近平衡流 的英文怎麼說

中文拼音 [jìnpínghéngliú]
近平衡流 英文
near-equilibrium flow
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 衡 : Ⅰ名詞1 （秤桿） the graduated arm of a steelyard2 （稱重量的器具） weighing apparatus3 （姓氏） a...
  • 流 : 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. In this paper we study the single - species chemostat model with time dilay. based on [ 8 ], we analyze the hopf bifurcation of the system which take the diluton as a parameter, and we obtain that under the conditon of the existence of positive equilibrium and if the dilution is too big or too small, the system will appear hopf bifurcation

    在文[ 8 ]的基礎上，以模型中的流量為參數進行了hopf分支分析。得出了在正平衡點存在的條件下，當流量較大或較小時，系統的正平衡點附近會產生hopf分支，並應用中心流形和規范形理論給出了分支方向及分支周期解穩定性的計算公式。
  2. Mannose wire on the significance of modern nutrition is, as dietary fiber have been deemed no nutritional role of the waste, has been ignored until recent years a large number of clinical and epidemiological research on human dietary fiber found a very good balance of nutrition and regulating metabolism function, it is carbon water chemosynthetic of an important component of the human body is an essential nutrient

    甘露絲對現代營養學的意義在於，由於膳食纖維曾被當作沒有任何營養作用的廢物，一直不受重視，直到近年來大量的臨床學和流行病學研究，發現膳食纖維對人體有很好的平衡營養和調節代謝的功能，它是碳水化合物的重要組成部分，是人體必不可少的營養素。
  3. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。
  4. According to gaseous " molecular kinetic, the mass diffusion rate is within finite value. so theoretical conclusion of mass flux ' s producing and the essential relation of flux vs. force could be drawn. with the assumption that local density states in near equilibrium and the distribution is gradual changed, the classical first pick ' s law was modified considering mass relaxation time

    根據氣體分子運動論對質量傳播速度為有限值情況下的質量流的產生及流與力之間的本構關系作了理論推導，在假定局域濃度處于近平衡態，其分佈為漸進的情況下得到了考慮質量鬆弛作用的經典fick第一定律的修正式。
  5. The inner - plant economical operation of lijiaxia hydropower station is studied based on the disadvantageous operating mode area of the units determined by school of civil engineering of tianjin university and the actual operating experience of the lijiaxia hydropower station in the last a few years

    摘要以天津大學建築工程學院確定的李家峽水電站機組的不利工況區為依據，以近幾年來該水電站的實際運行經驗為參考，在綜合考慮機組初始運行狀態、機組振動特性、機組出力、下泄流量、水庫蓄水量和電網負荷平衡等因素的基礎上對李家峽水電站的廠內經濟運行進行了研究。
  6. If the magnetic stripes on mars are confirmed to be caused by plate tectonics, this would be the first direct evidence of the existence on another world other than earth of such geological process. source : nasa

    注一：流體靜力學平衡hydrostatic equilibrium是指星體有足夠的萬有引力去令星體的物質固為球體或接近球體，而不至於物質向內崩塌或飛散。
  7. The recent research advances in the synthesis of styrene - butadiene latex for paper coating, including monomer composition, particle structure, balance of surface strength and blister resistance, coating with good fluidity at high speed, latex stability, additive and material addition sequence were reviewed with 15 references

    摘要介紹了近年來國外塗布紙用丁苯膠乳在單體組成、粒子結構、塗布紙表面強度與抗起泡性的平衡性、塗料高剪切流動性、膠乳德定性、添加劑和加料順序等方面的研究進展。
  8. Circulation for transferring record then, based on the above limitations, this paper proposes a dynamic load balancing method. through the simulation of the change over time of the traffic of customer data, it draws a comparison in the deviation of the change over time of the traffic in a certain sdm ( service data module ) with respect to that of the average traffic of all modules between old method and new method. the load imbalance ratio, the number of records transferred per unit time and the reduction of number of modules are evaluated

