constant efficiency 中文意思是什麼

constant efficiency 解釋
不變的效率
  • constant : adj 1 恆定不變的，固定的，穩定的，恆久的；繼續不斷的。2 不屈不撓的，堅韌的。3 忠實的，有節操的。n...
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  1. A white led driver circuit is presented in this paper. the circuit drives up to four white leds with regulated constant current for uniform intensity. by utilizing proprietary adaptive 1x / 1. 5x modes and ultra - low - dropout current regulators, it maintains the highest possible efficiency over the full 1 - cell li + battery input voltage range

    整體電路以恆定電流驅動4隻白光led ，利用1倍/ 1 . 5倍分數型電荷泵和低壓差電流調節器，在整個鋰電池供電電壓范圍內保持最高的效率，並使四個白光led獲得均勻的亮度。
  2. This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective

    本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷，利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法，提出了在液壓系統中加一個定差減壓閥的新思路，較好地解決了液壓伺服系統存在的上述問題。
  3. Presents the energy saving principle of a frequency - controlled pump and points out the applicability of the law of similitude for centrifugal pumps and the conception of constant efficiency curves

    摘要闡述了循環水泵變頻調速的節能原理，提出離心水泵相似定律的適用性和等效率曲線概念。
  4. In pumping fluid with gas, pressure boost can be improved by enhancing the pump rotation speed, thereby improving the performance of the pump to a certain degree ; when the gas content is constant, by increasing the inlet pressure, the pressure boost can be enhanced and the pump efficiency be improved remarkably ; when the gas content is rather high, there will be a problem of matching between the gas pressure and the fluid pressure ; the performance of the multiphase pump can also be improved by means of rational design of buffer vessel and homogenizer

    試驗分析認為，氣液混輸工況下，提高泵轉速可以提高增壓，在一定程度上能改善多相泵的工作性能；含氣率一定時，增加進口壓力，可使多相泵增壓值增大，泵效明顯增加，最大含氣率點后移，但含氣率很高時，存在氣液壓力相匹配問題；改進緩沖罐和均化器的設計，有利於氣液互相夾帶，避免氣囊產生，可改善多相泵的輸送性能。
  5. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下，當裝置穩態功率變化時，冷卻劑平均溫度與蒸汽壓都保持不變，與通常採用的冷卻劑平均溫度恆定運行方案相比，有效地改善了核動力裝置的總體運行性能，特別是在低負荷運行時，可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件，這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  6. However, the result of the simulation, in which all the parameters are kept constant except the primary and secondary inductance, is that 3 % higher conversion efficiency can be achieved in ccm than in dcm

    但對輸出功率和繞組電阻相同時逆變電路模擬結果表明， ccm的效率比dcm提高了三個百分點；試驗結果說明盡管ccm的繞組電阻比dcm的大，變換器效率仍提高了1 . 5 。
  7. In the vscf system, the tip - speed ratio of wind turbine is almost retained at a constant value during a wide range of wind speed, which can improve the efficiency and stabilization of the system. it also can be connected to the grid without any voltaic strike

    交流電機變速恆頻風力發電系統是20世紀70年代中後期以後逐漸發展起來的一種新型發電系統，變速恆頻風力發電技術因其高效性和實用性正受到國內外越來越多的重視。
  8. It firstly analyzes the gasification principle and process of coal in constant pressure moving - bed gas producer and the research on gasification process and control of technical condition proves that it is the most effective way to improve the quality of coal for gasification and quality of hot coal gas, enhance the gasification intensity and gasification efficiency of gas producer

    首先，分析了煤在常壓移動床式煤氣發生爐內的氣化原理和工藝過程。對氣化過程工藝條件控制的研究表明，提高氣化用煤的品質，是改善熱煤氣質量，提高煤氣發生爐的氣化強度和氣化效率的最有效途徑，並對氣化用煤的指標，提出了具體的要求。
  9. Standard test method analytical procedure for determining the efficiency of a production well in a confined aquifer from a constant rate pumping test

    通過一連續比率的泵試驗對限制性含水層內生產井效率測定的標準試驗方法
  10. Thus, objective of this project is to improve the functionality and efficiency, and mitigate the drawbacks of a variable speed generation system or asg ( adjustable speed generator ) in conjunction with a dfig ( double fed induction generator ), which is frequently named as variable - speed / constant frequency ( vscf ) generation system

    本文的研究目的是改進雙饋電機變速發電系統或變速驅動系統的的功能和效率，減輕系統缺陷所帶來的危害。雙饋電機變速發電系統通常又稱為變速恆頻發電系統（ vscf - variablespeedconstantfrequency ） 。
  11. When reacting with acid splitting products neutracid develops always a new active surface, that means constant efficiency. besides neutracid stops through its granulated structure uncontrolled boiling problems

    和酸性物質反應后，除酸劑又會生成一種新的表面活性，意味著長期有效。另外， neutracid的分散體結構可阻止產生共沸現象。
  12. These awards for individuals who have made outstanding contributions to their fields are based on the criteria of commitment to work, compatibility with colleagues, enthusiastic service, creative development of production technology, constant enhancement of work efficiency, excellent professional skills and a thorough commitment to guiding and teaching newcomers

