positive-sequence 中文意思是什麼

positive-sequence 解釋
正序的
  • positive : adj 1 確實的,明確的;確定的;無條件的 (opp qualified implied inferential); 絕對的,無疑問的,...
  • sequence : n 1 繼續;接續;連續。2 順序;程序;次第;關系;關聯。3 後果;結果;接著發生的事;後事;後文。4 ...
  1. The 600 bp and 800 bp pcr products were cloned into the pgem - t easy vector. their cdna sequences were determined with positive clones or purified pcr product. conclusion : compared the 600 bp pcr product with the amino acids sequence for the fibrinolysin metalloproteinase from the venom of agkistrodon acutus from the southern of anhui province, their homology is 90. 6 %

    結果:其中一對引物擴增得到一600bp產物;另一對引物擴增得到三條特異性的dna條帶,大小分別為1 . 5kb 、 1 . 3kb和800bp ,將600bp和800bpdna進行克隆及測序,並推導編碼的氨基酸序列。
  2. 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分析以及確證性測序證明,所克隆的1500bp左右的片段含有完整的3abc基因,與國外參考序列相比,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擴增以及序列分析,發現克隆到ptriex - 4neo載體上的片段於3abc基因708bp處出現了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,選出含有3ab基因完整閱讀框架的陽性克隆,用iptg誘導表達,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。
  3. Two positive clones were sequenced, and the results showed that its nuclcotidc sequence includes an open reading segment which codes for a 45 - amino acids protein and three endonuclcase sites which arc1 bgii, bamh i and bgi ii, this protein was identified as metallothionein based on its characteristic described above and its similarity ( 85 % ) to the mtn gene of drosophila : the 10 cysteine residues present occur in five pairs of cys - x - cys, x is serine, valine, ilistidine or lysine

    結果顯示:擴增的cdna片段長度為289bp ,其中含有一個編碼45個氨基酸的開放閱讀框,閱讀框所編碼的氨基酸中含有10個半胱氨酸,且在序列中均排列成cys - x - cys ,其中x為ser 、 val 、 his或lys 。這些特徵說明擴增的基因片段為家蠅mt基因序列的一部分。此基因序列片段與果蠅mtn基因序列的同源性達到85 . 0 ,擴增的基因序列中含有三個內切酶位點bg 、 bam和bg ,這一點也和果蠅mtn基因十分相似。
  4. Positive sequence polyphase system

    正序多相系統
  5. Represent finite positive rational numbers by convergence subsequence of harmonic sequence numbers

    利用調和數列的收斂子列表示有限正有理數
  6. By blue - white screening and sequence analysis, we obtained the positive clone. 2. we constructed plant binary expression vector carrying fusions of the enhanced camv 35s promoter and dreb1c ( 35s : dreb1c ) in the sense orientation

    我們從擬南芥基因組中克隆了dreb1c基因全長,並將其連接到中間載體pgem - t - easy上,進行了測序驗證,結果顯示所克隆的dreb1c序列完全正確。
  7. The cloning cdna fragment was extracted from positive clones and sequenced. the results showed that the cdna fragment was 816bp in size, encoding a protein which included 272 amino acids. the sequence homology analysis was carried out via the software blast 2. 0 network service in the four large databases - genbank, embl, ddbj, pdb, which had recorded 1 337 978 nucleotide and protein sequences. the results of the analysis indicated that the nucleotide homologous rates between the rubber tree etr and 15 recorded etrl of other plants ( mango, passion fruit, persia plum, strawberry, grape. . etc ) were 75 % - 80 % ; the protein homologous rates between the rubber tree etrl and these recorded etrl genes were 90 % - 95 %. from the results mentioned above, we could confirm that the cdna of rubber tree etrl had been cloned