    本論文針對上述兩個問題，提出一種改進的負載平衡方法，通過對用戶數據流量隨時間變化的模擬，比較了記錄遷移方法改進前後每一模塊的流量變化與所有模塊平均流量變化的趨近程度，同時還對幾個重要參數：模塊數量縮減率、負載不平衡比和單位時間內記錄遷移數量，它們之間的關系進行討論，得出改進后的記錄遷移方法能夠達到動態平衡負載的效果。
  9. The paper takes an example of condensed gas feild in qianmiqiao buried - hills. based on the research of formation and development of the buried - hills, three important subjects in the research are discussed with the application of advanced technical and methods ( namely, balanced cross sections, analysis of carbon isotope, mensuration of reservoir fluid inclusion ) : ( 1 ) the development of karstification and characters of reservoir in ordovician ; ( 2 ) lower tertiary ( es3 ) source in the depression nearby ; ( 3 ) the hydrocarbon generation history, migration phase and reservoir formation history

    論文以千米橋潛山凝析氣藏為例，在研究潛山形成演化基礎上，採用先進技術手段（平衡剖面技術、碳同位素分析、儲層流體包裹體測定） ，討論了該潛山油氣藏研究中三個重要問題： （ 1 ）古巖溶發育與奧陶系儲層特徵； （ 2 ）臨近凹陷下第三系油氣源： （ 3 ）油氣生成史與運移期次以及成藏歷史。
  10. It can be used in the larger scale calculation in next research. the main achievements of this project were concluded as follows : 1. substantiation of complementary relationship for area evapotranspiration based on nearly 30 years data from 432 weather stations and 512 hydrological stations in china, using means of water balance, the secular annual mean actual evapotranspiration was established

    為今後進行大范圍實際蒸散發研究提供了有益的嘗試，本文主要完成以下幾個方面工作： 1區域蒸散互補關系的驗證利用432個氣象站和512個水文站全國共計944個氣象、水文站近30年的氣象、水文資料，採用水量平衡法，計算流域多年平均實際蒸散發量。
  11. The pvt properties of some binary and ternary mixtures of the supercritical fluids were calculated with the two equations above, and the deviations were less than or very close to the experimental ones

    用上述兩方程對一些二、三元超臨界流體混合物pvt性質和汽液平衡的計算偏差小於實驗誤差，或與之很接近。
  12. We give a center manifold theorem in the neighbourhood of the equilibrium point, and prove that the center manifold is exponentially decaying

    在此平衡點附近建立中心流形定理，並證明中心流形有空間指數衰減性。
  13. Through such a study, it is also shown that when the time delay is long enough such that the stability switches of the equilibrium of system halt, the bifurcation branches originated from the critical time delays cannot be surely stable or unstable in the whole solution space, that is, their stability depends on cases. this phenomenon also implies that the stability of the periodic solutions on the bifurcation diagrams indicates only the stability on the local center manifo ld. some distinguished features of delay dyn

    利用打靶法的數值結果說明了當系統平衡點不再發生穩定性切換時，源自這些臨界時滯處的解支的穩定性在整個解空間的穩定性具有不可判定性，這也說明由多尺度法所得高階近似判定的解支的穩定性事實上只表示解支在局部中心流形上的穩定性，而非在整個解空間中的穩定性。
  14. 1 a planet is a celestial body that is in orbit around the sun, has sufficient mass for its self - gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium nearly round shape, and has cleared the neighbourhood around its orbit

    1 .行星是指符合以下特性的天體： a在圍繞著太陽的軌道上運行b有足夠質量以產生引力達至流體靜力平衡的形狀近似球形及c已使其軌道附近清空。
  15. 2 a dwarf planet is a celestial body that is in orbit around the sun, has sufficient mass for its self - gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium nearly round shape, has not cleared the neighbourhood around its orbit, and is not a satellite

    2 .矮行星是指符合以下特性的天體： a在圍繞著太陽的軌道上運行b有足夠質量以產生引力達至流體靜力平衡的形狀近似球形c沒有使其軌道附近清空及d不是衛星。
  16. In this paper i was in virtue of the fluent software, set up the geometrical model of jin ’ ao mansion and adjacent buildings, used non - equilibrium wall functions to deal with the problem which come from the near wall, used realizable k - turbulent model to simulate the steady flow around 3d high - rise buildings, we can get the distribution of mean wind pressure coefficient of the surface of jin ’ ao mansion and five aerodynamics components. they were compared with the data from the wind tunnel test, we found out the distance between the result of the wind tunnel test and numerical simulation in the acceptable range

