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- This paper reports a new process of synthesizing paracetamol from phenol by acetylization,oximation and Beckmann rearrangement. 报道了由苯酚经过乙酰化、肟化、重排反应合成扑热息痛的一种新方法。
- Method Thermal rearrangement reaction was used. 方法热重排反应。
- The rearrangement type is wanted to this book. 这本书要重排铅字。
- The real rate of removing phenol is more than99.9%. 与常见的塔设备相比具有设备简单、作灵活,维护方便等特点。
- Hydroxy-acetophenone was synthesized from phenol and acetic anhydride by esterification and Fries rearrangement reactions with the yield of 58.5%(content 98.68% of 4-hydroxy-acetophenone). 以苯酚和乙酐为原料 ;经过酯化反应和 Fries重排反应合成了对羟基苯乙酮 ;收率 5 8.;5%25;纯度 98
- Of, relating to, containing, or derived from phenol. 苯酚的苯酚的,有关苯酚的,含有苯酚的,或从苯酚中提炼的
- Using Chapman rearrangement to prepare 2, 6?dichloro?diphenylamine? 应用Chapman重排制备2,6-二氯二苯胺
- A minimum rearrangement scenario is a distance between two genomes. 我们将这个最少的重组次数称为两个基因组的距离。
- Shi: It's a rearrangement of yin and yang.I wanted a big sound. 史:确实是阴差阳错的,本来我想让它有很大的声音。
- Phenol contents and browning in tissue culture of Pistacia vera L. 阿月浑子总酚含量与褐变关系研究。
- It is involved in phenol metabolism and membrane function. 这是和酚代谢及细胞膜功能有关。
- Further hydrogenation of phenol leads to cyclohexanol very cleanly. 苯酚加氢进一步导致环非常清廉.
- Phenol red test was used to observe its expectorant action in mice. 用小鼠酚红实验观察其祛痰作用。
- Brown liquid ,mainly consist of phenol ,cresol and xylenol etc. 棕褐色液体,主要由苯酚,甲酚和二甲酚等组成。
- Secondly, 2-anisyl phenol is used to increase content of aromatics. 第二,加入邻甲氧基苯酚以增加芳香分的含量。
- A name formed by the rearrangement of the letters of a word or words. 将一个或几个字的字母重新排列所形成的名称。
- With HPLC the two-phase nitration of phenol is stud-ied. 利用HPLC研究了苯酚的两相硝化反应。
- This rearrangement changes the index of the elements after the insertion point. 此重新排列将更改插入点之后的元素的索引。
- This rearrangement changes the index of the elements after the removal point. 此重新排列将更改移除点之后的元素的索引。
- Exon rearrangement of parkin gene exists in Chinese patients with isolated EOP. 我国散发EOP患者存在parkin基因外显子重排突变。
