指數變化 的英文怎麼說

中文拼音 [zhǐshǔbiànhuà]
指數變化 英文
index movement
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 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. Analysis on ffmi and fmi changing of children during puberty development

    青春發育期兒童非脂肪組織和脂肪組織指數變化分析
  3. This thesis analyze the effects of its mechanism dimension to the working properties with many of date, and the flux curve of principal and subordinate piston mortar pump, and the effects of the transition working area of the compensatory cylinder to the working properties, and find the differences between the actual properties and the theoretical model, proposes the measures for the improvements, as well as gives the guiding instructions for the mortar pump design

    數據分析了主從活塞式砂漿泵機構尺寸參數變化對泵工作性能的影響，分析了主從活塞式砂漿泵的排量曲線，以及補償缸工作的過渡區間對泵工作性能的影響，找到了泵實際工作性能與理論模型的差別並提出改善措施，對該砂漿泵的設計提出指導性建議。
  4. At present, the studies about the controlled alternate furrow irrigation are focused on how it affects the water physiological indexes, water consumption and yields of crops. but, some problems suc h as the soil infiltrative parameters, irrigating water advancing, water redistribution in soil, calculation of crop water requirement and water consumption, and the upper and lower limit indexes of soil moisture, guiding a field irrigation after the controlled alternative furrow irrigation is implemented in field, have not been researched systematically and deeply. if these problems could not been solved commendably, the popularization of controlled alternate furrow irrigation will be affected

    然而，目前有關交替隔溝灌溉的研究還主要集中於這種灌水方式對作物水分生理指標、耗水量和產量的影響方面，而對大田採用這種灌水式后的土壤入滲參數變化情況、作物需水量與耗水量計算、以及指導大田灌溉的水分下限控制指標等與大田生產實際密切相關的幾個問題基本上還沒有進行系統的深入研究，而這些問題如不能得到很好地解決，勢必會對這種灌水方式的推廣應用產生嚴重的影響。
  5. The model of variability of submergence depth is established based on the law of volume balance, and the changing trends of parameters like submergence depth etc are analyzed. according to the principle of supply and discharge balance, the method to predict oil yield is presented. subject to different objective functions, the corresponding optimum combinations of suction parameters are analyzed, and the importance of choosing objective function to optimum combination of suction parameters is emphasized

    本文研究了油井流入動態關系，根據井筒內液量平衡原理，建立了沉沒度變化的數學模型，分析了沉沒度等參數變化規律；根據油井供、排平衡原則，得出了抽油泵排量系數相對穩定狀態下產量預測的關系；分析了不同目標函數下，油井抽汲參數的組合效果，指出了目標函數選取對參數合理組合的重要性。
  6. This software system of chip simulation ' s main function is simulate the main logic circue chips, 8088cpu, memory, registers, data _ bus, address _ bus, control _ bus and other chips. this function is based on the object - oriented technology, construct the chip object by the chip classes that we defined. because this system need to simulate the detail function of computer hardware, so this system simulate the 8088cpu ' s order system, support the basic compile languages. one of the feture of this system is the simulation of a static memory, the room of the memory can be configured by testers from 1k to 64k

    由於本系統在模擬過程中需要完全模擬計算機硬體的工作原理，因此本系統還模擬了8088cpu的基本指令系統，支持基本的匯編指令，在實驗過程中可以由實驗者輸入相應的匯編指令以執行操作，並查看各晶元器件的引腳參數變化情況。本系統模擬的一個特點是動態模擬了存儲器的大小，存儲器容量可以由實驗者根據需要自己設置，范圍從1k到64k 。
  7. The results prove that : ( 1 ) when the mach number of the flow at the exit increases, the total pressure recovery decreases, and the circular steady total pressure distortion coefficient, turbulence intensity and synthesis distortion increase

    研究結果表明： （ 1 ）地面工作狀態下，隨著出口馬赫數的增加，蛇形進氣道出口截面的總壓恢復系數不斷下降，而穩態周向畸變指數、紊流度和綜合畸變指數均上升，穩態徑向畸變指數變化不大。
  8. The sensitivity algorithm is a knowledge of research on the affection of parameters varies to system performance. combination with pressing force and infuse time predicted model, by using sensitivity algorithm, the affection of cast temperature, mould temperature and infuse pressure on infuse time is researched deeply, and the affection of cast temperature, infuse time and infuse pressure on the pressing force in the origination stage of extrusion process. the sensitivity analysis has huge instructing significance to the selection of parameters

