direction coefficient 中文意思是什麼

direction coefficient 解釋
方向系數
  • direction : n. 1. 方位,方向;范圍,方面。2. 〈pl. 〉 指揮,指導;管理。3. 〈常 pl. 〉指示,命令,吩咐;用法說明。4. 導演;(樂隊)指揮。5. 寄發地址。6. 趨向,傾向。
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層特徵在平面上變化的參數,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差函數法,通過球狀函數模擬,確定儲層優勢滲透率方向:根據流動單元法,以儲能系數、容積系數以及凈毛厚度比三個參數為依據,通過聚類分析方法進行流動單元劃分,並且按照參數特徵將其分為五類,統計各砂層有利流動單元區塊。
  2. In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering

    本文根據彈性薄板理論,導出了雙向空腹板的平衡微分方程,並通過理論計算和通用有限元程序ansys結果對比,驗證了其正確性;通過對各類邊界條件下雙向空腹板撓度和彎矩系數的計算比較,本文提出:雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公式查找現有的實心板撓度彎矩系數表進行計算,完全能滿足工程精度要求。
  3. In the study of directional spectrum and reflection coefficient of multidirectional wave, firstly the wave elevation trains overlapped by the incident wave and the reflected wave of multidirectional wave are simulated in the method of a frequency corresponding to a direction. then the composed wave trains are analyzed respectively by the mbdm and the mmlm. during the numerical study, the input factors include the various wave parameters, the different measuring wave system and the various reflect characteristic

    在多向不規則波入射波方向譜和反射系數的分析研究中,利用方向頻率對應法模擬了多向不規則波入射波與反射波疊加的波面序列,將此合成波列分別應用mbdm和mmlm進行分析,通過輸入各種波浪參量、不同波浪測量系統和各種反射特性等因子,檢驗了mbdm和mmlm方法的適用條件,對兩種分析方法的性能進行了比較分析。
  4. Test method for side direction scattering coefficient of laser rods

    激光棒側向散射系數的測量方法
  5. Through the physical model experiment, the wave forces over submerged dyke and transmission coefficient are analyzed under the action of regular wave. in the test of wave forces, the rectangle - type submerged dyke is used as research object, and when analyzing the total wave forces, the effect of water depth before the dyke and that of the wave parameters is considered. based on the test, through the methods of multi - element linear regression, experimental formulae are given to calculate maximum total wave forces in horizontal direction, its relative vertical wave forces and maximum wave forces before and after the dyke, which are compared with the present formulae

    在潛堤波力的研究中,選取矩型潛堤作為研究對象,在分析各個影響因素對潛堤波力影響的基礎上,選取兩個最主要的影響因素,即相對波高和相對水深作為研究重點,在物理模型試驗結果的基礎上,定性地研究分析了潛堤所受的總波力隨相對波高和相對水深的變化規律,並在此基礎上,利用多元線性回歸的方法,分別給出了在本文試驗條件下計算潛堤最大水平總波力及其相對應的垂向總波力的經驗公式以及計算堤前堤后最大總波力的經驗公式,並與已存在的計算公式進行了對比。
  6. The discussing process follows the steps below : first, suppose the system ( 1 ) has only one finite singular point ( 0, 0 ). then we can assume b50 = 0, which special direction is determined by equation g ( 0 ) - 0, introduce poincare transformation to discuss infinite singular points, according to the coefficient conditions, list all possible infinite singular points and special directions, judging their type, drawing out all kinds of phase portraits

    本文主要內容為:一、假設系統( 1 )只有唯一的有限遠奇點( 0 , 0 ) ,則不妨設b _ ( 50 ) = 0 ,其特殊方向由示性方程g ( ) = 0給出,引進poincare變換研究無窮遠奇點,再根據各定理中的系數條件,列出系統所有可能的無窮遠奇點和特殊方向,並判斷其類型,由此畫出系統的各種可能的全局相圖。
  7. 4. adopting changing coefficient research our country district industrial structure change direction to the industry, his conclusion is : the industrial structure that our country majority were economized the area constantly changes to seniorization

    4 、採用對產業轉換變動系數研究我國地區產業結構轉換方向,其結論是:我國大多數省區的產業結構不斷向高級化轉化。
  8. The safety of the running train is an important subject in railway vehicle system dynamics. the condition of derailment and indices of vehicle are important parameters that are defined for safety evaluation of the running train. according to the running condition of vehicle, the paper discusses derailment safety of vehicle in four respects : the coefficient of derailment for a single wheel, the coefficient of derailment for wheel - set, the derailment condition caused by wheel load reduction, relation between the coefficient of derailment and the rate of wheel load reduction. factors affecting the indices are systematically investigated. suitable conditions of derailment of vehicle are given. the results show that h / p1 can be used to evaluate the derailment safety, inwhich h is a force acting on wheel - set in the direction of lateral and p1 is a force acting on the derailment wheel in the direction of vertical

