烯醇型 的英文怎麼說

中文拼音 [xīchúnxíng]
烯醇型 英文
enol form
  • 烯 : 名詞[化學] （有機化合物的一類） alkene; olefince
  • 醇 : Ⅰ名詞1 [書面語] （含酒精多的酒） mellow wine; good wine2 [化學] （有機化合物的一大類 含羥基的烴化...
  1. Preparation of air drying acrylic modified alkyd resin

    自干型丙烯酸改性醇酸樹脂制備
  2. The enzyme 5 - enolpyuvyl - 3 - phosphoshikimic acid synthase ( epsp synthase ; ec2. 5. 1. 19 ), encoded by anoa locus, is a key enzyme present in microorganisms and plants where it has a function in the biosynthesis of aromatic amino acids. glyphosate ( n - phosphonomethyl - glycine ) is an effective non - selective, broad spectrum, postemergence herbicide, which has been shown to inhibit epsp synthase activity in a competitive manner. glyphosate tolerant plants can be mediated by either overproduction of the target enzyme or by the presence of an altered enzyme

    植物和微生物芳香族氨基酸生物合成過程中的一個關鍵酶? ? 5 -烯醇丙酮莽草酸- 3 -磷酸合成酶（ epspsynthase ； ec2 . 5 . 1 . 19 ）由aroa基因編碼，該酶受廣譜滅生性、內吸傳導型除草劑草甘膦的競爭性抑制，將epsp合成酶基因轉入植物中可獲得草甘膦耐受植株。
  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. Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis

    摘要採用氣相色譜質譜聯用分析技術從中新世水杉葉片和白堊紀松型球果兩種裸子植物化石中分別鑒定了51個和19個揮發性成分，類型涉及烷烴、烷烯、烷醇、長鏈脂肪酸及其酯、鄰苯二甲酸酯、菇類和芳香族化合物。
  5. The article analyze the concrete drying shrinkage mechanism, find the major factors of affecting the drying shrinkage, analyze the lack of shrinkage reducing agent, who be of low molecular weight and line chain, design a new shrinkage reducing agent ? ? shrinkage reducing agent of poly - acrylate. the shrinkage reducing agent of poly - acrylate is mainly composed of crylic acid 、 cinnamene 、 poly - glycol 、 solicitating agent 、 chain transferring agent and activator, which come by these processes of polymerization 、 esterifing and neutralization to form a pectinate polymer, which have a high molecular weight and many poly - oxidative alkenes

    論文分析了混凝土乾燥收縮的機理，確定了影響乾燥收縮的關鍵因素，分析已有低分子量的、直鏈型減縮劑的不足，設計了一種新型的減縮劑? ?聚丙烯酸鹽類減縮劑，其主要由丙烯酸、苯乙烯、聚乙二醇、引發劑、鏈轉移劑、催化劑等經過聚合、酯化和中和反應，生成一種高分子量的、含聚氧化烯鏈的聚合物。
  6. In order to solve the problems with heavy turpentine, such as complex constituents, vicinal boiling point, difficult to separation and hard to comprehensive utilization, the - santalene was converted to natural structure similar product - santalol by light - oxidize reaction, and caryophyllene epoxide was obtained at the same time

    摘要為了解決重質松節油組成復雜、沸點相近導致分離困難、難以深加工綜合利用等問題，利用光氧化反應技術，將其中的-檀香烯轉化為與天然-檀香醇結構相似的檀香型新香料-檀香烯醇，同時可得到環氧石竹烯。
  7. A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage

    本文合成了高效酰化催化劑4 -二甲基氨基吡啶（ 4 - dimethylaminopyridine ， dmap ） ，採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物，並進行了化學結構和液晶性能的表徵。
  8. The relation of absorption of nano - metal sols and the addition of dispersants, as well as the rule of absorption of nano - metal sol added by dispersants concomitant to placing time were systematically investigated by means of uv - vis. the results show that, the suitable dispersant to nano - iron / ethanol sol is 0. 035 % polyoxyethylene ( 10 ) lauryl ether ( op - 10 ), but in the case of nano - tungsten / ethanol sol, 0. 13 % neotelex maybe is of more benefit to its disperse stability. the observation of tem shows the best evidences

    Uv - vis法理論分析結果表明，對于納米鐵溶膠，添加0 . 035的非離子型表面活性劑十二烷醇聚氧乙烯醚可以達到良好的分散穩定性；而對于納米鎢溶膠，最理想的分散劑則是0 . 13的陰離子表面活性劑十二烷基苯磺酸鈉，電鏡觀察結果完全證實了該推論，顯示5天後的納米金屬溶膠仍然保持良好的分散狀況。
  9. A new kind of solid phase change material ( pcm ) prepared in our laboratory has been studied in this paper

