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- seco alkylation 断裂烷基化
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- Seco nd,financial factors are critical for growt... 第二,金融因素仍是推动经济增长的重要因素。
- Alkyl bromides can be produced this way. 溴化烷可以这样形成。
- This invention concerns an alkylation process. 本发明涉及烷基化方法。
- To add one or more alkyl groups to(a compound. 使烷基化在（一种化合物）中添加一个或多个烷基团
- To add one or more alkyl groups to(a compound). 使烷基化在（一种化合物）中添加一个或多个烷基团
- Formation of an alkyl ion occurs according to reactions. 按照反应式生成烷基离子。
- The general answer to this problem is to avoid alkyl halides. 解决这一问题的一般办法是避免使用烷基卤。
- Our 2008 Scott Family Estate Arroyo Seco Chardonnay is very food-friendly. 这是一款非常容易配餐的葡萄酒。
- E se uno ti vuol costringere a far seco un miglio, fanne con lui due. 有人要告你，想拿你的衬衫，就连外套也让他拿去。
- Ingredients: Alga essence, alkyl indican, chamomile essence, etc. 主要成分：海藻精华、烷基糖苷、洋甘菊精华等。
- Ingredients: alkyl indican, cucumber extract, VC, etc. 主要成份：烷基糖苷、小黄瓜提取液、VC等。
- Alkyl indicant is a new non-ionic surface active agent. 烷基糖苷是一类新型的非离子表面活性剂。
- SECO Tools(Shanghai) Co., Ltd. is one of forty-five subsidiaries of SECO Tools AB. 山高刀具(上海)有限公司是瑞典山高刀具公司的45家子公司之一。
- Bolted Bonnet Gate Valves for Alkylation service (HF Acid service see page 19). 适用于烃化物应用领域的螺栓阀帽闸阀（氟化氢酸应用领域请参阅第19页）。
- Methods:Rupatadine was prepared from loratadine via hydrolysis and alkylation. 方法:以氯雷他定为原料,经水解、烷基化2步反应合成卢帕他定。
- The reaction yield can be increased by the improvement of alkylation methods. 本文研究了烃化反应;并对其进行了工艺改进;结果使原反应产率得以明显提高.
- At this seco nd meeting decisions may be taken by asimple majority of those members present and voting. 在第二次会议上，决议可由到会并投票的会员的简单多数票通过。
- We think the active species is SeCO under high pressure and is H2Se under atmospheric pressure. 在实验的基础上提出了对硒催化CO/H_2O还原芳香硝基化合物机理的一些粗浅认识。
