Through K-Ar isotope age study in pillow basalt,has gained the isochrone age is 139Ma.The age is the formation age of pillow basalt.
枕状玄武岩中获得K-Ar(全岩)同位素年龄为139Ma(
试单位:宜昌地质矿产所同位素室),因此确定其时代为晚侏罗世晚
。
Through K-Ar isotope age study in pillow basalt,has gained the isochrone age is 139Ma.The age is the formation age of pillow basalt.
枕状玄武岩中获得K-Ar(全岩)同位素年龄为139Ma(
试单位:宜昌地质矿产所同位素室),因此确定其时代为晚侏罗世晚
。
Isochrones were displayed both during sinus rhythm and AF.Results During sinus rhythm,the atrial excitation wave front begins from sinus node spreading to right atrium(RA)and left atrium(LA).
胸状态下,使
自制的心外
电极及信号采集系统分别对窦性心律及急性房颤心律进行心房心外
,绘制等时图。
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