鏈異構 的英文怎麼說

中文拼音 [liànyìgòu]
鏈異構 英文
chain isomerism
  • 鏈 : Ⅰ名詞1. （鏈子） chain Ⅱ動詞（用鏈栓住） chain; enchain Ⅲ量詞（計量海洋上距離的長度單位） cable length
  • 異 : 形容詞1 （有分別; 不相同） different 2 （奇異; 特別） strange; unusual; extraordinary 3 （另外的;...
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  1. Our study shows that maturity has an effect on the evolution of long chain alkyl benzenes, that is, with the increase of maturity, the carbon number distribution of alkyl benzenes shifts to the lower homologues isomers ; relative abundance of alkyl benzenes isomeride decreases, whereas n - alky benzenes increase

    研究表明：長鏈烷基苯的演化受成熟度的影響，表現為隨著成熟度的增加，長鏈正構烷基苯的碳數分佈前移，長鏈烷基苯異構體相對豐度減小；而正構烷基苯相對豐度有增加的趨勢。
  2. Degenerate oligonucleotides to highly conserved regions of cucumis melo 1 - aminocyclopropane - 1 - carboxylic acid ( acc ) oxidase gene were used to prime the amplification of fragment of 128bp by ploymerase chain reaction ( pcr ) in samples of genomic dna from fruit of cucumis melo l. cv hetao flesh, which was cloned into plasmid vector pmd - 18 - t. the clon of antisense orientation were selected, and it was inserted downstream of camv35s promoter and enhancer " " of tmv into the plant expression vector pbinyxw, antisence expression vector pbinya was constructed. at the base that pollination and fertilization of cucumis melo l. cv hetao was studied, using pollen tube pathway transformate cucumis melo l. cv hetao, 76 fruit had been obtained, moreover, hardness and content of sugar were analysed

    本實驗以河套蜜瓜果肉基因組dna為模板，用甜瓜acc氧化酶基因特異寡核苷酸鏈為引物進行pcr擴增，得到128bp的擴增產物。將得到的擴增產物克隆到質粒載體pmd - 18 - t上，篩選反向克隆，然後將其反向構建到植物表達載體pbinyxw的camv35s啟動子和tmv增強子「 」的下游，構建成反義表達載體pbinya 。並在對河套蜜瓜授粉受精生物學研究的基礎上，通過花粉管通道法轉化河套蜜瓜，共獲76顆瓜，並進行了硬度和含糖量的分析。
  3. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴加及添加水解抑制劑等技術，有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應，提高了聚合物大分子鏈中有機硅鏈節的含量；利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵，並通過對共聚產物力學和吸水率的測試，證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能；從分子設計角度出發，利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體： ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷；利用核磁共振對新型硅烷單體結構進行了證實；研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液，且其聚合產物具有較高的力學及耐水性能。
  4. The term "normal" applies to the isomer that has all its carbon atoms linked in a straight chain.

    對這類異構體採用「正構」一詞是因為這類異構體的全部炭原子都以直鏈形式連在一起。
  5. We do research on the transitions between states of network protocol, the protocol misusage detection model based on markov chain, the framework of the ids technology and protocol anormity after we discuss the current technology. the main research contents of this paper include : research on transitions between states of network protocol and session process, protocol misuage and the anomaly detection model based on markov chain, the research of intrusion detection framework, more accurately model based on the characteristic of the network traffic and so on

    在分析了現有入侵檢測系統的基礎上，本文圍繞典型網路協議狀態轉換、基於馬爾可夫鏈的檢測模型、入侵檢測技術框架、以及協議異常等幾個方面展開深入研究，主要工作內容包括:典型網路協議轉換狀態的分析和會話過程的研究;基於馬爾可夫鏈的網路異常檢測模型;分散式的檢測架構;針對網路流量特徵而提出了精確的檢測模型等。
  6. It is hard to get the important parameters such as link delay and loss rate directly, because the internet has becomes massive, distributed and heterogeneous. network tomography is now a hotspot for inference the internal link delay and loss rate with the end - to - end measurement data. we call current network tomography as unconstraint network tomography for its not adding any constraint condition and all of them nearly are based on some likelihood algorithm

    由於網路日益向著大型化、異構化、分佈化發展，通過直接進行網路測量的方法，來獲得網路內部鏈路的時延和丟包率參數就變得越來越困難，網路層析成像方法作為一種通過端到端的測量數據來推斷網路鏈路性能參數的技術正成為研究的熱點之一。
  7. Among them, yku70 ( hdfl ) and ykuso ( hdf2 ) are break ends binding proteins, and rad52, mre11, xrs2 are found both in hr and nhej

