巨參數 的英文怎麼說

中文拼音 [shēnshǔ]
巨參數 英文
macroparameter
  • : Ⅰ形容詞(大; 很大) huge; tremendous; gigantic Ⅱ名詞(姓氏) a surname
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  1. Background : the objective of this study is to report diagnosis and treatment results of giant fusiform aneurysm of extracranial internal carotid artery in a child and review the relative reference to enhance the knowledge of it

    背景本文報告了一位兒童,患有頸內動脈顱外段的型梭形動脈瘤,討論了其診療經驗和相對,豐富了對它的認識。
  2. To do the investigating and studying work about the achievements of tackling key problem of the quondam exploration of front - zone of mountain, to analyze and study the applicability about the gathering technology used in the seismic exploration of the complicated construction belt of front - zone of mountainous ; 2. combining the quondam achievements, researching the design method of observation system objective of the complicated construction belt based on seismic - geology model, firstly, building the surface level and deep layer seismic - geology model of complicated construction belt and analyzing the forward model, secondly, designing the observation system aiming at the overthrust nappe structure in section and in area ; 3. aiming at the complicated earth ' s surface condition of front - zone of mountain, how to select the exciting method and the parameter, how to optimize the environment of exciting method and reception, how to pledge the normal combination of the datum of different exciting method ; 4

    根據山前帶的地震地質條件特點,本文主要研究了以下幾個方面的內容: 1 、對以往山前帶地震攻關成果開展調研工作,分析研究在山地山前復雜構造帶所採用的地震勘探採集技術的適用性; 2 、研究基於地震地質模型的復雜構造帶觀測系統目標設計方法:如何建立復雜構造帶的表層、深層地震地質模型,利用正演分析目標區的觀測系統;針對逆掩推覆體構造,如何分區分段有針對性設計觀測系統等; 3 、針對復雜地表條件的山地山前帶,如何選擇激發方式、,如何優選激發、接收環境,如何保證不同激發方式的資料能正常拼接; 4 、山前帶厚礫石區的表層結構調查技術及靜校正方法研究。
  3. In this paper, two key strategies in earthquake risk assessment and risk management for urban areas are studied. one is ground motion based vulnerability evaluation method for buildings which needs to be solved urgently in earthquake risk assessment in china. the other one is financial instruments, such as insurance, reinsurance and catastrophe bonds ( cat bonds in brief ), combined with engineering earthquake risk evaluation which must be faced in earthquake risk management after china entered wto

    本文集中研究了地震風險評估和風險管理中的兩個重要問題,一個是當前地震風險評估中急需解決的,基於地震動的房屋建築易損性評估方法;另一個是我國加入wto以後地震風險管理必然會面臨的,與工程地震風險評估密切結合的地震保險、再保險和災債券等金融手段。
  4. This paper is mainly relative to three parameters1 measurement, which are spectral irradiance, spectral radiance and colour temperature. the metrology of these parameters plays an important role in moder war

    本文主要是進行了光譜輻照度、輻亮度及光源色溫這三個的計量測試,這些的計量在現代化的戰爭中發揮著大的作用。
  5. Furthermore, this paper made staged analysis and sensitivity analysis of the factors ", including technology, market, management, capital and policy environment, impaction on the result of the valuation of the hi - tech enterprise ' s investment opportunity. the analysis result indicates that : many parameters such as the competition intensity, the time lag of investment, the investment effective - life and the riskless interest rate beside the varieties of the market supply and the market demand make great impaction on the result of the valuation of the investment opportunity of hi - tech enterprise

    在此基礎上,本文通過對技術、市場、管理、資金和政策環境等因素對高新技術企業評估結果的影響進行了階段性和敏感性分析,結果表明:除了市場供給和市場需求以外,還有競爭強度、投資的時滯、投資的有效期和無風險利率等都對投資機會價值評估結果產生大的影響。
  6. So it is very important that man realize the structure and parameter of oil reservoir clearly. it can heighten production efficiency and save a lot of money. in this thesis, some scientific research item of daqing and liaohe oil field are used as the background

    研究清晰地再現地下油藏構造形態和準確預測油藏的方法,對石油的生產有重大的實際意義,可以提高生產效益,為國家節約額的資金。
  7. The hydrology system have some characters of complicated open macro system to a certain extent, the complexity and indeterminacy of the hydrology system becomes more and more standing out with the hydrology scale changing from the microscopical to the midscopical, even to the macroscopical, which present spatial variability, differ between the unit and the system, the model re - parameterization and the different scale model coupling

