等熵流 的英文怎麼說

中文拼音 [děngshāngliú]
等熵流 英文
isentropic flow
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 名詞[物理學] entropy; thermal charge
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  1. 4. practical meteorology : isopleths analysis ; streamline analysis ; use of tephigram ; interpretation of weather charts ; weather observations ; codes in common use ; principles and exposure requirements of weather instruments ; telecommunications procedures

    4 .實用氣象學:值線分析線分析溫圖應用天氣圖解釋天氣觀測通用電碼氣象儀器原理及安裝條件電信程序。
  2. The information entropy in spatial distribution reaches the climax in changleng town, shigang town, wangcheng town and lehua town, where have a relatively developed economy, drops to the bottom in songhu town, xiangshan town, lianyu town and tiehe town, first ascends and then descends in 1997 - 2004 ( reaches to the climax in 2002 ) in ten towns like xishan town, shibu town, liuhu town, and so on

    信息的空間分佈,在新建縣經濟比較發達的長?鎮、石崗鎮、望城鎮及樂化鎮的信息最大;松湖鎮、象山鎮、聯行鄉、鐵河鄉的信息最小;西山鎮、石埠鄉、湖鄉10個鄉鎮的土地利用結構信息在1997 - 2004年呈先增大后減小的趨勢, 2002年達到最大。
  3. The accumulation and transportation of moist available potential energy and the release of the condensation heat offer the material condition for this heavy rainfall. under the condition of the air ' s movement through the stiff moist isentropic surfaces, the development of vertical vorticity of mesoscale low vortex system is accelerated due to the slantwise vorticity development, and to form stronger convective system, so as to result in heavy storm rainfall

    濕有效能量的積聚和輸送為強降水的發生、發展提供了充分的物質條件;由於沿陡立面的空氣上滑運動,因傾斜渦度發展造成了中尺度低渦系統垂直渦度迅速增加,促進了低渦的快速加強,形成強對系統,導致強暴雨過程的發生。
  4. Relaxation limit of a unipolar isentropic hydrodynamic model for semiconductors

    一類單極等熵流體動力學半導體模型的鬆弛極限
  5. By using theories from the relevant disciplines such as geography, mathematics, physics, ecology, and system sciences, this thesis develops a framework employing the concept of system entropy to represent the state function of the man - earth relationship system. in this framework the entropy change is used to show the development change of the system, and the entropy flow to express the flow among the spatial parts of the system. following the framework, and based on a large set of household data from surveys, the thesis makes a quantitative analysis of the village - level man - earth relationship system from a micro - perspective

    藉助地理學、數學、物理學、生態學、系統科學有關學科理論,根據實地調查的大量農戶數據,從微觀視角對村域人地關繫系統進行了定量分析,用人地關繫系統來表徵人地關繫系統的狀態函數,用變來反映人地關繫系統的發展變化,用來表示人地關繫系統各空間型式地域主體之間的動。
  6. Thirdly, through qualitative and quantitative methods, it analyzes the law of organizing mode evolution in investment bank department by the utilization of entropy and dissipative structure theory. finally, on the basis of the above analysis, it constructs an organizing mode of investment bank department in securities company. the focal point of this thesis lies in : it studies the law of organizing mode evolution of investment bank department in securities company, and constructs further an organizing mode of investment bank department to meet the new external environment

    論文首先對我國證券公司投資銀行業務的外部環境和組織模式現狀進行了介紹,指出了目前投資銀行部門組織模式存在的問題,同時,論文對國外投資銀行組織模式進行了分析和借鑒;其次,論文運用權變理論和資源依附理論對我國證券公司投資銀行部門的外部環境進行了分析,得出新環境下投資銀行部門組織結構的應對策略;再其次,運用理論、耗散結構理論對投資銀行部門組織模式演變規律進行了定性和定量分析;最後,在上述分析的基礎之上,對目前我國證券公司投資銀行部門的組織結構、部門職能、業務程、激勵機制進行了初步設計。
  7. By applying the theory and method of geological anomaly, it is focused on the analysis of the characters of major geological anomalies and their effect of mineralization in daye - jiurui region. the analysis result shows that the basement fault anomalies control a few major large hidden batholiths and their associated orefields ; that the anomalies of cover structure confine most cu - au deposits and fe - cu deposits within their scope ; that the geochemical anomalies and lithofacies - paleogeographical anomalies are major geological factors leading to trataboundness of some cu - au deposits ; that the anomalies of rock operties provide the favorable chemical and physical conditions for the ore - forming process, including the seepage, circulation, convergence and deposit of ore - bearing hydrothermal solution ; that the anomalous ctive stage of mesozoic magmatite is almost consistent with the major mineralization epoch of the fe, cu deposits, and the structure of multi - levels, and the zoning in magmatic system determine the spatial distribution of the mineralization system. then, based on the above analysis, a comprehensive variate, geological combination entropy, is brought forward for reflecting the complex degree of the combination of geological ore - controlling factors. after circumscribing the anomalies of geological combination entropy, the relations between the anomalies and ore deposits are determined

    從地質異常的角度,重點分析了大冶九瑞地區主要地質異常的特徵及其對成礦的影響.由分析可知:基底斷裂異常控制了本區若干重要規模較大的隱伏巖基及伴生礦田,而蓋層構造異常控制銅金礦床和鐵銅礦床的空間位置;地層的地球化學異常和巖相古地理異常是造成一些銅金礦床層控性的主要地質因素;蓋層的巖性異常為含礦熱液的滲、循環、聚集和礦質沉澱一系列成礦作用提供了有利的物理和化學條件;中生代巖漿巖的異常活動期也是本區主要的鐵銅成礦期,巖漿巖系統的多層分枝和分帶性結構控制了本區成礦系統的三維空間分佈.在上述分析的基礎上,構置了地質組合作為反映控礦地質因素組合系統結構復雜程度的綜合變量,並圈定出組合異常,由此確定了綜合地質異常與礦床的關系
  8. Life span of solutions to nonisentropic gas dynamics systems

