超流體模型 的英文怎麼說

中文拼音 [chāoliúxíng]
超流體模型 英文
superconductivity model
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : 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...
  • : 體構詞成分。
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
  • 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
  1. Physicists have proposed a number of black hole analogues besides the transsonic fluid flow

    除了音速以外,物理學家還提出了好幾個黑洞的類比
  2. Strained - soi mosfet, which appears recently, takes both the advantages of soi ( silicon on insulator ) and sige ( silicon germanium ). it has shown advantages over bulk sample in enhanced carriers mobility, as well as higher transconductance, stronger drive capability and reduced parasitic capacitances. these properties make it a promising candidate for improving the performance of microelectronics devices

    Strained - soimosfet是最近幾年才出現的新器件,它將soi材料和sige材料結合在一起,與傳統硅器件相比,表現出載子遷移率高、電驅動能力強、跨導大、寄生效應小等優勢,特別適用於高性能、高速度、低功耗大規集成電路。
  3. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直雙閉環調速系統參數優化設計方法.根據工程技術的要求,選用速度調量和過渡時間作為參數優化性能指標.將該指標用糊隸屬度函數歸一化,再加權平均形成系統優化的目標函數.採用計算機數值計算方法,通過擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍,以速度調節器和電調節器的參數為染色中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高
  4. Analytic network process ( anp ) and super decisions software were used to complete member selection for supply and marketing transport & warehouse company

    結合某供銷儲運公司組建物聯盟的實際問題,建立了anp理論為基礎的盟員選擇,並利用級決策軟進行求解。
  5. It has three - star hotel, large commercial centers, such as zhengtong supermarket, huasheng shopping mall, zhonglian commerce building and so on, as well as nice leisure places, like beautiful luhu park, perfect gymnasium, bowling court, natatorium, tennis court, etc

    擁有三星級賓館,建有政通市、華盛購物廣場、中聯商廈等規較大的商業中心,風景旖旎的蘆湖公園、設施一的大育館、保齡球館、游泳館、網球場等健身娛樂場所成為大眾節假日休閑放鬆的好去處。
  6. The flowfields around the reentry blunt body are simulated numerically by solving the navier - stokes with the various thermal and chemical model, such as perfect gas model, vibrational excitation model, equilibrium gas model, and the non - equilibrium gas model of one temperature, two temperature and three temperature

    本文採用完全氣、振動激發氣、平衡氣、一溫度非平衡氣、兩溫度非平衡氣和三溫度非平衡氣進行了鈍聲速繞場的數值計算。
  7. The main work in this paper includes three parts : the theory research on partially - cavitating and super - cavitating axisymmetric bodies, the numerical computations and experimental investigations on partially - cavitation and super - cavitation on axisymmetric bodies. after finishing the study of theory and experiment on the partially - cavitation and super - cavitation for axisymmetric body, i use the potential flow theory to build the mathematical model on the partially - cavitation and super - cavitation for axisymmetric body. many cavity wake models, such as pressure recovery close model, riabouchinsky model and re - entrant jet model, are studied seriously

    本文在深入研究了回轉局部空化與空化理論及實驗結果的基礎上,基於勢理論,建立了回轉局部空泡和空泡場的基本數學,通過對kinnas和fine 、 uhlman以及jiedang和gertkuiper等人基於二維水翼提出的壓力恢復閉合、鏡像板和回射等空泡尾進行了逐一的研究分析,發現其中的壓力恢復閉合較適用於擬回轉空泡尾部場,並選用此空泡尾作為求解回轉空化場正問題與逆問題的數學的組成部分。
  8. Abstract : the paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example

    文摘:首先介紹了三種動力學臨界萃取的(經驗、基於熱傳遞類推的以及基於微分質量平衡的) ,然後擬了在聲存在的條件下臨界從香椿葉中萃取黃酮類化合物的動力學過程,最後通過該例子展示了現有大多數動力學的缺點
  9. The paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example

    摘要首先介紹了三種動力學臨界萃取的(經驗、基於熱傳遞類推的以及基於微分質量平衡的) ,然後擬了在聲存在的條件下臨界從香椿葉中萃取黃酮類化合物的動力學過程,最後通過該例子展示了現有大多數動力學的缺點。
  10. The primary study contents as follows : acquire the superhigh strength and excellent duration by adoption of the confecting technique of high performance concrete ; reduce the penetrability of color facing layer and extend the fixed number of serve years of color stamped facing layer to a great extent by the basis of the compound optimum principle of materials and the technique of surface managing and coating ; realize onetime quick construction and tridimensional modeling of facing and foundation by printing principle and mould and by using subtly the flowing - changing characteristic effacing layer

    主要研究內容有以下幾個方面:採用高性能混凝土配製技術獲得彩色飾面層的高強度和優異的耐久性;根據材料復合優化原理,通過表面處理和罩面技術,降低彩色飾面層的滲透性,大幅度延長彩色印飾面的使用壽命;借鑒印刷原理和具造並巧妙地利用飾面層的變特性,實現飾面與基的一次性快速施工和立。論文的主要工作及研究成果包括以下幾個方面。
  11. Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design