    靈敏度演算法是分析參數變化對系統性能影響的一種有效工具，所以本文引入靈敏度演算法，結合壓制力和浸滲時間預測模型，深入研究了澆注溫度、模具溫度和浸滲壓力對浸滲時間的影響關系，以及澆注溫度、模具溫度、浸滲時間和浸滲壓力對擠壓過程起始階段壓制力的影響，對于參數的選取，具有一定的指導意義。
  9. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討，從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結；應用輪軌系統動力學，建立了輪軌空間耦合振動時變模型，採用vogel側磨指數作為鋼軌側磨指標，系統分析了輪軌參數變化的情況下，軌頭側面磨耗的變化規律，重點分析了軌道不平順對鋼軌不均勻側磨的影響；對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析，通過擬合得到了鋼軌側磨量與運量的關系曲線，並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律；最後提出了一些減緩曲線鋼軌側面磨耗的措施。
  10. ( 3 ) during the 1997 / 1998 el nino we find western pacific warm pool ( wpwp ) sst variation, abnormal west wind, eastern pacific warm pool ( epwp ) sst variation and abnormal north wind are associated with the nino3 index change

    （ 3 ）在1997 1998elnino事件期間，西太平洋暖池海表溫度變化及異常西風和東太平洋暖池海表溫度變化及異常北風兩者都與nino3指數變化密切相關。
  11. Time, the paper studies rheology of rockfillwith yin zongze model, of two yield surface and rheological relation of negative exponential, and some formulas are obtained it is difficult to determine the rheological parameters, of rock fills through laboratory test for the limited specimen, dimension, short duration and particle, constituents

    本文採用殷宗澤雙屈服面模型與堆石流變的負指數變化關系式，研究堆石的應力與流變關系，並推導了相應公式。在流變參數確定方面，由於室內試驗的試樣尺寸、時間比尺和顆粒破碎很難模擬現場條件，根據室內試驗直接確定堆石的流變參數是困難的。
  12. Long period variability and color indices variability of

    714的長期光變和色指數變化
  13. 2. to analyze the factors that influence the changes of stock exponent combined with the theory of circle - logic. 3

    結合循環邏輯理論，分析影響股票指數變化的因素及其這些因素對股票綜合指數值的影響。
  14. During the 20 years, the shape index of farmland decreased, the one of grassland with high coverage increased and the one of other landscape had no obvious change

    在20年間，耕地的形狀指數減小，高覆蓋度草地的形狀指數增大，其它類型景觀形狀指數變化不明顯。
  15. Diversity index h increases in one day and decreases sharply in ten day, while dg index decreases continuously ( dg index of soil animal community of no haloxyfop - r - methyl pollution > that in one day spraying haloxyfop - r - methyl > that of ten days after spraying haloxyfop - r - methyl )

    土壤動物群落多樣性指數h在施蓋草能一天後升高，十天後顯著下降； dg指數變化趨勢為未施蓋草能群落施蓋草能后一天施蓋草能后十天。
  16. The benthic macroinvertebrate dominant concentration gradually increases from 1 st to 6th order streams. the change trend of ept taxa richness and total taxa richness resembles to the change trend of shannon - wiener diversity index, and there is highest macroinvertebrate diversity in 4th order stream among 1st to 6th order streams in changjiang river

    一至六級支流底棲動物優勢集中性有逐漸升高的趨勢， ept分類單元數、總分類單元數與多樣性指數變化趨勢相似，總體上以4級支流的底棲動物多樣性最好。
  17. The variational rate of every population in seis epicemix model

    流行病模型中各類人群的指數變化率
  18. Especially since june, 2001, the shanghai and shenzhen composite stock indices had fallen by 40 percent for successive seven months, resulting in huge losses to investors

    特別是在近幾年，我國滬深兩市的綜合指數變化頻繁而且變化幅度較大，使得投資者虧損嚴重，因而對股指期貨產生了迫切的需求。
  19. Exponential fund is one kind adds up to target index with drafting, dog target index change is a principle, realize the fund breed that grows with market synchronism

    指數基金是一種以擬合目標指數、跟蹤目標指數變化為原則，實現與市場同步成長的基金品種。
  20. Abstract ： this thesis discussed the relations between the interest rate going down and the trending of stock market going up through observing the data change from the stock market to interest rate adjusted down 7 times during 1996 - 1999

    摘要：本文通過觀察自1996 - 1999年連續七次利率下調伴隨的中國股市指數變化情況討論了利率下調與中國股市長期向上趨勢的關系。
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