operating variable 中文意思是什麼

operating variable 解釋
操作變量
  • operating : adj 1 運行的;操作的;工作的。2 關于業務的;營業上的;關于收支的。operating expenses 業務開支;營...
  • variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
  1. 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。
  2. Using the program, the thesis studied the status of the chilled water distribution in the system when operating in the practical conditions, and analyzed the performance of the system when adopting different controlling methods of pumps and the chilled water flow in the ahus ( air handling unit ) during the course of converting the constant chilled water flow system to variable chilled water flow system

    利用所編寫的程序研究了冷水系統實時工況下運行時,冷水系統內水量的實際分佈情況;分析了定水量系統改造為變水量系統時,採用不同的水泵控制方案及末端採用不同的水量控制方法時的系統性能。
  3. The gpss have one output and two inputs which are speed error and its derivative. selecting triangular function as fuzzy variable ' s membership function, mamdani max - min synthetic method as fuzzy inference method and centroid method as denazification method, fuzzy control rules are given according to the control expectation of governor and the experience of operating staff

    這種模糊gpss採用二輸入單輸出結構,以機組轉速誤差及其導數為輸入量,以三角形函數作為模糊量的隸屬函數,根據水電機組穩定控制要求和操作人員的經驗制定控制規則,以mamdani的max - min合成法和重心法分別作為模糊推理方法和清晰化方法。
  4. The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method

    本論文從目前空調工程中使用的變流量水系統入手,研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系,分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時,工況轉換不能滿足系統控制要求的缺陷;比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性,並得出了在一次泵水系統的工況轉換時,採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小,更符合建築物的冷量需求,節能效果較好的結論。
  5. In this paper, systemic theoretic analysis of the relationship of stock structure and operating performance is progressed, based on this, theoretic study and demonstration analysis organic fall together, and the neural networks model that can reflect their relationship total and systemic is established. the input variable of the model can reflect the panorama of stock structure, also, it can embodiment other influence factor of company performance. the evaluation target system that can reflect the operating condition of listed companies completely, impersonality and truly is advanced, at the same time, the best result weights confirm method is brought forward, thereby, the fuzzy integrate evaluations method is improved

    本文對股權結構與經營績效之間的關系作了系統的理論分析,並在此基礎上,將理論研究和實證分析有機地結合起來,建立了一個能全面、系統地反映它們之間關系的神經網路模型:該模型的輸入變量在反映股權結構全貌的同時又體現了公司績效的其它影響因素;提出了可以全面、客觀、真實地反映上市公司經營狀況的評價指標體系,同時提出了最佳結果權重確定法,從而改進了模糊綜合評價方法,並利用改進的模糊綜合評價法求出公司經營績效的綜合量化值作為神經網路的期望輸出;改進了神經網路模型的演算法,使其在樣本數據相對較少的條件下也能很好地在性態上模擬被逼近函數。
  6. First, on the base of the analysis of history cost data, it divides the operating cost into the relative variable cost and the relative fixed cost

    首先,在整理、分析油田歷史成本數據的基礎上,對單井的操作成本重新界定,劃分為相對變動成本和相對固定成本兩大類。
  7. The fuel cells models are presented in chapter 3. based on the balance conditions in fuel cells stack, the dynamic performance is analyzed. the dynamic model is developed with a set of correlation equations of voltage, fuel utilization, current density and other variables involved in the operating course, which are some partial differential equations with variable coefficients

    第三章以熔融碳酸鹽燃料電池為例,以數值分析的方法,根據mcfc電堆發電過程中物質與電量平衡,分析了電堆的內部動態特性,就輸出電壓與燃料氣體利用率和電流密度等相關量建立了由一組變系數偏微分方程和積分方程描述的數學模型。
  8. It is desirable for all related insiders and outsiders to discern all potential risk in advance. this paper, with the adoption of special treatment resulted from abnormal financial position as the indicator of financial distress, the univariate variable analysis and multiple variable analysis as the research approach and some financial ratios as variable, tries to find an optimal financial distress prediction model of chinese manufacturing listed companies based on public accounting data. our finding demonstrate that five general financial ratios and three ratios concerning the cash flow have better predicting ability, the erroneous classification ratio are low. these five general financial ratios are earning per share, return on net assets, return on gross assets, growth rate of net profits, growth rate of net assets ; the three ratios concerning the cash flow are net cash flows from operating activities per share, net re - earnable cash flows / current liability, net cash flows from operating activities / net profit

    研究結果表明,在單變量分析中,每股收益、凈資產收益率、總資產報酬率、凈利潤增長率、凈資產增長率這5個財務比率的錯分率較低、預測能力較強;經營活動凈現金流量與凈利潤之比、每股經營現金流量、可重復賺取的現金凈流量與流動負債之比這三個現金流量財務比率對于預測上市公司財務困境具有有效性;多變量分析中,應用費雪判別分析和典則判別分析得到兩個判別模型,在典則判別分析中,應用兩種方法確定所建模型的最佳分界點,檢測證明應用所得兩個判別模型進行財務困境預測的準確率很高。
  9. Abstract : this paper discussed two mathematical models for the problem of selecting an expansion plan over a planning horizon for an electric utility system. one of which is the model of optimal sequencing of power plants which is solved using lagrangian relaxation. another is the model of operation. the paper explicated concrete application of the lagrangian relaxation method in calculating block diagram for sloving the scheduling model and considered variable operating expense when calculating

