derived index 中文意思是什麼

derived index 解釋
引伸指數
  • derived : 導生的
  • index : n (pl es dices )1 索引。2 指標,標準,標志。3 示[食]指 (=index finger)。4 指數。5 【印刷】指...
  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. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓混凝土重力壩漸進破壞過程和可能失穩方式的基礎上,提出了以準彈性臨界作為穩定臨界準則的設計極限狀態,分析了按該準則設計的大壩的實際工作狀態,導出了以準彈性強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式,探討了定量計算考慮各種因素影響的相應設計安全系數的合理取值,並與現行規范方法進行了比較
  3. Products derived from citrus fruits. determination of the d - limonene index

    柑桔衍生製品. d ?烯指數的測定
  4. To improve understanding of the processes of heterogeneous land surface - atmosphere interaction, the utilization of satelli te remote sensing is indispensadle. in this paper, with the aid of satellite remote sensing and fiend observational data which observed during intensive observation of huaihe river bain energy and water cycle experiment hubex in 1998, the surface albedo, ndvi normalized difference vegetaton index and surface temperature in regional scale of hubex could be derived. then, the distribution of regional energy balance components could be estimated. this wor provided the physical foundation for the numerical simulation of the huaihe river basin energy and water pro cesses, and is important for us to further analyze the regional distribution of surface characteristic parameters ad energy balance components with the change of the weather situation in hubex in 1998. our work is still in a developing stage, some methods of retrieval in the paper should be improved further

    利用1998年淮河流域加密觀測試驗hubex iop期間的資料,進行淮河流域能量平衡的參數化方案的研究,用noaa衛星的avhrr資料建立了試驗區地表特徵參數及能量平衡各分量的參數化方程,並對衛星遙感反演結果和試驗觀測值進行了對比,為淮河流域能量和水循環的數值模擬提供了物理依據。
  5. The envelope equation of laser propagating in the plasma channel, and the general expression related the laser spot size with the propagation distance and the width of the plasma channel etc., are derived based on the hamilton - jacobi equation and the refractive index equation

    在此基礎上得到了激光在等離子體隧道中傳輸的包絡方程以及光斑半徑與傳輸距離、隧道寬度等初始參量的關系。
  6. From maxwell equations the refractive index equation and hamilton - jacobi equation, which describe the evolution of the electric field, are derived including the effects of the diffraction, the third - order intensity - dependent nonlinearity, plasma defocusing, the focusing and defocusing of the plasma channel, and the relativistic self - focusing

    從maxwell方程出發我們得到了兩個包含衍射、三階強度非線性、等離子體散焦、等離子體隧道聚焦和散焦以及相對論自聚焦等效應在內的激光場演化方程,即折射率方程和哈密頓-雅可比方程。
  7. The formulae of the pollution harm rate and the pollution harm index suited to multi - pollutants for the water quality assessment are derived by using the genetic algorithm to optimize the parameters in the formulae

    採用遺傳演算法優化公式中的參數,得到了多種水質污染物都能適用的水質污染損害率和污染損害指數公式。
  8. Other derived products include regional temperature forecasts, rain index, vertical profiles, meteorograms and a selection of specially prepared weather maps

    其他預報產品尚有區域氣溫預報降雨指數垂直廓線圖氣象要素圖及特製天氣圖等等。
  9. We derived chemical index formula for minerals of all kinds homologous constituents in different geo - hydrologic unit, based on confined two dimension of groundwater chemical index representated from muti - dissolved chemical dynamics equations with hydrogeological conditions and hydrogeochemistry distinction

    摘要從多礦物溶解化學動力學方程出發,推演並建立了由水化學指標表示的承壓二維井流裘布依公式。
  10. The finite difference beam propagation method ( fd - bpm ) can simulate the performance of the waveguide accurately. single mode rid waveguide structure parameters are derived by variational - effective index method ; fd - bpm and its transparent boundary condition ( tbc ) are concerned, and then the eim used to transfer a 3d waveguide to 2d waveguide is analyzed ; finally we summarize the characteristic of the y branch

    本文先利用變分有效折射率法推導出滿足單模傳輸的脊形波導結構參數;接著介紹了有限差分束傳播法及求解的透明邊界條件,同時分析了將三維結構轉化為二維結構的有效折射率法,最後對y分支的特性進行了模擬。
  11. This technique is mainly involved two steps : 1 ) vegetation effects correction : we used ndvi ( normalized difference vegetation index ) derived from tm and avhrr measurements for spatial and temporal variations of vegetation covers at different scales

    但由於電磁波與地表相互作用的復雜性,雷達後向散射系數除受地表介電常數(土壤水分)影響外,還受到地表粗糙度、土壤類型、植被覆蓋以及雷達入射角、頻率、極化等多種因素的影響。
  12. Theoretically several solutions are derived in the final scheme such as broadband matching technology which included negative - feedback technology, traveling wave technology and balance technology. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful. the principle of microwave amplifier is introduced at first in this paper, especially its main parameters index sign, then the material performance and the influence of parasic parameter and model setting of the gaas phemt is discussed