    從陽性克隆子中提取克隆片段,經序列測定分析,結果表明,克隆片段的cdna大小為816bp ,編碼的蛋白質包含272個氨基酸。基因序列通過blast2 . 0networkservice軟體對genbank , embl , ddbj , pdb四個大型數據庫中記錄的1337978條核酸和蛋白質序列進行序列相似性檢索,結果表明與芒果、一西番蓮、波斯梅、草毒、葡萄、西洋梨等15種已報道的植物的etrl基因cdnag的同源率為75 88 ;蛋白質氨基酸序列的同源率為90 95 ,表明本研究確實克隆到了橡膠樹etri基因的cdna序列。 4
  8. At first, 1. 67 u g per well mcab all was coated on three wells of a plate, and then 1. 5 x 1011 phage virion was diluted and added, after incubating with the target, wash away unbound phage by tbst ( 0. 1 % tween - 20 ), the bound phage was eluted with ph 2. 2 tris - gly buffer and amplified, the specially bound phage was enriched by taking through addition binding / amplification cycles. ln the following cycles, the stringency of panning can be increased by raising the concentration of tbst or decreasing that of mcab all, collecting and titering the washing phage of last time and output phage in each round, the selective ratio and the false positive rate of each round were worked out, the gradually increasing of selective ratio and decreasing of positive rate shows that the panning was effective. after 4 rounds of panning, 11 phage clones were selected after competitive - ellsa, the dna samples of 8 positive clones and 1 negative clone were sequenced and all the foreign peptides inserted was also deduced, a clear consensus binding sequence emerged

    在本實驗中,利用隨機12肽庫對抗豬瘟病毒( classicalswinefeverviruscsfv )糖蛋白me2的單抗a11進行表位篩選,經過四輪篩選以後,隨機挑取11個克隆作競爭- elisa檢測,結果表明,所挑11個克隆中,有9個克隆能對me2蛋白和a11反應產生抑制作用,抑制率最高可達64 ; dna測序以後經過dnastar軟體分析,發現它們的核心序列為anwralsl ,該核心序列與豬瘟病毒e2蛋白的28 - 35位氨基酸ttwkeysh具有同源性;夾心- elisa檢測和western - blotting試驗均證明所挑陽性克隆能被a11所識別;人工合成含核心序列的多肽經間接elisa試驗證實,也能被a11識別。
  9. Calculated from the transformation efficiency. human recombinant intercellular adhesion molecule 1 was immobilized on the elisa plates. after 4 rounds affinity panning and elisa analysis, 5 positive phage clones that can bind to icam - 1 specifically were selected. these positive clones were sequenced and the amino acid sequence of 15mer were deduced. the ka of one positive clone was 7. 8710

    首次利用定量圖像分析的方法研究野生大熊貓的取食行為,結果顯示:其取食行為存在固定的模式,這一模式是在其身體發育的過程中逐步形成的。
  10. The fourth chapter was under the title of " fact - affirmation power ", the fifth " law - application power ", and the sixth " proceeding - direction power ". in the first chapter " positive study of the trial power ", beginning with the basic meaning of the civil trial power, the writer gave a brief clearance of the historical development sequence of the trial power ; and upon this, he gave his own opinions about the system guarantee and reform of the moving of the civil trial power. he viewed that as for the guarantee, whe

    認為,就我國現行民事審判權運行的制度保障而言,無論是其中的組織制度,還是人事制度,抑或是活動制度都不同程度地存有問題,因此,對組織制度和人事制度應進行相應的變革,而對活動制度則應進一步地落實與完善;同時並認為,對包括民事審判制度在內的司法體制的改革應有統一的領導機構來進行部署和協調,以確保改革的成功。
  11. Positive sequence impedance

    負序阻抗
  12. This thesis proposed a real - time detection method for fundamental negative - and positive - sequence based on space vector

    本文提出了一種基於空間矢量概念的基波正序、負序分量實時提取新方法。
  13. In order to improve the behavior of transformer protection that is incomplete at present in distinguishing magnetizing inrush current from fault current, the paper puts forward a kind of new principle of transformer differential protection after analyzing the characteristic of magnetizing inrush and active power consume of transformers. this protection uses differential protection based on positive sequence active power as a criterion to discriminate internal faults from magnetizing inrush, and ratio restraint differential current protection as a signal to touch off the protection

