指數型分佈 的英文怎麼說
中文拼音 [zhǐshǔxíngfēnbù]
指數型分佈
英文
exponential type distribution-
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。Purpose : to explore the risk factors for nosocomial infection of urological surgical department. method : 2 976 cases of urological surgical patients was investigated retrospectively for the nosocomial infective prevalence in urological surgical department from the april 1996 to april 1999. result : nosocomial ratio in urological surgical department was 4. 87 %, in which 73. 1 % for male and 26. 9 % for female. the infective sites are lower respiratory tract, surgical wound, urinary tract, gastrointestinal tract, upper respiratory tract and skin - soft tissues in turn, infection rates were 4. 38 %, 10. 4 %, 13. 6 %, 27. 6 %, 25. 5 %, 30. 3 %, 20. 8 %, 42. 6 % for clean wound, dirty wound, infection wound, artery catheter, venouse catheter, urinary tract catheter, respiratory tract, and general anesthesia respectively. conclusion : the nosocomial infection was not related to age, infection time and the usage of antibiotics ; but was closely related to gender, surgical sites, surgical wound type, invasive operation, the degree of tisk index and micropathogens
目的:探討泌尿外科醫院感染的危險因素.方法:回顧性調查1996年4月1999年4月間我院泌尿外科手術患者2976例的醫院感染情況.結果:泌尿外科醫院感染率為4 . 87 % ，其中男性佔73 . 1 % ，女性佔26 . 9 % ;感染部位依次為下呼吸道、手術傷口、泌尿道、胃腸道、上呼吸道、皮膚軟組織;類切口術后感染率為4 . 4 % ，類切口術后感染率為10 . 4 % ，類切口術后感染率為13 . 6 % ;動脈插管感染率為27 . 6 % ，靜脈插管感染率為25 . 5 % ，泌尿道插管感染率為30 . 3 % ，呼吸道感染率為20 . 8 % ，全麻感染率為42 . 6 % .結論:醫院感染與患者年齡、感染時間和抗菌藥物使用情況無關，與性別、部位分佈、手術切口類型、侵入性操作、危險指數等級及病原微生物有密切關系Abstract : purpose : to explore the risk factors for nosocomial infection of urological surgical department. method : 2 976 cases of urological surgical patients was investigated retrospectively for the nosocomial infective prevalence in urological surgical department from the april 1996 to april 1999. result : nosocomial ratio in urological surgical department was 4. 87 %, in which 73. 1 % for male and 26. 9 % for female. the infective sites are lower respiratory tract, surgical wound, urinary tract, gastrointestinal tract, upper respiratory tract and skin - soft tissues in turn, infection rates were 4. 38 %, 10. 4 %, 13. 6 %, 27. 6 %, 25. 5 %, 30. 3 %, 20. 8 %, 42. 6 % for clean wound, dirty wound, infection wound, artery catheter, venouse catheter, urinary tract catheter, respiratory tract, and general anesthesia respectively. conclusion : the nosocomial infection was not related to age, infection time and the usage of antibiotics ; but was closely related to gender, surgical sites, surgical wound type, invasive operation, the degree of tisk index and micropathogens
文摘:目的:探討泌尿外科醫院感染的危險因素.方法:回顧性調查1996年4月1999年4月間我院泌尿外科手術患者2976例的醫院感染情況.結果:泌尿外科醫院感染率為4 . 87 % ，其中男性佔73 . 1 % ，女性佔26 . 9 % ;感染部位依次為下呼吸道、手術傷口、泌尿道、胃腸道、上呼吸道、皮膚軟組織;類切口術后感染率為4 . 4 % ，類切口術后感染率為10 . 4 % ，類切口術后感染率為13 . 6 % ;動脈插管感染率為27 . 6 % ，靜脈插管感染率為25 . 5 % ，泌尿道插管感染率為30 . 3 % ，呼吸道感染率為20 . 8 % ，全麻感染率為42 . 6 % .結論:醫院感染與患者年齡、感染時間和抗菌藥物使用情況無關，與性別、部位分佈、手術切口類型、侵入性操作、危險指數等級及病原微生物有密切關系The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand
