查询词典 phenolic

Cooking at the course functional groups of residual lignin changes, methoxyl content decreased, from 15.42% dropped to 12.35%, the phenolic hydroxyl group content and carboxyl content has increased, from 2.08% rosed to 3.17%, carboxyl content from 5.36% rosed to 5.99%.

木质素研究指出：甜竹原料木质素中C9单元式甲氧基含量与青皮竹比较相近、分子量主要集中在小于4000组分(占50.5%)而大于16000只占少量、甲氧基含量为15.42%、酚羟基含量2.08%、羧基含量5.36%、硝基苯氧化结果摩尔比为

AIM: To investigate the inhibition capacities of carnosol, rosmanol, and epirosmanol, which are phenolic diterpenes from Rosmarinus officinalis, to oxidized low-density lipoprotein formation in human blood and detect their scavenging activities to lipid free radical and superoxide anion in vitro.

目的：研究迷迭香中二萜酚化合物鼠尾草酚、迷迭香酚和表迷迭香酚对人低密度脂蛋白氧化的抑制作用及其对自由基和超氧阴离子的清除作用。

Hibiscus protocatechuic acid, a simple phenolic compound, isolated from Hibiscus sabdariffa L.

原儿茶酸（protocatechuic acid， PCA）是一简单多酚类化合物，经由乾燥的洛神花萃取而来的。

In general, juice from ripe fruits contained higher total quantities of phenolic compounds, condensed tannins, flavonoids and scopoletin, and thus exhibiting better scavenging capacity for free radical, superoxide anion radicals and H2O2 and higher ACE inhibitory activity.

一般而言，成熟的诺丽果含有较高的总酚化合物、缩合单宁、类黄酮和7-羟－6-甲氧香豆素。因此具有较佳能力以扫除自由基、超氧阴离子和过氧化氢及较强ACE抑制力。

Eight phenolic acids in Satsuma mandarin during maturity were determined by high-performance liquid chromatography coupled with photodiode array detector in this study, which were:protocatechuic, p-hydroxybenzoic, vanillic, caffeic, p-coumaric, ferulic, sinapic and chlorogenic.

采用HPLC-PDA测定了不同成熟期温州蜜桔中八种酚酸的含量，即绿原酸、咖啡酸、对香豆酸、阿魏酸、芥子酸、原儿茶酸、对羟基苯甲酸和香草酸。

Adhesive has environmentally-friendly products are mainly urea-formaldehyde resin, melamine urea-formaldehyde resin and modified phenolic resin; concrete water reducer products are mainly water-reducing agent has Sulphamate, polycarboxylate water reducer and superplasticizer melamine.

胶粘剂产品主要有环保型脲醛树脂、三聚氰胺改性脲醛树脂和酚醛树脂；混凝土减水剂产品主要有氨基磺酸盐减水剂、聚羧酸减水剂和三聚氰胺减水剂。

Phenolic resin/montmorillonite hybrid resin were prepared by Zn_2 catalyst and cured by p-toluene sulphonic acid through one step process in this paper.

在醋酸锌催化剂作用下，采用边缩聚边插层的一步法制备了酚醛树脂/蒙脱土杂化树脂，并采用对甲苯磺酸为室温固化剂制得酚醛树脂/蒙脱土复合材料。

The infrared spectrums show that the phenolic tars on the waste catalyst contain the typical structure of C=O bond, and it comes from the further oxidation of catechol.

红外光谱分析表明，1620cm^(-1)，吸收峰的产生和强化进一步说明废催化剂上沉积的酚焦油含有典型的C=O结构。

After treated with CuAz, the hydrogen from phenolic hydroxyl group in lignin was replaced by Cu from treated solution, being N-Cu-O complex, or two of the ammonia ligands of the tetrammine complex were replaced by copper-oxygen bonding from hydroxyl, being Cu-N-lignin complex.

在铜唑防腐剂处理后，木质素上酚羟基的H可以被Cu取代，形成&N-Cu-O&形式的络合物；或者处理液中四氨络合物中的2个氨配体被羟基取代，形成芳香族-铜络合物。

ATH surface was chemically bonded in sequence by tolylene diisocyanate, alkyl phenolic-formaldehyde resin and acrylonitrile-butadiene rubber.

采用表面原位化学组合改性的方法，在Al3表面顺序经原位化学反应结合上甲苯二异氰酸酯、烷基酚醛树脂、丁腈橡胶等界面改性剂。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。