Dehydrogenation of ethylbenzene (EB) to styrene (ST) in the presence of CO2, in which EB dehydrogenation is coupled with the reverse water-gas shift (RWGS), was
2003年美国国家高血压预防、检测、评估和治疗委员会第七次报告(JNC7)将收缩压为120~139 mm Hg(1 mm Hg=0.133 kPa)和/或舒张压为80~89 mm Hg定义为“高血压前期”[1-2]。高血压前期也曾被称为“短暂性高血压”、“临界高血压”以及“高于正常的血压”,目前趋向于称为“高血压前期”。随着高血压发病率的不断上升,人们对高血压的控制及防治靶器官损害更加重视,同时对