針對流域特點建立了基於水資源的流域可持續發展評價指標體系，引入發展系數、協調系數、公平系數，以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數，提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究，論文根據生態適宜性理論，建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型，利用遙感技術成果以及植物生理需水的現場實驗數據，提出了乾旱區天然植被生態需水量計算方法。Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin
通過對平莊盆地基礎地質資料、國內外大量地熱地質資料的分析和野外地質調查、礦井實測地溫以及上升泉、斷層涌水的地球化學分析等工作基礎上，指出地處低地溫梯度背景區的平莊盆地地溫梯度異常是由於盆地基底隆起和坳陷引起傳導型大地熱流再分配所致；運用州sys數值模擬了大地熱流向地表傳導背景下的盆地地溫場，從而揭示了盆地基底（義縣組）頂界面地溫分佈特徵；闡明了盆地具有形成中低溫對流型地熱系統所必需的導水斷裂、補給水源等的良好條件，中低溫對流型地熱系統是地熱勘查的主要對象；圈定了平莊盆地北部朝陽溝?駱駝營子地熱勘查遠景區。( 2 ) region is mainly made up of large patches which are distributed collectively. region landscape is mainly made up of the hill grassplot landscape of mountainous region and desertification landscape. ( 3 ) with the enhancement of human beings effect, landscape diversity indexes are declined, landscape evenness indexes are reduced, and landscape fragmentations are intensified
通過這些指數的分析表明：甘肅省以草地景觀為主，斑塊數較多，大小斑塊間差異較大，斑塊形狀較復雜，自相似程度較低，區域總構形較復雜；區域總構形以大斑塊為主體，呈聚集型分佈，構成景觀主體的是山地丘陵草地景觀和裸地景觀；隨著人類干擾強度增加，景觀多樣性下降，均勻度降低，景觀破碎化程度加深。The other research purpose is to discover characteristic information and reliable methods of reflecting spinal cord damage. due to typical damage indicators, amplitude and latent period, have bugs such as limited information and weak stabilities, this project recommends applying time - frequency analysis to monitoring spinal cord function. through analysing and comparing typical signal with stft and cwt, it is proved indicators under time - frequency distribution can be better in reflecting signal changes, espcially the wavelet transformation
針對目前ep監測中判定脊髓損傷的指標（波幅和潛伏期）存在信息量相對較小、穩定性較差的缺陷，本課題提出利用時頻分析技術對術中脊髓功能監護進行研究，通過短時傅立葉變換和小波變換分析和比較典型信號的時頻分佈，證明時頻特徵參數能更有效的提取信號的變化信息。Previous researchers have always determined the sp atial distribution patterns ( sdp ) of castanopsis kawakamii with a sample - dis tance method. however, the distribution patterns may be affected by the quadrat si ze and, in the course of analysis, the density differences among the cluster plots are not considered ; therefore, differences of cluster plot size and the dispersi on degree among individuals of cluster plots can not be known. authers of this pa per have determined the spatial distribution patterns of castanopsis kawakamii population in different habitats by means of non - quadrat distance method and a nalysed the pattern intensity and grain of the sdp. the pattern intensity is defi ned with the relative density differences and the pattern grain can embody the d ispersion degree of the individuals in the plots, and the dispersion degree among the plots. the determined results are as follows. the intensities of the species range in order from strong to week : litsea mollifolia p. kawakamii i. purpure a r. cochinchinensis c. kawakamii c. carlessii d. oldphamii s. superba. the gra ins of the species queue in order from coarse to close : s. superba = litsea mollif olia r. cohinchinensis c. kawakamii = i. purpurea c. carlessii p. racemosam d. oldp hamii. these determined results tally basiclly with the results authers of this paper have got in determining the same plots by means of aggregate index access ing method. in view of this, it is held that the sdp of c. kawakamii is closely related to the habitats and biological features
