氏數列 的英文怎麼說
中文拼音 [shìshǔliè]
氏數列
英文
fibonacci-
The results showed that the f fragment, 728bp in length, could be a new gene with a little homology to the genes coding for polyketide synthetase or fatty - acid synthetase and the b fragment, about 4kb in length, is inferred to have repeat sequences around tn5 insertion site, in which there is homology to the wa 314 right arm of the high - pathogeniciry island of yersinia enterocolitica. to reveal any pathogenicity of enterobacter cloacae b8 and its mutated strains b8b and b8f to animals, the experiment with mice was carried out
結果顯示, f片段長度為728bp ,與現有生物數據庫的blast比較分析,發現該序列僅有局部短於1oobp的區域與polyketide合成酶基因或與脂肪酸合成酶基因有低的同源性,推測為一新基因; b片段長約4kb ,序列拼接結果推測靠近tn5插入位點部位有重復序列,對b片段tn5遠端的部分序列進行blast比較,發現它與小腸結腸炎耶爾森氏菌的強毒力島有一定的同源性。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In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study
在本文第二章討論了當系統從空閑進入忙期時是服務臺以速度1進行服務,但一旦對某顧客服務完畢時如發現系統中的顧客數超過n值時就以速度2服務后續顧客直到系統變空的可修排隊系統,通過構造各種向量馬氏過程和吸收向量馬氏過程,獲得了瞬態、穩態隊長分佈、等待時間分佈、逗留時間分佈、更新周期分佈等一系列排隊指標以及可用度、可靠度等一些可靠性指標,在本章最後又從系統如何更好節省費用角度出發討論了門限n的最優取值問題,並利用mathematic軟體對費用函數進行了數值模擬。Setup functions enable user - defined adaptation of a wide variety of options such as display contrast, record printout, saving data on the computer, general code, temperature calibration, acoustic signal, date and time, id, data transfer, update fix programs, language, c f changeover, check program, battery change, diagnosis data, printing programs, seal test, service functions for maintenance
設置功能允許使用人員對多種選項進行定義和調節,例如顯示屏幕對比度列印記錄把數據記錄到計算機上總碼溫度校正音響信號日期和時間識別傳輸數據固定程序升級語言攝氏和華氏溫度轉換檢查程序更換電池診斷數據列印程序測試密封保養用服務功能。Setup functions enable user - defined adaptation of a wide variety of options such as display contrast, record printout, saving data on the computer, general code, temperature calibration, acoustic signal, date and time, id, data transfer, update fix programs, language, screen saver, c f changeover, check programme, battery change, diagnosis data, printing programs, seal test, service functions for maintenance
設置功能允許使用人員對多種選項進行定義和調節,例如顯示屏幕對比度列印記錄把數據記錄到計算機上總碼溫度校正音響信號日期和時間識別傳輸數據固定程序升級語言屏幕保護攝氏和華氏溫度轉換檢查程序更換電池診斷數據列印程序測試密封保養用服務功能Was supplied. its essential characteristics are as follows : short rods, 2. 0x1. 6 ^ m in diameter, arranged singly, gram negative, facultatively anaerobic, having both a respiratory and a fermentative type of metabolism, oxidase negative and catalase positive
通過形態觀察及生理生化特徵測定發現菌株w12為革蘭氏陰性菌,短桿狀,對數生長期細胞大小為: 2 . 0 1 . 6 m ,單個排列;兼性厭氧,氧化酶陰性,發酵葡萄糖產酸產氣,不運動。The most important property for hamiltonian systems is the poincare and liuville ' s conservation law of phase areas, i. e., the phase flow is a one - parameter symplectic transformation
哈氏系統最重要的性質是龐加萊-劉維爾的一系列相面積的守恆律,即系統的相流是一個單參數的保辛變換。General method of similar sequence mining based on time series is to transform time series into discrete character series and cluster them into different sets, then compute the euclidean distance between querying series and these sets to measure their similarity
