C&EN1 个月
Asymmetric Synthesis of Polycyclic Heterocyclic Compounds via Friedel–Crafts Reaction ...
School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi, Xinjiang 832003, China ...
Romper2 年
Easy Fourth Of July Crafts For Preschoolers
It doesn’t take much more than a paper plate, twine, paint or stickers, and a stapler.Handmade Charlotte Festive pinwheels and firecracker crafts are easy and fun for preschoolers, and they’ll ...