等比模型 的英文怎麼說

中文拼音 [děngxíng]
等比模型 英文
undistorted model
  • : 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...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • 等比 : ratio of equality; equal ratio等比級數 geometric progression; geometric series; 等比生長 [生物學]...
  • 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. 3. the mathematical model for heat and mass transfer in the adsorbent bed is established, the porous of adsorbent, the flow of adsorbate in adsorbent, the characteristic of non - equilibrium adsorption are combined in the model, and a more accurate model of fluid flow in porous media - ergun model is adopted

    它綜合考慮了吸附劑的多孔介質結構,吸附質氣體在吸附劑內的流動,吸附的非平衡特性,並且在吸附質氣體流動的選擇上,採用了ergun多孔介質流動常規的數學更全面準確地描述了吸附床傳熱傳質的動態特性。
  2. Chapter 2 and chapter 3 analyzed the change of world honey production and trade, the distribution of apiculture production and trade structure of international honey market. linear increase model and the method of " revealed " comparative advantage was adopted respectively in forecasting world honey output and comparing competitive ability of main honey export countries

    第二章和第三章實證分析了世界蜂蜜總產量與貿易量的變遷,世界蜂業的產地分佈和世界蜂蜜市場的貿易結構,採用線性增長對世界蜂蜜總產量進行了定量預測,採用「顯示」較優勢法方法對主要蜂蜜出口國的競爭力進行了較。
  3. The essential aspect of the mathematic model for inductor is the description of the hysteresis loops of the magnetic core material. the jiles - atherton ferromagnetic theory combined with the experience formula proposed by h. g. brachtendorf, c. eck and r. laur, was applied in this case. the model is more flexible than jiles - atherton ’ s, especially in the circuit model convert

    本文採用了由h . g . brachtendorf 、 c . eck 、 r . laur提出的經驗公式與jiles - atherton鐵磁磁滯理論相結合的修改新數學,並將該轉換為效電路擬磁滯特性,實驗結果表明,該jiles - atherton靈活,利於轉換為宏觀電路
  4. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個優點。
  5. Calculations of the density of alloys based on bernal - type models of the alloys metal component agreed fairly well with the experimentally determined values from measurements on alloys consisting of a noble metal together with a metalloid, such as alloys of palladium and silicon, or alloys consisting of iron, phosphorus, and carbon, although small discrepancies remained

    對于合金密度的計算,以伯納爾建立的金屬為基礎的計算,很大程度上同於實驗中測量的結果,測量是針對于貴重金屬和非金屬的合金,如說,鈀和硅的合金,或者由鐵、磷、和碳組成的合金,盡管還存在一些小的差異。
  6. Results contrast with the unimproved or some previous models, the features of tumor microvascular networks generated from our model by simulating the angiogenesis in caecum tumor, such as vascular tortuosity, branching and anastomosis, are closer to the physiological facts and more resemble the experimental observations

    結果對盲腸腫瘤微血管網進行數值擬,與改進前的和其他較,本生成的腫瘤微血管網結構特徵,如血管的走向、扭曲、分叉與融合,更接近生理實際,與實驗觀測圖像的相似度更高。
  7. The conclusion is : multiobjective programming and fuzzy programming are superior to the traditional markowitz model, compart : s the dynamic models with the static models, the former can reponse more soon to the wave of the stock price, so we can adjust period by period based on the dynamic models

    本文得出的結論是:多目標規劃及糊規劃方法優于傳統的馬柯維茨,在實證檢驗中表現出更高的投資效率,動態的與靜態的,能更快地對股價波動作出反應,可進行逐期調整。
  8. The research of the thesis shows : optimize theory describes and makes the target as model, array, level, and deals with every scheme that determines the nature and quantitative factor chosen in unison that appraised, its result is objective, true, reliable, can plan making policy to offer scientific basis finally of overall arrangement for the route of the highway ; the fuzzy comprehensive evaluation assessment is simple, clear, practical, can make more factors participated in judging, and overcome the subjective and random that existed when chosen the route scheme ; level analytic approach promises high grade highway route overall arrangement scheme judge and carries out the tr ansition to from single factor index multifactor synthesis of index judge, and the result is convincible

