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The effect of transient balloon occlusion of the mitral valve on left atrial appendage blood flow ve
[期刊论文] 作者：WANG Jian’an,ZHANG Xianglan,YA,
来源：中华医学杂志 年份：2000
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[期刊论文] 作者：Zhang Xianglan,Deng Shengfu,Li,
来源：矿业科学技术（英文版） 年份：2004
A series of activated carbons (ACs) were prepared using HNO3, H2O2 and steam as activation agents with the aim to introduce functional groups to carbon surface...
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