shear velocity 中文意思是什麼

shear velocity 解釋
剪切流速
  • shear : vt vi (sheared 〈古語〉 shore; shorn sheared)1 剪(羊毛等);修剪(樹木);剪(呢絨的)長毛。2 ...
  • velocity : n. 1. 迅速;快速。2. 速度,速率。3. 周轉率。
  1. Papers also points out that the size of the adscititious powder agglomerate enwrapped by pure al melt, the effect and intensity of stirring shear force and the melt temperature at the beginning of reaction between the adscititious powder and al melt are the main factors affecting the in - situ reaction ongoing velocity

    並指出了影響反應進行速度的主要因素是熔體中分散包裹的加入粉末團的尺寸大小、有無攪拌剪切力作用、反應進行時的熔體溫度。其中,粉末團尺寸大小與徹底完成反應所需時間的關系最大,大尺寸粉末團將大大延長反應時間。
  2. In the process of work, according to complex geological conditions such as huge thick soft clay in site and top surface of possible pile foundation supporting course fluctuating in large amplitude, we adopted many advanced exploratory methods ( just as high accuracy exploration of shallow earthquake, crosshole wave velocity test, vane shear test, pressuremeter test, etc. ), we found out that there is an ancient groove of yangzi river in former plant site, therefore we suggested in time that plant site should properly be moved eastwardly, only this item saved nearly about 50 million for pile foundation project cost

    在工作過程,根據廠址區軟粘土厚度大、可能作為樁基持力層頂面起伏變化大等復雜地質條件,採取了多種先進的勘探手段(如高精度淺層地震勘探、跨孔波速試驗、十字板剪切試驗、旁壓試驗等) ,查明了原廠址區存在一個長江古凹槽,並及時建議廠址適當東移,僅次一項就節省樁基工程費用近5000萬元。
  3. The result indicates that, in the course of the rainstorm in huoshan, there are obvious low - level jet of great intensity, infection of mesoscale shear line, enhancement of plus vorticity which increases intensity of convergence, improves ascending velocity and brings on precipitation, and quick enhancement of helicity which provides the basis to forecast, in addition, convergence of moisture flux and analyzed potential vorticity which reflects baroclinic convective instability sufficiently indicate the characteristics of the rainstorm

    結果表明:此次霍山暴雨發生前後,存在明顯的大強度低空急流,並受到中尺度切變線的影響,而且正渦度的加強引起了輻合加劇,提高了上升速度從而引起降水,同時暴雨發生前螺旋度的迅速增強,也為預報提供了根據,另外水汽通量的輻合以及分析位渦反映出的斜壓對流不穩定都充分體現了這次降水的特點。
  4. On the other hand, it is indicated that the velocity field consists of a depth - independent inertial oscillation and a time - mean shear flow, which can be obtained by subtracting the inertial oscillations time mean in one inertial period. the hodograph of the velocity vector of time - mean flow at the different depths consists of a ekman spiral, and the surface velocity is 30. 3 ? to the right of the wind

    一維模式的流場結果表明,混合層中的流場是由慣性波動與時間平均流兩部分疊加而成,且通過時間平均消去慣性波動后得到平均流,其不同深度的流速矢量構成一ekman螺旋,表層流速矢量相對風向右偏了30 . 3 』 。
  5. An optimized approach for single - hole method of shear wave velocity measurement based on correlation functions

    基於互相關函數的單孔法波速測試優化演算法
  6. The precious method to simulate earthquake accelerations is not perfect because the points on the interface still move according to the simulated acceleration when the points " motion ends, which is obviously a paradox. if the points " velocity is not zeroized, soil ' s damage value based on shear stress ' s peaks or extrema is overestimated in multi - point input analysis. the new method ' s rationality is analyzed

