本文列举了一些含卤族元素的氧化剂对不同种类醇的选择性氧化实例.This article enumerate some Halogen - based oxidants and their some important applying examples.我们认为这是卤族离子与芳羧酸吸附竞争,使芳羧酸分子从银胶表面脱附所导致的.The influence of halogen ions on SERS of aromatic acids ...
Furthermore, AAAS is fair, stable and agile in global resource utilization.此外, 由于AAAS采用了基于PID的 控制算法,保证了系统在资源分配上的平衡性 、 稳定性和灵敏性.Written approval must be obtained adance from the AAAS for any uses not expressly permitted ab...
那么, 为什么所有的希腊化时期的统治者都鼓励在各地建立和发展城币 呢 ?Why , then, did all Hellenistic rulers foster the creation and growth of cities throughout their territory?所以,埃及的“希腊化”还不如说是希腊的“埃及化”.Greekization of Egypt is actually Egyptianization of...