最佳工作點 的英文怎麼說

中文拼音 [zuìjiāgōngzuòdiǎn]
最佳工作點 英文
best operating point
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 最佳 : the best; optimum
  1. An initial measurement is carried out and the result shows that the bolometer is still sensitive to the infrared signal even the intensity of the signal source is very weak, if the bolometer is in a proper temperature

    初步的測量表明,在溫度附近,器件對信號具有靈敏的響應。這就為器件的進一步測量和製奠定了基礎,也為熱探測、熱成像等的進行提供了可能。
  2. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件( cpu模擬晶元)表面與環境溫度之差及通風、流速的影響進行了系統的測試,發現充液量與溫差的關系在負荷不變時呈拋物線分佈,其極小值對應的充液量是充液量g 。在充液量為g時,對風速v 、散熱量q進行的研究表明,當風速超過1 . 5m / s后,奔騰晶元在60w發熱條件下晶元溫度小於40 ,能滿足長期正常
  3. A greater focus on best management practices ( bmps ) has emerged in research because of environmental and economic concerns

    由於環境和經濟方面的原因,研究的重放在了管理措施的開發上。
  4. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加熱電源的原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案:在對比幾種功率調節方式的基礎上選擇了不控整流加斬波調壓為直流部分。在這部分里,重研究了一種軟開關buck變換器,通過分析各階段的原理說明了開關器件如何在軟開關狀態;對于逆變器部分,在比較了串、並聯逆變器優缺的基礎上選擇了串聯諧振逆變器,並詳細分析了串聯逆變器的原理,提出了死區的計算方法。
  5. The matrix of time and space for development of hydrogen energy system in china will instruct this work comprehensively, scientifically and objectively ; for beijing case and from all the aspects of energy, environment and economy, the best plan of hydrogen energy system about fuel cell vehicles is : hydrogen is produced by natural gas steam reforming in the central factory, then transported to the refueling stations in the hydrogen tube trailer by the trucks, and filled to the fcb using hydrogen gas

    這一應在燃料電池汽車氫能系統發展時空矩陣的指導下有計劃、有步驟地完成;燃料電池汽車在我國早實現商業化的時間是2008年(奧運會) ,地是北京,車型是燃料電池公共汽車。針對這一案例,綜合考慮燃料電池汽車氫能系統「從井口到車輪」全生命周期的能源利用效率、環境影響和經濟性指標,的方案是:在集中制氫廠採用天然氣蒸汽重整制氫,用汽車將裝有氫氣的高壓氣瓶輸運到氫氣加註站,加註給以氫氣為燃料的燃料電池公共汽車。
  6. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,選擇輕型鏡坯材料;用有限元法對鏡子的變形進行分析、計算,找出變形規律,優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,選擇合理藝技術參數,完成400mm平面鏡輕量化減重孔的加;分析氫氟酸腐蝕光學玻璃機理,尋找酸濃度、腐蝕用時間等藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離器加原理和藝技術特,完成400mm平面輕型鏡面形加
  7. As a pivot node, port plays an important role in transferring the transportation modes and is the best site for storing and logistical processing

    港口為運輸系統中的重要節,承擔著水陸運輸方式轉換的重要職能,同時又是進行倉儲和流通加位置,在現代物流系統中佔有極為重要的地位。
  8. Invertory management is the core aspect on enterprise ' s management in china, the invertory management is featured with outdated method and low efficiency, which leads to overstock and expensive stock cost it is very important for our enterprises to improve their management level and economical benefits by promoting the inventory management level ? but the advanced management mode and method in western developed countries is not entirely fit to chinese enterprises so, it is urgent to research a kind of invertory management mode based on our national conditions in this paper, based on the background of dims ( distributed invertory management system ) project of avici 510 factory, according to actual conditions of enterprise, we bring forward a resonable system solution the main accomplishments of the paper are as follows : 1 in the paper, the relative strategies and models of inventory control are discussed significantly, the main researchs include the material repertory ration management optimal number