    以往人工合成的地震波在地震結束時即地震加速度恆為零時速度不為零,這與合成地震動是「模擬輸入點從靜止到運動再到靜止的運動過程」這一要求不一致,同時導致時域內多點輸入分析時差動力過大以至算出的損傷值過大,於是本文提出了簡易的地震動速度歸零化方法並分析了其合理性。
  7. Based on the analysis of thin sections by microscope, measurement of porosity and density, and geological setting, we tested the rock physical parameters of sandstone, siltstone, carbonate and other transitional sedimentary rocks by the mts system under formation conditions ( temperatures, pressures and pore fluid properties ). the rocks we tested are from tertiary ( including zhujiang formation, zhuhai formation, enping formation, hanjiang formation ) of zhujiangkou basin in southern china sea. according to the analysis results, we studied the main ultrasonic wave velocity characters of rocks, which are compressive and shear wave velocity and poisson ' s ratio under different formation conditions

    在對珠江口盆地第三系儲集巖進行顯微鏡薄片分析、孔隙度和密度分析,以及地質背景分析的基礎上,利用巖石物理參數測試系統( mts )模擬地層條件(溫度、壓力和孔隙流體狀況)測試了珠江口盆地第三系(包括珠江組、珠海組、恩平組、韓江組,以下有關討論同)砂巖、粉砂巖、碳酸鹽巖及其過渡性巖石物理性質,重點研究了不同地層條件下巖石的聲學特徵(巖石的縱橫波速度和泊松比) 。
  8. 3. a three - dimensional - acoustic doppler velocimeter has been used to measure the velocity and turbulence in a compound channel with vegetated and unvegetated flood - plains. particulary in the interface region between main channel and floodplain. the distribution in three coordinate directions of velocity and turbulence intensities and the renolds stresses are presented. the momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface

    採用adv對灘地種樹前後灘槽交界區域的流速場進行了量測。分析了灘槽交界區域的垂線流速、紊動強度和雷諾應力的變化。將灘槽交界的動量傳遞描述為一表觀應力,這個表觀應力可以看作是交界面處的脈動函數並將其定量化。
  9. ( 5 ) based on an empirical formula, in terms of soil shear velocity, to evaluate soil liquefaction, which is simple to handle and prospective in further application, the author presents, in the probabilistic and fuzzy way, the formulae for the evaluation of liquefaction probability and fuzzy probability at given depths and for a fuzzy evaluation of liquefaction hazard of the total soil layers

    討論了當剪切波速具有隨機性時液化的發生概率,進而給出了確定場地液化和危害程度的發生概率,在此基礎上,結合液化和液化危害程度(等級)的模糊性,利用模糊事件的概率分析方法,提出了可同時考慮隨機性和模糊性場地液化和液化危害性的發生概率的計算方法。
  10. Normally the shear velocity is about half of the compressional velocity.

    一般地說橫波速度大約是縱波速度的一半。
  11. The authors hold that the joint actions of numerous factors such as the upper mantle uplifted zone ( the mantle thinned zone of lithosphere ), the upper mantle anomalous area ( relatively low - velocity area ), the uplifted zone of intracrustal high - conductivity layer, the deep fault ( shear zone of lithosphere ), the margin of the crust - upper mantle uneven masses, the basement uplifted area reflected by gravity high, the magmatic belt and tectonic intersection reflected by skipped magnetic field, control the distribution of auriferous skarn deposits and copper ( associated with gold ) skarn deposits

    作者認為,上地幔隆起帶(巖石圈地幔減薄帶) 、上地幔異常區(相對低速區) 、殼內高導層隆起帶、深斷裂(巖石圈剪切帶) 、地殼上地幔不均勻性塊體的邊緣、重力高反映的基底隆起區、跳躍磁場反映的巖漿巖帶和構造交匯處等諸多因素的共同作用控制著含金夕卡巖礦床和銅伴生金夕卡巖礦床的分佈。
  12. The longitudinal wave velocity in saturated soil could not only be useful, but reflect more information as well. the shear wave velocity may be different from the shear sewv, the difference is proved to be caused by porosity and structure factor

