球面導數 的英文怎麼說

中文拼音 [qiúmiàndǎoshǔ]
球面導數 英文
spherical derivative
  • : 名詞1 (以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體) sphere; glo...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : 數副詞(屢次) frequently; repeatedly
  • 球面 : spherical surface; sphere球面艙壁 spherical bulkhead; 球面車床 spherical turning lathe; 球面反射...
  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、 n指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指的理論推,根據裂縫性儲層測井曲線形態分維值的地物理意義? ?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m值越高等特徵,提出了改進的基於盒維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指值,進而從以下三個方對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. Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin

    通過對平莊盆地基礎地質資料、國內外大量地熱地質資料的分析和野外地質調查、礦井實測地溫以及上升泉、斷層涌水的地化學分析等工作基礎上,指出地處低地溫梯度背景區的平莊盆地地溫梯度異常是由於盆地基底隆起和坳陷引起傳型大地熱流再分配所致;運用州sys值模擬了大地熱流向地表傳背景下的盆地地溫場,從而揭示了盆地基底(義縣組)頂界地溫分佈特徵;闡明了盆地具有形成中低溫對流型地熱系統所必需的水斷裂、補給水源等的良好條件,中低溫對流型地熱系統是地熱勘查的主要對象;圈定了平莊盆地北部朝陽溝?駱駝營子地熱勘查遠景區。
  3. The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given

    利用坐標旋轉后坐標變量間的關系和連帶勒讓德多項式的性質推得到了n次1階諧函的加法公式;以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在坐標下,引入了較矢量波函更普遍的兩類矢量函,給出了其在上的正交關系。
  4. Aspheric optical compound machine tool ( aocmt ) which integrates grinding, lapping and polishing is developed. the influences of motion errors on grinding accuracy are analyzed. according to homogeneous coordinate transition model, the postposition processing algorithm in multi - axis numerical control machining is deduced

    3 、研製了集銑磨成型、研磨、拋光於一體的光學非復合加工機床( aocmt ) ,分析了各種運動誤差對銑磨精度的影響;根據空間齊次坐標的變換模型,推出多軸控加工的後置處理演算法;通過五軸控聯動, aocmt機床能夠以法向方式加工出任意復雜的光學表,銑磨精度穩定在8 m之內。
  5. Application the forward model we can get the profile of medium that combine in some condition, in order to conduct the attributes optimize, the paper offer some basic principle, and discuss the reliability of attributes from the character of incident wave and from the character of the inter - bed and from the reliable zoon of attributes

    正演模型是我們研究地震波屬性和地物理正問題的一種有效的方法,利用正演模型的研究,提取一些介質組合情況下常用的屬性剖。提出了一些屬性優化的原則,並且從入射波的特性和巖性以及屬性可信度區間討論地震波屬性可靠性,指屬性參的優化。
  6. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地靜止雙星定向的相關技術,主要研究成果包括以下幾方:首先,建立了利用兩顆地靜止軌道衛星進行短基線定向的學模型,分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析,學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上,提出了雙星定向精度衰減因子odop的概念,揭示了雙星定向誤差特殊表現的內部機理,對實際工程應用具有重要的指意義。
  7. Abstract : from a universal formula for calculating the attenuation cross section of particles in arbitrary shapes, exact expressions for calcualting the attenuation cross section of polydisperse, small spheroids, whose rotary axes are in specific status, have been derived. attenuation cross sections of both liquid and ice particles in different shapes at different wavelengths in microwave band have been computed and analyzed. the results are informative to microwave remote sensing of precipitation

