sequence transformation 中文意思是什麼

sequence transformation 解釋
序列變換
  • 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 ...
  • transformation : n 轉變，變化；變形；【生物學】（尤指昆蟲的）轉化，變態，改造，改革；變質；【數學】變換；【電學】...
  1. In the experiment, the full code sequence of bar gene was cloned by pcr from transgenic herbicide resistant bobwhite wheat and checked. it was expressed in e. coli and its protein was determined. after having been properly modified, the bar gene which correctly codes pat was cloned into binary vector pbi121 and then transferred into lba4404 by triparantal crossing, which is the prerequisite work for genetic transformation

    本實驗從抗除草劑轉基因bobwhite小麥中，利用pcr克隆的方法擴增出bar基因全長，並在原核表達系統中表達，鑒定表達蛋白的活性，將能夠正確編碼ppt乙酰轉移酶的bar基因片段，經過適當的修飾構建入真核表達載體。
  2. Firstly, a natural number chaotic sequence is created with the key. then the image matrix is transformed with this chaotic sequence, using the magic cube transformation. the results indicate that the proposed algorithm can get a satisfying effect

    提出了一種在小波域內的基於混沌序列的模運算數字圖像加密解密演算法和基於混沌序列的魔方變換數字圖象加密解密演算法。
  3. Construction of an expressing vector for antisense rna - ribozyme chimeric dna sequence against tomato acc synthase gene and transformation of tomato

    核酶嵌合基因植物表達載體的構建及對番茄的轉化
  4. Three chloroplast transformation vectors including pds16s - cat, ptn1269 - bar and psp72 - n5 - bar - n3 were constructed, using ! 6s rrna or chln gene sequence as a homologous segment and cat or bar as a selective marker gene, respectively. foreign genes were introduced to the cells of d. salina by microprojectile bombardment method and a pilot chloroplast tran

    3 .杜氏鹽藻葉綠體165出na基因的克隆和轉化載體的構建根據杜氏鹽藻的近緣藻類的葉綠體基因組序列資料，克隆了杜氏鹽藻葉綠體16srrna基因部分序列1100bp ，並利用克隆的16srrna鄭州大學2003年博士學位論文
  5. 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。
  6. Regarded regional unconformity, transformation basement of tectonic regime, incised water channels, discontinuous surface of sidementary facies and exposed surface of lowstand as boundary of sequence, the palaeozoic in the researched area can be divided into three supersequence and fourteen sequence

    以區域不整合面、構造體制轉換面、水道下切谷、沉積相突變面及低水位期暴露面作為層序界面，將研究區古生界劃分為3個層序組和14個層序。
  7. ( 3 ) on the basis of the deletion analysis, three substitution mutants ( ml : 6bp sequence upstream of gcc box m2 : gcc box and m3 : g box - like sequence ) by pcr were designed to isolate the essential ja - responsive element. transgenic tobacco plants containing promoter substitution constructs were generated by agrobacterium - rnqdiaied leaf transformation. loss - of - function experiment, using transient expression analysis of gus reporter genes, confirmed that gcc box act as an essential element to respond ja signaling in pdf1. 2 promoter

    （ 3 ）在缺失突變的基礎上，通過對gccbox及其相鄰的上下游六個堿基進行取代突變，將突變啟動子與gus構建融合基因，在煙草中受heja誘導的瞬時表達結果表明， h1和m3的突變對該啟動子應答ja信號的影響很小，而m2 （ gccbox的突變）則幾乎使該啟動子應答ja信號的功能完全喪失，所以gccbox是該啟動子中應答ja信號的必需元件。
  8. In communications, a cryptographic technique where the sequence of characters or bits is changed by means of a secret transformation

    通信中的一種加密技術。它用保密轉換的方法改變字元或二進制位。同cryptography 。
  9. The study on the function and mechanism of phrip1 is important for clarifying how the cell plate and cell wall form in plants. in this study, full length of phrip1 is amplified by pcr and ligated into pks plasmid, then the bait plasmid, peg202 - phrip1, is constructed. the inseret gene are sure to be translated into the right fusion protein through its sequence. in the yeast two - hybrid system, the bait plasmid ( peg202 - phrip1 ) and a reporter plasmid ( psh18 - 34 ) are introduced into the yeast ( egy48 ) by co - transformation. then cdna library ( which is in pjg4 - 5 ) is screened and two genes are obtained. the two insert gene fragments are sequenced. one of them is plastocyanin, the other is putative photosystem i reaction center subunit ii precursor, both of them are the necessary components of photosynthetic chain