    水文系統在某種程度上具有開放的復雜系統的特徵,隨著水文尺度由微觀到中觀、宏觀,水文系統的復雜性和不確定性就愈突出,表現有空間變異性、單元與系統的不一致性、模型的再化及不同尺度模型耦合等問題。
  8. Energy conservation and and reformation of power plants " heat installation affect a lot on the efficient performance of opertion of power plant. pump and fan take a large proportion in power plant and resume much electric energy. so there is much energy conservation pationlity in them. and we should have strong tools and theories " support to reform them. we can combine the theory modeling and engineering design manufacture by the bussiness software such as fluent. in order to take full advantage of the powerful function of fluent and increase absolutely its conveniece and interaction, we should develop fluent secondly. this paper puts the idea firstly demostricly to substitute the performance test of pump and fan to get the integrative system of the optimization and computer aid design, and so we can increase greatly of the efficiecy and quality of the facility reformation. the main idea about the secondary development of fluent in this paper is based on the secondary development of gambit, the modeling and meshing s oftware of fluent, and simplify the modeling and meshing of gambit. meanwile, the data management base on web browser kind is adopted for the convenience of optimization and parameterization, and the journal files createdly recently can get new medeling and meshing files that can be used by fluent. so the designer can focus on the computer scheme and the result analysis without care the fussy designing and optimiziation. so we can increase greatly the optimization efficiency

    泵與風機在電廠中占較大量比例,且消耗大量電能,節能潛力大,對其改造需要強有力的工具和理論支持,用商用cfd軟體如fluent可實現泵與風機改造中的理論模擬與工程設計製造間的結合。為了充分發揮fluent的強大功能,又能最大程度地提高其方便性與交戶性,應對其進行二次開發。本課題在國內首先提出對fluent進行二次開發,替代泵與風機性能試驗,形成一體化的優化、輔助製造系統,可大大提高設備改造的效率與質量,其主要思想是基於fluent的cad構體軟體gambit進行二次開發,簡化了泵的構體過程,同時,為了優化及化方便,採用基於webbrowser的據管理方式,生成新的記錄文件同時產生新的fluent計算能識別的圖形網格文件,這樣就將設計優化者從繁瑣的圖形設計及優化中解脫出來,專注于對計算方案的確定及計算結果的分析,極大地提高了設計優化的效率。
  9. The method of profit evaluation takes into account of the potential of profit, and become the appropriate way to evaluate technical asset in present. being optionally in acquiring the numerical value of parameters

    收益法肯定了技術資產未來的大獲利潛力,是目前適合評估技術資產的方法,考慮到現實評估中取值的隨意性,本文對收益法的技術資產壽命,折現率的選取作了分析。
  10. Adopting the plane mesh plus parameters to form automatically a large three - dimension spatial calculation mesh and adopting spatial fault calculation mesh formed by spatial arbitrary, dissection technology can solve the finite element mesh dissection in the calculation of huge underground cavern group

    採用平面網格加化平推方式自動形成大三維空間計算網格,同時採用空間任意切面技術形成空間平面斷層計算網格,解決了型地下洞室群計算的有限元網格剖分問題。
  11. These means have following defects : i. parameter controls is too simple that will fit the curve too roughly and can ’ t give the configuration and characteristic of surge curve very good ; ii. the performance curve will change a lot when working condition changes, especially when woring temperature changes ; iii. choking area will bring huge waste and is an area that the system oughts to avoid, but we haven ’ t corresponding methods to watch and control it in the domestic till now

    這些措施具有以下缺點: 1 、控制過于簡單,對曲線的擬合過于粗糙,不能很好的反映喘振曲線的形態和特點; 2 、當工作條件變化時,特別是工作溫度有所變化時,性能曲線會發生很大變化; 3 、阻塞區會造成大的浪費,也是系統該避免的區域,可是目前國內還沒有相應措施來監控它。
  12. Considering the compactness characteristics of dissolved gas analysis data, the achieved samples are pre - selected with the fuzzy c - means clustering method to solve the problem of long time consuming in parameter determination, thus a certain model extension ability is enhanced

    考慮到變壓器油中溶解氣體特徵空間的緊致性原理,利用模糊c均值聚類演算法對所獲取的樣本進行預選取,有效地解決了確定模型時耗時大的問題,並一定程度提高了模型的推廣能力。
  13. This paper uses of the actual mechanics form, cantilever bending stiffness is adopted in the mega structure, however shearing stiffness in the sub structure. based on the complex mode theory, this paper gains the expression of dynamical response of the system based the model of municipal no. l building of tokyo city and analyses the affection of the main parameters ( stiffness and damping ) on the two configurations ( sustaining type and hang type ). the results indicate that the rational stiffness of the sub structure can control the deformation of the mega structure perfectly, but the acceleration of the sub structure increases at the same time

    本文採用了更接近實際的力學模型,主結構採用彎曲剛度,子結構採用剪切剛度,利用隨機振動復模態理論,推導了型框架減振結構的動力響應表達式,並以日本東京市政一號樓為基本模型,討論了型框架減振結構兩種結構形式(座承式和懸掛式)的主要(剛度和阻尼)對減振效果的影響,結果表明:與普通型框架結構相比,減振結構通過合理選擇子結構剛度,可以較好的控制主結構在順風向脈動風作用下的位移響應,從而提高結構的安全性,但與此同時,子結構自身的加速度響應也有了一定程度的提高。
  14. At the meantime, the rock mass may alternate between loading and unloading and it exists in certain kind of liquid, such as surface water, unconfined water, confined water etc for its intrinsic crannies. the practical rock mass concerned project must solve the key stability pr oblem after the understanding of the complicated mechanical characteristic and the deformation trends to guide the following project design and construction for the demand of security, economy, feasibility and validity. however, the intrinsic nonlinearness and complexity of the engineering rock mass become the main difficulty to predict the stability and deformation, the corresponding structure design must ensure enough safety with all the determinate or random force combination, so a model without the geometry distortion and constitutive equation warp is necessary to be built for the quantificational analysis of practical structure ' s stress, for the simulation of the real process and for the determinate evaluation system and optimization