    根據閥門cad發展趨勢,針對成都乘風閥門有限責任公司閥門設計現狀,本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統,主要完成的工作和成果如下:根據公司提供的幾種不同結構閥門的二維工程圖紙,利用mdt三維設計平臺建立了三維參數化基本圖形庫,其中包括所有零部件和總裝配圖及二維工程圖;依照閥門設計的一般步驟設計了參數編輯器,用來對閥門尺寸參數進行編輯、輸入、輸出等,具有參數雙向同步顯示功能,使用十分靈活方便;根據用戶的需求,為了使設計達到精確、可靠、實用的要求,設計開發了輔助計算器,能自動完成閥門設計過程中所需的各種結構計算,並可以輸出閥門設計計算說明書;為了使設計人員更具有競爭力,本系統利用internet intranet技術設計開發了虛擬設計中心子塊,虛擬設計中心集成了網路會議、終端服務、級鏈接等功能,可以讓設計師直接使用服務器上的應用程序,與intranet internet上的其他設計專家進行交、共享軟資源,實現遠程協同設計。
  12. In this paper, two - dimensional and three - dimensional flow models in supersonic inlet and a simple reacting flow model in combustor and integrated flow field are established on the basis of k ? two - equation turbulence model and steady - compressible n - s equations, which are dispersed by finite volume method

    本文以定常可壓縮n - s方程作為控制方程,採用-雙方程作為湍,分別建立了聲速進氣道的二維、三維場計算和補燃室及一場的湍燃燒,並採用有限積法對控制方程進行離散。
  13. Firstly, wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model. secondly, frequency response of transfer matrix is calculated. thirdly, we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm, from which we can obtain every polynomial ’ s coefficient of model transfer function, then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm

    首先,根據擬熱網路用拉普拉斯變換推出墻的傳遞矩陣;然後,計算傳遞矩陣的頻率響應;最後,採用頻域回歸方法求出傳遞函數各次項的系數,進而通過一定的優化演算法確定的各個熱阻、熱容參數,使通過建立的多項式s -傳遞函數與墻瞬時傳熱的理論越s -傳遞函數完全等價。
  14. Based on the effective mass theory and critical state model, an anisotropic theory of critical current and ac losses for single hts tape and tape stacks were established. analytical formulae were presented to calculate critical currents and ac losses with an arbitrary angle between the wide side of hts tape and the direction of ac or dc applied fields. from the anisotropic theory of ac losses of hts sample, a numerical model to calculate ac losses of hts coil was developed

    基於臨界態與高溫的有效質量理論,建立了高溫導帶材及並聯堆疊帶材的交損耗與臨界電的各向異性理論;給出了高溫導帶材的交損耗及臨界電隨(交、直)背景磁場與導帶面夾角變化規律的理論公式;依據所建立的高溫導短樣帶材的各向異性理論公式,給出了高溫導線圈交損耗的數值計算;並利用該,計算了高溫導雙餅線圈的交損耗;並與實驗測量結果進行了比較分析。
  15. Non - oscillatory and non - free - parameters dissipative ( nnd ) finite difference scheme ( a total variation diminishing scheme ) with second order accuracy was adopted to solve the fluid dynamic equations, a finite rate chemical reaction model was developed to calculate ingredient producing rate, and an adi over relaxation iteration technique was used to solve the electromagnetic discretized equations

    採用二階精度nnd格式求解力學方程組,採用有限速率化學反應計算組分生成率,採用交替方向隱式( adi )鬆弛迭代法求解電磁場離散方程。
  16. Meanwhile, numerical computation of aerodynamics is widely applied with the progress of computer, large quantities of relative paper has been presented. but at present, the relative literature about turbulence characteristics of plural vehicles running in row and passing maneuvers is very limited. pointing to the above difficulty, in this paper, numerical computation of turbulent - velocity field is studied while a sedan exceeding a tractor - trailer truck

    本論文在對某國產轎車單車外場的擬地面邊界層、車輪轉動和側向風載荷研究基礎上,以及兩輛轎車並列行駛、同向車的穩態研究的基礎上,選取了兩種笛卡爾網格方案和四面混合網格方案,開展某國產轎車過某大運輸車的數值擬研究。
  17. According to the mathematical model and the numerical method, the cavity shape and hydrodynamic characteristics of two kinds of head shape on cavitating axisymmetric bodies at zero attack are computed in this paper. because the discretization method have effect on the convergence of the results, different kinds of discretization are employed in the partially - cavitating and super - cavitating flows

    依據建立的數學與數值方法,對兩種典的回轉頭部線(即頭部為光滑過渡曲線的回轉和頭部有突變角度的回轉)的局部空泡和空泡繞場進行了數值計算。
  18. Combining the simplified momentum equation, energy equation and state equation of compressible sticky fluid, this paper establishes the numerical model to study the heat - transfer property of the substances in super - critical waterwall tubes with the newest international water and steam standard - iapws - 97

    本文採用最新的國際水與水蒸汽標準iapws - 97 ,通過聯立求解簡化的可壓縮黏性的動量方程、能量方程和水與水蒸汽的狀態方程,建立數值研究臨界水冷壁管內工質的傳熱特性。
  19. Hence, analytical expressions are developed to allow for characterization of the vehicle ’ s dynamics early in the design cycle. the method involves a two - dimensional hypersonic aerodynamic analysis utilizing newtonian theory, coupled with a one - dimensional aero / thermo analysis of the flow in the engine of the vehicle

    方法中包括一個應用牛頓力學理論的二維的高聲速空氣動力學分析以及一個一維的氣動/熱分析,後者用於發動機中的分析。
  20. The balanceable piston theory and perfect gas model are used as building block to design tunnel, and the resulting tunnel can generate uniform flow, which can provide long experimental time with high mach number, given enthalpy and reynolds number, thus, the scramjet and ramjet aircraft can be studied in this tunnel

    採用理想的平衡活塞運行理論和完全氣,該風洞可以產生高馬赫數、一定焓值和re數、實驗時間較長的均勻動,滿足燃、亞燃現象的研究。
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