模量比 的英文怎麼說

中文拼音 [liáng]
模量比 英文
modular ratio
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 量比 : fnc
  1. The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm

    以胸高斷面積代替種群生物,分別採用logistic常規型及劉金福提出的logistic改進型對南方紅豆杉種群的增長動態進行研究,運用改進單純形法對型進行優化,擬合結果表明改進logistic常規型更符合南方紅豆杉種群的增長趨勢,南方紅豆杉種群的最大增長速度出現在第10齡級,即胸徑為68 76cm時期。
  2. Also a refined - pulp quality predictive model, with specific energy, specific load as the model inputs, and beating degree, wet weight as the model outputs, is presented. simulation results show that the models can be acted as theoretical bases for the automatic control of high - consistence pulp refining process

    即,建立了以原漿流、白水流、盤磨機功率為輸入變負荷、濃縮機漿位為輸出變的動態型,以及基於負荷的成漿質預報型。
  3. The derived dry bulk modulus must be positive and greater than 2 / 3 of shear modulus to insure a positive lame constant and poisson ' s ratio

    提取的乾燥體變必須為正,並且大於剪切的2 / 3 ,以保證拉梅常數和泊松為正。
  4. Firstly, second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable. secondly, the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network, that is to say, adding last variational effect of weight value and bias value to this time and making use of variable learning rate. at the same time, this method also adopts dynamic form in the number of hidden floor node

    首先,文中將三相變壓器兩相涌流差流的二次諧波含和間斷角作為網路的輸入變;其次,利用對原有bp網路訓練演算法基礎上的改進型演算法(即在計算本次權值和閾值的變化時增加上一次權值和閾值變化的影響以及採用變學習率,與此同時隱含層神經元個數採用動態形式) ,通過樣本訓練使網路結構型達到最優。
  5. Considering the special structure of multi - ribbed slab, founding diphase body mechanical model of compound material, strengthening rib beam and rib pillar by equivalent volume ratio of concrete and slice brick, the paper drew elastic compution constant and shear constant. based on the things, the paper simplified isotropy compution model to wall, gave practical design formula of elastic mold and shear mold, provided necessary parameter for practical design formula of elastic rigidity. finally the calculating results agree well with the text results

    結合密肋復合墻板的特殊構造,建立墻板的復合材料二相體力學型,按照混凝土與砌塊體積不變原則對肋梁肋柱同時加強,得出墻板的彈性計算常數及剪切常數,在此基礎上,進一步將墻板簡化為各向同性的計算型,給出墻板彈性及剪切實用計算公式,為密肋復合墻板的實用彈性剛度計算公式提供必要的參數。
  6. The simulation results of sfvc is compared to the foc ' s and verified the conclusion just mentioned

    文中應用matlab simulink構造了該系統並和經典矢控制系統作了較。
  7. 4. feedback or measuring signal transmit output ma v pvout pvout output signal transmit output to forestage regulator or dcs system, makes system can monitor actual valve position or field measured value at any moment

    後者將數字儀表與擬儀表集一體,同時對測值及調節控制目標值或輸出進行相對例顯示,使參數顯示更為清晰直觀。
  8. Then displacement fields are researched via the finite element model that accords with actual process of jacked pile. and the effects of displacement fields caused by difference modulus ratio, friction between pile and soil, possion ration of soil and soil index of c and are put forward

    接著建立了能夠擬沉樁連續貫入的有限元型,利用該有限元型分析了樁土模量比、樁土界面接觸剛度、樁土界面摩擦、泊松以及土體的c和指標等因素對沉樁擠土效應的影響。
  9. On the basis of relative researches in the world, according to the study status of steel - concrete composite slab, which would be widely used in modern bridge, modified equivalent inflexibility of steel - concrete composite slab was deduced by use of conversion section principle in this paper ; based in this, this paper put forwards the theory of ultimate flexural capacity of steel - concrete composite slab in consideration of slip effect, and introduces the practical simplified method for calculating flexural deformation of steel - concrete composite slab in consideration of the effect of steel studs and welded wire, and conclude that the methods in this paper is veracious and reliable, comparing with the traditional calculating mode ; morever, this paper put forwards the calculating theory and program of the effect analysis of creep and shrinkage to steel - concrete composite slab, using conversion elastic modulus principle, and testifies that the theory is right and the program is reliable and practical

