直接測序法 的英文怎麼說

中文拼音 [zhíjiēcèxùfǎ]
直接測序法 英文
direct sequencing
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 直接 : direct; immediate
  1. The percentage of polymorphic sites, degree of genetic polymorphism and genetic distance were compared and the phylogenetic tree was constructed by neighbor - joining method. the partial mitochondrial 16s rrna gene was amplified by polymerase chain reaction ( pcr ) and the pcr products were directly sequenced after purified. these sequences, together with the homologous sequences of another trichiuridae species lepidopus caudatus obtained from genbank were used to analyze nucleotide difference and to establish a upgma phylogenetic tree by means of biological informatics

    汝us價ay1830 ）各12個個體進行rapd分析，對比多態位點比例、遺傳多態度以及遺傳距離，並構建neighbor - join噸系統樹;通過pcr擴增出線粒體165rrna基因，純化后直接測序，利用生物信息學方法進行序列分析和核昔酸變異比較，結合ge紅bar止中大西洋叉尾帶魚（ lepid （護腳caud玫tuseuphrasen1788 ）同源序列構建u甲cm叭系統樹。
  2. This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load, compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method, that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly. in addition, the directness *, simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab. the circuit of the general inverter based on the tms320f240 dsp was used in this paper, and the practicable program was compiled

    本文分析了異步電動機輕載時降壓節能運行的原理，對幾種提高效率的方案進行了比較，確定了通過直接檢測電動機鐵損和銅損來實時調節輸入電壓以達到高效節能目的的控制方法，應用matlab軟體對系統進行模擬，在基於tms320f240dsp的通用型變頻器上編制了實用化的程序，形成了完整的樣機，對其進行了測試，並給出了試驗結果。
  3. The level building algorithm is used to match a series of dtw to an observation sequence, without having to first segment the sequence into sub - sequences produced by different models

    Lbdtw演算法不需要預先將連續輸入的字元預分割為單字字元數據，而直接將連續輸入的待測字元序列與所有參考模式進行dtw匹配識別。
  4. Next, we proposed the method of fitness sequence statistics analysis, to directly explore characteristics of fitness landscapes, and to further measure the extent of ga - hardness

    提出了一種排序統計分析方法，可以直接測試適應值曲面的特徵，從而進一步反映遺傳演算法對該問題優化的困難程度。
  5. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小波，對勵磁涌流和內部故障電流進行小波分析，並設計微機型變壓器保護基本配置，在以往間斷角原理鑒別勵磁涌流的基礎上，突破傳統精確測量勵磁涌流間斷角的方法，直接對信號小波變換后的波形進行分析，建立一個新的鑒別勵磁涌流判據，該判據對硬體要求不高，可以在現有一般硬體平臺上實現；並編寫以b樣條函數為母小波的小波變換判據演算法程序。
  6. At last, compared the three data extention technologys merits. the time - series based and neuron network based data extention methods were proposed. chapter four studied the improvement of the emd algorithm al efficiency and precision. reserthed the effect of spline interpolation ' s end condition to the emd algorithm ' s precision, then discussed the low - order and propoed high - order spline interpolation based emd algorithm and their effects

    第三章介紹了emd演算法端點效應的機理；然後系統地研究了直接信號序列延拓技術、基於時間序列預測和基於神經網路預測的數據序列延拓技術的特點及性能；最後，對各種延拓技術進行了比較研究，分析了各種延拓技術的優缺點。
  7. The detection and parameter estimation based on high - order statistics are another approach for ds - ss / bpsk signals. in this paper, a sort of detectors based on fourth - order statistics slices are presented to detect the presence of signal and estimate the carrier frequency and symbol period of ds - ss / bpsk signal

    高階統計分析技術是檢測直接序列擴頻信號的另一途徑，本文提出了一類基於和四階統計量切片的ds - ss / bpsk信號的檢測與參數估計方法。
  8. Based on the analysis of vhf - rc, the method of applying chaos direct sequence spread spectrum communication ( cds - ssc ) to ahts has been studied and discussed in this thesis. in this method, cds - ssc, which combines chaos sequences ( cs ) of high rand quality with ds - ss excelling in resisting interferences, is used to realize the transmission of hydrologic data

    文中所述方法利用混沌直接擴頻通信的通信方式來實現水文數據的傳輸，即將隨機性能較強的混沌序列作為擴頻碼與抗干擾性較強的直接擴頻通信相結合，應用於水文自動測報系統中去。
  9. Objective : to clone and sequence the cdna encoding metalloproteinase from the venom of agkistrodon acutus from northen mountain area of guangxi province. methods : one step method was used to extract total rna from the venom of agkistrodon acutus found in northern mountain area of guangxi province. different kinds of cdna encoding metalloproteinase were amplified by one step method ( rt - pcr and pcr reactions occurred in the same tube ) using different primers

