A novel method for obtaining spherical MoO2 nanoparticles and SiO2-Al2O3 supported MoO2 by hydrothermal reduction of Mo (VI) species was studied. The obtained M
1980年1月~1997年12月,笔者共收治70岁以上老年人自发性蛛网膜下腔出血(SAH)152例,占同期SAH388例的39.2%。经抢救成功121例,成功率79.61%。报告如下。1临床资料1.1一般资料本组152例,男90例,女62例,年龄70...
January 1980 ~ December 199