differential oil 中文意思是什麼

differential oil 解釋
差速器機油
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • oil : n 1 油;油類;油狀物〈一般是不可數名詞,表示種類時則用 pl 如:vegetable and animal oils 植物油和...
  1. Lsd limited slip differential oil

    防滑差速器油
  2. This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field

    本文從系統理論出發研究油氣動態系統基本統計規律,結合油氣動態系統的一般特點,結構特點,兼顧油田開發規劃設計的要求,利用功能模擬原理(含神經網路方法、微分模擬方法) ,依據油田歷史數據,建立了油田開發動態指標間的輸入輸出關聯關系,並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測,同時利用最優化原理,在分析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「優化模型」 ,這些優化模型包括:產量構成優化模型(解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題) ;措施產量結構優化模型(解決壓裂、酸化、大修等各項措施產量及措施工作量的最優構成問題) ;產量分配優化模型(將油田的產量最優地分配到各採油廠)以及油田綜合開發規劃模型。
  3. As the hard core of this paper, this chapter gives a frame which will help us to understand the new economic evaluation method of oil - gas projects better at first, then discusses the binomial model and the parameters estimating methods of abandon real options in the exploring phase, the partial differential equation model and the parameters estimating methods of the shut - down real options in the developing phase respectively. in the course of ascertaining the parameters estimating methods, this chapter discusses the application of a mathematic method - the monte carlo simulation in this article particularly

    做為全文的核心,先提出勘探項目經濟評價新方法研究的總體框架,然後具體討論確定勘探階段放棄期權的二叉樹實物期權模型與參數確定方法、開發階段停啟期權的偏微分實物期權模型與參數確定方法,在參數確定過程中,詳細闡述了蒙特卡羅模擬這一數學工具在本論文方法中的應用;第五,案例分析及方法應用探討。
  4. The effect of return oil pressure on hydraulic system with differential pressure control valve

    回油壓力對具有差壓式配壓閥的液壓系統的影響
  5. ( 4 ) in order to improve the system and its working function, a hydraulic controlled direction valve is connected in the main oil circuit to control the differential of the piston. then the dimentions of the cylinder and the piston are reduced, improving the working properties

    廣東工業人學工學顧十學位論義( 4 )為進一步改進設計方案,提高其工作性能,在主油路中加一液動換向閥,控制活塞的差動,從而將減小油缸和活塞的尺寸,提高工作性能。
  6. A new economic evaluation method of oil - gas exploration and development is established in the article. the hard core of the article is that : discussing the applying theory of the oil - gas exploration and development economic evaluation based on the real options, analyzing and confirming the binomial model of the abandon option in the exploring phase and the partial differential equation of the shut - down option in the developing phase fitting for most oil - gas projects, ascertaining correlative factors based on real projects and the methods how to estimate parameters

    本文要構建一種基於實物期權法的油氣勘探開發類項目的經濟評價方法,探討基於實物期權法的油氣勘探開發經濟評價方法的應用原理,提出適合大多油氣勘探開發項目的勘探階段放棄期權二叉樹模型和開發階段停啟期權偏微分方程,確定基於該類項目實際的相關參數,並提供解決參數估計的方法。
  7. This engine is equipped by vacuum membrane, double chambers. the engine has reverse device, oil - alarm, liming device and transmission differential. it is the special engine for tricycle and atv

    發動機內部設置倒檔裝置、機油報警器和傳動差速器,屬國內外首創「一體化」的三輪車和沙灘車專用發動機。
  8. Full - flow lubricating oil filters for internal combustion engines - methods of test for resistance to high differential pressure and to elevated temperature

    內燃機滿流式潤滑油過濾器.第3部分:耐高壓差和耐高溫性能試驗方法
  9. But it also bring some important questions which affect the safety and economy running of the units, such as frequency regulation, long running with low loads, electric equipment and assistant equipment friction, oil wasting etc. the text apply differential increcent rate of equilateral discharge to analyze deeply the economy of hydro - power plant according to the practice data of the plant, putting forward the resolvation, providing indeed the theoretic feasibility investigation of engineering

