通过试验研究了浆体蓄冷空调中采用质量分数为20％的四丁基溴化铵（TBAB）溶液制备TBAB水合物浆体的方法．分别采用均匀、非均匀、带滤网的......

A novel molecule tetra-N-alkylation of cyclen (1,4,7,10-tetraazacyclododecane), 1,4,7,10-tetrakis(2-((4-hydroxy)phenoxy)......