    Rad5同rad18一樣是具有ring結構的單鏈結合蛋白，且通過其ring結構與mms2 - ubc13異二聚體結合。
  8. This paper present the classic backtracking as an example, through comparing, explains backtracking efficiency difference under various data structure ; when database can be expressed in sparseness matrix, then it can be expressed in 4 - way linked list, which improves greatly the efficiency than before

    以一個典型的回溯問題為例，通過對比，說明回溯法在不同數據結構下，其時間效率的差異，驗證對于可表示成稀疏矩陣的數據集，在使用四向鏈表結構時，可以大大提高時間效率。
  9. The synthesis technology of various liquid rubbers with different active group terminated, such as hydroxyl - terminated, carboxyl - terminated, isocyanate - terminated, ami - no - terminated, mercaptan - terminated and various main chains like polybutadiene, polyurethane, polystyrene were reviewed with 23 references

    摘要綜述了端羥基、端羧基、端異氰酸酯基、端氨基、端巰基等活性端基，以及聚丁二烯、聚氨酯、聚苯乙烯等不同主鏈結構的液體橡膠的合成技術。
  10. In the paper, a speed estimator based on artificial neural network is designed according to the principle of direct torque control, the speed estimator is optimized by genetic algorithm, and the parameters of pid speed adjuster is also optimized by genetic algorithm. a stator linkage and torque observer based on stator resistance estimator using fuzzy neural network is also designed. eventually, the intelligent control of direct torque control system is implemented

    本文根據異步電動機直接轉矩控制原理，在應用人工神經網路進行速度辨識的基礎上，利用遺傳演算法對神經網路速度辨識器進行了優化設計；運用遺傳演算法對pid速度調節器的結構和參數進行了整合；在採用模糊神經網路對電機定子電阻辨識的基礎上，進行了定子磁鏈及轉矩的觀測，為最終實現無速度傳感器直接轉矩控制系統的智能控制創造了條件。
  11. As to the data integration in the supply chain inside and outside the enterprise in e - business environment, we design and implement a distributed data transfer component datatrans. we realize the asynchronous transfer function with good user interface between heterogeneous data sources such as relational database, text files, xml files and etc, and we integrate different communication modes, such as message queue, ftp, email and etc, in which the sender and receiver are both independent

    針對b2b電子商務環境下供應鏈環節企業內部以及企業之間的數據整合的需要，我們設計了分散式數據傳輸組件datatrans ，實現了異構數據源（數據庫數據、文本文件、 xml文件）之間的可基於消息通信/ ftp / email的、傳送雙方彼此獨立的、用戶界面友好的異步數據傳送功能。
  12. Rnase p from e. coli is a ribonucleoprotein complex responsible for the 5 " maturation of trnas. the smallest substrate contains two important parts : ncca - 3 " terminal and rna helix area

    Rnasep是結構識別酶， m1rna底物至少包括兩個要件： 1游離ncca - 3末端； 2特異互補的雙鏈rna區域。
  13. The expression vector prep9 was employed for the effective expression of ugt1a9 in chinese hamster lung cells ( chl ). the cell lines established were used for the study of glucuronidation in vitro, and the drug metabolism characteristics were summarized. as has been indicated that ugt1a9 mainly glucuronide hydroxyl, compounds that have aliphatic or phenol hydroxyl were selected for substrates of ugt1a9

    由於botiag主要催化羥基的們醛釀綴合反應，本實驗選擇具有不同結構類型的含羥基化合物作為底物，一類是羥基處于芳環的異丙酚和撲熱息痛，其中異丙酚是gylag的專屬性底物，可以作為活性比較的參照，另一類是羥基處于脂鏈的普莢訖爾和普羅帕酮
  14. After the mathematical model of asynchronous electromotor is build, the method of space voltage vector is taken to discuss the essential principle and structure, and arithmetic of direct torque control, and the application of circular magnetic chain self - operated control and the technology of sensor without velocity in direct torque frequency conversion timing are emphasized

