tert-Butyl 4-chloro-5-iodo-7H-pyrrolo[2,3-d]pyrimidine-7-car

石墨烯纳米片聚集体, Graphene nanoplatelets aggregates

碳溅射靶, Carbon sputtering target

铬片, Chromium pieces

Co/Co3O4纳米粉末, Cobalt nanopowder

钴柱, Cobalt slug

钴箔, Cobalt foil

钴丝, Cobalt wire

铜粉, Copper powder

铜粉, Copper powder

铜粒, Copper shot