    方法：從桂北五步蛇毒腺中抽提總rna ，利用不同的引物，採用一步法（ rt - pcr和pcr在同一管內進行）擴增出不同的dna條帶，利用平端連接的方法將pcr擴增產物克隆至pgem - teasy載體，轉化大腸桿菌jm109 ，挑選白色菌落提取質粒，用pcr對其進行鑒定，直接利用純化pcr產物或提取陽性菌落質粒進行測序。
  10. The selection of the pn sequence is very important because it influences the quality of the channel measurement directly. so it is discussed in this paper. because this system is a set of software radio, that is to say that the system is based on the pc platform and all other function is implemented by programming, so the selection of correlation fast algorithm, which is used in receiver frequently, is also very important

    本文對直序擴頻技術進行了系統地研究，對其中偽隨機碼的選擇直接影響到通道測量的質量的問題進行了討論，因為本系統是一套軟體無線電，即以pc機為平臺，其他的功能都由軟體編程完成，所以對信號接收中大量使用的相關的快速演算法的選擇也至關重要。
  11. So it is appears important to analyse capability of this structure, the people can compute all kinds of complex structure ’ s response under different sorts of exact load on current software, but the source program of the computing question, which is “ black box ”, on the contrary, fepg can get the source program, which can provide preference for the optimization of structure, even embed in the optimizing program and save much time of compiling program, linking to ga to identify the load can get the good result. so the problem is solved to alleviate the deadweight and the optimize design of the structure, as well as improve its secure capability

    對格柵結構進行力學分析就顯得至關重要，盡管利用通用有限元軟體能夠計算結構承受任意可以準確描述的載荷作用下的響應問題，但內部計算卻是「黑箱」操作，利用fepg可以得到計算源代碼，能夠為優化程序提供參考甚至可以嵌入其中，節省繁瑣的有限元計算編程內容，結合遺傳演算法進行載荷重構，往往會收到很好的效果，這就解決了由於工作環境比較復雜，引起響應的載荷難以直接測量得到的難題，從而為結構優化設計和提高安全性能的提供了保障。
  12. In the text, direct sequence spread spectrum signal ( dsss signal ) is the main object, and some nonlinear methods based on chaotic theory, used in the prediction of signal and detection of signal is studied

    本文以保密通信中廣泛使用的直接序列擴展頻譜信號（ dsss信號）為主要對象，研究了一些基於混沌理論的非線性的方法在信號預測和信號檢測中的應用。
  13. On the basis of the loess distribution, engineering geology and specific properties of road use in gansu province, this paper divides traffic volume grade according to the conditions of transportation of all high - grade highways which are being built and have already finished. besides, it analyses the relativity of three different test methods, establishes the related relations, and divides their strength grade after measuring rebound module of subgrade of the representative high - grade highways in gansu loess area. furthermore, it recommends the common semi - rigid and asphalt concrete design parameters by comparing the experiment in doors to outdoors, and draws up the optimized design program aga - lq based on advanced genetic algorithm and solves the non - liner optimization design model of asphalt pavement construction by computer

    本文基於甘肅黃土分佈、工程地質及路用特性研究，對該黃土地區在建和已建的全部高等級公路交通狀況進行了詳細調查和分析，劃分了交通量等級；對甘肅黃土地區代表性的高等級公路，利用三種不同方法實測了土基回彈模量，分析了各測試方法的相關性，建立了相關關系，對土基回彈模量進行了強度等級劃分；通過室內外試驗比較，推薦了常用的半剛性材料和瀝青混凝土設計參數值；利用計算機編制了基於改進遺傳演算法的優化設計程序aga ? lq ，並成功求解了瀝青路面結構非線性優化設計模型；最後經計算提出了甘肅黃土地區高等級公路瀝青路面典型結構，並編制了查詢圖庫軟體cx ? lq ，供設計單位直接選用，科學簡便地解決了甘肅黃土地區的路面設計問題。
  14. In the second part, the new method is compared with the old one in such aspects as system structure and signal processing methods. in the third part, the properties of dsss and lfm systems, especially the echo signal correlation processing of the systems are discussed. the last part are the respective analyses of water - pipe simulation experiment results and the trial results in zhong yuan oil field

