to launch an iridium satellite發(fā)射銥星Using the same approach, iridium is alloyed with rhodium.使用同樣方法, 銥被熔合與銠.Before the collision , Iridium had a group of sixty - six satellites in orbit.在這些衛(wèi)星隕落之前, 銥星 公司有66顆衛(wèi)星在軌道上運行.Iron, n...
Iron, nickel, copper, silver, gold, iridium , or ruthenium may be included as cocatalyst metals.鐵 、 鎳 、 銅, 銀 、 金, 銥或釕,可用作復(fù)合催化劑金屬.Using the same approach, iridium is alloyed with rhodium.使用同樣方法, 銥被熔合與銠.Before the collisio...