    認為潛水面下縱波速度能反映更多的信息,並且,橫波速度與骨架的橫波速度也可以由孔隙率及結構因子引起差異。
  13. When pure shear wave propagate in anisotropy media, even thought propagation direction is parallel to the direction of aligned cracks, experimental results exhibit that only two kinds of shear - wave velocity can be measured - fast shear wave and slow shear wave neglecting polarization direction

    這個實驗結果進一步表明,純橫波在各向異性介質傳播時,即橫波的傳播方向與裂隙平行,無論橫波的偏振怎樣改變,只能觀測到兩種橫波速度,快橫波和慢橫波。
  14. Poisson ' s ratios calculated from v ( subscript p ) / v ( subscript s ) can provide much tighter constraints on the crustal composition than either the compressional or the shear velocity alone

    摘要由彈性波縱橫波速比計算得到的泊松比,在利用地震波反演地下結構和物質組成時,可以提供比單純地利用縱波或者橫波波速更強的約束。
  15. The raw cement slurry is a kind of two - phase solid - liquid suspension. from the relation of shear stress and shear velocity, it ' s belong to noi ? ncwtonian fluid

    水泥生料漿是一種固液兩相懸浮液,從流體的剪切應力與剪切速率的關系來分析,它是屬于非牛頓液體范疇。
  16. Based above, a two - grade fuzzy comprehensive evaluation model is presented on the ground of the current seismic design code for building. it is that taking the membership of equivalent shear velocity as weight of the model not empirical weight in traditional one - grade model. it has been proved in site classification reasonable

    參照我國現行建築抗震設計規范,改變過去以經驗系數為權重的一級模糊綜合評判模型,以等效剪切波速對各場地土的隸屬度為權重,建立了場地二級模糊綜合評判模型,對場地進行劃分。
  17. A series of experiments in a wider range of reynolds number were conducted for the investigation on the spatial and temporal distribution of the low - speed streaks in the near wall region of turbulent open channel flow. for the first time, the relationships between the spacing, the width, the length scale in the streamwise direction and the duration time of low - speed streaks and the reynolds number based on shear velocity were revealed

    在水力光滑區和過渡區對明槽紊流近壁區的帶狀結構進行試驗,測量並分析了帶狀結構的分佈,首次揭示出低速帶間距、寬度、縱向尺度及持續時間等隨摩阻雷諾數的變化規律。
  18. The present results indicate that the quantitative description of the non - dimensional mean lateral streak spacing + differs from the results previously published. the spacing + is not a constant value of 100. it becomes larger as the reynolds number in terms of shear velocity increase

    試驗結果表明,低速帶間距的無量綱數+並非為以往一致認為的100左右的常數,而是隨摩阻雷諾數的增大而逐漸增大,在水力光滑區與摩阻雷諾數成二次方關系,在過渡區則為線性關系。
  19. Sconed, the tangential shear velocity and the radial particle diameter distribution are derived according force balance in the annulus, in order to reduce or pervent the particle to remove toward the membrane surface

    第二、根據粒子的力平衡理論推導出旋轉流中粒子不向膜面沉積的周向剪切速率及徑向粒徑的分佈規律,並指出徑向速度對粒子沉積的影響。
  20. The characteristics of seismic response transfer function is studied statistically. to describe the effects of soil layer on characteristics of ground motion the one new approach are suggested to characterized the predominate period of ground motion by site equivalent predominate period. the idea and method for calculation of site equivalent predominate period is given according to equivalent. shear velocity

    本文對場地計算模型的地震反應傳遞函數特性進行了統計分析,捉出了以等效場地卓越周期反映場地地震動卓越周則的想法,以合理地反映場地十層對地震動的影響,給山了等效場地卓越周期的確定思路和方法,井給出了基於等效剪切波速的等效場地卓越周期計算式。
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