Methods Occlusion of the openings of main artery and side artery was performed through double-channeled air pocket tube,with normothermia,normal flowing rate and heart beating.
方法采用经肺动脉双腔气囊导管封堵主动脉侧动脉导管开口,、
规流量,心脏不停跳缝闭动脉导管开口。
Methods Occlusion of the openings of main artery and side artery was performed through double-channeled air pocket tube,with normothermia,normal flowing rate and heart beating.
方法采用经肺动脉双腔气囊导管封堵主动脉侧动脉导管开口,、
规流量,心脏不停跳缝闭动脉导管开口。
As described above, the collapse of a rotating cloud of gas and dust leads to the formation of an accretion disk through which matter is channeled onto a central protostar.
分
重力能量在崩溃
过程中会以红
形式损失掉,其馀
则会用于增加天体核心
度。
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