对苯二酚

The proposed method is based on the inhibitory effect of resorcinol on the reaction of potassium periodate oxidation of pyronine Y in phosphoric acid medium.

在磷酸介质中，痕量间苯二酚对高碘酸钾氧化吡咯红 Y使其荧光猝灭具有抑制作用，据此建立了动力学荧光法测定痕量间苯二酚的新方法。

Chemical corporations within this region may provide matching chemical products and raw materials such as citric acid, starch sugar, L-lactic acid, nitrochlorobenzene, paranitrophenol sodium salt sodium para-nitro phenolate, pphenylenediamine , sodiumhydroxide, benzene anhydride, carbonic acid propylene grease, polyacrylamide ,2.4- dinitrochlorobenzene, 2.4- dinitrosixchlorin, and sodium cyanide.

区内化工企业可配套提供柠檬酸、淀粉糖、 L —乳酸、硝基氯苯、对硝基酚钠、对苯二胺、烧碱、苯酐、碳酸丙烯脂、聚丙烯酰胺、2.4—二硝基氯化苯、2.4—二硝基6氯、氰化钠等化工产品或原料。

The research foreground of the synthesis of pyrocatechol from 1,2-cyclohexanediol is also prospected.

综述了1，2-环己二醇脱氢制备邻苯二酚催化剂的研究进展，重点介绍了Pd催化剂和Ni催化剂的研究现状，并对环己二醇脱氢制邻苯二酚的研究前景进行了展望。

After 48h exposure, The GST activities were all inhibited under the exposure of phenol and pyrocatechol, but the GST activities were induced at first and then inhibited under the exposure of resorcinol.

处理48h后，体内GST活力随苯酚和邻苯二酚浓度的升高逐渐降低，而间苯二酚对GST活力的影响与处理24h后GST活力的变化趋势相似。

According to the differences of the materials, there are many methods of synthesis for benzofuranol , such as the pyrocatechol method, the cyclohexanone method, the o-chlorophenol method, the nitrophenol method, the methoxy phenol method, and so on.

根据原料的不同，呋喃酚合成方法可分为邻苯二酚法、邻氯苯酚法、环己酮法、硝基苯酚法、愈创木酚法、邻异丙基酚法、羟基苯异酮法等，文章对前几种较常见的合成方法的原理及工艺进展进行了详细的综述，并展望了呋喃酚合成方法的发展趋势。

Six calix[4]recorcinarenes are synthesized by the reaction of resorcin as substrates with six aromatic aldehydes, respectively.

以间苯二酚为反应底物，分别与六种芳香醛合成了相应的杯[4]间苯二酚芳烃，并通过红外光谱和氢核磁共振谱对这些化合物进行了表征。

The protein had the specificity on substrate recognition, which could decompose 3,4-dihydroxybenzoic acid to catechol but not 2,4-dihydroxy- benzoic acid to resorcin. The ligand at C-3 site of benzene ring had no effect on enzyme activity.

蛋白质还具有底物识别的特异性，能够催化3，4-二羟基苯甲酸转化为邻苯二酚，而不能催化2，4-二羟基苯甲酸转化为间苯二酚，这表明苯环上3'位的配基对酶活无影响。

The sulfonation and oxidation processes for manufacture of resorcinol are compared in environment benefit and some suggestions on the development of resorcinol are proposed.

介绍了间苯二酚的主要用途和国内外生产现状，并对主要的生产方法磺化法和氧化法从环境效应上进行了比较，对今后我国间苯二酚的生产发展提出了建

The application fields and market situation of resorcinol in the United State, west Europe and Japan were narrated in detail. Meanwhile, the domestic consumption of resorcinol in different fields, its import and export situation were analyzed. And the expansion, newly construction of resorcinol units in China were summarized.

详细概述了美国、西欧和日本间苯二酚的应用领域及市场现状；同时还分析了国内间苯二酚在各领域的消耗和近几年的进出口情况，并对国内扩建以及新建的间苯二酚装置情况进行了全面的总结。

Three composites of the different fibers with epoxy resin matrix are prepared and the corresponding unilateral fiber reinforced winding ring specimens are fabricated. The mechanical poperties of the composites including tensile strength, modulus and three point interlaminar shear strength are tested.

据文献 [2 ]介绍，PBO(聚对亚苯基苯并双口恶唑)是含杂环的苯氮聚合物的一种，它是采用二氨基间苯二酚和对苯二甲酸在多磷酸中聚合、采用空气间隙湿法纺丝法进行纺丝而制得的。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