    在建立異步電動機的數學模型之後，採用空間電壓矢量分析方法討論了直接轉矩控制的基本原理結構及其演算法，著重研究了圓形磁鏈自控制和無速度傳感器技術在直接轉矩變頻調速中的應用。
  15. Purpose 1 construction of prokaryotic high expression vector of human platelet factor 4 ( h pf4 ) 2 expression and purification of r h pf4 3 bioassay of r h pf4 methods according to the modulation character of eukaryotic protein expression in prokaryotic cells, we design a pair of particular primers, and construct a prokaryotic expression vector pbv220 - r hpf4 by dna polymerase chain reaction ( pcr ) and dna recombinant technic. the expression plasmid was identified with pcr and dna sequencing. pbv220 - r hpf4 was transformed into e. coli dh5a, bl21 ( de3 ) and induced by increasing the temperature to 42. we identified the expression protein by sds - page and western - blotting

    目的1人血小板因子4 （ hpf4 ）原核高效表達克隆的構建2重組hpf4的表達及分離、純化工藝研究3重組hpf4的特性研究方法根據原核細胞表達真核蛋白的基因表達調控特點，設計合成一對特異引物，在pt7 - 7 - rpf4表達質粒的基礎上，應用聚合酶鏈式反應（ pcr ）對其cdna進行改造，通過dna重組技術構建成重組hpf4原核表達質粒pbv220 - rhpf4 ，用快速pcr檢測法、 dna測序分析，鑒定重組hpf4表達質粒的正確性。
  16. Pu is a polymer with urethane segment repetitive structure unit formed after the reaction of tdi and ppg

    摘要聚氨酯是由異氰酸酯與多元醇反應製成的一種具有氨基甲酸酯鏈段重復結構單元的聚合物。
  17. The orf1 proteins of all four chinese senv isolates had two motifs ( ftl and yxxk ) which were conserved in replication - associated proteins. in all four chinese senv isolates, the putative non - structure orf2 protein had a cav - like region. the putative orf3 protein had a serine - rich tract preceded by a cluster of basic amino acids ( r and k ). database scaning suggested this region had high a percentage of homology with dna topoisomerase i protein of d. melanogaster, and might play an important role in the replication of such single - stranded dna viruses

    所有這四個中國分離株，均保留了o即1中與復制有關的保守序列（ ftl和yxxk ） :在推測是非結構蛋白的orfz中均含有cav樣保守區w 『 x7一h一x3一c一xl一c一xs一h ; orf3蛋白的堿性氨基酸（精氨酸和賴氨酸）簇后緊接著一個富含絲氨酸的區域，與d . molanogaster的dna拓撲異構酶i有一定的同源性，推測在單鏈dna的復制中起作用。
  18. The dissertation endeavors to identify, probe and develop new theories and tools that will work in digital time in scm area by systematic studies. on the basal theories of scm and e - business, analyzes the difference of scm in environment of e - business with traditional environment, puts forward the method, principle and step of designing and constructing of supply chain in e - business, probes into the collaboration management of supply chain from two aspect, one is hard road, another is soft road

    從供應鏈管理和電子商務的基本理論出發，分析了電子商務環境與傳統商務環境下供應鏈管理的差異；提出了電子商務環境下供應鏈設計與重構的方法、原則和步驟，指導企業設計適合自己的供應鏈；對電子商務環境下如何實現協調運行展開分析，從軟約束和硬約束兩個方面來探討供應鏈的協同管理問題。
  19. This theis also builds a real e - scm system which is based on multi - agent cooperation ; puts forward the xacl communication language which is based on kqml, fipa - acl and xml language, and establishes an agent communication platform based on xacl which is brought forward in this thesis ; finally, realizes an integration of e - scm system which is based on web service and can implement as a universal system in different enterprises and platforms, and solve the distributing and heterogeneous problems of different hardware and software system in e - scm

    系統應用和實現部分構建了基於多agent協同的電子商務供應鏈框架；在現有多agent通信方法的基礎上，提出和設計了以kqml 、 fipa - acl與xml語廣東工業大學工學碩士學位論文言為麥掀的xacl通信語言，並在此語言基礎上構建了多ageni協同通信平臺解決了多ageni在異構系統上的通信問題;用節幾b服務方式實現跨企業和跨平臺e - scn信息系統的集成，解決電子商務供應鏈管理系統中不同企業的不同硬體和軟體系統的分佈和異構性問題。
  20. Or legacy systems, can be easily integrated together by using the best - fitted enterprise integrated techniques and collaboratively worked for supply chain management. the integrated systems may be heterogenic, or may be located in other enterprises, but they will be all interconnected by networks or by e - commerce environment

    論文提出的電子商務環境下的供應鏈管理集成平臺以供應鏈管理協調決策中心為核心，通過統一數據層對異構系統和企業legacy系統及合作夥伴的應用系統的應用集成介面，建立企業間的合作關系，實施供應鏈管理。
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