2025年2月19日,成都市人民政府外事办公室联合邛崃市人民政府举办 “领事官员区(市)县行——走进邛崃”活动,邀请外国驻蓉、驻渝总领事和领事官员代表、外国驻蓉商会代表、港澳驻蓉机构代表到邛崃参观访问,寻求合作交流新机遇。
US President Donald Trump on Friday fired the chairman of the Joint Chiefs of Staff, Air Force General Charles Brown, and announced his nomination of retired Air Force Lieutenant General Dan Caine as ...
The Guilin Lijiang River loop outdoor sport route in Guangxi Zhuang autonomous region was selected among the list of the 2025 Spring Festival Holiday Outdoor Sports Boutique Routes, which was ...
在充满挑战的市场环境下,General Mills Inc. (GIS)股价触及52周新低,跌至56.7美元。根据 InvestingPro ...
The reporter learned from the Secretariat of the China-ASEAN Expo that it co-hosted Spring Festival exchange activities with the Consulates General of ASEAN countries in Nanning on February 18. The ac ...
Athens General Composite 中表现最好的股票为Intracom Holdings SA (AT: INRr ),上涨2.87%(0.09点),收盘报价为3.22。同时,Autohellas (AT: AUTr )上涨了1.28% ...
China on Wednesday issued an action plan to stabilize foreign investment in 2025, which was approved by a recent State ...
神州学人网讯(通讯员 施惠文) 近日,GRE官方发布最新年度报告A Snapshot of the Individuals Who Took the GRE General ...
2025年2月17日,中共中央总书记、国家主席、中央军委主席习近平在京出席民营企业座谈会并发表重要讲话。 Xi Jinping, general secretary of the Communist Party of China Central ...
由贝哲斯咨询统计低功率电缆市场数据呈现,全球与中国低功率电缆市场规模2023年分别达到了 亿元(人民币)与 亿元。针对未来几年低功率电缆市场的发展前景预测,报告预估到2029年市场规模将以 %的增速达到 亿元。
利用DPPA通过Mitsunobu反应取代羟基合成叠氮化物的文章(点击:),但 Mitsunobu反应会生成大量的副产物,不易纯化。下面介绍一种可以得到相同产物的方法,利用DPPA和DBU,可以取代羟基得到构型翻转的叠氮化物,此反应生成副产物 ...