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单词 羟基
释义 〔hydroxyl〕The univalent radical or group OH, a characteristic component of bases, certain acids, phenols, alcohols, carboxylic and sulfonic acids, and amphoteric compounds.羟基:单价原子团或羟团,是碱、一些酸、酚、醇、羧酸和硫酸及两性化合物的主要成分〔triol〕A chemical compound containing three hydroxyl groups.三元醇:一种含有三个羟基的化合物〔BHA〕A white, waxy phenolic antioxidant, C11H 16O 2, used to preserve fats and oils, especially in foods. 丁化羟基茴香醚:一种白色蜡状的苯酚抗氧化剂,C11H 16O 2,用于保存脂肪和油,尤指在食物中 〔purpurin〕A reddish crystalline compound, C14H 5O 2(OH) 3, that is isolated from madder root for use as a biological stain and commercial dye. 羟基茜草素,红紫素:一种从茜草属植物中提取出来用作生物染色剂和商业染料的淡红晶状化合物C14H 5O 2(OH) 3 〔apatite〕A natural, variously colored calcium fluoride phosphate, Ca5F(PO 4) 3, with chlorine, hydroxyl, or carbonate sometimes replacing the fluoride. It is a source of phosphorus for plants and is used in the manufacture of fertilizers. 磷灰石:一种自然的,多色的钙氟化物磷酸盐,Ca5F(PO 4) 3,其氟化物成分有时被氯,羟基或碳酸盐所取代。它是植物的一种磷肥并用来制造化肥 〔monohydric〕Containing one replaceable atom of hydrogen.一羟基的:含有一个可置换羟基〔alcohol〕Any of a series of hydroxyl compounds, the simplest of which are derived from saturated hydrocarbons, have the general formula CnH 2n+1OH, and include ethanol and methanol. 醇:一系列羟基化合物的任一种,其中最简单的一种可从饱合的碳氢化合物中提取,具有化学分子式CnH 2n+1OH,并且包括乙醇和甲醇 〔glycol〕Any of various alcohols containing two hydroxyl groups.双羟基醇:含有两个羟基团的醇〔phenol〕Any of a class of aromatic organic compounds having at least one hydroxyl group attached directly to the benzene ring.酚,羟基类化合物:一种芳香的有机化合物,至少含有一个与苯子不直接相连的羟基〔glyceryl〕A trivalent radical, CH2CHCH 2, obtained from glycerol by the removal of hydroxyl groups. 甘油基,丙三基:一种三价基,CH2CHCH 2,由丙三醇去掉全部羟基获得 〔BHT〕A crystalline phenolic antioxidant, C15H 24O, used to preserve fats and oils, especially in foods. 丁化羟基甲苯:一种晶体苯酚抗氧化剂,C15H 24O,用于保存脂肪和油脂,尤指食物中的 〔dihydric〕Containing two hydroxyl radicals.二羟基的:包含两个羟基〔tetrahydroxy〕Having four hydroxyl groups in a molecule.四羟基的:一个分子中有四个羟基〔methylate〕An organic compound in which the hydrogen of the hydroxyl group of methyl alcohol is replaced by a metal.甲基化产物:一种有机合成物,是甲醇的羟基中的氢被一种金属取代〔cyanohydrin〕Any of several compounds that contain both the CN and OH radicals.氰醇:一类既含氰基又含羟基的化合物〔hydroxylate〕To introduce hydroxyl into (a compound).使羟化:将羟基介绍到(一种化合物中)〔hydramine〕A dihydric alcohol in which one hydroxyl has been replaced with an amino group.脱氢酒精:一种脱氢酒精,其中的一个羟基被一个氨基所代替〔enol〕An organic compound containing a hydroxyl group bonded to a carbon atom, which in turn is doubly bonded to another carbon atom.烯醇:一种有机化合物,包含有与碳原子键连的羟基群,该碳原子反过来又与另一个碳原子双键连接〔react〕Methane reacts with hydroxyl to produce formaldehyde.甲烷与羟基反应生成甲醛〔catechol〕A biologically important organic phenol, having two hydroxyl groups attached to the benzene ring.苯磷二酚:生物学上一种重要的有机酚,苯环上有两个羟基
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