    文摘:運用系統工程方法,建立了火電站興建次序優化模型及火電站運行方式模型,採用拉格朗日鬆弛法研究火電站興建次序的優化,並給出了火電站興建次序優化模型的拉朗日鬆弛法計算.在優化計算過程中考慮了可變運行費用問題
  10. The operating principle of the compressed electret micromotor is the variable capacitance. the attenuation time constant of the charges on rotor surface is much longer than the shaping time of electret itself while the rotor is made of electret

    扁平駐極體微電機的工作原理是電容可變原理,電機轉子採用駐極體材料製成,轉子表面電荷的衰減時間常數要比駐極體本身形成的周期長得多。
  11. The model control input information according as output information measure up ( related faction ). matter - element transformation which made contradiction problem convert resolved problem exploit relevant strategy set. it make use of the strategy to solve existence problem in production controlling, thereby operating variable convert measure from fail field

    該模型以控制輸出信息的合格度(關聯度)作為確定控制輸入矯正量的依據,利用物元的可拓性,通過物元變換化矛盾問題為相容問題,從而開拓出有關的策略集,解決生產控制中存在的問題,使被控變量從不合格範圍轉化到合格範圍內。
  12. To improve the transmitting characteristic and decrease the output work has a direct effect on the enhancement of the operating property and life - span of the operating mechanism of vacuum circuit breakes. based on the characteristics of polynomial rule of the cam movement, considering the pressure angle of cam device, an optimization model is established, with the coefficients of polynomial rule of cam movement as the optimizing variable, and the minimum output work of the mechanism as the object function. with the optimization tool box of matlab, the optimization process is conveniently completed and the perfect result of optimization design is obtained

    改善真空斷路器操動機構的傳動運動特性,減小真空斷路器的操作輸出功,對提高真空斷路器的操作使用性能及壽命都具有直接的影響.利用凸輪機構的多項式運動規律的特點,以凸輪多項式運動規律的多項式系數為優化變量,以斷路器操動機構最小的輸出功為目標函數,考慮操動機構合分閘時凸輪機構傳動壓力角的情況,建立了彈簧操動機構中凸輪機構的優化數學模型,並利用matlab語言的優化工具箱方便地實現了優化過程,得到了較理想的優化設計結果
  13. Retrieves the value of an environment variable from the current process or from the windows operating system registry key for the current user or local machine

    從當前進程或者從當前用戶或本地計算機的windows操作系統注冊表項檢索環境變量的值。
  14. In this paper, according to the equation of voltage vector of single - phase motor operating at symmetrical condition, author presents a new voltage - vector pwm method of variable frequency control for single - phase motor. in system, the voltage vector is used as a control parameter

    本文根據單相電動機對稱運行時的合成電壓矢量方程,提出了以合成電壓矢量為控制量的單相電動機電壓矢量式pwm變頻調速控制方法,並進行了計算機模擬及製作了單相變頻器。
  15. After studying the traits and operating characteristic of the repmsm, a speed adjusting scheme combining the in - phase variable - frequency speed adjusting with a speed - closed loop is introduced specially

    本文研究了正弦波永磁同步電動機的特點及其運行特性,確定了以他控式磁通軌跡法變頻調速和轉速閉環調節相結合的調速方案。
  16. The " net cash flow from operating activities / net profit ", a cash flow indicator that is emphasized both at home and abroad, was first time to be treated as one of the variables for corporate performance. the listed companies of manufacturing industry were grouped according to their asset scale and industry property. the empirical study of equity structure and corporate performance were carried out through combining the empirical analysis and theoretical analysis and by using stochastic variable intercept paral data mode and sas software package

    本文以製造業303家上市公司為總樣本,確定了6個股權結構變量、 7個經營績效變量,並在經營績效變量中,首次引入了國內外尤為關注的現金流量指標? ?盈餘現金保障倍數;將製造業各次類上市公司,按資產規模和行業性質進行劃分,採用實證分析與規范分析相結合的方式,運用計量經濟學建模方法? ?隨機影響變截距平行數據法,應用sas統計軟體,對我國上市公司的股權結構與經營績效進行實證研究。
  17. The beam unit is considered as controlled object in this paper, and the fundamental principle of variable frequency, the operating principle and the load feature of the beam unit are expatiated and analyzed in detail

    本論文以游梁式抽油機為被控對象,對變頻調速的基本原理和抽油機的工作原理及負載特性進行了詳細的闡述和分析。
  18. And then, this parallel connection operating optimization reconstruction project is put forward in variable speed pump of circulating water system, finally we found the optimization mathematic model and workout its optimization operation program

    然後又結合某電廠循環水系統優化運行方式的改造,給出循環水系統變速泵並聯運行優化改造方案。通過建立變速泵並聯運行時的優化數學模型,並編制了相應的優化運行程序。
  19. Ensuring purchase teams knowledge of commodities, supplier cost structures ( e. g. variable and fixed costs for labour, mark - up contributions, sub component material costs, logistics, historical costs of products, etc. ) and global cost competitiveness to achieve cost reduction objectives in accordance with standard operating procedures

    確定采購組員了解以下內容:日用品需求,供貨成本架構(如:動變化與固定的勞力,產品子部件成本,物流費,產品以前的成本等等)以及全球成本競爭力以達到與標準運作程序相一致的降低成本的目標。
  20. And also this paper analyzes many important aspects about the design of the variable air volume system, for exam pie the calculation method of cold and volume, the choice of tuyeres, the adjustment operating mode of the fan during summer and winter and proffer form some opinions

    對系統設計中各主要方面諸如負荷計算、風量取值、風口選型以及系統在冬夏運行調節時的風機控制方式,系統運行模式作了一定的探討並提出了自己的見解。
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