微量热法研究漆酶和3，4，5-三羟基苯甲酸的反应。
Studies on the Reaction Between Laccase and 3,4,5-Trihydroxybenzoic Acid by Microcalorimetry.
用于制备3，4，5-三羟基苯甲酸甲脂的混合催化剂。
Mixed catalyst for preparing methyl ester of 3,4,5-trihydroxybenzoic acid methyl ester.
三羟基氯化铜有三个常见的异构体，氯铜矿、斜氯铜矿和副氯铜矿。
The copper trihydroxychloride has three isomers, namely atacamite, botallackite and paratacamite.
反式3,4，5 -三羟基二苯乙烯及其衍生物抗乙型肝炎病毒的用途。
Use of trans-3, 4, 5-trihydroxy-diphenyl and derivant for resisting hepatitis B virus.
锡-2，3，7-三羟基萤光酮-阳离子表面活性剂多元络合物分光光度法的研究。
Spectrophotometric studies on the multi-component complexes of tin with 2,3,7-trihydroxyfluorones and cationic surfactants.
反式3,4 '，5 -三羟基二苯乙烯在制备治疗乙型肝炎病毒感染药物中的用途。
Use of trans-3, 4, 5-trihydroxy-diphenyl in preparation of medicine for resisting hepatitis B virus.
烷氧基- 3,4,5 -三羟基-烷基酰胺的衍生物，它们的制备，包含它们的组合物和用途。
Derivatives of 2-alkoxy-3, 4, 5-trihydroxy-alkyl amides, preparation and use thereof, and compositions containing the same.
白藜芦醇，3，4’，5-三羟基二苯乙烯，是一种植物抗毒素，常见于葡萄、虎杖和其它一些植物。
Resveratrol, 3,4', 5-trihydroxystilbene, is a phytoalexin found in grapes, Polygonum Cuspidatum and other plants.
研究以焦性没食子酸衍生物2，3，4-三羟基苯甲酸为原料经过甲基化、水解、酸化和精制成2，3，4-三甲氧基苯甲酸。
Preparation method of 2,3,4-trimethoxybenzoic acid is introduced, which was synthesized from 2,3,4-trihydroxybenzoic acid by methylation, hydrolysis, acidification and purification.
该物质以对羟基苯甲酸为原料，经三步合成。
The substance was synthesized from P-hydroxybenzoic acid through three steps.
大约三分之一患者(1808)在研究的某个时期服用了羟基氯喹，平均服药时间3.1年。
Roughly one-third (1808) had taken hydroxychloroquine for some period of time during the study, with duration of treatment averaging 3.1 years.
如果用三叔丁基羟基作为氨基保护基团使用，应用酸来将其脱去，如以盐酸和异丙醇为溶剂或无水三氟乙酸。
If the tertiary butyloxycarbonyl group is being used as amino-protecting group, its removal is effected with acid, such as HCl and isopropanol as a solvent or with trifluoroacetic acid neat.
研究表明，棓酰类多元酚可与铝形成络合物，其络合物是铝和棓酰基中苯三酚的邻位二羟基形成的，它是稳定的五员螯合环结构；
It is show that the complexes of galloyl type hydrolysable tannins with aluminum are formed which involve five-member ring stably formed adjacent hydroxyl groups in galloyl to aluminum atoms.
研究了在溴代十六烷基三甲铵存在下，8-羟基喹啉-5-磺酸与镓的络合反应。
The reaction of gallium with 8-hydroxyquinoline 5 sulfonic acid in presence of CTMAB has been studied.
本发明公开一种抗皮肤老化化妆品，是在化妆品主料中添加有含羟基的三 萜类皂苷或其衍生物。
The present invention discloses one kind of cosmetics resisting skin ageing, and into the main material of cosmetics, triterpene glycoside containing hydroxyl group or its derivative is added.
