TY  - SER
AU  - Du, lin
AU  - Yan, Xiaoming
AU  - He, Gaohong
TI  -  Speek Proton Exchange Membranes Modified with  Silica Sulfuric Acid Nanoparticles
KW  - Proton Exchange Membrane
KW  - Speek
KW  - Composite Membrane
ER  -