析和並聯諧振分析，並結合測試數據和有關變電站的運行記錄，指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次諧波電流含量偏高，引起湯7c放電pt爆炸也是因為7次和9次諧波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因，提出了相應的諧波治理措施，包括針對湯6c電容器5次諧波電流含量偏高的原因，提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器（湯sc其餘部分停運）以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被放大的現象，提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。
  5. The main conclusions with innovative features acquired from the present work are as follows : ( 1 ) soft solution processing technique for preparing functional thin films was put forward and applied to preparing advanced inorganic functional thin films ; a series of molybdate and tungstate films with scheelite - type were prepared directly on metal substrates ( molybdenum and tungsten foils ) by using constant current electrochemical technique at room temperature ; a series of titanate thin films with perovskite - type were synthesized directly on titanium flakes by hydrothermal method in our country for the first time

    通過上述研究工作，得到了如下具有創新性研究成果： （ 1 ）首次在國內提出和運用軟溶液制備工藝技術進行無機功能薄膜材料的制備研究；首次在國內採用室溫恆電流電化學技術直接在金屬基底（鉬片和鎢四川大學博士學位論文片）制備了白鎢礦結構的鋁酸鹽、鎢酸鹽薄膜;首次在國內採用水熱合成技術在欽金屬片上直接沛叮備了鈣欽礦結構的欽酸鹽薄膜。
  6. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的曲線擬合模塊，對輸入的實驗數據進行了最小二乘法的曲線擬合；根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗，並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比，能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時，採用當前比較先進的web技術，實現了基於jsp的磁致伸縮換能器web電氣模擬系統，該系統具有良好的人機界面和資源共享、信息發布功能。
  7. Pulse electric current heat treatment ( pecht ) developed by sodick, ltd., of japan, is a recently developed material processing method which consists of spark plasma sintering and welding, plasma activated sintering and welding, big pulse electric current ( bpec ) diffusion welding etc. the following are basic merits of pecht : rapid heating and cooling ; short sintering or welding time ; lowering sintering or welding temperature

    脈沖電流熱加工（ pulseelectriccurrentheattreatment ，比如燒結，焊接等）是九十年代發展起來的一種材料快速制備新技術，它包括放電等離子燒結與焊接、等離子活化燒結與焊接、脈沖大電流擴散焊接等。它具有升溫、降溫速度快、能在較低的溫度下燒結或焊接以及時間短的特點。
  8. In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study

    在本文第二章討論了當系統從空閑進入忙期時是服務臺以速度1進行服務，但一旦對某顧客服務完畢時如發現系統中的顧客數超過n值時就以速度2服務后續顧客直到系統變空的可修排隊系統，通過構造各種向量馬氏過程和吸收向量馬氏過程，獲得了瞬態、穩態隊長分佈、等待時間分佈、逗留時間分佈、更新周期分佈等一系列排隊指標以及可用度、可靠度等一些可靠性指標，在本章最後又從系統如何更好節省費用角度出發討論了門限n的最優取值問題，並利用mathematic軟體對費用函數進行了數值模擬。
  9. Numerical analysis of the electromagnetic field caused by the eddy - current transducer the dissertation calculates the field caused by the solenoid coil with a finite - length ferrite core carrying time - harmonic current by the finite element method

    二、渦流傳感器電磁場數值分析本文採用有限元數值分析方法計算了含有有限長磁芯的放置式線圈的屯磁場。
  10. By using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache

    通過采樣電火花加工放電間隙的電壓、電流信號和檢測電壓幅值上的高頻信號的強弱，得出反映間隙放電狀態的各種時間脈沖，利用計數器分別對其計數，再送給單片機運算處理，輸出控制環節所需的各種放電狀態時間百分數。
  11. Abstract : by using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache

    文摘:通過采樣電火花加工放電間隙的電壓、電流信號和檢測電壓幅值上的高頻信號的強弱，得出反映間隙放電狀態的各種時間脈沖，利用計數器分別對其計數，再送給單片機運算處理，輸出控制環節所需的各種放電狀態時間百分數。
  12. For the uf progress, the service pressure control below 0. 12mpa is quite reasonable. the best water flushing method is direction flushes - the recoil flushes - suitable flushes. the best flush time is 60 - 80s ; the best recoil washes current is about 2 - 2. 5 times of the produce water current

    2 .在超濾工藝中，操作壓力控制在0 . 12mpa以下比較合理;最佳水力沖洗方式為順沖-反沖-順沖;最佳的反沖洗時間為60 - 80s ，最佳的反沖洗流量為產水流量的2 - 2 . 5倍。
  13. A fault current limiter using permanent magnets has been designed and its performance simulated using a twodimensional time - stepping finite - element method incorporating a model of hysteresis for hard magnetic materials

