gravitational model 中文意思是什麼

gravitational model 解釋
萬有引力模型
  • gravitational : adj. 【物理學】萬有引力的,地心吸力的。adv. -ly
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. ( 2 ) the gravitational toy model in canonical ensemble is also studied under the regime of generalized statistical mechanics. we find that a region of negative specific heat describing the character of gravity also exists in canonical ensemble, which is remarkably distinguished from the result of traditional statistical mechanics that the specific heat must be positive in that ensemble, implying that the gravitating system may also be described by canonical one

    ( 2 )在正則系綜中,我們同樣根據廣義統計力學對引力toy模型進行了研究,發現也會出現類似於微正則系綜中的負比熱現象,這明顯區別于傳統的統計力學中比熱必須非負的結論,從而得出在tsalllis統計下正則系綜也可以描述引力系統的結論。
  2. Geotechnic centrifuge model test technique utilizes the equivalence between centrifugal force field and gravitational field ; model dimension dwindles into 1 / n times of prototype " s, but the body force on the model increases n times. the strain and stress of model is equal to prototype " s, but the displacement of prototype is n times of model " s

    土工離心模型試驗技術利用離心力場和重力場等效性,將模型尺寸縮小到原型尺寸的1 / n ,同時作用在模型上的體積力增大n倍,這時,模型中各點的應力、應變與原型中對應點的應力、應變相等,原型和模型對應點的位移成n倍關系。
  3. Mechanical model for gravitational erosion in gully area

    黃土高原溝坡重力侵蝕的理論模型
  4. We calculate a model with angular momentum loss caused by gravitational radiation, and find that the binary undergo cyclic evolution as well. however, the period of the cycle becomes shorter, and the ratio of the time spent in the semi - detached phase to the time spent in the contact phase in a cycle becomes smaller

    我們計算了由引力波輻射引起雙星系統的角動量損失的演化模型,發現雙星系統還是經歷循環演化,不過循環的周期變短,且雙星系統的每一個循環處在半接狀態的時間與處在相接狀態的時間之比變小。
  5. However, it is too expensive in investment, complex in experimental techniques, difficult and dangerous in performance. in this paper to overcome these drawbacks, the similarity relations together with a new method and its principle of experiment have been developed based on the model theory of structural similarity. according to this principle, the total stress ; an be obtained as a sum of the stresses due to weight and external loading, which based on only one model experiment without any gravitational loading

    最後,針對外載與自重共同作用下,傳統光彈性分析法中採用離心力場模擬重力場獲得自重應力的試驗投資耗費大、技術復雜且難度大和不安全等嚴重缺點,按照結構相似的模型理論,本文提出模型外載與自重並存變動外載的光彈性分析法,導出處理這個問題具體的相似律和試驗原理及方法,進行了典型實驗驗證,指出僅用外載作用的模型試驗,即不用離心力場模擬重力場的模擬試驗,就可以獲得上述兩種載荷共同作用下的應力分析結果。
  6. Simulation of recovering gravitational potential model from the ephemeredes of champ

    衛星星歷恢復引力位模型的模擬研究
  7. The algorithm and related influencing factors, such as gravitational model, atmospheric drag, sample intervals and filter parameters, are deeply analyzed, and some important conclusions are deduced

    對定軌演算法及其主要影響因素,如地球引力場、大氣阻力、采樣間隔和濾波參數等進行了深入分析,並得出一些重要結論。
  8. In order to improve oil displacement efficiency of infusing agents and precisely to predict the three dimensional distribution about residual oil, taking the sand body of p 2 individual meandering river - channel in putaohuareservior of daqing oilfield as an example, by analyzing the thin interbeds and vertical permeability discrepancy, this paper brings forward the space configuration of the thin interbeds in single sand body, the vertical permeability distribution and gravitational differentiation which control the distribution of residual oil and the vertical multisection model of displacement efficiency in the condition of excluding exploitation factors and identical single sand - body,

    摘要為了進一步提高注入劑驅油效率以及準確預測儲層中剩餘油在三維空間的分佈,以大慶油田葡萄花油層組p 2小層曲流河道砂體為例,通過對曲流河道砂體內部薄夾層構形及滲透率垂向分佈的差異性分析,在排除開發因素差異的同井單砂體分析條件下,提出了單砂體內部薄夾層空間構形、滲透率垂向序列與重力因素共同控制剩餘油分佈、驅油效率多段垂向序列模式。
  9. According to researching several coagulant metering ways, we make a coagulant addition metering device which is based on fluid mechanics and chemistry. the device which frame work is simple can be used reliably, and we have obtained a patent for the device last year. the mathematical model is used to caculate the addition quantity of coagulant of different raw water quality, and the gravitational coagulant addition device ensure accurate addition quantity

    本文通過對混凝劑計幾種量方式的研究,嘗試性的利用流體力學(伯努利方程)和化學(溶液濃度稀釋)的原理,製作一個定量投加裝置,對混凝劑加量進行計量,該裝置結構簡單,但是安全投靠,投資和運行費用低,具有提廣價值,這種計量方式已經申請專利。
  10. During the finite element modeling of the bridge, the factors affecting the accuracy of the finite element model are discussed in detail, such as, the geometrical non - linearity of the cable including gravitational sag and initial tension, and the structural orthotropic steel box - girder deck to be equivalent to physical orthotropic deck by using compound material mechanics, and so on

    在建模過程中,盡可能多地考慮了一些影響全橋有限元模型精度的因素:如斜拉索的幾何非線性(重力垂度和初始應力) ,將構造正交各向異性鋼箱梁橋面板用復合材料力學的方法等效為物理正交各向異性板等。
  11. Five diensional geodesic equation is used to study the gravitational force acted on a test particle in the bulk of the randall - sundrum two - brane model. it is this force that causes the model to be unstable

    我們從五維測地線方程出發,研究了rs雙膜模型中bulk檢驗粒子的引力,此引力導致了rs模型不穩定。
  12. Gravitational model of asean trade effects

    東盟貿易效應的引力模型
  13. Earth gravitational model

    地球重力模型
  14. This paper focused on the method to improve existing global gravitational model including integral approach and tailored method

    摘要研究如何從有限的數據改進現有的全球重力場模型,主要討論了利用剪切法改進高階模型。
  15. The gravity model was originally motivated by the observation that flows decrease as a function of the distance separating zones, just as the gravitational pull between two objects decreases as a function of the distance between the objects

    重力模型起初的目的是描述是交通量隨著小區之間的距離而減小,正如萬有引力隨著量物體之間的距離而減小。
  16. We establish a gravitational coagulant addition system which core is establishing mathematical model on the basis of the actuality of water works in different country, and we successfully resolved the problem that the ordinary coagulant addition systom is always irreliable. the gravitational coagulant addition system which can be used in different water works is economical and reliable. we analyze several factors which influence the addition quantity of coagulant

    本文在分析研究國內外有關給水處理廠的投藥系統的現狀的基礎上,結合我國的實際情況,提出了以數學模型為核心的給水處理廠的重力投藥方式,成功的解決了長期困惑給水處理廠的投藥系統運行不可靠的難題,系統建設既經濟又可靠,適合於大、中、小型給水處理廠,具有較強的應用空間。
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