作者单位:Liu Guoliang,Wang Jingsong,Sun Wei,Sun Haoyan,Huang Shuyou,Xue Qingguo(School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083)刘国梁,王静松,孙伟,孙昊延,黄书友,薛庆国(北京科技大学冶金与生态工程学院,北京 100083)Zhang Hui(Collaboration Center for the Patent Examination,China's State Intellectual Property Office, Beijing 100190)张辉(国家知识产权局专利审查协作中心,北京100190)