硫化物集体大部由磁黄铁矿 、 镍黄铁矿 、 黄铜矿及黄铁矿组成.The sulfide assemlage consists largely of pyrrhotite, pentlandite, chalcopyrite, and pyrite.某些贱金属以及金常常与磁铁矿和磁黄铁矿这类磁性矿物一起被发现.Base metals and gold are often found in association with magnetic...
歌声缭绕在人群上方，如同低声祝福。The song hovered, like a whispered benediction, above the crowd.一缕盘旋的轻烟从农舍唯一的烟囱里缭绕升起。A thin twist of smoke curled from the cottage's single chimney.屋内香烟的烟雾缭绕.Inside, clouds of cigarette smoke swirle...
Immunohistochemically, the tumor cells were positive for EMA , PCK, NSE, Syn and CgA.免疫组化:NSE 、 Syn、CgA、 EMA、PCK呈阳性表达.RESULTS Chromogranin A ( CgA ) positive GC was demonstrat - ed in 85 cases ( 45.0 % ).85例检出CgA阳性癌细胞 ( ...