    由於實際工程巖體其固有的非線性和復雜性,使得求解對應的諸如其穩定性、變形等問題面臨較大的困難,而有關的工程結構的設計必須保證該結構在外來因素的作用下具有足夠的安全度、經濟性和合理性,這必然要求對巖體及其工程結構的受力與變形有一套量化評判體系和優化技術,抓住實際工程問題的本質特徵並建立可行的符合幾何模擬、本構模擬、受力模擬、過程模擬四原則的求解模型,通過該模型的值模擬成果來指導巖體工程的設計、施工及運營、管理;而巖體結構面的存在使得基於傳統連續介質力學理論的理論分析和值模擬面臨大的挑戰,物理模擬的試驗周期和成本也大大增加,而巖土體工程問題則成為典型的據有限、了解程度有限類問題,這類問題的解決需要綜合應用理論分析、經驗判斷、物理模擬和值模擬等方法,值模擬可以完成目前許多技術手段無法完成的實驗,如控制,復雜條件下的邊界條件的處理,同時值模擬具有高可重復性,且值模擬的成本和人力開銷等遠低於物理模擬,因此研究巖土體工程問題的流形元值模擬方法是一項具有理論和實際工程應用價值的重要課題。
  15. However, as the mle requires obtaining the parameters of the high order non - linear likelihood function when it reaches the global maximum, this makes the mle approach has very huge calculation burden

    但是,由於最大似然方法需要求解一個高度非線性函在取得最大值時的,使得該方法的計算量是十分大的。
  16. Based on the phenomenon, this paper introduces the multiple mega - sub controlled frame and its step design method, it can be generalized as the following approach : first, we look for the optimal stiffness of the sub structure to control the deformation of the mega structure under the wind load. second, we optimize the parameters of the turned mass damper ( tmd ) which are installed in the sub structure to have the acceleration be controlled, and then we realize the overall objective. at last this paper uses the ecpm method to optimize the parameters of tmd and utilize simulink to simulate the dynamical response

    本文利用等效最優理論( ecpm )對tmd的進行了優化,利用simulink對復合結構進行了動態模擬,結果表明:附加安裝在子結構上的tmd並不會對主結構的動態特性產生大的影響,復合結構和減振結構一樣都可以較好的控制主結構位移響應,而且復合結構經優化后的tmd還較好的控制了子結構加速度響應,所以復合結構體系既可以提高結構的安全性,又可以滿足舒適度的要求,從而證明了本文提出的型框架復合減振結構是一種理想的超高層建築結構形式,其將具有廣闊的發展前景。
  17. Although probability distribution is involved in mente carlo ( mc ) analysis and model is independent, yet the interactions between factors are available uneasily and much is cost. such problems are not difficult for sobol " and fast

    全局法蒙特卡羅方法雖然考慮了的概率分佈,並且與模型無關,但是計算量大,之間的交叉作用不易求得。
  18. Secondly, a non - linear mapping function from multiple inputs ( design variables ) to output ( maximum dynamic stress ) is constructed within bp neural networks, in order to obtain the constraint function values that are necessary in optimum design of structures using genetic algorithms and get the optimum solutions. the generation ability of the bp network after training can be used to replace the calculation of fem, which makes the constrained optimization to be possible

    其次,由於動應力的有限元法計算過程復雜,計算量大,在應用優化演算法時,需要反復計算,為了使優化過程可行,設計了bp神經網路,利用有限元計算的樣本據建立起結構設計(輸入)與動應力(輸出)的非線性映射關系,從而代替有限元法,快速計算結構動應力。
  19. Since dtc has been developed for nearly 20 years as a ac drive technology, it has become the most popular technology in the field of ac drive for its advantages of direct control, short adjusting time and unsensitive with the motor parameters

    而在電機控制技術方面,直接轉矩控製作為近年來新發展起來的一種電機控制方法,已顯示大的優越性,具有控制思想直接、反應快速、受電機影響小的優點,成為目前研究的熱點。
  20. This paper firstly introduced the significance of power - parameter detecting in power system, development survey of international and domestic rtu and feature comparison and analysis of some usual field - bus. using lonworks field - bus technology in power automation has huge advantage and will be a mainstream

    本文首先綜述了電力系統中電力檢測的意義、國內外遠動裝置的發展概況並對目前常用的一些現場總線特別是lonworks現場總線的性能進行比較和分析,指出將lonworks現場總線技術應用於電力自動化有其大的優勢,而且將成為發展的主流。
分享友人