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- Ethyl chloroformate reacted with both the hydroxy group and the carboxy group of the 17 position. 用氯甲酸乙酯將17位醇羥基和羧羥基同時醯化;
- Because of the strong interaction between the trimethychlorosilicane and surface hydroxy groups of mordenite, silylation is used to modify mordenite. 本文旨在通過硅烷化、脫鋁改性絲光沸石，以提高絲光沸石疏水性能，為疏水沸石的開發利用提供一些基本數據和實驗依據。
- Thus, the reaction of methanol with hydroxy group on the surface of zinc oxide surface was reversible. 因此甲醇在氧化鋅表面吸附生成甲氧基和水的反應是可逆的。
- The toxicity of derivatives considered is far stronger, on account of methyl and hydroxy group substituted, than their mother (phenol) substance. 實驗表明，羥基增加和甲基的取代，毒性均較母體大大增強。
- The resent work aims to investigate and develop series of monoazo dyes containing hydroxy group for the polyester/wool blend fabrics. 摘要本實驗系利用自行合成之含羥基偶氮染料及微膠囊包覆分別對聚酯、羊毛及聚酯／羊毛混紡織物進行染色；
- Methods:The target compounds were synthesized from acylation of polyethylene glycol (PEG) to hydroxy group of ursolic acid by polymer polycondensation method. 方法:通過高分子縮合的方法,將醯化的聚乙二醇接枝到熊果酸的羥基上,得到目標產物。
- The hapten iPA has been selected and conjugated,via its hydroxy groups of the ribose moiety,to free amino groups of bovine serum albumin(BSA) with NaIO4 oxidation and the immuogen iPA-N9-BSA has been synthesised. 用NaIO4氧化合成免疫原iPA－N9－BSA（BSA：牛血清白蛋白）。
- The acetyl derivative and the silicane derivative of hyperbranched aliphatic polyesters with terminal hydroxy group were prepared.The effect of terminal groups on the properties was studied. 對端羥基脂肪族超支化高分子的端基進行了乙醯化和硅烷化改性,研究了不同端基對超支化高分子的玻璃化溫度,折光指數增量以及特性粘度的影響。
- CaCO3 was treated with 3-aminopropyltriethoxysilane at first, followed by the condensation reaction with the hydroxy group of ACPA. The coupling and anchoring reactions are confirmed by infrared spectrum and element analysis. 碳酸鈣粒子經氨基硅烷偶聯劑處理后能與偶氮二氰基戊酸反應而實現錨固化,由紅外光譜和元素分析證明了偶聯和錨固反應。
- SnBu_4 could react with superficial hydroxy group of Pt/HY molecular sieve,to result selective and quantitative grafting of SnBu_3 fragments onto surface of molecular sieve supercages without deteriorating crystalline structure of the latter. 研究結果表明,SnBu4與Pt/HY分子篩表面羥基可以定量、有選擇性地進行化學反應,將確定數目的SnBu3碎片接枝在分子篩的超籠中。
- The silicone molecules in the coatings can be adhered with the hydroxy group on the surface of substrate to form a network hydrophobic silicone film with excellent water proofness and durability. 塗料中的有機硅分子與基材表面的羥基緊密結合，形成網狀疏水性硅氧烷膜，成為一種防水性、耐久性優的防水劑。
- Study on Hydroxy Group Protection of Lactic Acid 乳酸羥基保護的研究
- any of a class of alcohols having 2 hydroxy groups in each molecule 每個分子中含兩個羥基的一類醇
- Keywords Lactic acid;Hydroxy group protection;Dihydropyran; 乳酸;羥基保護;二氫吡喃;
- Do you teach your students singly or in groups? 你教學生是個別地教還是按組教？
- Keywords NCA;ring-opening polymerization;triphosgene;functional hydroxy groups; 谷氨酸-苄酯環內酸酐;開環聚合;三光氣;功能羥基;
- Education should not be restricted to any one specific age group. 教育不應限制在任何特定的年齡組上。
- The investigator will be divided into three groups. 所有的調查員將被分為三個小組。
- He broke away from that lawless group years ago. 他在幾年前脫離了那個非法團體。
- The group of barbaric soldiers killed many people. 那群野蠻的士兵殺了很多人。
