来自MSN15 天
Strange Holes in Georgia's Clouds: The Science Behind Fallstreak Formations
The holes officially have been given the supplementary feature name "Cavum" by the World Meteorological Organization. Cavum means cavity or hollow space. Jonathan Belles has been a graphics ...
C&EN1 个月
Biodegradation Study of Used Engine Oil by Free and Immobilized Cells of the Pseudomonas ...
Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan ...