正垂線法 的英文怎麼說

中文拼音 [zhēngchuíxiàn]
正垂線法 英文
direct plummet observation
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ動詞1 (東西的一頭向下) hang down; droop; let fall 2 [書面語] (敬辭 多用於長輩、上級對自己的行...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩陣中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞矩陣r引入到多層地基在圓形直均布荷載、矩形直均布荷載及條形直均布荷載作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形荷載、矩形直均布荷載及條形直均布荷載作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其確性; ( 3 )通過對雙層地基圓形直均布荷載中心軸上的附加應力系數和荷載中心沉降,矩形直均布荷載角點下的附加應力系數和荷載角點沉降及條形直均布荷載中心軸上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方的計算結果和有限單元方的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  2. Parameters can be interpreted through the method used in straight wells. after logging curves in horizontal wells are revised to true vertical depth, oil - bearing formation is evaluated through the comparison of wells combined with geological information. logging while drilling have great difference with ordinary cable logging especially in deviated holes and horizontal wells. comparison of cable logging and lwd carried out in different time indicates characters of mud invasion

    實際解釋lwd資料時首先需對隨鉆測井資料進行預處理和標準化,然後從隨鉆測井、錄井資料中提取與巖性密切相關的參數,建立測井相-巖相統計模式,並採用灰色關聯識別方實時判別地層巖性;採用直井的參數解釋方進行隨鉆地層參數解釋;將水平井的隨鉆測井曲從實際井深校直井深上,通過隨鉆測井資料與鄰井測井資料的對比解釋,並結合地質、錄井資料進行隨鉆地層含油氣性評價。
  3. However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences

    干涉儀測向不必進行測向信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系,即干涉相位差,方位角或仰角是直接由干涉相位差計算得到,或將兩基交的天陣的干涉相位差轉化為驅動電壓(電流)分別加到crt陰極顯示器的直偏轉圈和水平偏轉圈,模擬顯示出來波方位,干涉儀測向為典型的相位測向方
  4. Most current algorithms only work well in special conditions, because of the abnormity of signals in the real world. now, the research in the ica arises much passion and the ica has brought about many applications. the primary results the writer has got are as the following : after a whiting process, it is a key to find an orthogonal matrix to throw away the high - order redundant information between components

    由於現實生活中信號十分不規則,目前提出的演算大多隻能針對某類信號分離,鑒于目前在ica方面極大的研究熱情和強大的背景支持,作者對ica離演算做了一定研究,主要內容和工作包括如下: ica問題經過白化處理后,尋找去除高階相關的交矩陣成為問題關鍵,而交矩陣具有特殊的空間結構,組成它的每個列向量可視作rn中單位超球表面上一點,當這些點彼此直時,整體就組成一個交矩陣。
  5. Triacon division is to divide each triangle edge into n 2m pieces where m is some positive integer. lines are then drawn perpendicular to the triangle edges to form the new triangle grid

    三十面分解是將多面體的三角形面的每邊切成n 2m份m是任何整數,然後把與三角形面的邊直的連接來產生新的網格。
  6. In this paper, two kinds of the aforesaid methods based on the parabola and catenary theories for the datum strand erection of the self - anchored suspension bridge of pingsheng bridge in foshan under non - datum state condition of erection are presented

    介紹基於拋物理論和基於懸鏈理論的平勝大橋基準索股非基準狀態下架設度修量的確定方及達到該度的施工控制方
  7. Finally, applying the current basis function of three - term sinusoidal expansion, the radiation characteristic and input impedance of the vertical and horizontal antennas above lossy ground are analyzed by the method of moments with the variation of frequency, height from the ground and ground parameters

    最後,用矩量,採用弦插值基函數,研究地面上方直、水平的輻射特性和輸入阻抗隨著頻率、離地高度、地面參數等變化的情況。
  8. Three circumstances on the geometric non - linear analysis are considered : the sag phenomenon of cables the nonlinear behavior of bending members and the geometry change due to large displacement. the non - linear behavior of cables is verified by introduced the ernst cable modulus of elasticity and cr formation is applied to analyze the non - linear of beams. an incremental - iterative method based on the newton - raphson method is adopted here to solve the non - behavior equations