    本論文是以中航一集團510廠的「分散式庫存管理系統」項目為背景,結合企業庫存管理現狀,提出了庫存管理系統的解決方案。主要做了以下: 1 、首先探討了企業庫存管理中庫存控制的相關策略及模型。其中主要研究了物資儲備定額管理、訂貨批量、物資的abc分析、庫存周轉分析等問題,重論述了abc分類模糊綜合評判法的數學模型。
  9. The main works are shown as followings : in order to get best economic benefits and quickest time response, the advantages and shortages of existing methods for machining twin - screws are analyzed. in view of the production of co - rotating twin - screw is various and mostly in small batch, a new approach for forming cylinder helical surface with milling cutter is put forward. it presents the theoretical foundation for machining of twin - screw

    論文主要有如下幾:針對同向雙螺桿產品零件的多品種、小批量的生產特,為了取得經濟效益和快速地時間響應,在查閱了雙螺桿加有關的國內外文獻資料,研究分析了雙螺桿各種現有的加方法的優缺,提出了一種新的加方法? ?用圓柱立銑刀成形加雙螺桿螺旋面。
  10. According to the driving features of the off - road vehicle and the principle of proper matching between engine and torque converter ( tc ), the characteristica of concerted work and the best dynamic shift - are determined

    摘要根據越野汽車行駛特,按照發動機與液力變矩器合理匹配的原則,確定了共同特性和動力換擋
  11. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要是:對國內外預應力鋼結構的發展歷史及現狀了綜述和總結,指出當前預應力鋼結構程實踐中存在的主要問題;闡述了預應力鋼結構的受力機理,並指出預應力鋼結構的適用范圍和特;在考慮結構應力和變位約束的條件下,建立預應力鋼結構優化設計模型;提出多次預應力鋼結構優化設計方法和步驟,採用線性規劃和滿約束準則相結合的優化方法,可優化設計出施加的每一級預應力的大小,並得到結構各部分的優化截面;對多次預應力的施加次數了分析,並建議以2 3次為宜;為驗證文中理論和方法,分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計,經濟效益明顯;對水平平行弦鋼桁架的幾種施加預應力的方案進行比較,對于局部布索,預應力只對下弦起到卸載用,對上弦和腹桿基本不起用;而整體布索預應力除對下弦卸載外,對索折以外部分腹桿也起到卸載用,經濟效益好於局部布索。
  12. Abstract : in this paper, the characteristics of production system have been analyzed and the production economic functions have been set up in mine. the matrix of two - dimension alternately action is analyzed for mining process and factor in open - pit mine. it is made algorithm for matrix of two - dimension alternately action. under the conditions of binding, mine system is optimum running by optimal program, optimal coordination and optimal control

    文摘:分析了礦山生產系統的特,建立了礦山生產經濟函數,對露天礦生產藝、生產因素進行了二元交互用矩陣分析,提出了求解二元交互用矩陣的演算法,通過優計劃、優協調、優控制使礦山生產系統在一定約束條件下運轉。
  13. This paper establishes the linear model of hydro - turbine and deducts its transfer coefficients. then the optimized operation parameters are gained in the frequency disturbance and load rejection simulation. through comparing dynamically, this paper analyses the impact on its dynamic performance if some governing system parameter changes

    在研究小波動情形時,即系統在穩定附近小瞬變時,可以把非線性系統進行線性化處理;本文建立了水輪機調節系統的線性化模型,推導了其中的傳遞系數;對水輪機調節系統的頻率擾動和機組突甩負荷況進行了模擬試驗,整定了調節參數;通過動態比較,分析了調節系統參數改變對其動態性能的影響。
  14. Abstract : this paper describes a new preparation technique of calcium iodate. at the presence of hydrochloric acid, iodine is oxidated by sodium chlorate, and then reacts with calium hydroxide. a series of constrasted experiments are made on the conditions and different techniqures. relatively high productivity and purity at low cost. easy controllability and operation are the main features of this kind of technique

    文摘:介紹了以單質碘為原料,在鹽酸存在下,經氯酸鈉氧化,再與氫氧化鈣進行中和反應制備碘酸鈣的方法,並做了藝條件和不同方法的對比實驗.本法具有收率較高、純度較高、生產成本較低及反應條件易控制、設備簡單、操方便等特
  15. This paper lists the main technical parameters of land oil and gas pipelines in the world, further describes the characteristics of operating pressure of oil and gas pipelines, and considers that the operating pressure of pipeline is a decisive factor of construction cost of pipeline, and generally the operating pressure of oil pipeline is not too high, for the gas transmission pipeline, the optimum operating pressure is tending to high and is relative to the construction cost of pipeline and gas transmission managing cost

