指數線 的英文怎麼說

中文拼音 [zhǐshǔxiàn]
指數線 英文
exponential line
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 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...
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  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. 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。
  3. The envelopes of the strain peaks is an exponential function.

    應變峰值的包絡線是一個指數函數。
  4. The decline in viability of the algae is exponential and can not be related to a linear dose effect.

    小球藻生活力的降低是指數性質的，而與線性劑量效應無關。
  5. It is found that with fixed laser power and increasing exposal time, the increasing of the depth of exposal grows slower, the exponential increasement can be express by the equation :, the depth of exposal becomes satured with increasing exposal time ; with fixed exposal time and increasing laser power, the depth of exposal increases linearly and can be express by the equation : y = 40

    結果表明，當固定曝光功率，不斷增加曝光時間時，曝光深度的增加趨于緩慢，程指數曲線形式變化，可表示為，當曝光時間不斷增加時，曝光深度的增加趨近於飽和;當固定曝光時間，不斷增加曝光功率時，曝光深度程線性趨勢增加，可表示為y = 40 . 5x0 . 151y = 0
  6. This paper puts forward bp improvable algorithm and exponent prediction pattern depending on neural network " s approach ability to non - linear function. comparing with traditional prediction algorithm, bp algorithm is verified to be feasible and accurate on exponent prediction

    本文藉助神經網路對非線性函數的逼近能力，提出了bp演算法的改進型演算法及基於bp演算法的指數預測模型，通過對比傳統預測演算法，證實改進后bp演算法用於證券預測的可行性及準確性。
  7. Though maximum likelihood detection ( mld ) can obtain optimum detection performance in mimo communication systems, the ergodic search increases the complexity exponentially with the number of the antennas, which lead to implemental difficulty

    在mimo通信系統信號檢測中，最大似然檢測（ mld ）可以獲得最佳的誤碼性能，然而遍歷式搜索方式使得mld的計算復雜度隨天線數呈指數形式遞增，在實際系統中，往往難以實時實現或者不能實現。
  8. The motion of plunger of oleo damper excited by colored gaussian noise with exponential correlation time is governed by first order nonlinear differential equation

    摘要油液阻尼器受指數型高斯色噪聲外激勵時，活塞在油腔內的運動可用一階非線性動力學方程描述。
  9. ( 2 ) in the condition of quasi - quadrennial or quasi - biennial oscillation, monthly mean anomaly fields of slp, ssta, x and f have the most important effect on the linear response of nino3. 4, and there exists obvious spatial symmetry among cold and warm events of enso oscillation

    （ 2 ）在準4a或準2a振蕩下， slp 、 ssta 、 _ x 、和_ y的月平均距平場對于nino3 . 4指數的線性響應佔主導地位， enso振蕩的冷暖事件間具有明顯的空間的對稱性。
  10. Under action of uniformly or polynomial distributed load, upper and lower critical loads of revolving shells ( including conical shells, spherical shells and quartic polynomial shells ) with uniform thickness, linearly, exponentially or polynomial variable thickness were evaluated

    給出了均布或多項式分佈荷載作用下，等厚度、線性、指數型或多項式型變厚度的圓錐殼、球殼或四次多項式型旋轉殼的上、下臨界荷載。
  11. On the basis of methods of feedback linearization and compound lyapunov, the author puts forward a sort of robust output track control rule with a regulable parameter. this rule not only guarantees the system exponent output track but also makes the closed loop system have limited states