    文中首先介紹寬頻帶放大器的主要參數指標,接著介紹了gaasfet的材料特性,以及phemt管芯寄生參數對實際放大器設計的影響,然後討論gaasphemt的大、小信號模型的建立與分類;結合gaasphemt模型和s埠參數分析了寬頻帶匹配技術的原理;最後論述本課題中各個放大器實現的具體方案,以及在放大器實現過程中應該注意的問題,給出了實際寬帶放大器的測試結果,並將軟體模擬結果與實測曲線進行對比。
  13. A distant field interference of non - single - core light beams is analysed in a transparent liquid or solid when the bubble is irradiated with laser, a formula on optical path length difference is derived, interference regions and causes of interference rings thick inside and thin outside are analysed, the diameter of bubble can be measured by method of interference, the size of bubble and refraction index of gas inside the bubble can be measured in the depths of medium

    摘要對透明液體、固體中氣泡在激光照射下產生的一種非單心光束干涉進行了遠場分析,得到了程差公式,分析了干涉的區域、圓環狀干涉條紋內密外疏的原因,通過干涉的方法可以測量氣泡的直徑,能夠用於介質深處氣泡尺寸及泡內氣體折射率的測量。
  14. Nominal salary index ( b ) is derived to reflect only changes in salary rates of those managerial and professional employees who have been in the same occupation and in the same company in two consecutive years

    名義薪金指數(乙)則是用來反映連續兩年均留任同一職業及同一公司的經理級與專業雇員薪金率變動情況,因此只反映因一般薪金遞增、工作表現和年資累積而增薪的薪金率變動。
  15. Through the strong pulling tests of four kinds of synthetic fiber filter cloth, the mechanical performance index of the filter cloth in dry and wet conditions were measured, the influence of various pulling speeds on the fracture strength and the fracture tensile rate of the filter cloth was derived. it was concluded that the stress of the filter cloth could relax when it was beyond the yield point

    通過4種合成纖維濾布的強力拉伸試驗,測得了濾布在干、濕兩種狀態下的力學性能指標,得出了不同拉伸速度對濾布斷裂強度和斷裂伸長率的影響,同時指出當濾布的應力超過屈服點時,會出現應力松馳現象。
  16. Sem was used to observe the surface and the cross section of the films. index of refractive was derived from the ellipsometer. raman spectroscopy and xps were used to analyze the structure and composition of the films

    用sem分析了薄膜的斷面形態,在橢偏儀上測得其折射率,並對薄膜進行了raman光譜、 xps分析,在沒有極化的條件下進行了二階非線性maker條紋檢測。
  17. Cases are triggered by the index which is gotten from knowledge represented by decision trees and diagnostic conclusions derived from the two approaches are output by synthesize

    用決策樹知識作為有關案例知識的索引對案例進行觸發,對二者得到的診斷結論進行綜合后輸出。
  18. The equivalent cavity model is used to deduce the threshold condition of the ecld, and the expression of the threshold carrier density n ( v ) when ecld is tuned to oscillate at different frequencies has been obtained. using the expression of n ( v ) and the carrier dependent refractive index, the simple basic equation describing the bistable characteristics has been derived after choosing an appropriate reference frequency nf

    通過建立等效腔模型來推導外腔半導體激光器的閾值條件,得到ecld在不同頻率v振蕩所需的閾值載流子密度n ( v )表達式,利用該表達式及相關的折射率表達式,在選擇合適的參考載流子密度n _ f后,導出了一個描述雙穩所需的基本方程。
  19. This paper aims to combine advantages of pid control and neuron, propose the neuron pid controller which is derived from an incomplete derivative pid algorithm and based on six learning rules in common use, viz. no surpervized hebbian learning rule, perceptron learning rule, supervized learning rule, improved hebbian learing rule, delta learning rule and capability index which is based on second type, and these rules come into being six control arithmatic. then simulate in object with lag

    本論文主要將兩者的優點結合,提出了神經元實現不完全微分pid ,並採用神經網路常用的六種學習規則,即無監督hebb學習規則、感知器的學習規則、有監督的hebb學習規則、改進的hebb學習規則、 delta學習規則和基於二次型性能指標的學習規則,形成六種控制演算法,以工業生產過程中常見的二階純滯后對象為例進行模擬。
  20. With the aim to study the fishing variations between the single - trap set net and the double - trap set net, catch per unit effort ( cpue ) and seasonal index derived from monthly landings at two fixed shore - nets along the coast of tang - ao in northeastern taiwan were examined for the last 10 years from 1975 to 1984

    摘要為究明改良型定置網(雙落網)與傳統型定置網(單落網)之漁獲效率及漁期差異性,乃以東澳新協發定置漁場網型改良前後各5年之魚種別歷月漁獲統計資料加以檢測解析,結果如次: ( 1 )網型改良后的總平均單位努力漁獲量較改良前成長3倍有餘。
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