摘要時間序列數據庫中相似子序列的搜索,常用滑動窗口、分形插值逼近等方法將時間序列分割成各子序列,線性擬合各分段子序列,計算查詢序列與各子序列的歐氏距離,滿足距離閾值條件的為相似子序列。The strong deviation theorems are new type theorems established by using the notion of the likelihood ratio. professor liu wen frist applied an analysis method in solving a class of strong deviation theorems for a sequense of random variables. later professor liu wen studied the shannon - mcmillan theorem in information theorems [ 2 ] - [ 8 ] and deviation theorems of non - negative continuous random variables [ 10 ] - [ 11 ] by using the analytic technique and obtained some strong deviation theorems. the chapter 2 of the paper studied a class of strong deviation theorems of function of two variables of information sources and obtained a further study of shannon - mcmillan theorem of markov information sourses by definning the using concept of entropy density divergence. the chapter 3 of the paper studied a class of strong deviation theorems of non - negative continuous random variables by using tool of transformation of laplace. information theory, as a branch of applied probability theory, becomes more and more important in appling
劉文教授在解決大數定律中,用首創的分析方法得到一類隨機變量序列的強偏差定理。后來,劉文教授把分析方法用於信息論中shannon - mcmillan定理和連續型隨機變量的偏差定理的研究,得到了若干強偏差定理。本文的第二章是引進任意信源相對熵密度偏差的概念,並利用這個概念研究任意信源二元函數的一類強偏差定理,得到了馬氏信源shannon - mcmillan定理的一個推廣。Our results show that the rate of correlation among the random variables of those output sequences are low although they are not independent ; in addition, the output sequences of those combined generators are homogeneous markov chains which are strictly stationary processes with ergodicity ; the output sequences of those combined generators are also proved to summit to the strong law of large numbers and the central limit theorem ; finally the computation formula of the rate of the accordance between the output sequences and input sequences of those combined generators is given
我們的研究結論表明:雖然這些序列中隨機變量之間不具有相互獨立性,但它們的相關程度卻比較低;證明了「停走」生成器, km _ 1m _ 2型組合生成器和加法型組合生成器的概率模型輸出序列都是強平穩的和遍歷的齊次馬氏鏈;討論了這些序列的概率極限性質,證明了它們均服從強大數定律和中心極限定理;還分別給出了各類生成器的輸出序列與輸入序列之間的符合率的計算公式。Markov chains are special random process. renently, professor liu wen, who first invented the analysis method in solving large number theory, connected it and markov chains and got some limit properties about one - order markov chains
劉文教授在大數定律的研究中把首創的分析方法和馬氏鏈結合起來,得出一系列有關一重馬氏鏈的極限結果,本論文繼續並拓廣這方面的研究,相應於一重馬氏鏈,二重馬氏鏈也有其相應的極限性質。Though the technique of nuclejc transformation in plants has been developed and used widely, some problems in genetic information have not been resolved. for example, because the nucleic genome is so big and complicated that the integration sites and copies of foreign gene can not be controlled accurately, the expression of transferred genes is inefficient as a result of gene silencing or position effect. in nucleic transformation, furthermore, the transfer of multigene is difficult, and only after the prokaryotic genes undergo modification are they expressed in high plants
植物的細胞核轉化技術已發展成熟並得到廣泛應用,但核基因組的遺傳轉化仍存在一系列至今尚未解決的問題:例如由於核基因組大,背景復雜,外源基因的整合位點和整合的拷貝數難以人為控制,造成鄭州大學2003年博士學位論文杜氏鹽藻( dunaliellasalina )葉綠體轉化研究外源基因表達效率低,容易出現基因失活、基因沉默、位置效應等現象;同時轉入多個基因時操作步驟過于復雜,所表達的原核基因必須經過修飾改造,環境安全難以保證等。The vector equations are set up for four loop of one kind of nine - link barranov truss by complex number vector method, and the four equations are changed into complex exponential number form
摘要使用復數向量法對9桿巴氏桁架4個迴路建立幾何關系,列出矢量方程組並轉化成為復指數形式。By using this method, we deduced the probability generating function of the binomial distribution in the markov dependent sequence
利用這一方法推導了在馬氏相關序列下的二項分佈的概率函數。As corollaries, we get the strong law of large numbers for the frequencies of occurrence of states and ordered couple of states for markov chains indexed by a homogeneous tree
作為推論,得到了齊次樹指標可列馬氏鏈關于狀態和狀態序偶出現頻率的強大數定律。分享友人