secondary efficiency 中文意思是什麼

secondary efficiency 解釋
二次效率
  • secondary : adj 1 第二（位）的，第二次的；中級的 （opp primary）。2 副（的）；從屬的；附屬的；輔助的；補充的...
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  1. Nanometer tio2 has the following properties : safety, innocuity, low - cost and no secondary pollution, and it also has the functions of antibiosis and antisepsis. it is one of the photocatalyst of new pattern and the inorganic antisepsis with the most efficiency

    納米或納米晶tio _ 2具有安全、無毒、成本低、無二次污染，且具有抗菌、消毒功能，它是迄今為止最有效的新型光催化劑和無機抗菌劑之一。
  2. 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
  3. A mdc with a refocusing system is simulated with the help of a 2. 5 - dimensional ( 2. 5 - d ) software, in which the secondary electrons are considered. these jobs offer a guarantee for the improvement of the tube efficiency. the organization of this paper is as follows

    論文的主要內容概括如下:在第一章概述中，首先介紹了行波管及其發展情況，接著介紹了多級降壓收集極和效率問題，分析了提高效率的方法。
  4. 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 。
  5. It is urgent necessity for the icbc to realize intensified operation, efficiency operation and security operation by taking the secondary branch as the main operation unit

    以二級分行為基本經營核算單位是工商銀行實現集約化經營、效益經營和安全性經營的迫切需要。
  6. Effects of different fuel - air ratios and different geometric parameters of dual - stage swirler ( such as inner diameters of the primary swirl and secondary swirl passages, outer diameters of the secondary swirl passages, vane angle of the primary and secondary swirler, the distance of the flare exit from throat etc ) on combustion performances are studied experimentally. the experimental results show that radial profiles of the outlet gas temperature 、 combustion efficiency 、 emissions of co2 、 co and nox and lean blowout are affected with different degrees by the different geometric parameters of dual - stage swirler and the arrangement of primary holes

    在不同油氣比下，不同的雙級旋流器幾何參數（例如:一級與二級旋流器出口內徑d 、葉片安裝角、二級旋流器出口外徑d 、二級旋流器的喉道到出口截面的距離l和喉道前後的圓弧半徑r以及主燃孔孔布局等）對單頭部環形燃燒室的出口溫度分佈、燃燒效率、貧油熄火油氣比以及污染物（ co _ 2 、 co和nox ）排放等燃燒性能的影響規律進行了研究。
  7. 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。
  8. The last one is to increase the security and liquidity of housing financing, and to reduce the risk and improve the efficiency. the secondary mortgage market must be established

    最後，要提高住房資金的安全性和流動性，降低風險、提高效率，還需建立住房抵押二級市場，推行住房抵押證券化。
  9. Energy conservation and and reformation of power plants " heat installation affect a lot on the efficient performance of opertion of power plant. pump and fan take a large proportion in power plant and resume much electric energy. so there is much energy conservation pationlity in them. and we should have strong tools and theories " support to reform them. we can combine the theory modeling and engineering design manufacture by the bussiness software such as fluent. in order to take full advantage of the powerful function of fluent and increase absolutely its conveniece and interaction, we should develop fluent secondly. this paper puts the idea firstly demostricly to substitute the performance test of pump and fan to get the integrative system of the optimization and computer aid design, and so we can increase greatly of the efficiecy and quality of the facility reformation. the main idea about the secondary development of fluent in this paper is based on the secondary development of gambit, the modeling and meshing s oftware of fluent, and simplify the modeling and meshing of gambit. meanwile, the data management base on web browser kind is adopted for the convenience of optimization and parameterization, and the journal files createdly recently can get new medeling and meshing files that can be used by fluent. so the designer can focus on the computer scheme and the result analysis without care the fussy designing and optimiziation. so we can increase greatly the optimization efficiency

    泵與風機在電廠中占較大數量比例，且消耗大量電能，節能潛力巨大，對其改造需要強有力的工具和理論支持，用商用cfd軟體如fluent可實現泵與風機改造中的理論模擬與工程設計製造間的結合。為了充分發揮fluent的強大功能，又能最大程度地提高其方便性與交戶性，應對其進行二次開發。本課題在國內首先提出對fluent進行二次開發，替代泵與風機性能試驗，形成一體化的優化、輔助製造系統，可大大提高設備改造的效率與質量，其主要思想是基於fluent的cad構體軟體gambit進行二次開發，簡化了泵的構體過程，同時，為了優化及參數化方便，採用基於webbrowser的數據管理方式，生成新的記錄文件同時產生新的fluent計算能識別的圖形網格文件，這樣就將設計優化者從繁瑣的圖形設計及優化中解脫出來，專注于對計算方案的確定及計算結果的分析，極大地提高了設計優化的效率。
  10. Results indicate that flow deviation in discharge passage is formed by co - action of pump outflow circulation and secondary flows in outflow curved pipe, hydraulic loss of discharge passage increases and pump assembly efficiency decreases because of flow deviation

