curvature effect 中文意思是什麼

curvature effect 解釋
曲率效應
  • curvature : n. 1. 彎曲(部分)。2. 【數學】曲率,曲度。
  • effect : n 1 結果。2 效能,效果,效力,效應,作用,功效;影響。3 感觸,印象;外觀,現象。4 旨趣,意義。5 ...
  1. The effect of the support at the crest introduces in particular an inversion of the normal curvature of a free cantilever in free deformation.

    特別是壩頂支承作用使一個自由懸臂梁的變形曲線。
  2. Further more, this algorithm also provides the criterion distinguishing edge inflexion and sleek curve section and the method computing inaccurately curvature radius and approximate perimeter. the paper also introduces the use method with cell edge hollow repairing and overlap or conglutination cell segmentation. for example, this algorithm has proved high - speed and has a good effect of cell segmentation on more than twenty groups of conglutinate and absent cells which are gathered from three kinds of cells

    同時給出了利用這些參數判別邊界角點,邊界光滑段的判據,以及估算曲率半徑,等效周長的方法;最後,以細胞邊界凹陷的修補和重疊細胞粘連的分割為例驗證了演算法的可行性,該演算法在採集到的30餘組粘連和缺損細胞上進行了驗證,結果表明,該演算法處理速度快,分割效果良好。
  3. Such curvature has no effect on wettability.

    這種曲度對潤濕性並無影響。
  4. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  5. The economical optimization and safety optimization for baihetan double - curvature arch dam are carried out, and the results show the optimization effect is notable

    並對白鶴灘雙曲拱壩進行了經濟型體型和安全型體型的優化,且優化效果顯著。
  6. Effect of pars plana vitrectomy on corneal curvature

    玻璃體切除術對角膜形態的影響
  7. The study showed that the effect of surface tension induced by the nanosize curvature of critical nuclei could drive metastable phase region of diamond nucleation in carbon diagram into stable phase region, consequently, for both of homogenous and heterogeneous nucleation processes, diamond nucleation would be prior to graphite nucleation in competing growth of diamond and graphite upon chemical vapor deposition ( cvd )

    研究表明,建立在碳的平衡相圖基礎上,在納米尺寸的金剛石臨界核的曲率誘導下的表面張力效應將金剛石成核的亞穩相區推進到穩定相區,因此無論對于金剛石的均勻氣相成核還是異質成核,在金剛石和石墨的競爭生長中,金剛石成核均優先於石墨成核。
  8. The effect of different depth crackle to curvature mode was stood out as an emphasis

    文中重點突出了深度不同的裂紋對曲率模態的影響。
  9. 6 ), the process that h20 is adsorbed on the electrode surface and the hydroxyl group is formed to oxidize the co may be the rate - determining step ; in the region iil ( logi > l. 6 ), all of the tafel curves show a curvature until the current densities reach the peak value, indicative of a possible limiting current. the effect of rare earth elements on methanol electro - oxidation has not been reported in literatures

    在低極化區( logi 1 . 3 ) ,甲醇發生脫氫反應並形成反應中間體,其中co成為未被氧化的毒物,此過程成為速率限制步驟;在更高的極化區( 1 . 3 logi 1 . 6 ) , h _ 2o吸附在電極表面並解離生成[ oh ] ,促進了co的氧化,此為此階段速率控制步驟:在第3個極化區( 10gi 1 . 6 ) , tafel曲線發生彎曲,電流密度也最終達到峰值。
  10. It ' s the first time clearly and systematically to present the concepts of restraint influence coefficient of steel to strain increment, to curvature increment and to deflection increment due to creep which are different each other. theoretical formulae are established, and approximate formulae are also obtained while considering the characteristics of common - used concrete and ambient condition of real bridges in china. so, an approximate restraint influence coefficient method to analyze the effect due to creep and shrinkage in pc bridges is put forward, and the equations to estimate second - force due to creep considering influence of steel in system - transferred continuous pc bridges is also established