    針對當前電力系統中變壓器保護由於勵磁涌流鑒別理論不完善而導致的誤動率相對較高的問題,論文在分析了變壓器勵磁涌流特性和有功損耗的基礎上,提出了用變壓器正序有功功率差動作為區別勵磁涌流和故障電流的判據,並以成熟的比率制動差流保護作為內外部故障判據的變壓器主保護。
  14. For any positive number and ( between and + 1 ) there exists a meormorphic function of order which possesses a sequence of filling - up discs of index and no sequence of filling - up discs of index greater than

    摘要對任一正數和(在和+ 1之間) ,可構造單位圓內一個級亞純函數,具有一個級充滿圓序列,但沒有大於級的充滿圓序列。
  15. On the analysis of the theory of instantaneous reactive power, the paper brings forward a new harmonic detection method based on multiple frequency transform. the detection theory of positive sequence harmonic and negative sequence harmonic is respectively proved in detail. the correlative concepts are defined and the simulation validates the feasibility of this method

    本文在分析瞬時無功功率理論的基礎上,提出了一種基於倍頻旋轉變換的諧波測量方法,分別針對正序和負序分量,從理論上證明了該方法能分離出單個的諧波,給出了相關量的定義,最後通過模擬驗證了該方法的有效性。
  16. Abstract : applying the frequency - domain representation of the complex signals in a three - phase system, a harmonic detection method based on the in - phase correlation filtering was put forward in this paper, which can be used to detect effectively the generalized harmonics in the three - phase system except the fundamental of positive sequence

    文摘:採用三相系統復信號的頻域表示並根據頻譜搬移原理,本文提出了一種基於同步相關濾波的諧波檢測方法,可用於三相電路中除正序基波以外廣義諧波的有效檢測。
  17. A simple and easy operating criterion is put forward in accordance with the relation between positive - sequence component and negative - sequence component of stator current when the motor is in unbalance and single phase broken. based on analyzing the traditional inverse time - lag overloading protection of motors, an inverse time - lag operating equation with accumulating stator current is achieved, according to the differential equation of the heating and cooling while the current flows into the conductor

    在分析電動機傳統的反時限過負荷保護的基礎上,根據導體中流過電流時的發熱、散熱微分方程得到了累加定子電流的反時限過負荷保護動作方程,經簡化后得到累加定子電流的實用的反時限特性遞推公式。
  18. In order to consider the different heating of positive - sequence current and negative - sequence current of the motor stator generally, the equivalent current is adopted instead of the traditional phase current. the way how to gather positive - sequence current and negative - sequence current is brought forward, and the recurrence fourier - algorithm is adopted to calculate the effective value of current and voltage, the effective value of positive - sequence current and negative - sequence current

    為了全面考慮感應電動機定子正序電流和負序電流的不同發熱效應,提出了正序電流和負序電流獲取的方法,並採用遞推傅氏演算法來實現電流、電壓及電流正序和負序分量的有效值的計算。
  19. Based on the concept of space vector, an open loop detecting method for the fundamental negative and positive sequence components as well as the harmonic components is developed, which combining the conventional detecting method based on filters and the concept of space vector. this method can overcome the defaults of the conventional detecting method, and can meet the requirement of the asymmetrical control of hvdc - vsc

    基於空間矢量的概念,提出了一種開環的基波正序分量、基波負序分量及諧波分量的實時檢測方法,這種方法可以看作是空間矢量的概念與傳統的基於濾波器的諧波檢測方法的結合,它能夠克服原有的基於濾波器的檢測方法的不足,可用於hvdc - vsc的不對稱運行控制。
  20. Aiming at the unsymmetrical three phase voltages from inverter after a failure, the dissertation get the relationship among the positive sequence ( ps ), negative sequence ( ns ) and the instantaneous symmetrical component of the ps, this build the foundation to detect the fault and to get the fault feature

    針對逆變器故障后的電壓輸出的不對稱性,利用對稱分量法對逆變器輸出信號進行分析,獲得了逆變器輸出信號的數字信號模型,為變頻調速系統的故障檢測與故障特徵提取奠定了基礎。 3
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