曲線積分 的英文怎麼說

中文拼音 [qūxiànjīfēn]
曲線積分 英文
line integral
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 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...
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] （積累的分數） accumulate points
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此，對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此，本文從測井地質的角度，針對當前裂縫性儲層測井地質解釋與評價的現狀，在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上，利用分形分維方法和技術，通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ （ fa ）與m指數的理論推導，根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜，則其分維值d _ （ fa ）越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵，提出了改進的基於盒維數的測井曲線網格覆蓋法，編程計算了裂縫性儲層段常規測井曲線（如聲波和電阻率曲線）上分形分維值及其m指數值，進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究，效果十分理想： 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪，採用儲層分維值分類技術統計分析這些參數變化的規律，並結合qx油田l區塊儲層類型經驗判別圖版，從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. Results dry matter accumulation of aerial part and under ground part of a. dahurica showed " s " curve, dry matter of aerial part gradually increased from the end of july to the early october and got to the peak in mid - october, then gradually decreased ; dry matter of under ground portion increased slowly in earlier stage and became rapidly from the end of august to the end of september, then reduced

    結果白芷地上和地下部分干物質積累呈「 s 」型曲線，地上部分干物質在7月底至10月初逐漸增加， 10月中旬達到高峰，隨后降低；地下部分干物質前期增加較慢， 8月底至9月底為快速增長期，隨后增加稍有減慢。
  3. Much of the higher reflecting alluvium and limestone fell along the toe portion of the characteristic curve.

    大部分反射率較高的沖積層和灰巖都位於特性曲線的趾部。
  4. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究，結果表明：不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢；油篙新梢的年生長動態呈s型曲線，檸條新梢春季生長速度較快， 7月份以後生長速度緩慢或基本停止生長；檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型， 4種配置方式下共有8種1年生植物人侵，並具有較高的植被蓋度；同其它3個樣地相比，純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。
  5. Third, it is this " moment " of the segment of space - time which based on the the philosophy of the nature and describing the mechanical movement that symbolize the transform from the view of integralization in classical atomism of mathematics to the view of integralization of modern real number

    另外，正是基於新的自然哲學的、作為描述機械運動的時空片段的「瞬」標志著古典數學原子論的積分觀向現代的分割實數連續統的積分觀的轉化，而現代數學的微分概念更是直接源於描述機械運動的速度和與運動軌跡密切相關的曲線的切線問題。
  6. By the help of geometric significance of plane or space curve and space surface, and by use of the symmetry of curve and surface to coordinate axis and coordinate surface, how to use the symmetry to calculate the surface integral and curve integral is discussed for the odd ( even ) functions that are defined on the curve or surface with symmetry

    摘要藉助于（平面）空間曲線及空間曲面的直觀幾何意義，利用曲線、曲面關于坐標軸及坐標面的對稱性，探討了對于定義在具有對稱性的曲線、曲面上的奇（偶）函數，如何利用對稱性計算曲線積分及曲面積分。
  7. 4. with visco - elastic boundary of soil considered, the eigenvalue equation in frequency domain of soil dynamic equilibrium equation falls into a complex transcendental equation. in course of seeking its solution, based on argument principle and contour integral, with the aid of matlab, two numerical algorithm combined with the corresponding procedures for solving transcendental equations in a complex plane is developed by the author

    4 、由於考慮了土體的粘彈性支承邊界條件，使得其動力平衡方程在頻域內的固有值方程為一復數超越方程，為了求解該方程，筆者基於幅角原理和閉合曲線積分，結合matlab ，提出了復平面上超越方程的兩種數值解法，並編制了相應的程序。
  8. An integral property and its physical significance of difinite integral, double & triple integral, curve and curved surface integral of generalized odd and even functions are demonstrated, which are symmetrical about plane, line and point in the domain

    論述了關于面、線、點對稱的區域上的廣義奇、偶函數的定積分、二重、三重積分、曲線、曲面積分的一個性質及其物理意義。
  9. From three respects in calculus teaching, this paper has mainly discussed magical effect of physics meaning of questions, which is curve integration curved surface integration and sum of series formula