    本文首次清晰而系統地提出了鋼筋對徐變的不同效應(徐變應變、徐變曲率、徐變上拱)約束影響系數的概念,建立了相應的計算式;結合我國普遍採用的混凝土的徐變特性和橋梁的構造特點及工作中南大學博士學位論文摘要環境特徵,給出了具有較高計算精度的實用計算式;在此基礎上,建立了橋梁徐變效應近似分析的鋼筋約束影響系數法,並推導出了考慮鋼筋影響的超靜定梁徐變次內力的近似計算式,可方便地應用於橋梁研究和設計中。
  11. In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll

    研究表明:在某些頻率范圍內相關水動力系數基本不隨吃水變化,只有超過某一頻率后水動力系數的值才會出現差異;在橫搖方向,水動力系數並沒有隨著吃水的變化發生規則變化,而是出現了波動現象;近船首剖面的水動力系數計算表明,水動力系數的波動非常大,並遠遠偏離了平均位置的水動力系數值,值的變化速率也不盡相同,總的看來,上振幅曲線曲率較大,變化較快,下振幅曲線曲率較小,變化較慢;外飄力和波面運動的速度的平方項有關,導致其振動頻率和相應運動方向的頻率不同;外飄力使升沉向下運動的幅值減小;船速對三個計算量的峰值影響甚微,但對振動頻率有明顯影響;波幅對船舶運動的影響是明顯的,船舶運動的幅值基本上和波幅成線性關系。
  12. For different f, the effect of curvature and torsion on the flow structure, temperature distribution, the friction factor and nusselt number

    不同的f下撓率和曲率對流動結構、摩擦系數和nusslt數的影響不同。
  13. Curvature of earth effect

    地球曲率效應
  14. In the layout design of the power device, a circular structure was adopted to avoid the spherical junction and reduce the curvature effect

    該功率器件的版圖設計為圓形結構,避免了球面結的形成,有效的降低了曲率效應造成的電場集中。
  15. Based on the progressed stress - strain relation of cfrp - confined concrete, a calculating moment - curvature relationship program is presented ; the moment - curvature relationship of cfrp - confined rectangular rc columns was nonlinearly analyzed. the effect of parameters including axial compression ratio, layers of cfrp on the ultimate strength, curvature ductility is discussed

    在此基礎上,編制彎矩-曲率計算程序,對受約束柱截面的彎矩-曲率關系進行了非線性分析,分析了軸壓比、包裹碳纖維布層數對約束后截面承載力和曲率延性的影響。
  16. Hardness solution form for elastic - plastic material considering the indenter tip curvature effect

    考慮壓頭尖端曲率的彈塑性材料硬度的解答形式
  17. In view of the phenomenon that the tensioning elongation of sharp curvature radius tendons is slightly greater than the theoretic elongation, this paper analyzes the squeeze effect and strand effect that affect the tensioning elongation of the tendons, and proposes an uniform method for calculating the tensioning elongation

    摘要針對小曲率半徑預應力束張拉延伸量比理論延伸量偏大這一現象,分析了影響小曲率半徑預應力束張拉延伸量的擠壓效應和束效應,提出了小曲率半徑預應力束張拉延伸量的統一計算方法。
  18. Based on the theory of thin - walled curved bar, reasonable hypothesized a third - ord parabolic curve, the paper adoptes variational method on energy, taking the coupled relationship of the effect of curvature radius, bend, torsion and shear - lag into consideration, establishes the elastic governing differential equation and boundary conditions for thin - walled curved box girders, which set the foundation of theoretical analysis of shear - lag effect in thin - walled curved box girders

    摘要文章以薄壁曲桿理論為基礎,合理地假設了三個剪力滯翹曲位移函數,應用能量變分法推導出考慮曲率半徑影響、彎、扭、剪力滯耦合的曲線箱梁彈性控制微分方程及其邊界條件,為薄壁大麴率箱梁剪滯效應建立了理論分析基礎。
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