    論文研究表明:優化理論將描述與評價的對象化、序列化、層次化,並統一處理各方案選中的定性與定量因素,其結果客觀、真實、可靠,能為公路路線規劃布局的最終決策提供科學依據;糊綜合評判方法簡單、清晰、實用,能使更多的因素參與評判,克服了路線方案選擇時存在的主觀隨意性;層次分析法做到高級公路路線布局方案由單因素指標評判過渡到多因素指標的綜合評判,結果具有說服力。
  9. It is the key of ebfs, therefore, furthermore calculation about link are carried out in this thesis, introduced achieved research, summarized the affect of link on whole capability in the first, the second, numerical calculation are proceeded on link with ansys : with the purpose of discussing yielding mode critical length of link, established five different specimens ; with the purpose of discussing the influence of h / tw of web, b / tf of flange and h / b, established eighteen different specimens ; with the purpose of discussing the affect of stiffener, established four different specimens, and elaborated the affect of stiffener on link based on achieved test researches

    因此,本文對耗能梁段進行進一步計算分析,概述耗能梁段對整體性能的影響,並利用有限元程序ansys對耗能梁段進行數值計算:針對耗能梁段的屈服類建立5種不同長度的,計算討論耗能梁段屈服類的長度劃分;針對耗能梁段腹板高厚、翼緣寬厚以及梁段截面形狀因素共建立了18種進行計算分析;針對加勁肋對耗能梁段的作用建立了4種,並結合已有的試驗闡述了加勁肋對耗能梁段的影響。
  10. Based on projective geometry, the research works about 3d invariance ' s extraction and application have been done in this thesis as following : ( 1 ) the basic theories and concepts in projective geometry are systematically summarized. it includes : the camera models of perspective imaging, projective collineation, cross ratio, a simple compare about invariance ( invariant ) among some geometry transformations, fundamental matrix, epipolar and epipolar line in epipolar geometry, and so on. ( 2 ) the calculation methods for 2d projective transformation are extended from points to multi - element, which includes points, lines, points lines and so on, to get the relationship between two projective planes

    基於射影幾何理論,論文圍繞3d不變特徵的提取和應用進行了如下的研究工作: ( 1 )系統總結了射影幾何中的若干基礎概念,包括:透視成像的相機、射影對應、交不變量、基於不同幾何變換下的不變量的簡單對、對極幾何中的基礎矩陣、對極點、對極線
  11. The model contains nose rail, wing rail, locking hooks and all relative components. the crossties are simplified as elastic foundations. thus, the model reveals the real working state of the locking hooks

    論文中採用的計算包括心軌、翼軌、鎖閉鉤幾乎所有的相關部件,沒有建的枕木及地基也做了相應的簡化處理,並引入到了邊界條件中,較真實地反映了鎖閉鉤的真實受力狀態。
  12. At the end, basing on comparative model, using depth - first search strategy and special arithmetic in the principle of mathematical equipollence, ides can auto distinguish the subject after comparing key steps and answering steps of student

    基於,採用深度優先的控制策略,採用特定演算法,按照數學意義上價的原則,對關鍵步驟和學生解答進行較識別,從而實現自動批改功能。
  13. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition , although there exists soil - structure interaction , the foundation soil vibration is dominant in other words , analysis of earthquake response of the soil is essential to this end , simplified models , ( i. e equivalent mass system models based on some equivalence criteria ) are proposed , instead of a general 3 - d continuum model in this study , equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道一般可看作彈性地基梁進行靜力及動力分析在地震條件下,結構與土相互作用,但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理,簡化成為效多質點本文著重探討這種簡化的建立方法,推導效方程,通過幾種簡化體系的分析較,論證單質點串體系的合理性,並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析,為抗震設計提供依據
  14. In this dissertation we make a study of subliminal channels that conclude the progress, the application, the model, the construction, the stego - key, the capacity, the security, the way to realize subliminal - freeness, and so on

    本文對閾下通道技術進行了較全面的總結和研究,包括閾下通道的發展狀況,應用前景,閾下通道的,構造方法,隱匿密鑰,容量,安全性以及封閉方法
  15. On the basis of theories of discriminational skill, physical model and learning strategy and the requirement to identify and found physical model correctly and use the method of physical model proficiently, this paper discusses the discriminational skill of students theoretically when they learn establish physical model. based on the theory of the method of physical model and the theory of the knowledge about strategy, it illuminates the essentiality of training students the discriminational skill theoretically when they learn establishing physical model and the feasibility of teaching students correlative knowledge about strategy, it bring forwards the actualizing principle. teaching model, steps, several frondose strategies and things we should pay attention to. in teaching experiment, it studies and compares the traditional teaching of establishing physical model with the method in this paper. finally, it summarizes the effects and brings forward correlative teaching advises

