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- alkyl fluoride 氟化烷,烷基氟
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- Alkyl bromides can be produced this way. 溴化烷可以这样形成。
- 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
- Does fluoride help prevent cavities? 氟可以防止蛀牙吗?
- 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
- Lab Experiment on Harm of Fluoride on Rubber Trees. 大气氟化物对橡胶树的伤害实验研究。
- Dried Aluminium Fluoride Producing Facility. 干法氟化铝生产装置建设。
- Study on Polyvinylidene Fluoride Coating. 聚偏氟乙烯涂料的研究。
- PH is 6.5 to 8, no sulfur or fluorid. PH值为6.;5到8之间,不含硫、氟化物。
- Fluoride has many effects on cell mem brane . 氟对细胞膜有多方面的影响。
- 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。
- Enolase isolated from peas was sensitive to fluoride. 从豌豆提取的烯醇酶对氟化物敏感。
- 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。
- It is a proven fact that fluoride strengthens growing teeth. 氟化物可以强化生长中的牙齿,这是已证明的事实。
- Fluoride injury often is characterized by tip burn of leaves. 氟化物危害的特点是叶片顶尖灼燃现象。
- Since then, many studies have confirmed the value of fluoride. 从那以后,许多研究都证实了氟化物的价植。