    本文首先介紹了超聲測距的基本原理，分析了通道的聲傳輸特性；接著將傳統液位測量方法和新型液位測量方法的系統構成和信號分析處理方法做比較；然後對系統的發射信號（直接序列擴頻信號和線性調頻信號）的特點進行了研究，並著重討論了回波信號的相關處理；最後對水管模擬實驗測量結果和油田實地測量結果分別進行了分析和討論。
  15. To solve this problem, this thesis will focus on investigation of the following detection methods based on the features of the dsss signal and with the binary - phase - shift - keying dsss ( dsss / bpsk ) signal as an example. 1. the power spectrum of the dsss / bpsk signal is discussed and the detection performance in each power spectrum estimation method is compared in terms of nonparametric methods, parametric methods and subspace methods in power spectrum estimation

    本文針對這一問題，從dsss信號特徵出發，以二進制相移鍵控的直接序列擴頻（ dsss / bpsk ）信號為例，研究了以下檢測方法: 1 .從功率譜估計的非參數方法、參數方法和子空間方法入手，討論了通過不同類型方法估計的dsss / bpsk信號功率譜，並比較了各功率譜估計方法應用於dsss / bpsk信號檢測的性能。
  16. It is true in difficult cases, such as degraded dna or samples containing minimal amounts of genomic dna. to investigate the sequence diversity of mtdna in taiyuan han population, mtdna nt16081 - 16546 sequences were determined in 58 unrelated han chinese from taiyuan. sscp method was developed as one of screening measures which were used to examine polymorphism of mtdna, so as to supply a rapid and simple method for forensic casework

    方法隨機抽取58名太原地區漢族群體無血緣關系個體的靜脈血， edta抗凝，改良的tkm法提取mtdna ， pcr擴增、純化后，應用377序列分析儀進行直接測序分析；對毛發、指甲、骨骼等微量或嚴重降解檢材進行mtdna序列分析；採集同一屍體血液、肌肉、肝、腎、心肌、不同部位的毛乾等組織進行同一性檢測；對20個兩代家系進行突變觀察。
  17. The operation reliability of the power transformer as the key equipment in electrical power systems, influences operation security of electrical power systems directly. the components and contents of gases dissolved in transformer oil can be used to reflects internal insulation faults of operating transformer. in order to overcome the errors caused by complex handling procedure and man - made factors using general chromatogram analysis method, author brings forward an on - line detecting of gases dissolved in transformer oil by using macromolecule polymer to separate oil and gases automatically and an information fusion technology of multi - sensors ; at the same time, in order to improve the accuracy and reliability, author uses neural networks to diagnose transformer faults

    變壓器作為電力系統的樞紐設備，其運行可靠性直接影響電力系統的安全運行；變壓器油中溶解氣體的成分和含量能有效體現運行變壓器內部的絕緣故障情況，為解決常規色譜分析中復雜的操作程序和由於人為因素引起的較大的誤差，論文提出了應用高分子聚合膜實現變壓器油氣自動分離、多傳感信息融合技術智能檢測多種氣體成分的變壓器油中溶解氣體在線監測技術，應用神經網路智能診斷方法實施故障診斷，提高變壓器故障診斷的準確性和可靠性。
  18. [ methods ] by using the overall rna of our previously cultured human melanoma cell line ( a375 ), full length fasl gene is detected by rt - pcr. using the cdna as template, . the extracellular domain of fasl ( fasl - ecd, 127 - 278aa ) is amplified by pcr. the pcr products are directly cloned into t vector pmd - 18t

    L方法採用新鮮人黑色素瘤細胞（ a375 ） ，抽提該細胞的總rna ，進行rt一pcr反應分析a375內fasl全長編碼基因的轉錄表達，以a375細胞cdna為模板，用pcr產物直接克隆法擴增人fasl一ecd （人fasl胞外區）的編碼基因，即127一278位氨基酸殘基，而後將pcr產物直接克隆于pmd一1st載體中，獲得重組質粒pmd一t - fasl一ecd ，進行dna測序。
  19. The author summarizes the current situation of the large scale data topographic map surveying ; analyzes the technology used in the large scale data - mapping system ; introduces system error correction ways based on time series analysis and analyzes the basic method of getting topographic information directly from the aerial photogrammetric surveying

    摘要概述了目前大比例尺數字化地形圖測繪的現狀；分析了實現大比例尺數字化航測成圖系統的相關技術；引入了基於時間序列分析的系統誤差修正方法，分析了直接從航測影像獲取地形信息的基本方法。
  20. Then, to get more knowledge about the rpob gene mutations and provide some scientific information to study the molecule mechanism of resistance to rifampin in mycobacterium tuberculosis, the rpob gene sequence of mycobacterium tuberculosis clinical isolates from shannxi was analysed by direct sequencing of pcr products

    隨后通過直接測序法對陜西區域內結核分枝桿菌臨床分離株rpob基因pcr擴增產物進行序列分析，了解該區域rpob基因突變情況，為研究結核分枝桿菌耐利福平的分子機制提供參考。
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