本论文的第三至第六部分介绍了高效液相色谱手性流动相添加剂法拆分麻黄碱、对羟基苯甘氨酸甲酯、美托洛尔、布洛芬对映体。
In part III to VI, ephedrine, tyrosine methyl ester, metoprolol, ibuprofen enantiomeric separation with chiral additive as mobile phase by high performance liquid chromatography are presented.
利用卟啉的1-羟基苯并三氮唑活性酯可将卟啉基团直接修饰在商品化的寡核苷酸片断上。
The porphyrin moiety was modified on the commercial oligonucleotides through the active 1-hydroxybenzotriazole esters of the porphyrins.
目的研究许旺细胞在聚乳酸（PLA）无纺纤维布及聚羟基乙酸（PLGA）纤维丝上的粘附、三维生长及迁移情况。
Objective To observe the behavior of Schwann cell migration and wrapping up of fibres during co-culture of Schwann cells with steroframe of PLA and PLGA fibres.
方法以对羟基苯甲酸为原料，经三步合成，即原料的醚化、酰氯制备和酰胺化。
Methods The substance was synthesized from P-hydroxybenzoic acid through three steps, those are etherification, preparation of acyl halide and amidation of the raw material.
甲烷单加氧酶是一个三组分复合酶体系，三组分分别是羟基化酶（MMOH）、调节蛋白B（MMOB）和还原酶（MMOR）。
The constitutes and functions of these two forms are presented in this paper. MMO is a sort of three-enzyme complex system including MMOH, MMOB and MMOR.
磷酸钙陶瓷如磷酸三钙(TCP)和羟基磷灰石(HA)是常用人工骨替代材料。
Calcium phosphate ceramics, such as tricalcium phosphate (TCP) and hydroxyapatite (ha) are commonly used as bone substitutes.
将羟基磷灰石复合涂层按照特征分为三类，即单层复合涂层、双层复合涂层和梯度复合涂层。
Hydroxyapatite composite coatings were classified into three kinds according to their feature, i. e. single layer composite coating, double layer composite coating and gradient composite coating.
本文利用苯基三氯硅烷和硅胶表面羟基反应制备了苯基化硅胶。
The phenylated silica gel has been prepared by the reaction between the surface hydroxyl groups of silica gel and phenyl trichlorosilane.
最常用的羟基保护基可归纳为三类：酯类、醚类和缩醛或缩酮类。
The hydroxyl groups can be changed into esters, ethers, acetals and ketals, etc.
铁酸镁在2,3,6 -三甲基苯酚羟基化反应中的催化性能。
Catalytic Performance of Magnesium Ferrite for Hydroxylation of 2, 3, 6-trimethylphenol.
实现了纳米颗粒状四氧化三铁和纳米层片状羟基磷灰石的复合，四氧化三铁分布均匀，无团聚。
The composition of nano granulated ferroferric oxide and nano lamellar hydroxyapatite is realized, and the ferroferric oxide has uniform distribution and no agglomeration.
以蔗糖为起始原料，经羟基选择性保护、氯化、脱乙酰基等3步化学反应合成三氯蔗糖；
Sugar was as the start material by the reaction of the selective protections at 6-hydroxy, chlorination, deacetyl in three steps obtained the target compound(trichlorosucrose);
前言：以2′，5′-二羟基苯乙酮和原甲酸三乙酯缩合得到6- 羟基- 4- 色酮，再经催化氢化得到标题化合物。
6-Hydroxychroman was prepared by catalytic hydrogenation of 6-hydroxy-4-chromone, which was prepared via condensation of 2′, 5′-dihydroxyacetophenone with triethyl ortho-formate.
前言：以2′，5′-二羟基苯乙酮和原甲酸三乙酯缩合得到6- 羟基- 4- 色酮，再经催化氢化得到标题化合物。
6-Hydroxychroman was prepared by catalytic hydrogenation of 6-hydroxy-4-chromone, which was prepared via condensation of 2′, 5′-dihydroxyacetophenone with triethyl ortho-formate.
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