    等熵流氣體動力學方程組解的生命跨度
  9. One dimensional non - isentropic flow induced by high - speed train entering a tunnel

    高速列車進入隧道時的一維非等熵流
  10. Cauchy problem for linearized system of two - dimensional isentropic flow with axisymmetrical initial data in gas dynamics

    二維等熵流的線性化方程的具軸對稱初值的柯西問題
  11. Improved tanh - function method and the new exact solutions for the general variable coefficient kdv equation and mkdv equation

    非定常可壓等熵流非線性方程顯式解析解的推導
  12. The working parameters ( specific enthalpy, entropy, flux of working fluid, reynolds number, etc. ), the configuration parameters of the main components, such as steam turbine - generator group, evaporator and ehd condenser and system efficiency were calculated on the base of thermodynamics theory

    文中以熱力學理論為基礎,計算了低溫余熱發電系統的運行參數(比焓、、工質量、雷諾數、管路壓力)和各主要組件如汽輪機-發電機組、蒸發器和ehd冷凝器的結構參數,並計算了系統的效率。
  13. Based on result of the multiple objective optimization, this dissertation investigates the multiple objective decision of mixed - model flow m anufacturing system. in allusion to the pareto frontier, in terms to the assistant information of decision schemes, the preference of objectives, the preference of decision schemes, individual decision - making and group decision - making are gained through the measure function, 0 - 1 programming and relative entropy combining with subjective and objective factors

    在多目標優化的基礎上,研究了混合水生產系統的多目標決策問題,針對多目標協同優化得到的pareto前端,依據決策方案的輔助信息、對指標有偏好的信息以及對決策方案有偏好的信息,採用測度函數、 0 - 1規劃方法以及相對的方法,結合主客觀因素進行多目標個體決策和群體決策,把多目標優化與多目標決策聯系起來。
  14. Through analysis of potential vorticity in equity - entropy surface field, a relatively high potential vorticity center in cyclone top in low - troposphere have discovered, and make cyclone develop in a more deep cyclone circulation by this ; and an anticyclone circulation zone with more severe low potential vorticity in high - troposphere

    通過對面的位渦分析,發現了對層中低層的位渦場,在氣旋上方有一個相對高位渦中心,由此使得氣旋在一個比較深厚的氣旋性環中發展;而對層高層則是一個伴有較強位渦低值的反氣旋環區。
  15. In the fields of fluid dynamics, entropy inequality reflects the second law of thermodynamics. i. e. entropy must increase across shock waves ( a kind of discontinuity ). all kind of approximate schemes should reflect the fact that it must satisfies some kind of discrete entropy inequality ). from the view of practical computation, stability and theo - retical error of any kind discrete schemes all dependend of the smoothness of the solution of ( 0. 2. 1 ). generally, the approximate solution have good stability and theoretial error in the area where the solutions have more regularity and poor stability and theoretial error in other area

    體力學來看,它事實上是熱力學第二定理的反映,即越過激波(一種間斷)要增加。各種估計格式構造的估計解應反映這一事實,即滿足式。從實際計算來看,總是通過離散化求解,不考慮計算的積累誤差,它的穩定性與計算精度都依賴與真解的光滑性,一般說,在解較光滑的區域有較好的穩定性與計算精度,而在較粗糙的區域則相反。
  16. The exhaust system and muffler are simplified as a set of 1 - d pipes with non - isentropic flow and with variable sections. the partial differential equations of non - stationary flow are transferred into the stationary differential equations by means of the characteristic lines. these equations are solved by finite difference method

    在排氣管系的計算中將排氣管簡化為一組一維非變截面管,並通過「特徵線法」將描述其運動的非定常的偏微分方程轉化為常微分方程,再用差分數值方法依靠計算機求解。
  17. Convergence rates of solutions to initial boundary value problem for one dimensional nonisentropic gas dynamics system with damping

    帶阻尼項一維非等熵流方程組初邊值問題解的收斂速度
  18. On the other hand through the numerical simulation and the theoretical analysis, the characteristics of electro - magnetic implosion and detonation driven implosion have been compared, and it is concluded that the ability of driving liners with the electro - magnetic implosion is much stronger than that of detonation driven implosion

    利用計算結果和炸藥驅動內爆進行了比較,並結合理論分析得出了磁壓驅動套筒內爆達到高速的能力要強于炸藥驅動的結論。同時以上述理想導體模型對磁驅動壓縮進行了體力學數值模擬,從數值模擬的角度論證了磁驅動加載可以進行壓縮實驗。
  19. In order to determine thermal loading and working pressure of nozzle inner contour, the gas was regarded as one dimensional isentropic flow, and temperature field of nozzle was computed based on three - dimension finite element model

    將燃氣簡化為一維等熵流以確定噴管內型面所承受的溫度和壓力載荷,基於三維有限元模型,計算了噴管的瞬時溫度場。
  20. In the theoretical aspect, secondary combustion in ejectorjet and thermal throat was researched. theory of duct flow was conducted, the difference and homology between heat added flow and entropy fixed flow was described

    在理論研究方面,本文對引射火箭二次加熱及熱力喉道進行了研究,推導並分析了一般的管理論,闡述了加熱管與變截面之間的異同。
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