    本文在辨別技能、物理和策略學習理論的基礎上,並根據在解決物理問題時正確識別、建立物理、熟練使用方法是學生應該具備的基本物理素質的要求,對物理建學習中學生的辨別技能作了理論探討,闡明了在物理建教學中培養學生辨別技能的重要性和對學生的建學習中相關的策略性知識的教學的可行性,提出了物理建教學中培養學生辨別技能的實施原則、教學、步驟和幾個具體的策略以及注意事項,然後進行教學實驗,將傳統的建教學和本文中的建教學進行對研究,最後總結了其效果,提出了相應的教學建議。
  16. This paper based on the principle of having the underwater explosion as a interference source to make the guidance system of torpedos failure, and according to the similarity theory to equivalent the real situation into test model, and analysis the damage and the influence of the torpedo self - guided system of the test model

    論文文摘本文基於水下爆炸作為干擾源使魚雷制導系統失靈的原理,應用相似理論,將實際情況效縮為試驗,分析該在水下爆炸作用下的破壞情況以及對魚雷自導系統的影響。
  17. First, the paper researchs the spice simulation of single electron transistor based on curve approach and quasi - analytical model of single electron transisor, and simulate characteristic of single electon transistor with matlab tool. secondly, the paper combine spice simulation program with master equation of single electron transistor, put forward novel spice simulation method of single electron transistor based on master equation, by choose master state of single electron transistor and build master equation of single electron transistor, afterward gain nonlinear cortrolled source of spice model of single electron transistor by solve the master equation of single electron transistor and simulate v - i characteristic of single electon transistor by spice program, it ’ s result prove the method is availability precision comparing with master equation method

    然後在此基礎上提出了基於主方程法單電子晶體管spice擬新方法,本論文結合當前電路擬軟體spice程序和單電子晶體管主方程擬演算法,通過選擇單電子島電子數的主要狀態,建立單電子晶體管主方程,然後求解主方程,求得單電子晶體管spice的受控源的非線性函數,然後利用集成電路輔助分析軟體spice的abm (擬行為建)建立單電子晶體管( set ) spice,利用set的對單電子晶體管v - i特性進行擬,實驗證明此方法與直接解主方程法相具有一定的精度。
  18. The test results indicated that : crack similitude of reinforced concrete simple beams is not equal to model scale under the working load ; when the amount and surface shape of reinforcing bar are same, the similitude of crack width, crack amount and crack spacing of reinforced concrete simple beams of different scales are all nearly equal to the square root of model scale ; when the amount and surface shape of reinforcing bar are different, the similitude of crack amount and crack spacing are still nearly equal to, whereas the crack width is not only approximately proportional to, but the influence of the amount and surface shape of reinforcing bar on crack width should be considered also at the same time

    試驗結果表明:在使用荷載下,鋼筋混凝土簡支梁的裂縫相似率並不於幾何相似;當鋼筋根數及形式相同時,不同尺下的鋼筋混凝土簡支梁的裂縫寬度、裂縫條數及裂縫間距的相似率,均約幾何相似的平方根;當鋼筋根數及形式不同時,裂縫條數及裂縫間距的相似率仍然約於,而裂縫寬度的相似率近似與成正,但應同時考慮鋼筋根數與鋼筋表面形狀對裂縫寬度相似率的影響。
  19. Abstract : this paper proposes a comprehensive assessment system, analys es a method for grade division of assessment index and a corresponding relation between the grades and the quantificati on of assessment index, and studies the method of interval marking and the mode o f dual order comparing to describe quantitatively the inspection information of dam safety

    文摘:建立了一個大壩安全巡視檢查結果綜合評價指標體系,分析了評價指標的評價級劃分及其與量化結果的對應關系,研究了定量描述大壩安全巡視檢查結果的區間評分法和二元有序對
  20. The main conclusions are as follows : through the different structure and algorithm application of bp model in the predication of regional groundwater hydrology, the hidden layers number, learning rates, neuron number of hidden layer and training errors of bp model and accelerated bp algorithm which influence the convergence effects and test results of model are compared each other. some application technology related parameters of bp structure design are put forward

    論文取得了以下主要成果:通過不同bp網路結構和演算法在區域地下水文預測中的實例研究,重點較了不同層次結構、隱層單元數、學習速率、訓練收斂誤差4個基本要素及不同演算法、不同樣本容量收斂效果、擬、檢驗與預報結果的具體影響。
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