Results 91 to 100 of about 1,738,994 (146)

[Research progress of electroactivity graphene-based materials in bone repair]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Kang R, Yuan W, Zhu Y.
europepmc   +1 more source

[Expert consensus on reconstruction treatment for irreparable posterosuperior massive rotator cuff tears]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Shoulder Joint Study Group Of The Fifth Committee Of The Chinese Society Of Sports Medicine Chinese Medical Association.
europepmc   +1 more source

一种燃料电池用复合质子交换膜的合成方法

open access: yes, 2006
本发明涉及燃料电池关键材料的合成技术,具体地说是一种燃料电池用复合质子交换膜的合成方法,步骤如下:多孔聚四氟乙烯膜经过表面改性以减小水接触角,增强润湿性,在与其润湿性良好的中沸点溶剂或低沸点溶剂中浸渍备用;将高分子固体电解质用高沸点溶剂密闭加热溶解后再加入中沸点、低沸点溶剂制成溶液;在多孔聚四氟乙烯膜上浇铸,加热挥发溶剂后进行结晶热处理即合成了复合质子交换膜。膜厚度可控在5~150μm之间。本发明合成了高性能燃料电池用复合质子交换膜,具有高分子固体电解质与聚四氟乙烯相容性良好、机械强度高、致密性良好 ...
张 宇   +4 more
core  

离子辐照引起的金属/绝缘体界面混合与相变研究

open access: yes, 2006
载能离子穿过固体界面引起界面原子迁移使界面原子混合和物质成分变化,从而导致界面发生材料相变。简要介绍了载能离子辐照引起金属/绝缘体界面混合效应及相变现象的主要实验研究进展、低能离子和高能离子辐照引起金属/绝缘体界面现象差异 ...
王志光, 刘纯宝
core  

[Expert Consensus on Shared Decision-making in the Diagnosis and Treatment 
of Ground-glass Opacity-featured Lung Adenocarcinoma]. [PDF]

open access: yesZhongguo Fei Ai Za Zhi
Zhao X   +4 more
europepmc   +1 more source

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