    成膜素相關蛋白1 （ phrip1 ）是一個含608個氨基酸的蛋白質，它對于植物胞質分裂中細胞板的形成起到了十分重要的作用。研究phrip1的功能和機制，對在分子水平上闡明植物細胞板以及細胞壁形成的機理具有重大的生物學意義。在本實驗中，根據phrip1的序列設計引物對其進行pcr擴增，得到該基因后將其連接到了pks質粒上，並進一步構建成了誘餌質粒peg202 - phrip1 。
  10. Upon the construction of weak derivation set, this thesis presents the concept of continuing traceability, and provides decision algorithm for the continuing traceability of a transformation sequence and tittering algorithm for the continuing traceable weak inverse attribute mapping. upon verifying weak derivation set, this thesis gives a series of verification algorithms based on the best property of attribute mapping or transformation

    在構造弱起源集階段，提出了可延續跟蹤性的概念，給出了可延續跟蹤性判別演算法和可延續跟蹤的弱逆映射的篩選演算法；在驗證弱起源集階段，針對不同類型的轉換和屬性映射，給出了相應的驗證演算法。
  11. Secondly, the dissertation proposes a novel blind symbol - timing scheme for ofdm systems based on cyclostationarity feature of received symbols. the proposed schemes also exploits the periodicity of ofdm symbol introduced by cyclic prefix, by applying 2 - dimentional fourier transformation and choosing the appropriate correlation peak value as the symbol start location, the precision of this scheme is higher than previous conventional method. thirdly, the dissertation presents analysis with regard to channel estimation of ofdm systems. several interpolation algorithm in ofdm systems which based on pilot sequence have been analyzed in the first instance, and the influence of the channel noise on interpolation precision has discussed. the theoretic analysis and simulation results show that : the interpolation error induced by the precision of interpolation procedure itself has out weight

    第三，論文在ofdm系統的通道估計方面，先對基於導頻的ofdm通道估計中的多種插值方法進行了分析，討論了噪聲對插值精度的影響，指出插值本身的精度所造成的插值誤差遠大於噪聲所帶來的插值誤差，從而階次更高的插值演算法在實用中並非最優的;並指出插值濾波法比變采樣率演算法對噪聲的影響更為敏感，在信噪比較高時插值濾波演算法比變采樣率演算法更優。
  12. 3. the mechanism of dna integration mediated by homologous recombination in chloroplast transformation was tentatively explored. we isolated two chloroplast dna fragments from brassica napus and used them as targeting sequence to integr

    成功地通過h次轉化獲得整合併表達多基因的轉基因煙草，縮短了研究周期，對相關轉基因植物的研究有一定參考價值。
  13. After transformation, we have chosen the positive bacterium clones by bacterium colon pcr. with dna sequencing, we have made sure direction of dna sequence which inserted into the plasmid and have named sense and antisense reconstruction plas - mids respectively

    採用sanger雙脫氧末端終止法再進一步進行dna序列測定分析，檢測doc一1rcdna序列插人表達載體的方向，確定正、反義重組體。
  14. The development of sedimentary environment of yanchang formation be analyzed and discussed further. based on the analyses of all kinds of sedimentary deposit. under the direction of the theory and methods of sequence stratigraphy, 4 type i sequence boundary could be recognized in the study area, according to the marked bed including plane of deflation, scour, the plane of lithological salutation, structural transformation, down cutting channel sheet sand and so on. type i sequence consists of low stand systems tract, transgressive systems tract and high stand systems tract

    本文採用當代層序地層學理論和方法，利用風化剝蝕、沖刷面、巖性巖相突變、結構轉換面、構造機制轉換面等層序界面的識別標志，將研究區延長組劃分為四個層序，其層序界面都為型層序界面，具有三元體系域結構特徵，由低水位體系域、水進體系域和高水位體系域三個部分組成。
  15. There are spatial and temporal scalability simultaneously in three - dimensional wavelet transformation for sequence pictures, it is one of best video encoding methods in network video

    視頻序列圖像的三維小波變換壓縮，同時具有空間和時間的內在伸縮性，是網路視頻傳輸的理想編碼方法之一。
  16. The fault calculation is realized with fault analysis theory of power systems. in the paper, simple fault with operation mode transformation is calculated by modifying node input current. phase - sequence parameter converse technique is used to get general method in calculating complex fault

    本文運用成熟的電力系統故障分析理論，實現了繼電保護整定的故障量計算，它採用補償法進行運行方式變化時的簡單故障計算，以求取整定用運行方式，採用故障口相序變換技術實現通用的復雜故障求解，為整定計算奠定了基礎。
  17. Transgenes should be with single copy and without accessory sequence, and with consistence to express and stable genetic in various transgenic plants in a new gene transformation program

    新的轉化程序要求把基因導入農藝性狀優良的品種中，呈單拷貝、不帶有輔助序列，並在不同的轉化體中表達一致，穩定遺傳。
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