    列出世界上一些陸上油氣管道的主要技術參數,進一步闡明了油氣管道壓力的特,即輸油管道壓力決定著管道的建設投資;一般情況下,輸油管道的壓力不宜太高;輸氣管道的壓力與管道建設投資及輸氣經營費用有關;一般情況下,壓力趨向高值。
  16. In this part, the high - frequency series inverter with resonant pole capacitor is introduced mainly. the current - exchanging processes of the inverter in different working modes are analyzed, how to reduce the switching loss is discussed, and the calculating methods of snubber capacitor c, factor angle switching frequency and pulse width pw are given in optimum switching process. and results of simulation and experiment verify the validity of theoretic analysis

    接著重研究了含有諧振極無損緩沖電容的逆變器,對其換流過程中的不同狀態進行分析,討論了如何減小逆變器的開關損耗,給出了狀態下緩沖電容c 、感性角、開關頻率、觸發脈沖的脈寬pw的詳細計算方法,並通過大量的模擬和實驗波形證明了理論分析的正確性。
  17. The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves

    以上關于等距曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定距離的近似逼近的固定模式,創造了利於交互操,能有效地減少計算量及數據存儲量的新方法,可在數控加、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用( 3 ) nurbs曲線曲面降階應用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論,以實現nurbs曲線顯式一次性降多階的近似逼近為目標進行了研究
  18. Through study of match of the system with load, the paper suggested thin hole as damping parts which can make system working in optimal working site and efficiently converting wind energy to heat energy

    通過對系統與負載匹配的研究,提出採用薄壁孔元件為阻尼元件可使系統始終最佳工作點有效地將風能轉化為熱能。
  19. Main research contents and achievements of this thesis is as follows : l. this paper carries through particular test and analysis to the basic physical - chemical properties of gaojiawang palygorskite, an environmental mineral fibre, by xay, ir, tem, sem etc. this paper has also discoursed upon the development appliance research status in quo and directions of palygorskite. 2. according to the preceding surface modification research achievements to nonmetal mineral materials, the author combines the self characteristics of palygorskite such as the ratio of length and diameter, typical nano - rank particle diameter, big ratio surface area, well - developed crystal growth imperfection and lattice defect etc. the author also designs organising modification ortho - experimentation of palygorskite by adopting iso - propyl alcohol as thinner of wd - 51 and ndz - 401, and acquires the best craft parameters and craft conditions for gaojiawang palygorskite original ore organising modification, namely : wd - 51 concentration 1. 6 % ( wt % ), modification temperature 120 ?, and modification time 60 mins ; ndz - 401 concentration 2. 0 % ( wt % ), c modification temperature 120, modification time 80 mins

    在前人對非金屬礦物材料表面改性的基礎上,結合環境礦物纖維?坡縷石自身的特(如:長徑比、典型的納米粒徑、大比表面積、發育的晶體生長缺陷和晶格缺陷等) ,通過對坡縷石有機化改性設計正交試驗,採用( ch _ 3 ) _ 2choh為稀釋劑,獲得了採用wd - 51和ndz - 401對高家窪坡縷石原礦進行有機化改性的藝參數和藝條件,分別為: wd - 51的濃度為1 . 6 ( wt ) ,改性溫度為120 ,改性時間為60min ; ndz - 401的濃度為2 . 0 ( wt ) ,改性溫度為120 ,改性時間為80min 。
  20. After the spatial light modulator was made by the choice material, the expected optic purpose of device designing is validated. and, the influence from each physical factor on optical result turns out in this course, the best working point was made too. it can bring principle reference to the further design and apply of device

    繼而,者根據用所選材料製出的空間光調制器成品,通過實驗驗證了原理中預期的光學效果,並且得出了各物理參數對光學結果的影響關系,確定出器件,為器件的進一步改良和實用研究奠定了基礎。
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