曲度參數 的英文怎麼說
中文拼音 [qūdùshēnshǔ]
曲度參數
英文
buckling-
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。By means of carrying out parameterization on finite element model of certain punching - welding bridge housing and through optimization analysis, this paper realized the light weighted optimization design of punching - welding bridge housing under the conditions of letting the bridge housing to satisfy the demands of perpendicular bending rigidity, the perpendicular bending strength and the perpendicular bending fatigue life
摘要通過對某沖焊橋殼的有限元模型進行參數化,經過優化分析,使得橋殼在滿足垂直彎曲剛度、垂直彎曲強度和垂直彎曲疲勞壽命的條件下,實現了沖焊橋殼的輕量化設計。This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims
對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading
文摘:為了測錄內燃機缸內的壓力及溫度,開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數,而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明,此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點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。As it can be expressed easily by argument equations, we use the conicoid as the criteria of points " classification. based on the point ' s normal and the adjacent field, corresponding to the conicoid equation such as plane, ball and cylinder, we search the points that fit the equation along the adjacent field. using this method, we realized the automatic classification of unorganized points
本文採用了可以比較方便地用參數方程表示的二次曲面作為數據點的分類標準,根據點的法向量以及其鄰域結點的各種屬性,對應于平面、球面、柱面等二次曲面,依據曲面方程的特點,從起始點開始沿鄰域深度優先遞歸尋找符合方程的數據點,實現了散亂數據點的自動分類。The variable parameter taper equation was built with diameter determination datas of different parts of cryptomeria fortunei plantation sample wood, in combination with the relative tree height curve mode and other assistant equations, volume table of c. fortunei plantation standing was compiled, and provided the scientific basis for the production and application
摘要利用柳杉人工林樣木各部位直徑測定數據,建立可變參數削度方程,配合威布爾分佈函數、相對樹高曲線模型及其他輔助方程,編制了柳杉人工林林分出材率表,為生產應用提供科學依據。The variation rule of strength parameters associated with the matric suction were studied
分析了強度參數隨吸力的變化規律和廣義土-水特徵曲線的合理性。( 2 ) offset approximation for bezier curves the problem of parametric speed approximation of a curve is raised. the author points out that the crux of offset curve approximation lies in the approximation of parametric speed
( 2 )等距曲線逼近( offset )提出了曲線參數速度逼近問題,指出等距曲線逼近問題的關鍵在於參數速度的逼近We can make sure the temperature of the second - net water isupplied and watcr - returned in the most cold and hot times including our experience, get the temperature change curve of the waer - supp1ied in the first - nct and the second - net with the change of temperatllre outdoor
根據實際運行經驗可以確定最冷時和最暖時的二次供水和回水溫度參數,得出熱網最大輸送能力時的一次熱網和二次熱網供水溫度隨室外溫度變化曲線。After giving the legendre polynomials approximation to parametric speed of the curve, the author gives the jacobi polynomials approximation to parametric speed with endpoints interpolation. from this, two algebraic offset approximation algorithms, which preserve the direction of normal, are derived
給出了曲線參數速度的legendre多項式逼近,進一步給出了參數速度的插值區間端點的jacobi多項式逼近,由此導出了保持法矢平移方向的兩個等距代數有理逼近演算法Analyzing the stress - strain curve of the two kinds of soils, and comparing the strength parameters of expansive soils with that of reinforced soils, the author finds the reason that the intension of the reinforced soils gets stronger than that of expansive soils is studied
通過分析素土及其加筋土的應力應變曲線及比較它們的強度參數指標,研究加筋土強度提高的原因。試驗結果表明,本文對實際工程有一定的指導意義。The reference values of strength parameters of the grounds and rock - fillers of the high rock - filled embankment on liuzhai - shuien highway in guangxi are obtained in this paper by synthetically analyzing the construction technology at home and abroad and indoor rock tests. by comparing the analysis method of settlement laws and thoroughly analyzing the datum of the embankment settlements of liuzhai - shuiren highway from the whole cons truction period, a new method generated from expectation technology to analyze the embankment settlement laws, " compete " growth curve, is presented in this paper and the result tallies with the observation data. for there are shortcomings in indoor rock tests, in this paper by combining finite element method with duncan - chang nonlinear constitutive model and composite method, a method for back analysis of the strength parameters of rock fillers is presented with a corresponding program, which has been successfully applied
通過對國內外已有高填石路堤修築資料的綜合分析及室內巖石試驗,獲得了寨任二級公路高填石路堤地基及填料強度參數的參考值;通過對路堤沉降發展規律現有分析方法的比較及對廣西寨任二級公路高填石路堤修築工程中的沉降全過程觀測資料深入分析,運用預測技術,提出了路基及路堤沉降發展規律分析的「龔帕斯」成長曲線分析方法;針對室內巖石試驗的局限,運用有限元技術,結合鄧肯一張非線性本構模型和復形調優法,提出了高填石路堤填石料強度參數的反演方法,開發了相應的反演分析程序,並成功地反演了廣西寨任二級公路高路堤填石料的強度參數值。Layout input pole length ' s locus when the mechanism follows kadang movement in two ways. one is multinomial curve locus and the other is linearity intermixed by parabola curve locus. we study the displacement > velocity and acceleration curve consulting time under variety velocity characters, and get the best curve and the best velocity character, which will have a very important significance for kadang movement ' s input control of this mechanism
對卡當運動輸入桿件的伸長進行了軌跡規劃,採用了多項式與混有拋物線的線性函數作為規劃軌跡,研究了不同速度參數條件下的位移、速度、加速度的時間變化曲線,給出了最優曲線和最優速度,這對于機構卡當運動輸入控制的實現和優化具有重要意義。Then, in order to meet the need of relevant parameter calculating conveniently, basing on the principium of the material mechanics, the cube - parabola method in calculating bending strength parameter number is provided
同時為適應有關參數數值計算需要,根據材料力學基本原理,提出彎曲強度參數計算中的立方拋物線法。The effects are on the probabilistic assessment of both scattering regularity and sampling size of the test s - n data. p - s - n curves are characterized by the scale and location parameters related s - n relations for the maximum value model. the materials constants of in the scale relations are given by the average s - n relations and the locations
曲線用極大值分佈的位置與尺度參量s - n關系曲線來表徵,尺度參量s - n關系曲線可表示成均值與位置s - n曲線的函數;均值曲線的材料常數應用最小二乘法求出,位置曲線參數通過極大值分佈的似然函數解出。In order to investigate the relationship between the surface geometric errors and the uncertainty parameters, the sensitivity matrix was deduced
為了確定曲面誤差與不確定度參數之間的關系,推導了曲面最佳適配的靈敏度矩陣。The sensitivity matrix was then decomposed by singular value decomposition ( svd ) method, and the relationship between the surface geometric errors and the uncertainty parameters was formulated
採用矩陣的奇異值分解原理,對曲面最佳適配的靈敏度矩陣進行分解,得到不確定度參數與測點隨機誤差的關系表達式。The atanh ( ) function returns the inverse hyperbolic tangent of an angle
函數的作用是:返回一個指定角度參數所對應的反雙曲正切值。With reference to research of the logging interpretation model, it should exploit fully logging datum and the results of well core experimental analysis which was existed and analyze the relationship between the quality parameter of well core materiality and brothel log, which should further be understood in porosity, coefficient of permeability and water degree of saturation in well - core graduation
對于測井解釋模型的研究,充分利用已有的測井數據和巖芯實驗分析結果,分析巖芯物性參數與測井曲線間關系,對測井曲線作孔隙度、滲透率、含水飽和度參數的巖芯刻度。分享友人