前人都是採用樣方方法對格氏栲種群數量的空間格局進行測定，而格局分佈有可能受樣方大小的影響，且分析過程中沒有涉及聚塊間密度差的問題，因而無法掌握種群的聚塊大小差別及聚塊內個體間的離散程度.本研究採用無樣方距離法，測定不同生境的格氏栲種群空間格局，分析格氏栲種群格局的強度和紋理.強度以聚塊和間隙的密度差來定義，紋理則是體現聚塊內個體間的離散程度與諸聚塊間的分離程度.測定結果表明，格氏栲種群格局強度從高到低排列次序為：木姜子蚊母樹冬青茜草樹格氏栲米櫧虎皮楠木荷；格局紋理從粗到細的順序是：木荷=木姜子茜草樹格氏栲=冬青米櫧蚊母樹虎皮楠.這一測定結果與作者採用聚集度指標測定相同樣地格氏栲種群空間格局的結果基本相符.因此，格氏栲空間格局類型及分佈與格氏栲生物學特性及生境的關系密切One is the evt - based var model ( including gev model and gpd model ), the other is the quantile regression var model. secondly, i evaluate predictive performance of a selection of var models for chinese stock market data. these var models include riskmetrics method, historical simulation, monte carlo method, and the three recent models based on quantile regression and extreme value theory
本文首先重點探討了極值分佈var模型（包括廣義極值分佈和廣義帕雷托分佈兩個模型）和分位數回歸var模型；然後在此基礎上將六個var模型（包括上述三種模型、歷史模擬法、 riskmetrics方法以及蒙特卡洛法）實證應用於估計上證指數、上證180 、深證成指、深證綜指95 var和99 var ；同時採用區間預測法、損失函數法和符號檢驗法對這些var模型進行了選擇評估。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。The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore
第一章回顧了孔結構在當今國內外的研究現狀，包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀，介紹了孔結構研究方面的一些最重要的成果；第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理，並討論了水泥基多孔材料孔隙分析中常用的表徵參數，也說明了壓汞法測孔對研究結果的影響因素，指出了壓汞法在孔結構研究中的局限性；第三章是著重分析了孔隙率與強度關系模型的發展歷程，並對已有的模型進行了比較分析，指出了原有模型的不足之處；第四章在「綜合集成」的基礎上，提出了混凝土孔結構復合體模型和孔系統的物理模型，並模擬了該模型下由各單體並聯形成的復合體的斷裂過程，最後根據所建模型編制了相應的計算程序，可根據輸入的孔徑分佈與水泥含量等參數，實現混凝土理論強度的計算；第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析，根據回歸分析的方法得到了反映基體強度特徵的k值，並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響，檢驗模型的正確性；第六章是結論與展望，根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。From the distribution of rotation period and convection parameter of m type stars, stellar chromospheric activity of m type stars depart from the anticipation of a. dynamo theory obviously
從m型主序星的自轉周期的和恆星內部對流區隨色指數的分佈來看， m型主序星的色球活動行為與發電機理論的預期有明顯的差異。For a - early f type ms stars, stellar chromospheric activity decrease with stellar rotation period, but increase with rossby number ; for m type ms stars, stellar chromospheric activity increase with stellar rotation period and rossby number, and stellar chromospheric activity reach saturation at large color index ; for the ms stars between mid - f to m type, stellar chromospheric activity decrease with stellar rotation period and rossby number
A ?早f型主序恆星的自轉周期和恆星對流區的隨色指數的分佈明顯地影響著這些恆星的色球活動行為。而m型主序星的色球活動水平基本上隨自轉參量的增大呈上升趨勢，並且m型主序星的色球活動水平在色指數較大時趨于飽和。On base of results above, composite model of ssta in pacific and circulation anomaly are constructed for analysis their evolution. during mature phase of el nino usually in winter, positive ssta dominates in tropical eastern ocean and negative ssta dominates in west wind drift district in mid - latitude ocean, correspondingly the pna index of 500 hpa geopotential height is positive which means the aleutian low gets strong, and the situation is somewhat inversely during la nina phase of ssta
