文數的 的英文怎麼說
中文拼音 [wénshǔde]
文數的
英文
alphameric-
He could not understand riemann's work on abelian functions nor roch's contributions in his dissertation.
他不能理解Riemann在Abel函數方面的工作,也不懂Roch論文中的論著。He could not understand riemann ' s work on abelian functions nor roch ' s contributions in his dissertation
他不能理解riemann在abel函數方面的工作,也不懂roch論文中的論著。In this paper, we study the convergences of random dirichlet series by the local convergence of random variable and the strong law of large numbers, and obtain some simple and explict formulae on abscissa of convergence
該文是利用隨機變量序列的局部收斂性及強大數定律研究了隨機狄里克萊級數的收斂性,得出了它的收斂橫坐標的簡潔公式Abstract : in this paper, we study the convergences of random dirichlet series by the local convergence of random variable and the strong law of large numbers, and obtain some simple and explict formulae on abscissa of convergence
文摘:該文是利用隨機變量序列的局部收斂性及強大數定律研究了隨機狄里克萊級數的收斂性,得出了它的收斂橫坐標的簡潔公式The fileatime ( ) function returns the last access time of the specified file
函數的作用是:返迴文件的最後的訪問時間。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。In view of this situation and the characteristic of qualitative variable as well as quantitative variable of the geological factors affecting coal seam affusion, put forward the application of numerical theory on the basis of optimization study of orthogonal design to confirm the optimal combination of the technical parameters of coal seam affusion when geological factors is in precarious state and then proceed optimization study with instances
針對這種情況及影響煤層注水的地質因素既有定性變量,又有定量變量的特徵,本文在利用正交設計優化研究的基礎上,提出利用數量化理論確定地質因素為不穩定狀態下的煤層注水工藝參數的最優組合,並結合實例進行了優化研究。They represent 38. 1 % of the total species that have been identified. we performed preliminary study on those mycofiora of agarics under those forests. based on our study, we identified one tropical element family : entolomataceae, two north temperate element families : hygrophoraceae and cortinariaceae ; the other 11 families all belong to cosmopolitan element
根據論文所研究的傘菌類群,從科的地理分佈看,熱帶亞熱帶成分只有粉褶菌科entolomataceae一科;北溫帶成分的科有兩個,即蠟傘科hygrophoraceae和絲膜菌科;其餘的科均為世界廣布的科,占總科數的78 . 6 。On the penultimate blank page of a book of inferior literary style, entitled sweets of sin produced by bloom and so manipulated that its front cover came in contact with the surface of the table with a pencil supplied by stephen stephen wrote the irish characters for gee, eh, dee, em, simple and modified, and bloom in turn wrote the hebrew characters ghimel, aleph, daleth and in the absence of mem a substituted goph, explaining their arithmetical values as ordinal and cardinal numbers, videlicet 3, 1, 4 and 100
在用低俗文學體裁寫的一本題名偷情的快樂的書是布盧姆掏出來的,他擺得很巧妙,使封面和桌面接觸那底封前倒數第二張空白襯頁上,斯蒂芬用一管鉛筆斯蒂芬提供的以簡略體與裝飾體寫下相當于g a d m的愛爾蘭語字母117 。布盧姆則寫下希伯來字母ghimel aleph daleth和qoph這是用來代替所缺的mem的。他還說明,這些字母作為序數及基數的算數值,各自代表三一四及一百118 。This article introduces the features of the high - amperage prebaked aluminum cell at the initial production stage, and based on the results of successful experiments in some smelter, puts up the process parameters settings for the initial production startup stage of high - amperage prebaked cell to realize the high efficiency, energy saving, low consumption, environmental protection and long life of the cell
摘要文章介紹了大型預焙鋁電解槽生產初期的特點,根據在某鋁廠進行成功試驗的結果提出了在大型預焙電解槽生產啟動初期的工藝參數的設置,以達到電解槽高效、節能、低耗、環保、高槽壽命的目的。Abstract : considering the second nearest - neighbor interaction and cubic, quartic anharmonic interactions simultaneously, we employ the multiple scales method combined with a quasidiscreteness approximation to calculate the lattice vibration. it is shown that the kind of nonlinear chain exhibits envelope soliton, envelope kink and envelope antikink soliton. these results can also be used to explain the experimental phenomena that the kink amplitude of the self - localized structure is determined only by the intrinsic properties of its lattices
