鏈異構體 的英文怎麼說
中文拼音 [liànyìgòutǐ]
鏈異構體
英文
chain isomer-
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。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。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。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。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。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。The open ring park, whose five sections in different style are like a nice green necklace around the city, embraces and mixes itself with the old downtown, which forms the unique feature of the city, i. e., parks in the city and city in the parks
環城公園呈開敞布局，風格各異的五大景區連接成一條美麗的翡翠項鏈，環抱老城又融于新城之中，構成「城中有園、園中有城、城園交融、渾然一體」的獨特城市園林風貌。Starting with customer value, using marketing management theory and competition advantage theory as guidance, regarding value chain as a strategic tool, the author analyzes the main value activity of an enterprises systematically so as to bring forward the basic strategy - combination of cost advantage and otherness - for seamless steel enterprises to participate in market competition. furthermore, by introducing modern marketing management concepts, the author also brings forward how to build the marketing channel system for the seamless steel enterprises
本文從顧客價值入手，以營銷管理理論和競爭優勢理論為指導，將價值鏈作為一種戰略性的工具來對企業的主要價值活動進行系統分析，以尋找企業獲取成本優勢和標歧立異的途徑和方法，提出了無縫鋼管生產企業參與市場競爭應採取成本領先和歧異化相結合的基本戰略，並引入現代營銷管理理念提出了如何構建無縫鋼管生產企業的營銷渠道體系。The dna double strand break ( dsb ) can be rejoined by at least two discrete pathways, i. e., the homologous recombination and the nonhomologous end - joining. at least 10 genes were found involved in nhej
Rad18是一種單鏈dna結合蛋白，具有許多泛素系統e3所有的典型ring結構，與rad6 （ ubc2 ）形成結合緊密的異二聚體。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。1 ) realization of software packet embedded in m - es and md - is respectively to accomplish main function of mdlp, including assignment of tei ( temporary equipment identifier ), establishment of multiple frame operation, framing, flow control and error - free transmission of packets, is detailed. 2 ) a test model is established to evaluate the robustness and stability of mdlp and verify the validity of software packets. 3 ) according to the design of radio modem construction used in m - es, the modules of interface between data terminal equipment and radio modem are achieved to enable transmission of short message and continuous pseudo - random bit stream via rs232 uart
本文首先概述了蜂窩數字分組數據網的結構和空中協議，詳細分析了移動數據鏈路協議，並在此基礎上，重點敘述了以下方面的工作： 1 ）設計並完成了分別應用於m - es和md - is端無線控制器的兩套程序實現數據鏈路層的主要功能，包括分配臨時設備號、建立鏈路、組幀和面向連接的服務保證分組正確無誤地傳輸，並進行適當的流控； 2 ）建立測試模型測試移動數據鏈路協議的可靠性和穩定性，證明了程序包的效用； 3 ）根據cdpd系統無線數據機的軟硬體總體設計方案，完成了介面模塊，實現了rs232異步串口通信，使用戶可以根據需要發送短消息或連續的偽隨機比特流； 4 ）在tms320c54x的軟體、硬體模擬平臺上，建立了cdpd試驗模型，實現了cdpd系統的mdlp基本功能。Material recommend about the development and theory of dtc the composing of dtc - system is presented in this paper. some important taches such as flux - linkages adjuster, frequency adjuster, the mathematics model of asynchronous motor in - coordinates and the choice of voltage - vectors are discussed detailedly
文章對直接轉矩控制方案的發展與理論做了具體介紹，根據理論確立了直接轉矩控制系統的結構組成，並對其中如磁鏈調節、頻率調節、在定子坐標系下的異步電動機數學模型、電壓向量選擇等重要環節作了詳細討論。In section four the thesis in details analyzes the reason of the " alteration " in curriculum implementation, mainly including three aspects of reason : firstly, the reasons of curriculum itself, that is value orientation formerly - designed curriculum, practicability and elasticity of curriculum plan ; secondly, influence come from the interior of education system, that is curriculum design, the difference between designer and implementor, the hinderance of linking up in the chain of main - body ; thirdly, influence come from external environment, that is traditional view from society, the support and policy which forms a complete set from the government, the regional feature of curriculum implementation and the development and changes of times and etc. in section five the thesis talks in details about how to promote to produce " construction " effect and how to restrain " impediment " effect
第四部分，具體分析課程實施中「異變」出現的原因。主要包括預設課程的價值取向、課程計劃的可行性、課程計劃的彈性等課程本身的原因；教育系統內部課程規劃、設計者與課程實施者的異質性、課程實施過程中主體鏈溝通障礙也容易引起異變的產生、課程實施者的素質等方面的原因；外部環境社會傳統觀念的影響、政府部門的配套政策與支持、課程實施的地域特點、時代的發展變化等方面的原因。第五部分，具體探討在課程實施中如何採取相應的措施促進「異變」的建構效應的產生，抑制其阻礙效應的產生。In this dissertation, the author has accomplished the simulation of the dtc system and analyzed the corresponding results. the software of the digital control system, in which the digital signal processor ( dsp ) is used, has also been designed in the thesis. the direct torque control scheme is studied in the paper, and the simulation models of hexagon flux control system and approximate circle flux control system are presented based on the application of matlab / simulink
本文對異步電機直接轉矩控制變頻調速方法進行了研究，採用mathworks軟體公司為matlab開發的系統模型圖形輸入和模擬工具simulink對直接轉矩控制的六邊形和近似圓形兩種定子磁鏈控制方法進行了模擬，實現了有速度傳感器的直接轉矩控制系統的構建，從理論上證明了這兩種方法的可行性。分享友人