合成位相反映了太平洋ssta演變特徵，以及相對應的大氣環流異常特徵：當西風漂流區處于暖態而熱帶中東太平洋海溫偏低時，合成大氣模型當中阿留申低壓減弱， 500hpapna指數為負異常；當西風漂流區處于冷態，熱帶中東太平洋處于暖態（ elnino峰值?成熟期ssta典型分佈） ，合成大氣模型中阿留申低壓加強， 500hpapna指數為正異常。A discrete probability distribution named as distribution of exponential difference is presented in this paper, formula to calculate the most probable success number, mathematical expectation and variance are derived for this distribution, relationship between this distribution and geometric distribution is discussed, a application of this distribution in markovian chain is given
摘要本文提出了一個離散型概率分佈：指數差分佈，推導了該分佈的最可能成功次數、數學期望和方差，探討了該分佈與幾何分佈的關系，給出了該分佈在馬爾可夫鏈模型中的應用。A case study is presented for the reachable workspace of the human finger ( flexion / extension planar motion ), based on the research on the anthropometric data of human finger kinematic parameters and the joint motion range limits, and then 3 - d modeling of fingers reachable workspace using a recursive swept boundary method is constructed
通過測量活體手指的長度及活動度，研究了人體手指幾何和運動參數的分佈，並用曲麵包絡的方法求出手指可達工作空間的三維模型。As examples, heterogeneous anisotropic fractured rocks of which the autocorrelation functions of crack number density can be described as 2 - dimensional exponential ellipsoidal or gaussian function were simulated especially. the results show that : 1 ) the random distribution characters could be different for different elastic constants under the same random distribution of crack number density. 2 ) the exponential ellipsoidal heterogeneous anisotropic random fractured model could be a suitable model for the multi - scaled and self - similar heterogeneous media
模擬結果表明： 1 ）彈性常數的分佈特徵與裂紋數密度的分佈特徵不相同，並且裂紋數密度對不同的彈性常數有不同程度的影響； 2 ）指數橢圓型隨機裂縫模型適用於模擬具有多尺度、自相似的特性非均勻裂縫巖石； 3 ） gaussian型隨機裂縫模型適用於模擬單尺度、平滑的非均勻裂縫巖石。So we mainly do the following works : firstly, we restrict the population distribution in the family of exponential distributions, construct the program of sequential confidence intervals for the one - dimensioned function of unknown parameters with general form, and acquire its some asymptotic properties, such as asymptotic consistency, asymptotic efficiency and bounded cost of ignorance
為此，我們做了以下工作：我們首先把總體分佈局限在指數型分佈族中，建立了未知參數一般形式的一維函數的序貫置信區間程序，並得出它的漸近相合性、漸近有效性和未知代價的有界性。Finally, we point out that the above asymptotic properties of the program of sequential confidence intervals based on moment estimates are not restricted by the family of exponential distributions, while it requires finite moments with high order
最後指出，由定理的證明可知，上述矩估計序貫置信程序的漸近性質不受指數型分佈族的限制，但要求一定的高階矩有限。In this paper, we firstly put forward a distributed wfms architecture based on corba technology to meet the requirements such as performance, scalability, reliability, support of invoking extern application and data distributing, we then implement its prototype with java and also do a case study ; secondly, we design a process definition language described by xml, which has a strong ability of expression ; thirdly, xml is adopted to describing the workflow relevant data and transferring the parameters, which handles the complex data type very well ; finally, the further research task is pointed out
本文首先提出一個基於corba技術的分散式工作流系統體系結構以滿足系統在性能、可擴展性、可靠性、外部應用調用支持和數掘分佈等方面的要求，然後以java語言實現了其原型系統並做了初步應用測試；其次，設計了一種具有較強的描述能力xml過程定義語言；第三， xml還用於工作流相關數據變量的描述和參數封裝與傳遞，對復雜數據類型提供了較好的支持；最後，指出需要繼續完成的研究任務。分享友人