    摘要制備了一種骨架為氯化聚丙烯、支鏈為聚乙二醇的新型相變材料。
  10. Specification for fully formulated propylene glycol base engine coolant for heavy duty engines

    丙烯甘醇基重型發動機冷卻劑規范
  11. Correlation of neuron specific enolase serum concentration and prognosis in patients with severe head injury

    神經特異性烯醇化酶血清濃度與重型腦外傷預后的相關性研究
  12. The company is one of the largest pva manufacturers in china. the pva products, whose trademark is double wheel, are of the best quality. its main product, type 17 - 99, was the only excellent product awarded by the country in the same industry

    我公司是中國國內聚乙烯醇的主要生產單位之一，生產的「雙輪牌」聚乙烯醇產品品質優良，主導品種17 - 99型曾獲得同行業唯一的一個國優稱號，飲譽國內外。
  13. The company is one of the largest pva manufacturers in china. the pva products, whose trade mark is double wheel, are of the best quality. its main product, type 17 - 99, was the only excellent product awarded by the country in the same industry

    我公司是中國國內聚乙烯醇的主要生產單位之一，生產的「雙輪牌」聚乙烯醇產品品質優良，主導品種17 - 99型曾獲得同行業唯一的一個國優稱號，飲譽國內外。
  14. Specifications for particular types of winding wires - part 14 : polyvinyl acetal enamelled round aluminium wire, class 105 iec 60317 - 14 : 1990 ; german version en 60317 - 14 : 1994

    特定型號繞組線的規范.第14部分:聚乙烯醇漆絕緣的圓
  15. In this paper, a new class of concrete high performance water reducer ( hpwr ) was designed from chemical classification of high performance wra, working principle and unit structure model of poly - carboxylate series wra. the comb - like copolymer structure of hpwr was " carboxylic group - ether link - ester link ". the synthetic chemical materials was polyethylene glycil, acrylic acid and methyl - metacrylic acid ester

    本文從高性能減水劑的化學結構、作用機理以及聚羧酸類減水劑的單元結構模型出發，設計出國內所沒有的一類新型高性能減水劑? ? 「羧酸?醚鍵?酯鍵」為單元結構模型的梳型分子結構的減水劑共聚物，並確定了以聚乙二醇（ peg ）系列、丙烯酸（ aa ） 、甲基丙烯酸甲酯（ mma ）為合成該類減水劑的主要化學原料。
  16. Based on the liquid crystal polymer theory, two kinds of polyacrylates were synthesized by choosing biphenyl group as rigid nucleus of mesophase group and six methylene chain as flexible spacing group. an important chiral additive was synthesized by choosing l ( - ) ~ 2 - octanol as chiral group. mixture was made of the additive and liquid crystalline polymer, which structure was identified by ftit, " ii nmr, dsc and pom

    本論文根據液晶分子結構理論，選擇聯苯基作為介晶基元的剛性核、柔性的六亞甲基脂肪鏈為柔性間隔基，與丙烯酸反應，合成了兩種丙烯酸酯型聚合物；以拆分的l （ - ） 2 -辛醇為手性基團合成了一種液晶手性添加劑，並將所合成的手性添加劑與液晶聚合物共混，採用ftit 、 ~ 1h - nmr 、 dsc 、 pom等手段對合成的化合物、共混物進行了表徵。
  17. Experience for isbl units could include large continuous processes such as gasification, coal processing, gas processing, ammonia, methanol, hydrogen, olefins, sulphur, polyethylene, polypropylene

    界區內裝置經驗包括一些大型的連續性的工藝，例如：氣化、煤處理、氣體處理、氨、甲醇、氫、烯烴、硫、聚乙烯、聚丙烯。
  18. An acrylic alkyd was produced via monoglyceride, in which acrylic prepolymer containing carboxyl with small molecular weight was applied as a modifier

    摘要採用單甘油酯法成功地制備出表干快、硬度高、耐候性好的丙烯酸改性醇酸樹脂自干型塗料，可滿足戶外大型鋼結構的塗裝要求。
  19. And their improved catalytic activity can be effectively used at lower temperatures and higher production rates. as a result, significantly higher productivity and longer catalyst lifetime have been successfully demonstrated in many installations. we adopt comprehensive stratagem and competitive technology to develop our company

    D006mtbe催化樹脂適用於上述煉油型和化工型的各類反應器，在床層反應溫度30 - 60異丁烯含量15 - 50醇烯比0 . 95 - 1 . 05和空速2 - 5 h的工藝條件下，均有著優良的催化性能和較長的使用壽命。
  20. Flexible insulating sleeving - part 3 : specification requirements for individual types of sleeving - sheets 420 to 422 : polyethylene terephthalate textile sleeving with acrylic based coating

    絕緣軟套管.第3部分:各種類型套管的規范要求.第420至第422活頁:有丙烯酸基包覆層的聚對苯二甲酸乙二醇酯編織套管
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