    基於反饋線性化方法和復合lyapunov方法，作者提出了一種具有可調參數的魯棒輸出跟蹤控制律，不僅可以保證系統指數輸出跟蹤，而且閉環系統狀態有界。
  12. The paper concludes that the changing rate of ndvi of rain forest in tropic is the smallest, the changing curve is smooth, while the changing rate of ndvi of the deciduous broad leaf forest in warm - temperate zone is the largest the change of ndvi is the most conspicuous in winter and spring ( especially in april ) while is not conspicuous in summer and autumn by analyzing the change of ndvi along latitude using the ndvi value of different vegetation types along the same longitude. the vegetation index from warm temperate zone to semitropical zone has obvious transition, while other areas have no distinct change by analyzing the change of ndvi from temperate zone to semitropical zone to tropical zone using ndvi averagejn the same time it is concluded that the sink value in the beginning of the year 1995 is from the influence of the monsoon in east of china by analyzing the ndvi curve of several typical needle leaf forests. the relation between ndvi value and temperature is conspicuous while the relation of precipitation is less or not by analyzing the relation between ndvi and temperature and precipitation finally it can get the conclusion that the change of river area is the smallest, the change of sienna area is the greatest by analyzing two phases of tm data in 1987 and 1997 with rs technic

    利用從同一經度的不同森林類型ndvi值分析，沿緯度方向ndvi變化可得出， ndvi在冬春季變化最明顯（尤其是在4月份最大） ，而在夏季和秋季變化不明顯。利用ndvi均值進行分析，從暖溫帶到亞熱帶到熱帶的變化情況發現，從暖溫帶到亞熱帶ndvi指數形成明顯的階躍，而其它區域沒有太大的變化，同時對幾種典型的針葉林曲線分析可知其年初的凹值源自於我國東部季風的影響。利用ndvi數據分析其與月均溫度與降水的相關性得出與溫度相關性較為顯著，而與降水相關性不顯著或無相關性。
  13. The results of linear regression indicate that the addition of pam do not alter the avrami exponents, about 2 - 3, which suggests that the crystallization modes might be a mixture of three - dimensional spherulite and two - dimensional circular

    Avrami方程線性回歸結果表明聚甲亞胺的加入對體系的avrami指數n影響不大， n值約在2 3之間。
  14. All subjects underwent spirometry, measurement of aortic pulse wave velocity ( pwv ) and augmentation index, dual - energy x - ray absorptiometry, and blood sampling for inflammatory mediators

    所有的研究對象接受肺量測定法，測量主動脈脈沖速度和增強指數，雙能x線吸收儀和採集血樣分析炎性介質。
  15. All subjects underwent spirometry, measurement of aortic pulse wae elocity ( pw ) and augmentation index, dual - energy x - ray absorptiometry, and blood sampling for inflammatory mediators

    所有受試對象都進行肺活量測定、主動脈脈搏波速（ pw ）和增強指數測量、雙能x -線吸收儀檢查，以及炎癥介質血樣檢測。
  16. 6 ) after passage, the qinchuan - scalper skin fibroblast cells were in lag phase in first two day, then entered log phase and persisted six days, they stayed at plateur phase for about three days ; the mitotic index were most high at the fifth day after culture and toboggan at the sixth day

    從生長曲線可以看出，以低糖dmem培養第4代秦川牛皮膚成纖維細胞，接種后滯留期縮短，約一天左右，之後為對數生長期，持續六天左右，進入平頂期。分裂指數最高時期在培養開始后的第五天，第六天急劇下降。
  17. The observatory launches ultraviolet index forecast

    天文臺推出紫外線指數預測服務
  18. The observatory commences ultraviolet index forecast

    天文臺推出紫外線指數預測服務
  19. Seismological, astronomical and tidal information, ultraviolet index, press releases, educational resources, information on radiation monitoring and time services are available to meet different needs of the public

    此外，網站也因應市民的不同需求提供授時服務紫外線指數地震潮汐和天文資料新聞稿教育資源和與輻射監測有關的資料等。
  20. Results showed the ration of oil inhibitory on alfalfa seed germination was correlated linear - exponent with soil diesel oil densities, and yellow leaf and drying up was appeared after sprouting in high density dealing group

    結果表明，紫花苜蓿種子發芽抑制率與土壤柴油污染濃度明顯指數線性相關，而且發芽之後高濃度處理組幼苗出現黃葉和乾枯現象。
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