对苯二酚

In the thesis alkylate and bridging resorcarenes were used as CGC SP. Their chromatographic character were studied.

将烷基化和桥联的间苯二酚杯芳烃用作气相色谱固定相，考察了色谱性能，对普通化合物表现出良好的分离能力，尤其是对芳香族位置异构体有良好的分离作用。

The largest absorbion of the product of the reaction between PPO and catechol was at λ=410nm.

通过对澳洲青苹多酚氧化酶与邻苯二酚反应产物的重复波谱扫描，方便快速的确定了量化反应产物含量的特定吸收波长λ＝410nm。

The apparent Km values with guaiacol, catechol and pyrogallol as substrates were 2.75, 12.4 and 12.8mmol/L at 25℃ and pH 7.0, respectively.

该酶在25℃和0.05mol/L磷酸缓衝液(pH7.0)条件下对愈创木酚、邻苯二酚和没食子酸的Km分别是2.75、12.4和12.8mmol/L。

DMBQ, resorcin, ferulic acid, and hydroxybenzoic acid were effective chemical signal substances in the inducement of haustorium, but the haustorium formation rate was only 3.3%.

适当浓度的2，6-二甲氧基对苯醌、间苯二酚、阿魏酸和对羟基苯甲酸均可诱导肉苁蓉种子萌发形成吸器，吸器形成率最高为3.3%。

The effect of physicochemical factors on phenoloxidase activity of hemocyanin from Haliotis diversicolor was studied with catechol as substrate.

以邻苯二酚为底物研究部分理化因子对杂色鲍血蓝蛋白酚氧化酶活性的影响。

Tert-butyl- pyrocatechol is one of important organic substance.

对国内外对叔丁基邻苯二酚的合成工艺及其最新的研究进展进行了介绍。

Curing reactions of BPF/R EP system containing dicyandiamide were studied with differential scanning calorimetry,and the curing systems and curing condition were studied systematically with 2-ethyl-4-methyl imidazole(2E4MZ) accelerating dicyandiamide,which affected the property of BPF/resorcin copolymeriza.

通过差示扫描量热法研究了2-乙基-4-甲基咪唑对双氰胺-双酚F/间苯二酚共聚型环氧树脂体系固化反应的促进作用，并系统地探讨了固化体系及固化条件对固化物性能的影响。

Our company is the production of resorcinol, p-nitrobenzoic acid, pure phenol inter-professional manufacturers.

我公司是生产间苯二酚、对硝基苯甲酸、纯间酚的专业厂家。

Methods: the target compounds were synthesized by multi_step from resorcinol and p_substituted phenylacetic acid as the starting material.

从间苯二酚和对位取代苯乙酸开始，经多步反应，合成出目标化合物。

The interactions between phenol,m-cresol or catechol with DNA sensor were analyzed, results indicated that the threephenols damaged DNA.The direct oxidation peaks of DNA were decreased linearly withthe phenols concemtrations.R%D_(50) values showed that the m-cresol damnified DNA mosteasily.

研究了苯酚、间甲酚和邻苯二酚与DNA的作用，结果表明其对DNA有损伤作用，且存在剂量效应关系，一定浓度范围内，DNA的峰电流与酚的浓度呈线性下降关系。R％D_(50)值分析结果表明这三种酚污染物中间甲酚最容易损伤DNA。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。