hydroxyl group
羥基團
hydroxyl radical
羥自由基
hydroxyl value
羥值；羥基值；羥價
phenolic hydroxyl
酚式羥基
Methane reacts with hydroxyl to produce formaldehyde.
甲烷與羥基反應生成甲醛
The hydroxyl value analysis of acrylate-styrene copolymcr solution by usillg acetylchloride as an acetylating agent is discussed.
結合對體系所含雙氧水濃度的測定，以乙酰氯法測量了合雙氧水的丙烯酸酯-苯乙烯共聚物溶液體系的聚合物的羥值。
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。
METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.
方法將厚朴酚兩羥基用縮酮保護,再用正己烷重結晶分離純化。
The results show that, after thermal treatment, the quinonoid structure is formed and the conjugated carboxide and phenolic hydroxyl are increased;
結果表明，刺槐木素受熱後共軛羰基、酚羥基增多並且有醌型結構產生；
In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.
報道了以對羥基苯乙酸爲原料,經過苄基化、酯化、還原、甙化等步驟合成紅景天甙的一種方法.
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化劑，研究了膽酸甲酯分子中羥基的反應活性。
hydroxyl ketene dithioacetals possessing an allylalcohol moiety, as well as terminal bisalkylthio substituted alkene are a class of important intermediates in organic synthesis.
羥基二硫縮烯酮類化合物不僅含有烯丙基醇結構單元,而且雙鍵端位被雙烷硫基取代,是有機合成中的一類重要的有機中間體。
The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.
這些結果表明在含羥基化合物的丙交酯/醇鐵聚合體系中,羥基化合物作爲共引發劑參與了丙交酯的開環聚合。
The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.
通過對其酰化原理分析,選用乙酰氯作酰化劑、二氯甲烷作酰化溶劑,測定含環氧基聚酯的羥值。
Analysing the relationship between substitutes, crosslinking structure and excited state,it was found that amidocyanogen and hydroxyl can reduce the bad gap, especially amidocyanogen;
通過分析取代基以及交聯結構對材料激發態的影響，我們得出：胺基和羥基作爲推電子取代基能夠減小發光材料的光學能隙寬度，而胺基的這種作用更大；
Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.
採用核磁共振譜法測定了國產紫膠桐酸的優勢構象,結果表明,其分子中連二羥基處於反交叉位。
The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .
橙酮類化合物分子共面性較強,爲較大的共軛體系,取代羥基的接入,對橙酮類化合物共面性影響不大。
hydroxyl group
羥基團
hydroxyl radical
羥自由基
hydroxyl value
羥值；羥基值；羥價
phenolic hydroxyl
酚式羥基
Methane reacts with hydroxyl to produce formaldehyde.
甲烷與羥基反應生成甲醛
The hydroxyl value analysis of acrylate-styrene copolymcr solution by usillg acetylchloride as an acetylating agent is discussed.
結合對體系所含雙氧水濃度的測定，以乙酰氯法測量了合雙氧水的丙烯酸酯-苯乙烯共聚物溶液體系的聚合物的羥值。
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。
METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.
方法將厚朴酚兩羥基用縮酮保護,再用正己烷重結晶分離純化。
The results show that, after thermal treatment, the quinonoid structure is formed and the conjugated carboxide and phenolic hydroxyl are increased;
結果表明，刺槐木素受熱後共軛羰基、酚羥基增多並且有醌型結構產生；
In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.
報道了以對羥基苯乙酸爲原料,經過苄基化、酯化、還原、甙化等步驟合成紅景天甙的一種方法.
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化劑，研究了膽酸甲酯分子中羥基的反應活性。
hydroxyl ketene dithioacetals possessing an allylalcohol moiety, as well as terminal bisalkylthio substituted alkene are a class of important intermediates in organic synthesis.
羥基二硫縮烯酮類化合物不僅含有烯丙基醇結構單元,而且雙鍵端位被雙烷硫基取代,是有機合成中的一類重要的有機中間體。
The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.
這些結果表明在含羥基化合物的丙交酯/醇鐵聚合體系中,羥基化合物作爲共引發劑參與了丙交酯的開環聚合。
The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.
通過對其酰化原理分析,選用乙酰氯作酰化劑、二氯甲烷作酰化溶劑,測定含環氧基聚酯的羥值。
Analysing the relationship between substitutes, crosslinking structure and excited state,it was found that amidocyanogen and hydroxyl can reduce the bad gap, especially amidocyanogen;
通過分析取代基以及交聯結構對材料激發態的影響，我們得出：胺基和羥基作爲推電子取代基能夠減小發光材料的光學能隙寬度，而胺基的這種作用更大；
Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.
採用核磁共振譜法測定了國產紫膠桐酸的優勢構象,結果表明,其分子中連二羥基處於反交叉位。
The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .
橙酮類化合物分子共面性較強,爲較大的共軛體系,取代羥基的接入,對橙酮類化合物共面性影響不大。
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