hydroxyl group 中文意思是什麼

hydroxyl group 解釋
羥基
  • hydroxyl : n. 【化學】羥基。
  • group : n 1 群；批，簇。2 集團，團體，小組。3 【化學】基，團，組；（周期表的）屬，族。4 （雕塑等的）群像...
  1. In all those complexes, no matter which conformation ida assumes ( mer - or fac - style ), the two 0 atoms of 1n2o are both from carboxylic hydroxyl. however, by comparing the bond length, we can find that o ( 4 ) and o ( 2 ) atom is from different group in this complex, 0 ( 4 ) atom from carboxylic hydroxyl, whereas, 0 ( 2 ) from carboxylic carboxide

    值得注意的是：在這個雙核配合物中，我們首次發現一種新穎的配位方式： ida上與金屬離子配位的三齒螯合原子是亞氨n原子、一個羧基上的羥基o原子和另外一個羧基上的羰基o原子。
  2. Deoxy sugar a sugar in which oxygen has been lost by replacement of a hydroxyl group ( oh ) with hydrogen ( h ). the most important example is deoxyribose

    脫氧糖：羥基被氫原子置換導致失去氧的一類單糖。最重要的脫氧糖就是脫氧核糖。
  3. Moreover, they have hi common the localization in the golgi apparatus, the topology of type ii membrane proteins, and the transfer of galactose from udp - galactose onto the c4 - hydroxyl group of glcnac residues

    用iptg誘導表達的獲得- 1 ， 4 - gt與gst （谷胱甘肽轉移酶）的融合蛋白，經westernblot驗證與預想的一致。
  4. Organochlorosilane is widely used in the protection of organic functional groups involving hetero atoms, such as hydroxyl, carboxyl, carbonyl, amino group and so on. the conditions of protection and deprotection and the application development in the synthesis of pharmaceuticals are given in the article

    就其在保護含雜原子的有機官能團方面討論了對羥基、羧基、羰基及胺基等的保護和去保護條件及其在藥物合成中的應用。
  5. 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。
  6. Chelate reaction between borate ions and phenol hydroxyl group, ortho - position hydroxymethyl group of phenol - formaldehyde resol resin

    硼酸根與甲階酚醛樹脂中酚羥基和鄰位羥甲基的螯合反應
  7. Its molecular structure shows that it acts long carbochain as hydrophobic group and serves carboxyl and hydroxyl group as hydrophilic grouping

    其分子結構特徵為:以長碳鏈烴基為憎水基， ? coom為親水基團。
  8. Glycolipids ( glycosyldiacylglycerols ) are diacylglycerols with a sugar attached to the unesterified hydroxyl group

    糖酯類物質是由甘油二酯和糖結合未酯化的羥基形成的。
  9. The studies expressed that the tensile - strength declined with the growth of dose rate after the radiation treatment, and at the same time, the gel content had extreme value with the change of the dose rate. the surface of uhmwpe fibers showed some irregular micro - pits and dents after radiation treatment, narnely rough degree increasing. their number and deepness increased with increase of dose. and this phenomenon is the most obvious when the dose rate was 8. 5kgy / s and the dose was 400kgy. at the same time some containing oxygen groups, including hydroxyl group, carbonyl group and carboxyl group, were introduced into the fiber surface which was exposed to the air

    研究表明， uhmwpe纖維經電子束輻照處理后，纖維的拉伸斷裂強度隨劑量率的增加呈下降趨勢，凝膠含量隨著劑量率的變化存在極值。纖維表面出現了不規則的微裂紋和凹痕，隨著劑量的增大，電子束對纖維表面的刻蝕程度增加，在本研究中以劑量為400kgy劑量率為8 . 5kgy s時刻蝕效應最為明顯。同時，在空氣中進行輻照時，纖維表面被引入了一些含氧基團，包括羥基、羰基和羧基。
  10. 6 ), the process that h20 is adsorbed on the electrode surface and the hydroxyl group is formed to oxidize the co may be the rate - determining step ; in the region iil ( logi > l. 6 ), all of the tafel curves show a curvature until the current densities reach the peak value, indicative of a possible limiting current. the effect of rare earth elements on methanol electro - oxidation has not been reported in literatures

    在低極化區（ logi 1 . 3 ） ，甲醇發生脫氫反應並形成反應中間體，其中co成為未被氧化的毒物，此過程成為速率限制步驟；在更高的極化區（ 1 . 3 logi 1 . 6 ） ， h _ 2o吸附在電極表面並解離生成[ oh ] ，促進了co的氧化，此為此階段速率控制步驟：在第3個極化區（ 10gi 1 . 6 ） ， tafel曲線發生彎曲，電流密度也最終達到峰值。
  11. The study of in - situ construction of cytocompatible surface on pdl - la matrix via amphiphile - amino acid ( rgd ) hybrid self - segregation - the amphiphilic diblock copolymer, poly ( dl - lactide ) - poly ( ethylene oxide ) ( pla - peo ) copolymer, containing hydrophobic pla block and hydrophilic peo block was synthesized via coupling method in this dissertation. cell - adhesion - promoting amino acids and integrin receptor peptide rgd were then immobilized at the end of peo chain of pla - peo copolymer via hydroxyl group activation technique. the solvent blending and casting method was then used to obtain the amphiphile modified pdl - la membranes

    兩親共聚物-氨基酸（ rgd ）雜化體原位自修飾構建聚乳酸細胞相容性表面的研究一本論文首先設計併合成了一類含疏水聚乳酸（ pla ）鏈段和親水聚氧乙烯（ peo ）鏈段的兩親嵌段共聚物材料（ pla - peo ） ，利用peo鏈端的活性官能團羥基固定了促細胞粘附的氨基酸及整合素配體多肽片段rgd 。
  12. It consists of many glucose units, in each of which one of the hydroxyl groups has been replaced by an acetylamine group ( ch3conh )

    包括許多的葡萄糖單元，每個單元的羥基都被乙酰基取代。
  13. Several mechanistic studies indicated that the structural features necessary for the expression of mutagenic activity include a hydroxyl group at position c13 and an unsaturated bond joining the c16 and c17 carbon atoms of steviol

    多項生理機能研究顯示，顯露基因突變的特性結構位於甜菊醇c13位置的羥基組，以及連結c16和c17碳原子的不飽和鏈。
  14. The influence of emulsifiers on the stability of the micro - gels and the influence of the adding methods of monomers on crosslinking degree and distribution of hydroxyl group in micro - gel particles were also discussed

    討論了乳化劑對微凝膠穩定性的影響及操作方法對微凝膠交聯度、羥基分佈的影響。
  15. The stability of the three protons of intercalation compound is in the order of amino group proton > inner surface hydroxyl proton inner hydroxyl proton

    Nh基質子峰位於5 . 4 5 . 6 。復合物質子穩定性大小的順序是氨基質子內表面羥基質子內羥基質子。
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