-There is a wind-caused upwelling along the east coast of Guangdong in summer. Its central position is above the depth of 20 m, and its annual variation is qui
-The 2-D cylinder flow selected is to be simulated numerically in non-uniform grid. The results show that for this kind of steady flow problem there are striki
It is of significance to study the formation conditions and thermal history of minerals andore deposits by measuring TL characters of minerals and the differen
-In the system HCl-Sb (Ⅲ)-ammonium molybdatc-acetone-butanone, PO43-, Sb (Ⅲ) and Mo (VI) form ternary heteropoly acid. This ternary heteropoly acid anion is