| 1. | Specification for zinc naphthenate and zinc naphthenate concentrates 环烷酸锌及环烷酸锌浓缩物规范 |
| 2. | Specification for copper naphthenate and copper naphthenate concentrates 环烷酸铜及环烷酸铜浓缩物规范 |
| 3. | Spectrophotometric determination of cobalt in crude oil and cobalt naphthenate with 2 - 5 - bromo - 2 - pyridylazo - 5 - diethylaminophenol 二乙氨基苯酚分光光度法测定原油及环烷酸钴中钴 |
| 4. | Methods of analysis of wood preservatives and treated timber - determination of zinc naphthenate in preservative solutions and treated timber 木材防腐剂与防腐处理后分析方法.第5部分:防腐剂溶液及防腐处理后木材环烷酸锌的测定 |
| 5. | Methods of analysis of wood preservatives and treated timber - quantitative analysis of preservatives and treated timber containing copper naphthenate 木材防腐剂与防腐处理分析方法.第4部分:含环烷酸铜的防腐剂与防腐处理定量分析 |
| 6. | Abstract : the synthetic method of pentaerythrito naphthenate by n on - acid catalyst sno was studied . the influences of mole ratio of ethanediol and naphthenic acid , a mount of catalyst , reation time , reation temperature etc . on est erification were discussed and the suitable processing conditions were found 文摘:介绍了用氧化亚锡非酸性催化剂催化合成环烷酸季戊四醇脂的方法,通过讨论醇酸摩尔比、催化剂用量、反应时间、反应温度等因素对该脂化反应的影响,从而确定了适宜的工艺条件 |
| 7. | Through orthogonal design experiments on synthesizing p - tert - butylcstechol from hydroquinone and isobutylene by using a new catalyst prepared from cobalt naphthenate and zinc chloride , the optimum technology parameters were obtained : mole ratio was 1 : 1 . 15 for hydroquinone and isobutylene , mass ratio was 100 : 20 for hydroquinone and catalyst , and the reaction temperature was 100 5 摘要用环烷酸钴与氯化锌复配的新型催化剂,以邻苯二酚、异丁烯为原料合成对叔丁基邻苯二酚,通过正交实验确定的较佳工艺参数为:邻苯二酚:异丁烯(物质的量比) 1 : 1 . 15 ,邻苯二酚:催化剂(质量比) 100 : 20 ,烷基化反应温度100 5 。 |