    但由此帶來的水電機組的頻繁調節、長時間帶低負荷運行以及電氣設備和輔助設備的磨損和油耗的增加等,都成為影響水電機組長期安全、經濟運行的不可忽視的重要問題。本文根據安徽陳村水電廠實際資料,運用等微增率方法對agc投入后水電站廠內運行經濟性作了深入的分析,提出了解決辦法,為在工程上真正實現提供了理論上的可行性研究。
  10. There are much complicated and exquisite physical and chemical processes when the oil and the air been mixed. for some theories of the combustion are not clear and the differential eguations are so complicated, it is very difficlut to get the accurate flow field distribution. so it limits the combustion theory to design conb ustion equipment

    由於對某些燃料的燃燒過程機理至今尚不完全清楚,並且描述這一現象數學模型的控制微分方程很復雜,所以很難用解析方法求得等離子點火器燃燒流場的精確分佈,這樣就極大的限制了人們應用燃燒理論指導這一燃燒設備的設計研究。
  11. Methods of test for full - flow lubricating oil filters for internal combustion engines - part 3 : resistance to high differential pressure and to elevated temperature

    內燃機全流式機油濾清器試驗方法第3部分:耐高壓差和耐高溫特性
  12. Based on modern optimization theory and optimal control theory, this dissertation studies some questions as follows : 1. the optimization model of parameter identification of three - dimensional geologic history numerical simulation, algorithm and its application geologic history numerical simulation is a basic content of basin numerical simulation, and the porosity is the major parameter in the evolution and development process of oil - bearing basin. according to the sedimentation and burial mechanism, the physical and chemical principles of oil geology, the mudstone porosity ' s non - linear parabolic partial differential equation has been established

    本文應用現代最優化及最優控制理論,對如下一些問題進行了研究: 1 、三維地史數值模擬的參數辨識優化模型、演算法及應用地史模擬是盆地數值模擬的一個基礎性的研究內容,地層孔隙度是含油氣盆地地史演化發育過程中的重要參數,根據地層沉積埋藏機理和石油地質的物理化學原理,通過引入數學物理方程概念,建立了泥巖三維孔隙度場方程,根據問題的特點,給出了方程的定解條件,對方程的動邊界也給出了處理方法,並且證明了解的存在性與惟一性,在此基礎上建立了以當今實測數據為擬合準則的三維地史數值模擬的參數辨識優化模型,這是一個含有二階偏微分方程約束的泛函極值問題。
  13. The principles of differential scanning calorimetry, electron microscope, nuclear magnetic resonance and x - ray were introduced in this paper together with their applications in oil quality control, development direction of investigation on oil quality control was also forecasted here

    摘要介紹了現代物理化學方法(差示掃描量熱法、電子顯微鏡、核磁共振法、 x -射線衍射法)的原理及其在油脂質量控制中的應用,並預側了油脂質量控制研究的發展方向。
  14. It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used

    ( 2 )建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程,並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為,利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程,重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。
  15. Because the oil well pump belongs to a simplex reciprocating pump, the most authentic adolph ' s differentical equation of movement of the reciprocating pump valve can be used to reserch the movement of oil well pump valve, but it is well known that this differential equation is singular at the moment when the raising height of the pump valve is zero

    由於抽油泵屬于單缸單作用往復泵,因此可以將目前較權威的阿道爾夫往復泵泵閥運動微分方程用於研究抽油泵泵閥的運動規律,但阿道爾夫泵閥運動微分方程在泵閥開啟初期存在奇點問題。
  16. Social average exploration cost required by obtaining oil / gas reserves is taken as fundamental price for measured reserves, and this model adopts addictive average profit on the basis of social average exploration cost and differential prices in different production conditions as price of oil / gas reserves

    模型以獲得油氣儲量所需花費的社會平均勘探成本作為確定儲量的基本價格,在社會平均勘探成本的基礎上附加一定的平均利潤和由於開采條件不同造成的級差價格,來作為油氣儲量的價格。
  17. Full - flow lubricating oil filters for internal combustion engines - methods of test for differential pressure flow characteristics

    內燃機滿液流潤滑油過濾器.不同壓力流量特性試驗方法
  18. Oil pressure differential controller

    油壓差控制器
  19. Methods of test for full - flow lubricating oil filters for internal combustion engines - part 1 : differential pressure flow characteristics

    內燃機全流式機油濾清器試驗方法第1部分:壓差-流量特性
  20. Oil - water two - phase flow measurement based on differential pressure

    基於差壓法的油水兩相流的流量測量
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