    文摘:從計算任意形狀粒子的衰減截普遍公式出發,推出了小旋轉橢粒子群旋轉軸處于不同狀態時的衰減截表達式,並計算分析各種狀態下衰減截隨降水粒子相態、形狀和入射波波長的變化特徵,所得結果可用於降水微波遙感。
  8. Through interview and investigation to the audiences and the principles from 6 volleyball clubs in 2005 - 2006 national league matches ’ season, the results indicate that most of the clubs don ’ t have a unified criterion in ticket layout designing. since the advertisement is usually combined with the ticket, it is not convenient for the consumers to get the relative information ; most of the clubs grade the tickets, but the price is usually above audiences ’ expectation which generally is concentrated in 20bmb and 30 ? 50 rmb ; the booking channel is not sufficiently unobstructed in some degree, and 37. 29 % of the interviewed audiences felt inconvenient, 3. 32 % met difficulty buying the ticket. those who consider convenient account for 59. 39 % ; advertisement is taken by most of the clubs as the common promotion strategy, while another promotion way that is to utilize public relation doesn ’ t get enough recognition ; most of the clubs don ’ t launch any market investigation before they make ticket marketing strategy and what ’ s more 4ps strategy unit lacks scientific theoretical basis

    通過對2005 - 2006賽季全國排聯賽6個排俱樂部的門票經營負責人員和現場觀眾進行訪問、調查,結果表明:大部分俱樂部的門票版設計不科學、不合理,缺乏統一的標準,門票和廣告多為聯體型,消費者不易從中獲取信息;大部分俱樂部都制定了不同檔次的門票,門票定價不盡合理,有些偏高,現場觀眾願意接受的全國排聯賽門票價格集中在20元左右;售票渠道還不夠通暢,在購買門票時仍有37 . 29 %的消費者感到不方便,有3 . 32 %的消費者感到非常難,感到購買門票方便的消費者佔59 . 39 % ;在選擇門票促銷方式時,廣告已經成為大多俱樂部普遍採用的促銷方式,利用公共關系進行促銷還沒有得到各俱樂部的足夠重視;大部分俱樂部在制定門票市場營銷策略時都沒有經過市場調研, 4ps策略還缺乏科學的理論指
  9. Secondly, by using the scattering characteristics of rough surface, the relation formula between received power and transmitted power of remote system for a facet is derived. finally, the scattering power for a conductor sphere is computed. 4

    根據有關測量據,提出了激光引信的發射波束模型,並結合粗糙散射理論,元散射功率方程,給出的激光近場散射功率結果。
  10. Guided with the theories of plate tectonics and complex hydrocarbon system, based on the analysis of geological factors of hydrocarbon pools in the northern area of tarim basin, the author puts forward the geological background favorable for and the possible areas most suitable for the formation of complex traps. the identification and description of complex traps lead to the recognization of five large and four middle or small complex traps, by the means of the main techniques and methods include the detailed interpretation of seismic profiles, drilling, logging, map compiling based on the depth of sealing surface and on the superimposed relation of stratigraphic lithology over and beneath the unconformity surfaces, and the the use of the reversion of jason and 3d coherent data. at the same time, the major controlling factors of complex trap oil pool have been analyzed based on the case study of typical oil pools in the paper

    目前,復合圈閉勘探及研究工作在我國還比較薄弱,本文以板塊構造學、復式含油氣系統等理論為指,通過對塔北地區石油地質特徵的整體解剖,從動態的角度,綜合分析和探索了塔北地區復合圈閉形成的地質背景及發育的有利區帶和領域,根據鉆、測井及地震剖精細解釋成果,採用封閉編圖、不整合頂底板地層巖性疊置關系編圖方法和jason及三維相干據體等地物理反演技術,發現大型復合圈閉顯示2個,中小型復合圈閉4個,復查落實大型復合圈閉3個,並通過典型油氣藏解剖,分析了塔北地區復合圈閉成藏主控因素分析。
  11. Global warming is currently increasing the number and power of killer storms across the planet, causing drought and crop failures in places like africa and australia, and raising the sea level worldwide

    目前,全變暖正在世界范圍內增加殺手風暴的量和破壞能力,在一些地方,比如非洲和澳洲,致乾旱,農業歉收,還正造成全海平提升。
  12. In this planet, we call someone a teacher of english or professor of mathematics, for example. but in the order of heaven, no one is lower or higher

    在這個星,如果有人教我們,我們會稱他們英文老師或學教授但在天國,則沒有高低之分,只是走在前的人會指引后來的人。
  13. These rapid changes in surface temperature and other weather parameters could lead to severe mismatches between regional conditions and the physiological requirements of many plant species