    本文在國內外研究成果的基礎上,針對壓型鋼板與混凝土組合板結構在現代橋梁建設中廣泛應用前景和研究現狀,利用換算截面法導出了壓型鋼板與混凝土組合板結構的修正等效慣性矩;在此基礎上,又推出了考慮壓型鋼板與混凝土之間的相對粘結滑移影響的壓型鋼板與混凝土組合板結構極限抗彎承載能力計算理論,並介紹了考慮栓釘、聯結件影響的壓型鋼板與混凝土組合板結構簡化實用撓曲變形計算公式,而且通過與傳統計算理論的分析較,表明本文提出的計算理論公式的準確可靠性;此外,採用換算彈性模量比法著重提出了壓型鋼板與混凝土組合板結構的徐變、收縮效應分析的計算理論和程序,並通過實例分析計算證明了理論的正確性、程序的可靠性和實用性。
  10. Meanwhile, dynamic responses at pile head are investigated. it is sh own that the effects of pile slenderness, bearing stiffness of pile toe and the pile - soil modulus ratio on pile impedance are major whereas the ones of the permeability and the soil reaction coefficient are minor

    對影響樁振動特性的主要因素進行了分析,結果表明,長徑、樁土模量比及樁底支承系數對樁的動力響應影響顯著,而滲透系數作為飽和土的一個重要參數,由於荷載作用時間問題,對樁的動力響應影響較小。
  11. In this paper, a three dimensional finite element analysis has been used to analyse the loading stress of utw pavement. the critical loading position of utw plate and the rules of the effect of the joint spacing of plate, the thickness of overlay, ec / es and the interface conditions between concrete overlay and existing ac on the stress are provided

    本文採用三維有限元法分析了utw路面荷載應力,確定了路面板的臨界荷位,得出了板接縫間距、厚度、板與地基模量比( ec es )和層間接觸狀況對應力的影響規律。
  12. The influences of soil structure, confining pressure and strain amplitude on dynamic properties of recently deposited soils of nanjing and its surrounding areas are discussed. furthermore, based on test results and theoretical analysis, the averaging curves, recommended values and envelopes of dynamic shear modulus ratio ggmax and damping ratio versus dynamic strain for recently deposited soils of nanjing and its surrounding areas are presented. by use of vibration triaxial apparatus, nanjing silty clay and fine sand interbedded strata and nanjing fine sand were tested and their test results are discussed

    通過自振柱試驗,探討了土的結構性、有效圍壓和應變幅值大小對動荷載作用下南京及其鄰近地區新近沉積土的動剪切、阻尼和應力?應變關系的影響;通過試驗和理論分析,給出了南京及其鄰近地區的粘土、淤泥質粉質粘土、粉質粘土、粉質粘土與粉砂互層土、粉土以及砂土等六類新近沉積土中典型土類的動剪切模量比和阻尼隨剪應變幅值變化的平均曲線、包絡線和推薦值。
  13. The foundation of baise gravity dam has bad geological phenomena such as high elastic modulus ratio, joint fissures and large faults etc., so stability of baise gravity dam is the essential technical problem to project ' s success

    百色重力壩地質條件復雜,地基巖體具有高模量比、節理裂隙發育等不良地質現象。百色重力壩的穩定性是事關工程成敗的關鍵技術問題。
  14. Associating example, the influence factors of the stress ratio of pile and soil are discussed, especially the replacement rate, the modular ratio of pile and soil, deformation modular of gravel pile, reyleigh wave velocity of soil between piles are given more effort

    文章結合實例對樁土應力的影響因素進行了討論,並重點分析了置換率、樁土模量比、碎石樁變形、樁間土瑞雷波速對樁土應力的影響。
  15. And then, using the ansys program and predigesting the pile - balsa foundation to plane strain problem, some main parameters ( foundation stiffness, pile soil module ratio, replacement ratio, etc ) were calculated to analyze the influence to stress field and deformation field in soil