文摘:同時考慮次近鄰諧振相互作用和三次方、四次方非諧相互作用,利用多重尺度結合準離散近似方法去計算晶格振動行為,發現一維非線性點陣中存在包絡孤子及正扭結型包絡孤子、反扭結型包絡孤子,解釋了自局域結構的幅度只取決于點陣中的固有參數的實驗現象Powerformer have some changes in constract with the conventional generator , subsequently it also have some new problems in order to have an economical , efficient , credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design , magnetism design , thermal design and structural design are have some new changes above all , the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first , it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances , including monolayer - slot , multilayer isometric - slot and multilayer anisometric - slot then , the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second , the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced , including stable reactance , transient and subtransient reactance specially , the saturated influence of the stable reactance is considered then , the results are analysed final , it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then , it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence
基於上述原因,本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式,考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況,並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算,並比較其結果;其次,簡要介紹了有限元法計算powerformer電抗參數的原理,包括穩態電抗、瞬態電抗和超瞬態電抗,對穩態電抗考慮飽和影響,對結果進行分析;最後,介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢,看看繞組排列對諧波磁勢的影響。Multiresolution wavelet is widely used in antinoise application because of the correlation of different layer wavelet coefficients. this paper presents a method called " shifting different layer coefficients " to suppress noise and pick - up the edge
多尺度小波系數由於其相關性而在去噪中得到應用,本文提出利用多尺度小波系數的移位相關的性質來最大限度的抑制噪聲,提取邊緣。Based on the game theory and the main theories of information economics, the relationship between the appointer and the agent in railway property operation was studies ; the relationship between the state and the ministry of railways, and between the ministry of railways and the enterprise was analyzed ; and the method of how to decide the base number under either stable and random circumstances in the commission operation of railway property was studied ; and both the agent ' s interests mechanism in property operation and how to fix the optimizing contract and the optimal strategy under random circumstances were studies also
本文以博奕論和信息經濟學中的主要結論為基礎,對鐵路資產經營中委託人和代理人之間的關系進行了研究,然後對國家與鐵道部、鐵道部與企業進行了資產經營的博奕分析;分別在穩定和隨機環境下對鐵路資產委託代理經營中基數的確定辦法進行了研究;並對資產經營中代理人(承包人)的利益機制和隨機環境下最優合同與最優策略的確定進行了分析。The annual drug bill of the health services is mounting to astronomical figures.
衛生部門的年度藥費快達到天文數字。Firstly human ' s auditory system structure and auditory characteristics are introduced in this paper, and then, some concepts such as intramural time differences ( itd ), intramural intensity differences ( iid ) and head - related transfer function ( hrtf ) are adopted to implement auditory localization. later the constructions of transaural audio localization are proposed based on the hrtf
因此,本文首先介紹了人類的聽覺系統結構和聽覺特性,接著分析了優先效應、耳廓效應等因素對音頻定位的影響,闡明了人類進行音頻定位所必需的耳間時間差,耳間強度差以及頭部關聯傳遞函數的概念。In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis
論文提出以輸電線路本端和對端電流、電壓、功率作為輸入量,導出了超高壓長線的波阻抗和傳播常數的數學解析式,在此基礎上進行了500kv輸電線路實時參數計算;提出以三繞組自耦變壓器的電流、電壓、功率為輸入量,導出了自耦變壓器繞組的電阻、電抗的線性解析式並進而對變壓器的實時參數進行計算;在此基礎上編制了相應的軟體。Pascal published a treatise on binomial coefficient.
帕斯克發表了關於二項系數的論文。This thesis studies the law of affecting de - noise result and the selection of the threshold and the wavelet function, the combination of wavelet and fft in the fault diagnosis of turbine - generator sets : by the de - noise anslysis of blocks and sin signals, concludes : to blocks signals, usually adopts soft threshold ; the law of affecting de - noise result is when use wavelet auto - de - noise, with the increasing of decomposed level, the de - noise result becomes worse while the level blow the 3, when the level above 3 and when uses wavelet packet, it is the other way round ; the best de - noise methods of the signal is that uses " dbl " wavelet function, three level, soft and " rigrsure " threshold
本文研究了分解層數對消噪結果影響的規律和閾值、小波函數的選取,結合小波分析與fft分析診斷汽輪發電機組的故障。通過對brocks和sin兩信號的分析,得出:對blocks信號進行分析一般採用軟閾值;分解層數對消噪結果影響的規律為用小波自動降噪在分解層數小於3時,隨著分解層數的增加,消噪結果變好,反之,則變差,用小波包降噪時隨著分解層數的增加,消噪效果變好;適宜選用dbl小波軟rigrsure閾值自動消噪。In order to solve the problem that there is no theoretic foundation on how to set parameters in ga, this paper presents parameter rules based on analyzing the search ability of ga operators. then, use these rules to analyze an instance of model identification which is based on ga
本文針對遺傳參數缺乏理論指導的問題,採用簡單的概率分析方法,從遺傳運算元的搜索能力的角度出發,分析了變異運算元作用機理,得出部分演算法參11浙江大學碩士學位論文數的關聯約束。分享友人