    這些地溫度和其他氣候參的迅速變化,可能致地區條件和許多植物生理需求之間的不協調。
  14. The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed

    根據這一設想,本文建立了超薄鏡的學模型?薄殼,並提出了強制力作用下超薄鏡的簡化模型?曲梁,推了曲梁在簡支情況下受力變形的撓度公式,並結合一個實例,計算出曲梁變形后與所需非形殘差( rms )在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足形精度的r和s范圍,分析了弧矢方向的rms ,得出了同時滿足子午和弧矢方向形要求的l 、 r和p 。
  15. The loading effects of the atmosphere are the sum of the direct effect, which comes from its newtonian attraction to any point on the surface or within the interior of the earth, and the indirect effects, which is induced by the earth ' s deformation and additional gravitational potential arising from redistribution of the mass because it can be regarded as the surface loads. they are traditionally expressed as the convolution integration of the atmospheric green ' s function, which is virtually the sum of the elastic and gravitational green ' s functions, and the measured values of the barometric pressure on the earth ' s surface over the globe

    隨著現代大地測量技術和據分析手段的日益提高,大氣對各類物理場地表觀測的負荷影響必須予以考慮,大氣的負荷效應為直接效應(大氣對地及內部點產生直接吸引)和間接效應(大氣作為表負荷作用於地致地的彈性形變和內部質量的重新分佈,產生附加位)之和,習慣上表示為大氣格林函(彈性項和直接引力項格林函之和)和地表氣壓觀測值的全褶積積分
  16. Two major glaciers in greenland have recently begun to flow and break up more quickly under the onslaught of global warming, raising the spectre of millions drowning from rising sea levels

    在全暖化岌岌可危的威脅下,格陵蘭兩條主要冰河最近開始加速流動和融化,可能致海平上升以致百萬人溺斃的浩劫。
  17. Calculated the aggregation frequency for the crown - shaped liquid droplets on condersor at > 90 in light of the properties of liquid droplets distribution function, and the detailed balance equation is derived for liquid - vapour phase transition

    摘要根據冷凝壁液滴分佈函的概念和性質,計算了> 90時冷凝壁冠形液滴的融並頻率;出純氣液相變下冷凝壁的細致平衡方程。
  18. " misalignment error ", which is caused by misalignment during null test adjustment, together with fabrication errors is shown in test results, and it is important to separate these two errors so that the test results can be used in ccos process. asic software is developed for eliminating nonlinear error and separating misalignment error, and a high accuracy, suitable format data file is generated by asic for further analysis for ccos process

    在非測量技術方,主要針對零位補償檢驗過程中測量坐標的「非線性誤差」的形成原因及其補償演算法由光學調整量引起的測量誤差以及調整量誤差的擬和方法等問題進行了討論,並編制了相應的干涉檢驗據處理軟體asic ,干涉檢驗結果經分析、處理后能夠滿足ccos的技術要求並指加工。
  19. Beside spherical mosaic technique, the method of sampling source image to extract information on sphere is given, the difference of luminance and color between images due camera parameter change while image captured is corrected to remove visible boundary on panorama

    此外,本文還給出了從原始圖像中采樣生成全景圖的方法,該方法可以糾正圖像拍攝時相機參變化致圖像間整體亮度的差異,使生成的全景圖沒有明顯的拼接痕跡。
  20. When the eccentricity distance is different, the distribution form of average pressure density in machining zone is given. in the lapping and polishing experiment, sic materials can be evenly removed by choosing reasonable process conditions and parameters, and the surface will convergence to prefect shape. this is helpful to the study on quantificational machining technologies of aspheric components

    主要內容和創新點包括: 1 、根據平研拋的成形原理和材料去除特點,建立了工件表相對運動軌跡的學模型,給出了不同偏心條件下加工區域的平均壓強分佈形式;在sic工件的平研拋實驗中,通過選擇合適的加工條件和對工藝參進行調整,能夠實現表材料的均勻去除,獲得理想的工件形,同時也為非確定量研拋提供工藝指
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