    幾何非性分析主要考慮三個方面:索的度效應、樑柱效應和結構大位移,其中:索的非性分析採用ernst彈性模量對索材料的彈性模量進行修,計及索的度效應的方;梁單元的非性分析採用cr列式,計算中採用基於newton - raphson的增量迭代方求解非性方程組。
  9. E xperiments show that the amended method is better than that in reference 12. as the same time the method can combine with the wavelet transformation to locate the characters. by multi - resolution analysis and pyramid decomposition, the edge components with different spatial resolutions and different directions can be acquired, among which, the detail components have the most distinguished texture features standing for the object region, then by further morphological operations, the useless information is greatly decreased and the last object text region is acquired

    分析了各個方向邊緣經小波變換后的特點,用具有良好時頻局部和變尺度特徵的小波分析方提取出不同空間解析度,水平和直及對角方向的邊緣子圖像,把滿足水平和直方向能量閾值區域進行合併,經過去噪后,用對角方向能量閾值即高高頻能量作為判斷標準,確定是否是真的字元區。
  10. During the finite element modeling of the bridge, the factors affecting the accuracy of the finite element model are discussed in detail, such as, the geometrical non - linearity of the cable including gravitational sag and initial tension, and the structural orthotropic steel box - girder deck to be equivalent to physical orthotropic deck by using compound material mechanics, and so on

    在建模過程中,盡可能多地考慮了一些影響全橋有限元模型精度的因素:如斜拉索的幾何非性(重力度和初始應力) ,將構造交各向異性鋼箱梁橋面板用復合材料力學的方等效為物理交各向異性板等。
  11. Firstly based on reading many literatures, the development history and present situation of csmss is introduced and an explicit definition of csmss is defined. the nonlinear finite element method equations are presented in detail, considering the orthotropic material property of the membrane and the wrinkled or relax properties of elements

    詳細推導了索桿膜空間結構的幾何非性公式,並且針對膜材的交各向異性特性、膜材的褶皺、索的自重度、索的鬆弛等問題採取了相應的有效實用的計算方
  12. Consider three mutually perpendicular coordinate lines ( the -, -, and - axes ) with their zero point at a common point, called the origin. the three axes form the right - handed system, that is, if the fingers of the right hand are curled so that they curve form the positive - axes toward the positive - axes, the thumb points in the direction of the positive - axes

    空間中三條相互直的坐標,它們的零點相互重合,稱為原點,記為.坐標軸遵循右手則,即以右手握住-軸,當右手的四個手指從向-軸以角度轉向-軸時,大拇指的指向就是-軸的
  13. Geometric nonlinear behaviors in large span cable - stayed bridges have been analyzed in this paper, which include the sag of inclined cable stays caused by their own dead weight ; the interaction of large bending and axial deformation in bending members ; and the large displacements effects. then analyzing theories and researching levels of geometric nonlinear problems of modern cable - stayed bridges have summarized. and methods of modeling cable - stayed bridges for nonlinear finite element analysis have been discussed, which are the equivalent modulus of elasticity, introducing stability functions and continuously modifying geometry of structure

    本文分析了大跨徑斜拉橋幾何非性的主要影響因素,包括斜拉索的度效應、彎矩與軸向力組合效應和大變形效應,同時對目前斜拉橋幾何非性問題的分析理論和研究水平進行了綜述,相應討論了各非性影響因素的處理方,即分別採用等效彈性模量、引入穩定性函數和實時修結構的幾何位置。
  14. The relationship between periodical fluctuation of the core diameter and srl was analyzed. the method predicting srl using core diameter data fft transform was found. the formula by shadow ' s length and shadow ' s position of two vertical directions to calculate core diameter was found

    本文又推導了利用無透鏡測徑系統相互直兩方向的影長和影位置信息來計算芯直徑的公式;並通過計算機模擬程序分析了該公式的誤差,得到將公式誤差降低到10 ~ ( - 2 )微米以下的修
  15. Secondly, safety factor of a landslide body with a polygonal sliding surface is analyzed in this paper. the results demonstrate that this method can consider that the different material stiffness parameters in the landslide body have an effect on the safety factor. finally, the safety factor of a three - dimension landslide body with a spherical sliding surface is calculated with this method, and the applicability of this method for three - dimension slope is verified after comparing the result with theoretical answer

    文中首先用具有理論解的算例? ?直坡受集中荷載的安全系數問題驗證了該方確性,再通過對一個具有折滑動面的滑坡體的安全系數的分析說明了該方還可以考慮塌滑體內不同的材料剛度參數對安全系數的影響,之後用該方對一個具有球形滑裂面的三維滑坡體進行了計算,通過與閉合解的比較驗證了該方對三維邊坡問題的適用性。
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