Mr Chan is a Certified Public Accountant. He is a former President of the Hong Kong Institute of Certified Public Accountants. Before joining the Government, Mr Chan held a number of public service ...
Mr Chan joined the Immigration Department in 1982 as an Assistant Immigration Officer. He was promoted to Assistant Director of Immigration in 2007 and Deputy Director of Immigration in 2010. He was ...
引领新的开发模式OnlineCoding->代码生成->手工MERGE,帮助Java项目解决70%重复工作,让开发更关注业务,既能快速提高效率,帮助公司节省成本,同时又不失灵活性。 Denfome-Chan / jeecg-boot Public forked from jeecgboot/JeecgBoot Star Go to file ...
含有 NH/OH/SH基团的底物在弱碱条件下,在空气中通过醋酸铜催化,与有机硼酸化合物氧化交叉偶联进行芳基,烯基和烷基化的反应。 常见的反应底物:酰胺,胺,脒,苯胺类,叠氮化物,唑类,乙内酰脲类,肼类,酰亚胺,亚胺,亚硝基化合物,吡嗪酮,嘌呤 ...
Chan-Lam偶联反应作为一类条件温和、高效、官能团兼容性好的偶联方法,不仅被广泛地应用于各种碳-杂键、碳-碳键的形成反应中,也成功地应用于复杂天然产物的全合成中。 Chan-Lam偶联反应机理: ...
本项目为ThoughWorks内部【敏捷工程实践系列】之「重构」线上练功房热身编程题,业务复杂度相对简单,预估花费 0.5 ~ 1小时完成。 老王经营了一家超市,之前找了一个Vendor开发了一款简化版的超市收银机。收银机的功能很简单:在顾客结账时,需要打印订单信息。
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