研究人员发现的证据表明,由于北极湖泊沉积物中冰消失,硫酸盐还原细菌数量在不断增加。
VANISHING ICEIn the sediments of Arctic lakes, researchers found evidence that Numbers of sulfate-reducing bacteria are growing.
近岸的浅水条件,丰富的陆源细碎屑,局部的还原相带,是形成富铀沉积物的三个基本条件。
Nearshore shallow water environment, abundant terrestrial fine detritus, local reduction facies and zones are three cardinal conditions for the formation of uranium-rich sediments.
采用分离培养和PCR对贵州阿哈湖沉积物中硫酸盐还原菌类群进行分析,并对分离纯化的一株硫酸盐还原菌进行鉴定。
Isolation culture and PCR were performed to analyze sulfate-reducing bacteria subgroups in the sediment of Lake Aha in Guizhou Province and a purified strain identified from the sample.
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