    摘要微積分的教學離不開問題的物理意義，文章從曲線積分、曲面積分以及級數求和公式的推導等三個方面來說明問題的物理意義在微積分教學中的妙用。
  10. A curve integral method of flood calculations in average flow within the prescribed time

    洪水演算中時段平均流量計算的曲線積分法
  11. 2 by analysis and calculation about test result of stress, strain, and temperature of mass concrete model, and the test curve of a temperature for actual engineering, and bring up temperature of in concrete to ascend and descend function to use three theories and two pieces express

    2通過對大體積混凝土試件的應力、應變與溫度及實際工程的溫度實測曲線的分析與計算，提出了混凝土內部的溫度升降函數分別用三段和兩段表達的理論。
  12. On the basis of sedimentary facies division, the author firstly divided super short - term and short - time base - level cycle on well drilling cores, and playback the cores to well logging curves to scale them, and set up different classes of base - level cycles answered to well logging respond models. finally the author discussed how to use log well curve to divide super short - term and short - time base - level cycle characters, and to set up super short - term and short - term base - level cycle comparison framework, and analyzed sand body origin cause of formation type and spreading rules

    在深入的沉積相研究基礎上，對鉆井巖芯進行了超短期?短期基準面旋迴劃分，將巖芯歸位，並對測井曲線進行刻度，建立了不同級次基準面旋迴的測井響應模型，進而應用測井曲線劃分低級次基準面旋迴，建立了超短?短期基準面旋迴地層格架，探討了砂體成因類型及展布規律。
  13. Using the method of conversing double integrals into linear integrals, we obtain two theorems and their corollaries for double integrals of linear - fractional homogeneous functions with two variables, and construct some typical examples that are difficult to be calculated by ordinary methods to illustrate their applications

    摘要通過把二重積分轉化成曲線積分，得到二元分式線性齊次復合函數積分的兩個定理及其若干推論，並構造一些比較典型的用一般方法難以計算的例子說明結論的應用。
  14. Firstly the phase is extracted from interferogram by filtering and displacing frequency spectrum. then the wavefront and the line integral density are recovered by using fft or polynomial fitting method. lastly the radial local density distribution is calculated from the fitting curve of line integral density by the abel inversion

    首先對干涉圖進行頻譜濾波，用頻譜移頻法從干涉圖中提取相位，然後用快速傅立葉變換或多項式擬合實現波面重建，計算線積分密度，再利用abel積分變換從線積分密度的擬合曲線中反演徑向體密度分佈。
  15. A line integral of the second type changes sign when the direction of the integration path is reversed

    當積分路徑改變方向時，第二類曲線積分改變符號。
  16. Similar formulae hold for a line integral of the second type taken over a space curve

    對于空間曲線上的第二類曲線積分也有類似的公式。
  17. It gives a relationship between a surface integral over an oriented surface and a line integral along a simple closed curve

    它建立了有向曲面上的曲面積分與它的邊界曲線積分的關系。
  18. 2 the line integral of the tangential component of the magnetic field intensity h around a closed contour c is equal to the sum of currents passing through any surface s linking that contour

    沿著一個閉合迴路c的磁場強度的線積分等於穿過任何以此迴路為邊界的曲面的電流之和。
  19. Abstract : a new algorithm of area filling of geometry graph has been proposed. in this algonthm based on the area calculating theory of closed graph with curvilinear integral. the redundant judgement of inner pixels in the area has been eliminated and the defect of polygon area filling algorithm, which has some limitations to the graph shape, has also been overcome

    文摘:基於曲線積分求封閉圖形區域面積的基本原理，提出了一種新的幾何圖形區域填充演算法.該演算法不需要對區域內點進行重復判斷，也克服了多邊形填充演算法對區域形狀有一定要求的缺點
  20. This paper is devoted to studying the asymptotic behavior of the intermediate point in the mean value theorem for first form curve integrals. a general result is obtained

    摘要討論了第一類曲線積分中值定理「中間點」的漸近性質，得到了更具一般性的新結果。
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