    這兩項全國性的頒獎活動，旨在表揚對各行各業有所貢獻的傑出人士，其參選條件大致包括：敬業樂群熱心服務，致力於研發生產技術提高工作效能，並擁有卓越的專業技術與經驗，能夠指導后進傳授技能。
  13. With the development of computer technology and the constant enhancement of the ability to deal with data, the work efficiency of people gets rapid progress

    隨著計算機技術的發展，數據處理能力的不斷增強，使得人們的工作效率不斷得到加快。
  14. Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile. slender hammer that is equal to wave resistance of the pile can bring ideal stress waveform. when the hammer weight is constant, efficiency of driving pile can be increased by means of selecting drive cap and cushion pad of different rigidity to match the hammer according to various geological condition and the pile. the structure and principium of hydraulic system of double - acting hydraulic pile hammer with double cylinders is studied in detail in the paper, the hydraulic system and electric control system of six - ton - double - actin hydraulic pile hammer with double cylinder is designed on the basis of it

    本文應用沖擊機械繫統動力學分析打樁過程中錘體與樁撞擊時應力波的產生、傳播以及該波對沉樁過程的影響。認為與樁等波阻的細長狀錘體能夠產生理想的應力波波形；在樁錘重量一定的情況下，可針對不同的地質情況和樁，通過選擇不同剛度的樁帽和樁墊與其匹配來提高打樁效率。本文對雙缸雙作用液壓打樁錘液壓系統的結構和工作原理進行了深入的研究，並在此基礎上設計出六噸雙缸雙作用液壓打樁錘的液壓系統和電控系統。
  15. This program can work out some changes made by the operation of wet compression, such as the maximal mass of water spray, the temperature in the outlet of supercharger, and the consumed energy by the supercharger. in addition, this thesis gives the definition of efficiency of wet compression when the entropy of compressed air keeps constant, and it can be the standard for the study of wet compression

    本文首先對增壓柴油機濕壓縮研究的主要部分? ?壓氣機，建立濕壓縮的數學模型，從理論上分析濕壓縮的最大噴水量，壓氣機出口溫度，壓氣機耗功等變化情況，並給出了等熵濕壓縮的定義，為濕壓縮研究建立了比較標準。
  16. Constrained to technologies, the lead - acid battery mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current, etc. the charging current of these methods cannot match efficiently the acceptance curve of the lead - acid battery proposed by j. a. mas. as a result, some of these methods have a low time efficiency and incompleteness charging. and some of them lead to overcharge and gas - generation, which will result in low - efficiency, time - consuming and prone - to - damage of the charging operation

    鉛酸蓄電池由於受到技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規充電模式，這些方法的充電電流未能有效的遵從馬斯所提出的可接受充電電流曲線，因而有的充電方法時間效率低、充電不完全;有的則存在著過充電和析氣等現象，並導致充電過程的低效，耗時和易損。
  17. The charging of lead - acid battery, the most widely accepted secondary battery, constrained to technological limitation, mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current and etc. those methods may not follow the internal physical and chemical laws within the battery, leading to serious overcharge and gas - generation, and resulting in low - efficiency, time - consumming and prone - to - damage of the charging operation

    二次電池中被最廣泛接受的鉛酸蓄電池由於技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規模式，這些充電方法未能遵從電池內部的物理化學規律，大多存在著嚴重的過充電和析氣等現象，並導致充電過程的低效，耗時和易損。
  18. The combustion - optimizing and automatic control system is being adopted on boiler no. 2 in jiaozuo power plant, successfully realizing the combustion optimizing control of said boiler under constant load and varying load conditions, the on - line combustion debugging test, and the monitoring analysis of operation economic behavior, making the said boiler always to be safe operation with highest efficiency, enhancing averagely the boiler efficiency to more than 0. 5 %, economic benefit being obvious

    摘要焦作電廠2號爐採用燃燒優化與自動控制系統，成功地實現了鍋爐定負荷和變負荷過程的燃燒優化控制、鍋爐在線燃燒調整試驗和運行經濟監測分析，使鍋爐時刻在最高效率下安全運行，鍋爐效率平均提高0 . 5 %以上，經濟效益顯著。
  19. Finally, the paper realize the convenient dialog interface and hydraulic machine ' s test data processing mainly introduces, analyses the multinomial fitting and spling interpolation mathematics models and solves the solution and drawing of constant efficiency value curve and 95 % confining curve in comprehensive specific property curve

    實驗臺的軟體系統實現了友好的人機對話，實驗數據處理部分主要介紹、分析了多項式擬合模型和三次b樣條插值模型，實現了模型轉輪綜合特性曲線中等效率曲線的求解與繪制以及95出力限制線的繪制。
  20. To forcefully advocate and erect socialistic honor and disgrace concept need basing on assembly strengthening and propagating the education, establishing constant long - effect mechanism, motivating the whole social members with the education and restraint, and make it become renewed and continued work, so as to gain the constant efficiency

    摘要大力倡導和樹立社會主義榮辱現，需要在集中強化宣傳教育的基礎上，建立常抓常新的長效機制，用以教育、約束、激勵全體社會成員，使其成為彌久歷新的經常性工作，並取得持久的成效。
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