    車輛脫軌條件和評定指標是衡量車輛安全運行的重要指標.根據車輛運行狀態,從單輪脫軌條件和評定指標、輪對脫軌條件和評定指標、由輪重減載引起脫軌的條件、脫軌系數與輪壓減少率的關系等4個方面對車輛的脫軌安全度進行了探討,分析了影響車輛脫軌的因素,並指出車輛脫軌評定條件的適用情況.結果表明,採用作用於輪對的側向力h與作用於脫軌側車輪的垂直力p1之比檢算車輛的脫軌安全度較為合理
  9. Frictional coefficient of paper / al / pe film was measured on different surface and different direction, and the data was analyzed and compared with these different ingredients, thus the frictional coefficient of this new material could be better understood

    摘要通過對紙鋁塑復合薄膜正反兩摩擦基材面相互摩擦及不同角度摩擦的動、靜摩擦系數值的測定,比較並分析了不同摩擦基材面和不同摩擦方向對其大小的影響,從而對這種新材料的摩擦系數有了進一步的認識。
  10. In the models, the time dependent parabolic equations, deduced from the mild slope equations with currents or not, are used as the governing equations. based on the general conditions for open and fixed natural boundaries with an arbitrary reflection coefficient and phase shift, the boundary conditions for the present models are treated. the alternative direction implicit method is used to solve the governing equations and the numerical schemes are unconditional stable

    在建立模型時,將原始的橢圓型緩坡方程的近似型式? ?依賴時間變化的拋物型方程,作為控制方程;從將開邊界條件、不同反射特性的固壁邊界條件相統一的表達式出發,對邊界條件進行處理;用adi法數值求解控制方程,格式無條件穩定;節省了計算機內存和計算量。
  11. Through the flume experimental research, the velocity distribution formulas for rectangular open channel have been found, including parabola form of velocity distribution on the vertical and power form of mean velocity distribution on the transverse direction ; meanwhile, the means of ascertaining correlative coefficient have been given in this paper

    摘要通過對明渠流速的水槽試驗研究,建立了矩形斷面明渠沿垂線流速的拋物線分佈公式和橫向平均流速的乘冪函數分佈公式,同時給出了相關系數的確定方法。
  12. In the analysis of the frequent spectrum and the reflection coefficients, based on goda ' s two - points method which fit to the normal incident wave, a modified two - points method is derived that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves from which the frequent spectra of incident waves and reflected waves incoming in arbitrary angular, the bulk reflection coefficient and the frequent spectrum of reflection coefficient could be computed, also from which in theory the waves could be measured in two wave gauges which is disposed at any direction

    為了分析單向不規則波入射波的頻率譜和反射系數,本文在goda用於分析正向不規則波的兩點法的基礎上,提出了可用於斜向不規則波頻譜分離及其反射系數計算的改進兩點法,該方法可用於計算任意波浪入射角的入、反射波譜、總體反射系數和反射系數的頻率譜,並且測量波浪過程的兩浪高儀可在較廣的方向范圍內布置。
  13. In this paper, on the basis of existing tracing method and differential coefficient method, five new methods are put forward, superposing of infinitesimal element - tangent method, differential coefficient - tangent method and equation method, by taking advantage of fast calculating ability of the computer. two - dimensional planar electrostatic field of complicated charged bodies are simulated successfully with these methods. the changing trend of electric field along a certain direction of a set of point charges are also given in this paper

    本文利用計算機快速準確的計算能力及其強大的圖形處理功能,在現有循跡法和微分法的基礎上,提出了微元疊加一切線法、微分一切線法以及方程法方法,成功地模擬了一些復雜帶電體的二維平面靜電場以及平面分佈的點電荷系的電場沿空間某方向的變化趨勢。
  14. In this paper, an approach of the systematic artificial neutral net was introduced into the analysis on the ship - against - bridges probability with a computer programs. based on the basic data of the present 12 typical bridges as the sample, 4 chief influential factors as the input coefficient, such as the bridge span, the water flow rate, the incline angle between water flow direction and the direction normal to bridge axis, and the curve in the course near the bridge area, with the ship - against - bridge probability as the output coefficient, the intelligent judging system of the ship - against - bridges probability reflecting the influence of the above input parameters is obtained after training

