Ion-pair complexes of sulphonamide derivatives with quaternary phosphonium and quaternary arsonium have been synthesized and their electrode performances studi
Beachrocks like those in Haishan Island’s “beachrock field” are rarely found elsewhere. They contain typical cement-aragonite. The assemblages of foraminife
A trace of tin exists in seawater, and is also probably in combination with organic materials or microbes. Therefore, it was reported that methods for determin