    結果表明：水泵出流環量和出水彎管二次流共同作用形成了出水流道偏流，偏流使出水流道水力損失增大，泵裝置效率下降。
  11. By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source

    通過模擬結果與軟開關點焊逆變器試驗結果的對比分析，得到了如下主要結論：採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍，減小了次級占空比丟失，降低了逆變電阻點焊電源的開關損耗；諧振電容是影響軟開關工作狀態的重要因素，其大小不僅影響開關管的零電壓關斷，同時也影響開關管的零電壓開通范圍，因此，諧振電容應該綜合考慮；功率變壓器漏感越大，越容易滿足滯后橋臂的軟開關條件，但是大的漏感也使變壓器的通態損耗增加，降低了軟開關逆變器的效率。
  12. Zl high - efficiency vacuum oil purifier, certificated product of ministry of electricity, is manufactured according to the latest dryness principle and secondary filter technology

    系列高效真空濾油機是電力部定型產品，是本公司根據最新的乾燥原理和精密過濾技術研製生產。
  13. The simulation results show that the power factor and efficiency of lim are much lower than that of rotary induction motor due to end effect and big air gap of lim. end effect force has a great influence on the thrust of lim. the performance of lim can be improved with the proper secondary structure, small air gap, big goodness factor or heavy load

    結果表明:受邊端效應及大氣隙影響，直線感應電機功率因數及效率較低;運行狀態下的邊端效應力對電機推力有較大影響;設計電機時選用合適的次級材料、減小氣隙、增大品質因數、增加負載都可提升電機的輸出性能，通過設計有效的控制演算法可使電機在額定滑差下具有較高的運行效率。
  14. By applying dwt and mallat in wavelet analysis, the oscillation signal of active power on transmission line is decomposed and reconstructed ; the strategy of upfc ' s secondary control based on wavelet is proposed by using the reconstructed active power as input signal. simulation results verify the efficiency of damping subsequent swing quickly under serious power oscillation circumstance that is hard to damp by ordinary upfc controller. the system dynamic stability is apparently enhanced

    針對系統功率波動頻率較高情況下upfc對系統后續擺穩定的控製作用難以得到充分發揮的情況，採用小波分析的mallat塔式演算法對系統功率波動信號進行分解，並基於mallat塔式重構演算法的思想濾除了信號的冗餘擾動成份，尋找到一個高壓縮比、低相對誤差的重構功率信號，從而使其能夠符合upfc實際控制需要。
  15. Approaches adopted to resolve issues of equity and efficiency in primary and secondary school finance in america can be used for reference to resolve similar problems in china

    美國中小學財政中解決教育效率和公平的一些做法，對我國中小學教育財政中相關問題的解決可以提供一定的借鑒。
  16. From the aspect of the relation between equity and efficiency in primary and secondary school finance in america, we found that education efficiency was always an important issue. with the attention on education quality, emphasis on education equity gradually shifted from equal education opportunity to equal education outcome. the method adapted to achieve equal education outcome was to provide more resources to the students in poor background

    從美國中小學教育財政中的公平和效率的關系來說，教育效率一直是美國中小學教育關心的重點，隨著對教育質量的重視，美國中小學財政中教育公平經歷了從機會公平到結果公平的發展，而後者是通過給處境不利的學生以更多的資源的方式來達到的。
  17. Such considerations are secondary to our main aim of improving efficiency

    信心對於我們提高效率來說是第二位的
  18. Adopted vacuum dryness principle, separation project, secondary and tertiary filtration technology and multiple patent technology, zla high - efficiency double - stage vacuum oil purifier is appropriative equipment to purify various types of insulation oils

    系列高效雙級真空濾油機是我公司採用真空乾燥原理，分離工程，精密過濾技術及多項專利技術研製生產。是凈化處理各類絕緣油的專用設備。
  19. Design of secondary wiring is important but time - consuming and laborious. it is usually done by designers under the help of some un - intelligent software such as autocad, which results in long period and low efficiency. therefore, studying methods and developing system of generating secondary wiring automatically becomes significant and valuable

    二次接線設計是一項重要且費時又費力的工作，長期以來都是由設計人員藉助不具備自動化設計功能的輔助設計軟體（如autocad ）完成設計任務，設計周期長、設計效率低。
  20. The effects of a wide variety of parameters such as the velocity, the temperature, the inlet moisture content of the primary and the secondary airflow, the channel width on basic thermodynamic criterion, such as thermal efficiency, exergy efficiency, exergy efficiency ratio, thermodynamics consummation, exergy destruction rate, exergy destruction coefficient, are simulated numerically

    在此基礎上，通過一些基本的熱力學指標，如換熱效率、火用效率、熱力學完善度、火用損率、火用損系數等，對間接蒸發冷卻過程能量以及有用能的利用、損失情況進行了分析和研究。
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