Objective to explore the change of blood rheological parameters and it 's influence to peri - operative cardiovascular events in peri - operative periods of elderly coronary heart disease patients.
目的探讨老年冠心病患者非心脏手术围手术期血液流变学变化规律及与心血管事件的关系。
The aromatic structure of pentane asphaltenes is mainly peri condensed, while for resins the proportion of cata condensed and peri condensed aromatic structures is comparable.
戊烷沥青质中以迫位缩合的芳香环系结构为主，胶质组分中渺位缩合与迫位缩合的芳香环系结构各占相当比例。
The aromatic structure of pentane asphaltenes is mainly peri condensed, while for resins the proportion of cata condensed and peri condensed aromatic structures is comparable.
戊烷沥青质中以迫位缩合的芳香环系结构为主，胶质组分中渺位缩合与迫位缩合的芳香环系结构各占相当比例。
应用推荐