Research on Mathematical Methods of Improving Fama and French Three-factor Model Based on ETF Factors von Wu, Yanqing, Mo, Xiaochong, Wang, Yuanxin, Gan, Fuwen

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Low-power-consumption efficient silt reduction ship rake head for desilting and silt reduction ship von ZOU ZHIJUN, HE XUANBING, HUANG SHUANGFEI, CHEN YUWEN, MAO XIAOCHONG, MO ZHIFANG, SHI LEI, WANG SONG, YU YANAN, ZOU JING

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Underway aeration siltation reduction ship for siltation reduction of port channel von HE XUANBING, YANG JINGPENG, CHEN YUWEN, MAO XIAOCHONG, MO ZHIFANG, SHI LEI, WANG SONG, YU YANAN, ZOU JING

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Underwater raking device for channel dredging von CHEN XIAOJIANG, ZENG XIAOJUN, MO ZHIFANG, LI JIN, SHI LEI, YU YANAN, ZHU BAODENG, WANG WENBING, LIANG CHENGHUA, MAO XIAOCHONG, WANG SONG, LU YONGYUAN, ZOU JING

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Method for manufacturing comb-shaped bracket of mechanism for lifting a group of silicon wafers in diffusion process basket von LYU MO, WEI XIAOCHONG, WANG FEI, YUE JUN, WANG CAIYUN, LI YUNFENG, CHEN JIARONG, DU HUMING

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Sparse tooth bracket convenient for single-tooth replacement and based on high-precision assembly von LYU MO, WEI XIAOCHONG, MU XINGZE, YUE JUN, WANG CAIYUN, LI YUNFENG, CHEN JIARONG, DU HUMING

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