The appearance of free oxygen in the Earth’s atmosphere led to the Great Oxidation Event. This was triggered by cyanobacteria producing the oxygen which developed into multicellular forms as early as ...

Limnology and Oceanography, Vol. 55, No. 3 (May 2010), pp. 1064-1074 (11 pages) We elucidate the controls on the δ¹ɸO values of microbially produced nitrate by tracking the δ¹ɸO of nitrite and nitrate ...

A number of novel concepts to achieve high methane conversion and high selectivity to partial oxidation products will be employed. First, is the use of A+O2/AO system as an oxygen shuttle between O2 ...

Presented at the 2011 International Conference on Hot Isostatic Pressing Kobe, Japan, 12-14 April 2011. Three kinds of TiN porous ceramics with different relative density (SN1: 87 %; SN2: 66 %; SN3: ...