    其次利用ansys有限元程序,將復合樁基近似簡化為平面應變問題。分析了基礎剛度、樁土模量比、置換率等對地基中應力場和位移場分佈的影響。
  16. Firstly, the theory of compound foundation and pile foundation are summarized in this paper. the finite element, displacement models and computational program are introduced, then how such factors as the stiffness of pile, the ratio of length and radius of the pile & replacement ratio influence the settlement of compound foundation are analyzed. there has the best modulus of pile, the best of the length & replacement ratio and some data have been obtained

    首先總結了復合地基和樁基的理論和設計計算方法,對有限單元和位移式以及有限元計算程序進行了介紹,然後分析了樁的剛度、長徑、置換率等因素對復合地基沉降的影響,證實了帶承臺復合地基存在最佳樁土模量比、最佳長徑和最佳置換率,並得出了相應的數值可供工程實踐參考。
  17. The dynamical parameter was regarded as evaluation guideline, and through investigating the change characteristic of the basin and modulus under different destroy boards, different area and different level loads, the identify methods of the pavement bursted have been given and we advise to use synthesize modulus ratio to evaluate the pass - loads capacity of the joints. we have also discussed the influence of different level loads to the joints pass - loads capability, and confirmed the commonness and oneness of the influence of the pass - loads and bursted to the basin and modulus under the critical loads, and the range of the critical loads was also given. basing on the determination of the pass - loads a

    以動態參數作為評價指標,通過研討不同破壞板的不同區域,在不同等級荷載作用下彎沉、的變化特性,提出了路面脫空識別辦法以及利用綜合模量比來評價接縫傳荷能力的思想,探討了不同等級荷載對接縫傳荷能力的影響特性,確定了臨界荷載下傳荷與脫空對彎沉、影響的共性和單一性,並確定了臨界荷載的范圍,在判定脫空和傳荷基礎上提出了水泥混凝土路面的壓漿效果的評價方法,通過研討荷載與動態的關系,對地基的動態性能進行了系統的分析與評價。
  18. As a result, the young ' s modulus of the composites decreased a little during the heating process, which indicated that ceramics were thermal stable. on the other hand, it decreased from ~ 280gpa to ~ 220gpa as ni - fe content was increased from 0 to 19vol. %. this is reasonable considering that the young ' s modulus of ni - fe is much lower than the matrix

    結果顯示,材料的楊氏隨溫度的升高而不斷減小,但減小的幅度很小,表明陶瓷材料穩定性很好;不同復合材料的楊氏隨ni - fe含增加自280gpa減小到220gpa ,這應該是因為ni - fe合金的楊氏模量比基體氧化鋁的要小的緣故。
  19. Using matlab, the step response characteristics of the valve in the elevator system is simulated, comparing the effect of its performance with different structure parameters of the pipe rupture valve, such as hydraulic resistance, diameter of the valve, and spring rigidity, and comparing the valve ' s dynamic performance under different operating conditions, such as environment temperatures, number of passengers, and emergencies of the hydraulic system, so the paper offers a general and systematic analysis for the pipe rupture valve of the elevator system

    另外,在液壓電梯不同的工況下,對該閥的動態性能進行了擬對研究,如不同環境溫度、不同乘客人數、不同液壓系統意外,以及不同的油液體積彈性較全面系統的分析了限速切斷閥在電梯系統中的性能,根據這些擬結果,可以分析該閥正常工作的工況要求和環境要求。
  20. Therefore, the solution of the problem can be reduced to a seri es of algebraic equations and solved numerically by truncating the finite terms of the infinite algebraic equations. finally, given two kinds of incident wave and different dimensionless parameters, numerical examples are provided to show the influence of wave number, shear modulus, thickness and distance between the center of the cavity and ground surface upon the dynamic stress concentration by incident steady sh - wave

    最後作為算例,給出了第一類和第二類兩種不同的sh波入射方式對襯砌的散射,並選取了兩種無綱參數值,得出了圓形襯砌對sh波散射的數值結果,討論了不同的波數、彈性模量比、厚度以及不同的圓形襯砌中心到水平地面距離與襯砌內半徑的值對動應力集中系數的影響。
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