Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate.以间硝基苯甲醛, 乙酰乙酸乙酯,氨化试剂为原料.Fructone was synthesized from ethyl acetoacetate and glycol using activated carbon supported phosphotungs...
AIM : To provide rational use of gastrointestinal prokinetic agents ( GIPA ) for clinicians reference.目的: 为临床了解与合理应用胃肠 促 动力剂提供参考.Congenital - infantile fibrosarcoma is a rare tumor with which clinicians should be familia...
We had a knowledgeable guide in the person of George Adams.我们有一位见识广博的导游乔治·亚当斯。We employ friendly and knowledgeable staff.我们雇佣友善的、在行的员工。Cocaine addicts get specialized support from knowledgeable staff.对可卡因上瘾的人从那些懂相关知识的工作人...
In 1971, the 1p and 2p decimal coins were introduced in Britain.英国于 1971 年开始使用十进制的 1 便士和 2 便士硬币。The decimal part of a logarithm. In the logarithm 2.95424, the mantissa is 0.95424.尾数对数的小数部分. 如在对数2.95424中, 尾数是0.You do unde...
有钓具可供出租。Fishing tackle is available for hire.约翰忘了带钓具.John forgot to bring fishing tackle with him.我们到渔具用品店买了几样钓具.We went to the baIt'shop to buy some tackle....