導出序列 的英文怎麼說

中文拼音 [dǎochūliè]
導出序列 英文
derived sequence
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : Ⅰ動1 (排列) arrange; form a line; line up 2 (安排到某類事物之中) list; enter in a list Ⅱ名詞1...
  • 導出 : leading-out; derive; derivation
  1. In this paper, first strand cdna of 3abc gene was synthesized using template rna extracted from cells infected with fmdv. the complete 3abc gene about isoobp was amplified by pcr and ligated into pgem - t easy vector. after transforming e. coli dh5 a, ampicillin resistant colonies were isolated and plasmid dna was prepared and analyzed by restriction analysis and pcr. presence of the full length 3abc gene was verified by nucleotide sequence analysis and the plasmid containing the expected sequence was named as pgem - 3abc. comparing the aquired sequence of 3abc with that of reference strains, the homology is more than 99 percent. the pgem - 3abc was digested with sal i and bgl ii and ligated into xho i and bgl ii - digested expression vector ptriex - 4 neo. lt was identified by restriction analysis and pcr and sequencing that this fragment had a 17bp deletion hi the nucleotide sequence 708bp of 3abc gene, which happened to form a terminator codon behind 3ab gene, but it contained the complete open reading frame ( orf ) of 3ab gene. positive clones were selected and induced with lmmol / l isopropyl - d - galactoside ( iptg ), bacteria were detected by sds - page and western blotting after properly treated. the results showed that the 3ab gene expressed successfully in e. coli and 33. 5ku fusion protein can be recognized by the positive bovine serum of fmdv. the amount of target protein is over 26 % of the total bacteria protein by gel thin layer scanning analysis

    擴增產物連接到pgem - teasy載體中,轉化大腸桿菌dh5菌株,篩選氨芐青霉素抗性菌落,提取質粒經酶切鑒定、 pcr分析以及確證性測證明,所克隆的1500bp左右的片段含有完整的3abc基因,與國外參考相比,同源性在99以上。將重組質粒pgem - 3abc和表達載體ptriex - 4neo分別用sal和bgl與xho和bgl消化后,亞克隆3abc基因至原核表達載體ptriex - 4neo中,通過酶切鑒定、 pcr擴增以及分析,發現克隆到ptriex - 4neo載體上的片段於3abc基因708bp處現了17bp的缺失,碰巧在3ab基因后形成一終止密碼子,但3ab基因的閱讀框架完整,選含有3ab基因完整閱讀框架的陽性克隆,用iptg誘表達,收集菌液進行sds - page電泳、 westernblotting分析,結果表明, 3ab基因在大腸桿菌中成功表達,其表達產物為分子量33 . 5ku的融合蛋白,並能被口蹄疫病毒陽性血清識別。經薄層掃描分析,表達量占總蛋白量的26以上。
  2. In this paper, the radiolocation technique and principium of ofdm in the cell - communication system were introduced firstly, and sensitivity of ofdm system to synchronization was analyzed. then, two methods of timing synchronization based on the cyclic prefix and pilot sequence were introduced, and a novel timing synchronization method based on pilot sequence was presented, which provided a correlation peak with pulse shape

    由於ofdm系統中的定時同步要求和無線定位中的測時測距在本質上是一致的,所以本文緊接著分析了基於循環前綴和的兩種定時同步方法,並提了一種新的基於的具有脈沖形狀相關峰的定時同步方法。
  3. 4. the caxa application programming interfaces are researched and a function module which is helpful to the assembly process planning is developed. the module can build assembly tree, bill of materials and the xml files and new assembly

    4 、深入研究caxa二次開發介面功能,研究並開發了對裝配工藝規劃起輔助作用的功能模塊,該功能模塊能夠生成裝配樹、裝配bom表,xml文件,能通過參考典型裝配生成新的裝配
  4. Two complete squence primers were designed based on the result of race. a 1475bp sequence was amplified by pcr. the analysis of the product shows that the nucleotide and deduced amino acid sequences share 40 % - 60 % homologous to the corresponding parts of - glc gene family of pinus contorta, cucurbita pepo, arabidopsis thaliana by the blast _ w program comparison

    經blast搜索表明:克隆所得堿基和推的氨基酸與已克隆的小松樹、西葫蘆擬南芥等植物體內-葡萄糖苷酶基因的cdna相應有40 ? 60的同源性,因此我們推斷擴增所得到的為茶樹中-葡萄糖苷酶基因的cdna 。
  5. The feasibility of decomposition of transition firing sequence, the application of them in the detecting lfs and the reverse course of decomposition - synthesis are discussed. they provide theoretic basis for our algorithm in the field of petri net. supported by the above, two main part is included in the algorithm : at first, x is transacted according to the following method in order to get a set of xb named as basic vector of x which is the firing count vector of a directed path without circle if md is reached from m0 in the rg ( m0 )

