碘球状, Iodine spheres

铱箔, Iridium foil

铁粉, Iron powder

铁箔, Iron foil

铁溅射靶, Iron sputtering target

铁线, Iron wire

铅颗粒, Lead granules

铅箔, Lead foil

铅线, Lead wire

镥箔, Lutetium foil