Ethanol extracts of schisandra, wild ageratum pollen had the stronger inhibitory activity of tyrosinase to oxidize diphenol.
五味子和野藿香花粉醇提物对酪氨酸酶二酚氧化活性有较好的抑制作用。
3′, 5,5′-tetramethyl-diphenyl diglycidyl ether was synthesized from 3,3′, 5,5′-tetramethyl-diphenol and epichlorohydrin by two-step method.
以3，3′，5，5′-四甲基联苯二酚和环氧氯丙烷为原料两步法合成了3，3′，5，5′-四甲基联苯二酚二缩水甘油醚。
Using self constructed electrochemical detection system for HPCE, o diphenol, o cresol, phenol and p diphenol were simultaneous determined with amperometric detection.
使用自行设计组装的毛细管电泳柱端安培检测系统，对四个酚类化合物进行了分离检测。
The inhibitory effects of 4-hydroxycinnamic acid on the activity of monophenol oxidase and diphenol oxidase(containing) in tyrosinase were studied using enzymological kinetic method.
采用酶动力学方法研究了对羟基肉桂酸对酪氨酸酶单酚酶和二酚酶活力的抑制效应。
Starting from natural amino acid, diphenol having a phenolic hydroxyl group was synthesized. Using the diphenole as comonomer, a biodegradable epoxy resin in which contain amide group.
用天然氨基酸为起始材料，合成了一种具有双酚羟基官能团的环肽，并以此环肽为联酚合成了主链包含酰胺键的可生物降解环氧树脂。
The invention relates to a hair dyeing method starting from a composition comprising at least one ortho-diphenol, one metal salt, hydrogen peroxide, (bi)carbonate and a basifying agent.
本发明涉及由包含至少一种邻-联苯酚、一种金属盐、过氧化氢、碳酸（氢）盐和碱化剂的组合物出发进行染发的方法。
By adopting the method, the diphenol monomers with a macromolecular structure can be polymerized with the binary acid monomer to obtain the highly heat-resistant and transparent polyester material.
通过上述方法可将具有巨大分子结构的二酚单体与二元酸单体聚合，得到高耐热且透明的聚酯材料。
By adopting the method, the diphenol monomers with a macromolecular structure can be polymerized with the binary acid monomer to obtain the highly heat-resistant and transparent polyester material.
通过上述方法可将具有巨大分子结构的二酚单体与二元酸单体聚合，得到高耐热且透明的聚酯材料。
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