    在變遷分解的指思想下,我們的演算法主要通過以下兩步工作完成: ( 1 )首先對給的已知條件中滿足狀態方程的n維非負整數向量進行處理,得到一組x的基礎向量x _ b ,使得在petri網的可達標識圖中,若存在一條由m _ o到m _ d的有向無環路,則x _ b為這樣的路上變遷引發的發生數向量。
  6. Due to the needs for the flat spectrum character, the leading sequence requires high self - correlation. the author selected a series of sequences whose highest peek to second highest peek ratio is big, from a series of " m " sequences. then, the optimized leading sequences were judged according to glf, the sequences which have lower glf would be more proper for the estimation

    首先,作者提搜索的標準,根據前要有平坦的譜特性,從而要有好的自相關性,從一種m中找最大峰與次大峰比例較大的一些,然後根據增益損耗因子來判決最佳前,增益損耗因子越小的越適于估計。
  7. Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn

    了將譜分析與抗差估計相結合的抗差譜分析方法,並用該方法分析了地心運動時間的主要周期特性;為合理地確定地心運動參數,詳細研究與分析了一種新的定權方法對求解地心運動參數的作用,該方法充分利用了gps觀測量的統計精度、點位的幾何分佈以及物理穩定性;為了明確地心運動致的高程基準的變化,分析了地心運動對地面點的水平分量和垂直分量的影響規律。
  8. In this paper, phylogenetic relationship of 13 species involved in 6 genera of cruciferae wer e carried out through both the clones of homologous sequences with the primers designed on the basis of conserved regions of cyp86mf gene in cytochrome p450 gene superfamily and the differential analyses of them. meanwhile, complete sequences of some genes in cytochrome p450 gene superfamily were isolated and identified by smart pcr - race strategy, and expressed in e. colt. the results were as follows : ( 1 ) isolated by pcr from 11 species of cruciferae, eleven homologous gene segments that deduced amino acids were identities of over 80 % at nucleotide sequence level and similarities of over 70 % at amino acid sequence level

    本論文以已知的細胞色素p450基因超家族成員cyp86mf基因的保守區設計引物對十字花科重要蔬菜作物的6個屬13個物種進行了同源的分離克隆,通過核酸的差異比較分析,研究了該基因在不同物種中的進化關系;同時,通過保守引物的pcr擴增和race相結合的方法對十字花科植物不同物種的細胞色素p450基因家族成員基因全長進行了分離克隆、鑒定和原核表達的研究,獲得如下研究結果: ( 1 )通過pcr從十字花科植物不同物種中擴增到11個可以推完整氨基酸的同源片段。
  9. This thesis mainly discusses the techniques of channel estimation in frequency domain, which utilizes the optimized leading sequence. an enhanced method for searching optimized leading sequences is introduced based on existing documents. this method can decrease the errors and make the searching and caculating easier

    本論文主要討論用最佳前在頻域中進行通道估計的問題,在前人的基礎上提一種改進型的搜索最佳前的方法,可使得估計誤差減小且便於搜索計算,模擬驗證了演算法的有效性。
  10. In the requirement of promotion of students " individuality, the development of limes and the reformation of leaching, we can see that it ' s necessary for chinese language teaching to deal with these four aspects of listening, speaking, reading and writing properly according to this, this article raises some detailed suggestions : ( l ) study the training order of listening and speaking, improve the textbooks ; ( 2 ) f, xplore ( he content and method of listening and speaking tests, to correct the orientation ( 3 ) improve the chinese curriculums, to connect the inside - classes with the oulside - classes ; ( 4 ) make use of modern education thoroughly, to optimize teaching procedure

    第四部分,正確處理語文教學中聽說讀寫關系的建議從學生的主體發展、時代發展和教學改革對聽說讀寫的要求中,可以看語文教學需要正確處理聽說讀寫的關系,以此作為依據,本文提的具體建議有:一、研究聽說訓練,完善教材;二、探索聽說考試的內容與方法,撥正向;三、改進語文課程的設置,課內外結合;四、利用現代教育技術,優化教學。
  11. With the analysis that the year was divided from two seasons to four seasons, this article probes the order of universal come - to - be of the taiyishengshui : at first, the order of sishi was not such as spring - summer - autumn - winter, but as winter - spring - summer - autumn ; the second, with promoting in universal come - to - be, the yin - qi was regarded as dominating in winter - spring, and the yang - qi dominating in summer - autumn ; the third, that the yin - qi came from sky and the yang - qi from the earth is a important characteristic of early taoist cosmology

