Researchers from six different universities are working on measuring nitrous oxide emissions from an old CBC broadcast tower ...

Figure 1: Influence of greenhouse-gas emissions on ... scientists realized that nitrous oxide was the main source of ozone-depleting nitrogen oxide radicals in the stratosphere.

IT has been reported 1 that when a virgin soil is brought under cultivation, the percentage of total nitrogen usually falls off with time up to a limiting value. A loss of nitrogen from soils on ...

Goldman, 1 in 1928, reported the intermittent administration ... In 1957, Kieler and his associates, 9 using various concentrations of nitrous oxide, nitrogen and oxygen on embryonic mouse-heart ...