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Analysis of the aeroacoustic characteristics of the centrifugal fan in a vacuum cleaner
D-A-π-A dye-sensitizers with Cd (Ⅱ) or Cu (Ⅱ) complex as auxiliary electron acceptor
D-A-π-A dye-sensitizers with Cd (Ⅱ) or Cu (Ⅱ) complex as auxiliary electron acceptor
D-A-π-A dye-sensitizers with Cd (Ⅱ) or Cu (Ⅱ) complex as auxiliary electron acceptor
Freight cars shunting impacts analysis using an improved dynamic model of friction draft gear
Research on Technology of Gas Pipeline Leakage Detection Based on Infrasonic Wave