【单选题】Sediment organic matter ( ) by analytical pyrolysis-gas chromatography-mass spectrometry were characterized.
【判断题】马铃薯休眠初级阶段:收获到表皮老化和伤口完全愈合,约20-30天。
【单选题】Organic carbon fluxes in an anoxic sediment trap ( ) from the Cariaco Basin was studied.
【单选题】The organic matter may partially ( ), using up the dissolved oxygen in the sediment.
【单选题】外伤后急性硬脑膜外血肿者,最典型的意识障碍是
【简答题】外伤后急性硬脑膜外血肿者,最典型的意识障碍是