    摘要按永久磁鐵設計製成的故障電流限制器，性能是靠含有硬磁材料的磁滯模型的2維時間分級有限元件方法獲得的。
  14. Based on the analysis and research of current development of geographical network analysis, we summarize the limitation o f current research, and put forward making a geographical network analysis component with component technology, this method realizes geographical network analysis arithmetic and its values, improve the reuse of arithmetic. this method remedy mapx, mo etc gis component ' s geographical network analysis functipn, it also can resolve requirements for short path analysis, locating and servering analysis, material flowing analysis and connectivity analysis, at the same time this method is a beneficial reference for other gis component " design and realization. after mastered correlative theories and arithmetics, using com technology, we realize a geographical network analysis component, and apply it in system for flood material dispatch. the main content and work can be summarized as flows : 1. based on graph network model, we analysis and sum up geographical network analysis model and arithmetic, discuss the most important arithmetic - dijkstra arithmetic and improve it

    通過該思路不僅使研究成果得以應用，體現其價值，也提高了演算法的重用性；開發出來的地理網路分析控制項彌補了當前mapx 、 mo等基礎gis組件的地理網路分析功能，利用該控制項也能解決現實中對路徑分析、選址服務分析、物流分析、連通性分析等地理網路分析的迫切需求，同時該思路對gis組件設計開發也是一個有益的參考。本文在掌握相關理論和演算法基礎上，利用com技術實現了地理網路分析控制項，並在防汛物資調度系統中進行應用。本文主要內容和工作如下： 1 、以圖論中的網路模型為參考，分析總結了幾類基本的地理網路分析模型及演算法，對其中的核心演算法? ? dijkstra演算法進行了分析探討，並對該演算法進行了改進。
  15. By studying traditional instantaneous power theory in single - phase circuit, we developed a real - time detecting method in this paper based on digital technology, which can detect harmonic current and fundamental reactive current in both single - phase and three - phase circuits

    本文通過對于單相電路瞬時功率理論的分析研究，提出了一種基於數字技術的單相和三相電路諧波和無功電流的實時檢測方法。
  16. Most of the traditional real - time detecting method for harmonic current is based on sinusoidal voltage or locking the voltage phase accurately, which deviating from the real circumstances

    由於傳統的諧波電流實時檢測方法大都是基於正弦的電壓系統或對于電壓波形達到精確鎖相的前提，而現實情況卻往往不是如此。
  17. Based on the statistic materials of ports and shipping lines and the advice of specialists, this article analyzed the development course and status of passenger ocean transport on china - korea course, generalized the current problems. taking the port of weihai, qingdao and renchuan for example, using time series method, the author forecasted the volume of passenger on china - korea course in the next 10 years, analyzed the supply capacity and structure of passenger transport fleet, studied the constitute of the fleet, and made balance program for the passenger transport capacity on china - korea course, put forward tariff policy and competition mode of shipping companies

    本文在調查收集港航各方面的統計資料，聽取有關專家的意見的基礎上，分析了中韓航線海上客運的發展歷程和現狀，總結了現在存在的問題；運用時間序列預測法，選取威海、青島和仁川為例，對山東半島至韓國間的客滾運輸航線的客、貨運輸進行了今後10年該航線的客流量預測；分析了客運船隊運力供給及其結構，研究了當前船隊構成存在的問題，作出了中韓航線客運運力的平衡規劃；提出航運公司的運價策略，運輸競爭模式。
  18. The research for the real - time detection method of single - phase circuit harmonic current based on dft

    基於離散傅立葉變換的單相電路諧波電流實時檢測方法的研究
  19. However, the current method of estimating and controlling speed has one or more of these serious disadvantage : complicate structure, difficulty to realize or high dependency of the parameter of motor which will result in the inaccuracy if the motor runs for a long time

    但是，目前所用的速度估算方法和控制方法，要麼結構復雜，實現困難，要麼過多的依賴電機的參數，對電機長時間運行的準確性造成不利影響。
  20. In this paper, the real - time detecting method for harmonic current need only that the constructed voltage system be in step with the real voltage system ( which can be obtained by cross - zero detection to voltage waveform ), meanwhile, we have testified in concerned chapter that the phase is not important for the constructed voltage system

    本文所提出的諧波電流實時檢測方法，其前提只是要求構造系統與原有電壓系統同步（這可以通過對電壓波形的過零檢測來實現） ，而對于構造系統的相位卻沒有嚴格的要求，本文並在相應位置給予了其證明。
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