黄金已大约收复其2008年下跌的75%,而GDX只收复了约一半的损失。
The Surface Modification of the Stationary Phase of Porous Polymer Beads GDX-101 by the Way of Microwave Plasma;
Since 1997 to 2016, "GDX" brand, which was founded in Fujian Provice, Jinjiang City, has making their great effort for eighteen years.
采用GDX 10 3 高分子多孔微球为固定相,气相*谱法测定乙醇羰化液中**含量。
结果表明,极*化合物用GDX—502,非极*化合物用GDX—102为吸附剂,以*醇或乙*为洗脱剂能获满意的结果。