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The synthesis of terpene hydroquinone resin with turpentine and hydroguinone was studied, with AlCl 3 as catalyst.

摘 要:研究了以无水三氯化铝为催化剂,松节油与对苯二聚合反应制备萜烯对苯二树脂的情况。

Two series of thirty-two aryl arylmercury studies were synthesized by the reaction of arylmercuric chloride with thiophenol or 4-methylthiophenol in ethanol.

芳汞基氯化汞和苯硫或对甲基硫在乙醇中反应合成了两个系列共32种芳汞基芳基硫化合物,其中22种为新化合物。

The adsorption orientations of benzene derivatives, thiophenol, 4-aminothiophenol and 1,4-dithiobenzene, were investigated on the surfaces of roughened Ag electrodes by using surface-enhanced Raman spectroscopy.

采用表面增强拉曼光谱技术研究了苯硫及其功能衍生物,对巯基苯胺和对苯硫在粗糙银电极上的吸附取向特征。

Result The results showed that its components were quite complex, and 89 organic compounds were identified. There were 72 kinds of oxygen-containing organic compounds which included esters, phenols, aethers, ketones and alcohols in the depolymerization product, small amounts of alkanes, alkenes, arenes, thiophenol and nitrogen-containing organic compounds were also detected, which showed that characteristics of the product with high oxygen content, low nitrogen and sulphur content.

结果]超临界乙醇解聚产物成分十分复杂,GC/MS分析鉴定出89种有机化合物,其中72种为含氧化合物,主要有酯、、醚、酮和醇等,还检测出少量烷烃、烯烃、芳烃、苯硫和含氮化合物,反映了解聚产物的高含氧量和低含氮硫量的特性。

METHODS With thymol and bupivacaine as the internal standards for propofol and lidocaine respectively,the extraction was performed with cyclohexane.

以麝香草和布比卡因分别为异丙和利多卡因的内标,样品用环己烷提取。

The absorption of NH + 4 was lowered by t he i ndophenol method because of the similar structure of thymol and phenol.

由于百里与苯结构相似,造成靛法的铵离子分析中吸光度有所降低。

The thesis applies the principle that organism and organic reagent can visualize in some condition and produce color association polymer. We have tried several organic reagents in order to build color reaction for berberine; at last, we find that thymol blue can react with berberine with good results.

Spectrophotometric Determination of Berberine using Thymol Blue-化学工程与工艺-利用有机化合物与有机试剂在一定的条件下能显色生成有色缔合物的原理,尝试了铬兰黑R、百里香蓝、甲红等多种有机试剂与盐酸小蘖碱的显色反应,结果发现麝香草蓝与盐酸小蘖碱的显色反应较好。

By tracing the antifungal and antibacterial activities of the volatile oils, it is found that the major active site in fiuit oil of Litsea mollis is aldehydic fraction such as citral, the major active site in oil of Thymus quinquecostatus is phenolic fraction such as thymol and the major active site in ginger oil is high boiling-point terpenic constituents such as β-caryophyllene, eudesm-4 (14)-en-11-ol, et al.

通过抗菌活生追踪发现,毛叶木姜子果油的主要活性部位是醛类成分,如柠檬醛;地椒油的主要活性部位为类成分,如百里香;姜油的主要活性部位为"高沸点萜类组分",如β-丁香烯、4(14)-桉叶油烯醇-11等。

High content α-tocopherol was prepared from tocopherol mixture (tocopherol content 52.3%).

以含量为52.3%的混合生育作原料制备高含量的α-生育

The reaction was found to bewith the formation of a single complex in which the molar ratio of Fe+++ tois 1:1. This result has also been confirmed by interferornetric method and potentiometnetitration.

氯化高铁与类化合物产生颜色,这种颜色的来源是由於高铁离子与某~-形成络离子,所以可以应用Job在1928年所提出的连续变化法(The Method of Continuous Variation)研究这些离子的组成。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

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