    摘要本文從中國古代對歲的劃分從二時到四時的發展入手,綜合探討太一生水篇所呈現的宇宙生成順:首先,此處的四時順不當如時賢所云之春夏秋冬,應做冬春夏秋方為合理;其次,此處的陰陽二氣在宇宙生成中正處于上升的過程中,其與四時的配置是陰氣主冬春,而陽氣主夏秋;第三,陰氣乎天,而陽氣乎地,這個觀念是早期道家宇宙論思想的一個重要特點。
  12. The nucleotide ( nt ) sequence of the insert in phz1754 is 2299bps in size. computer assisted analysis of the sequence revealed an open reading frame ( orf ) with a g + c content of 70. 3 % that would encode a protein of 552 amino acids ( aa ). the nt seque nce comparision revealed that the orf in the sequenced region exhibits 85 % dna sequence homology with the cholesterol oxidase gene choa of streptomyces sp

    對phz1754進行外切核酸酶( exonuclease , exo )順缺失,獲得單向長度漸減重疊的系突變體,核苷酸測定顯示該ecor - sal片段的精確大小為2299bps , frameplot程分析揭示該區域一個完整的開放閱讀框( orf )的存在,其大小為1656bps , g + c含量為70 . 3 ,編碼552個氨基酸,利用blastsearch程將orf的核苷酸及推的氨基酸與因特網上基因及蛋白質數據庫進行綜合比較,發現無論在核苷酸水平還是在蛋白水平上,該orf均與膽固醇氧化酶表現同源性,而且與鏈黴菌膽固醇氧化酶同源性最高,說明該orf編碼膽固醇氧化酶基因。
  13. In the second chapter, we used the two deformed newton which was discussed in the chapter 1 to solve the problem of finding the roots of nondifferentiable equations and established convergence theorems using majorant method

    在第二章中,用第一章討論過的兩種牛頓迭代來解決不可方程的求根問題。並且用優方法給了收斂性定理。
  14. The article studies the convergence properties of the sequence, net, filter base and filter in top space, proves the consistency between the convergences of the filter and its corresponding net, and proves the equivalence of filter derived net and its corresponding net

    摘要對拓撲空間中的、網、濾子基和濾子的收斂性質進行了研究,證明了濾子收斂與濾子對應的網收斂是一致的,並證明了濾子網與對應網是等價的。
  15. The major contributions of the dissertation are as follows : 1. it is well known that the multi - value cdma spreading codes can be designed by means of a pair of mirror multi - rate filter - banks based on some optimizing criteria. the dissertation indicates that there exists a theoretical bound in the performance of its circular correlation property, which can be described by an explicit expression. based on this analysis, a criterion of maximizing entropy is proposed to design such codes

    研究了基於兩帶鏡像多速率濾波器組來設計的多值cdma擴展碼的方法,並推了基於這種方法設計的碼在循環相關特性方面所能達到的極限,以及達到此理論極限時應滿足的條件;在此基礎上,提了一種基於熵最大化準則來產生cdma擴展碼的設計方法。
  16. In the synchronous techniques based pilot symbols, here propose a frequency offset estimating arithmetic using discrete pilot symbols. we pick up integer times sub - carrier frequency offset from the same ofdm symbol and estimate exact

    此外,在頻偏估計方面,推短訓練前後兩段時域符號間的關系,並利用此進行粗頻偏估計,使頻率偏移的估計范圍大大增加。
  17. Based on piecewise linear model, this paper proposes an estimation method that first estimates the slope of linear variant and the channel impulse response at the middle time of the current ofdm symbol using pilot sequences, and then estimates the whole channel impulse response through the estimated parameters

    該演算法首先利用估計當前ofdm符號間隔內通道線性變化的斜率和中間時刻通道的沖激響應值,然後根據線性模型利用估計的參數得到當前符號間隔內所有時刻上的通道沖激響應。
  18. Stock market is full of risk. the author attempts to forecast stock price and guide the investment effectively by investigating the potential low of stock price, which is a timely waved series

    證券市場變幻莫測,作者試圖找股票價格這一時變波動的運行規律,從而對股價進行預測、對股票投資行為做有效指
  19. Nc machining requires " interpolation " algorithms that accurately and efficiently generate sequences of reference position, distributed according to a prescribed feedrate function, along the tool paths. this paper present a systematic derivation of the proper taylor series coefficients for variable feedrate interpolators. when the path is ph curves, detailed formulations for instances are presented where the feedrate v is specified as a constant, the function of the time t, the arc length s and the local curvature k

    對于nc加工要求插值演算法沿著刀具路徑準確、有效的生成參考點(根據預先指定的速率函數進行分佈)的實際工程需要,本文系統地推了變速率插值運算元的泰勒系數,給了當路徑為ph曲線,速率v為常數,及時間t 、弧長s 、曲率k的函數時具體的插值運算元。
  20. Yuelu house has an extraordinary axes of spatial sequence. as being an important part of the former space, a leading space acts a guide, a contrast and a foil to main space

    嶽麓書院有著十分突的空間主軸線,引空間是重要的前奏部分,對主體空間起著引、對比、烘托的作用。
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