    本文以fluent軟體為平臺，建立金奧大廈及其周邊建築的計算幾何模型，近壁區採用非平衡壁面函數法處理，運用基於雷諾時均的realizablek -湍流模型進行高層建築三維定常風場數值模擬，獲得金奧大廈表面時均風壓系數分佈及基底五分量氣動力，並和風洞測壓試驗的結果及風壓系數積分計算的基底五分量氣動力相比較，發現兩者之間的差異在可接受的范圍之內。
  17. The main object of this paper is to design a diagonal impeller, which requires small size and high rotating speed. the first step of the design is to solve the radial equilibrium equations on the s2 stream surface. second, the blades designed according to the results of the first step

    方案計算是為二維設計做基礎；二維設計是在s2流面內用流線曲率法求解完全徑向平衡方程，利用流場計算的結果來初步判斷設計的工程合理性；葉片造型利用s2流場的計算結果，近似沿著氣流流面進行造型。
  18. The famous project of gas transiting west to east and the cross - river tunnel of huangbu river in shanghai also will be constructed with this technique, which is under the plan. among the shield tunneling methods, up to now, earth pressure balanced shield tunneling ( epbs ) is the most universal type, and it is very certain that the epbs method adopt to our country increasingly. the key factor to success in epbs is converting the muck which is lack of fluidity excavated from the cutter face to the plasticity soil. but when the shied tunneling machine advancing, it is considerably difficult to reach this requirement because of the ground soil condition, which is consist of stiff clay, silt, weathered rock, and so on

    近些年來我國城市地鐵建設迅速發展，盾構施工法作為一種安全而又環保的施工方法得到了廣泛的使用，另外在黃浦過江隧道，西氣東輸的穿黃隧道等工程也在使用盾構隧道施工技術。這其中土壓平衡式盾構在我國的使用最為普遍，成為地鐵隧道施工技術的主流。土壓平衡式盾構施工成功的關鍵是要將開挖面切削下來的土體在壓力艙內調整成一種「塑性流動狀態」 。
  19. Especially, when the isocline of x is monotone decreasing in 0 < x < 1, the svstem has no limit cycle and is globally stable ; next, we construct a saddle bifurcation at the boundary equilibrium and a degenerated bogdanov - takens bifurcation at the interior equilibrium by choosing appropriate parameter values in the following two sections, where our work are based on the theory of central manifolds and normal torms. we prove that is a codimention 3 focus - type equilibrium. system ( 6. 1 ) will have two limit cycles at some appropriate bifurcation parameter values, and have homoclinic or double - homoclinic orbits at some other appropriate bifurcation parameter values ; at last, we study the qualitative properties of the system at infinite in the poincare sphere

    因為系統在（ 0 ， 0 ）點處沒有定義，這給研究其在（ 0 ， 0 ）附近的動力學性質帶來了困難，我們應用文獻[ 17 ]中關于研究非線性方程奇點的系列理論和方法，圓滿解決了這一問題，給出了第一象限內當t +或t -時，在全參數狀態下系統的軌線趨于（ 0 ， 0 ）點的所有可能情況，其相圖也得以描繪；並且，系統不存在極限環的幾個充分條件我們也予以列出，當x的等傾線在0 x 1范圍內遞減時，系統不存在極限環，全局漸近穩定；然後，我們以中心流形定理和正規型方法為主要工具，巧妙選擇參數，分別構造了一個余維2的鞍點分岔和一個余維3退化bogdanov - takens分岔，證明了平衡點是余維3的焦點型平衡點，存在參數， m ，的值使得系統（ 6 . 1 ）有兩個極限環，還存在參數， m ，的另外值使得系統（ 6 . 1 ）有同宿軌或雙同宿軌。
  20. The results of analysis show that the shock detached distance computed by two temperature model or three temperature compare well with the experiment data, and the heat transfer rate is highest for one temperature model with non - catalytic wall, and lowest for equilibrium gas model, and the heat transfer rate for perfect gas model is between the non - catalytic wall and fully catalytic wall

    結果表明：採用兩溫度（或三溫度）非平衡氣體模型計算的激波脫體距離更接近實驗情況；採用平衡氣體模型計算的壁面熱流最高，一溫度非平衡氣體模型完全非催化的壁面熱流最低，而完全氣體模型的壁面熱流在兩者之間。
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