    本文首次將人工神經網路系統方法引入了船撞橋概率的研究當中,編制了計算程序,成功地以現有12座典型橋梁的基礎數據為樣本,以橋梁跨徑、水流流速、水流方向與橋軸法線的夾角以及橋區航道彎曲度等4個船撞橋主要影響因素為輸入參數,以船撞橋概率為輸出參數,經訓練得到了能較好地反映上述輸入參數影響的船撞橋概率判斷系統。
  15. Through the analysis and calculation the conclusion can be made that during the process of the timbering of excavation, the magnitude of soil stress decreases with the increase of the displacement on the base of the still earth pressure, and the earth pressure distribution varies from the triangular distribution of the still earth pressure to other distribution with the displacement of the timbering structure. the thesis introduces the bedding coefficient in the horizontal direction varying with the soil displacement from soil - structure interaction mode, therefore calculation can be made to get more rational calculation result using elastic foundation finite element method which is the same to timbering structure both upwards and under excavation surface

    通過分析計算可以得出,在基坑支護過程中,土壓力的大小在靜止土壓力值的基礎上隨支護結構向坑內側位移增大而減小;土壓力的分佈由靜止土壓力的三角形分佈隨支護結構位移變化成其它分佈;由土-結構共同作用模式引入隨土體位移變化的水平向基床系數,使支護結構在開挖面以上部分同以下部分一樣,均可採用彈性地基有限元法進行計算,得出更為合理的計算結果。
  16. I soon found it extremely difficult to define economic well - being objectively and measure it accurately. i also failed to find any statistically significant correlation between even the most simplified measure of economic well - being - economic growth - with the gini coefficient. whatever the cause, a redistribution of income in a particular direction is bound to be unsettling for some and welcome for others

    但我不久已發覺要客觀界定及準確量度經濟福祉是極度困難的,即使簡單地以經濟增長來作為量度經濟福祉的指標,我也無法從國際經驗找出這個指標與堅尼系數之間有任何統計學上顯著的關連。
  17. ( 2 ) starting off with analyzing the forces affected on single dry solid granule on the roller screen, the relative slippage and slipping condition of granule at the tangential direction and axis direction of roller screen are discussed, and the average slipping conveyance velocity from feeding end to discharging end is given. the throwing conveyance of granule is discussed, the throwing coefficient of roller screen and its varying rule, and the concept of average throwing coefficient and its computing method are put forward, the starting condition and terminating condition for throwing motion of granule on the roller screen and the throwing conveyance velocity of granule are researched. the influence on throwing motion of granule by the rotating velocity of roller screen is discussed as well

    ( 2 )從筒式篩網上單顆干固相顆粒的受力分析著手,討論了顆粒在筒式篩網面上的切向相對滑動和軸向相對滑動及滑動條件,並導出了顆粒從進料端向出料端滑動運移平均速度;討論了顆粒的拋擲運移,給出了筒式篩網上的拋擲指數及其變化規律,提出了筒式篩網的平均拋擲指數的概念及計算方法,研究了筒式篩網上顆粒拋擲運移的產生條件和終止條件,以及顆粒拋擲運移的輸送速度;還討論了筒式篩網的旋轉角速度對顆粒拋擲運動產生的影響。
  18. The results showed that surface of different materials have obvious influence on the frictional coefficient while direction has no significant effect on it

    結果表明:摩擦方向對摩擦系數的影響不大,實際生產中主要需考慮摩擦基材面對摩擦系數的影響。
  19. Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line. the method using wavelet singularity detection theory to extract the fault time is discussed. a fault distance measurement algorithm combining wavelet analysis used for separating the character from the transient fault signal with artificial neural networks used for the nonlinear approximation from the transient character to fault distance is presented

    論文提出利用各個出線零序電流在頻帶上小波包系數模極大值的方向和大小的不同來實現故障選線,討論了利用小波分析的奇異性來判斷故障啟動時刻,提出將小波分析和人工神經網路結合,利用人工神經網路的非線性逼近能力,實現故障暫態量到故障距離的非線性映射,完成測距。
  20. The heteroepitaxial growth of 3c - sic on si substrate not only unfurls the maturity of si process, but also incarnates the excellence of 3c - sic, so that it become for long researchful direction. due to the large lattice parameter mismatch ( ~ 20 % ) and the large thermal expansion coefficient mismatch ( ~ 8 % ), however, the 3c - sic / si study is very difficult

    然而,由於3c - sic與si之間存在較大的晶格失配度(約20 % )和熱膨脹系數差異(約8 % ) ,因此, 3c - sic / si異質外延薄膜的制備非常困難,仍存在許多技術問題需要克服。
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