The PM2.5 measures the density of particulate matter in air and is often used to determine smog severity.
The New York Times reported on Friday that Ma would retire from the e-commerce company on Monday as the former English teacher seeks to focus on philanthropy in education.
The Mombasa-Nairobi Standard Gauge Railway built and operated by China Road and Bridge Cooperation (CRBC), a subsidiary of China Communications Construction Company (CCCC), on Thursday marked its first passenger service anniversary since its launch in May 31, 2017.
The National Organization for Women, whose political action committee endorsed Warren earlier in the past week, encouraged Warren to take her time. In an interview, NOW President Toni Van Pelt urged Warren not to endorse Sanders.
The National Basketball Association suspended its season after a Utah Jazz player tested positive for coronavirus.
The Ministry of Industry and Information Technology issued the licenses for 213 enterprises, with a total of 324 business operating permits, while 53 enterprises in the Shanghai Free Trade Zone got approval from the Shanghai Communications Administration, with 61 business permits.
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The Oxford Institute of the Chinese Academy of Medical Sciences was established in the University of Oxford. This is the first time in its 800 years history that Oxford has a foreign university to set up a research unit on its campus. And it is the only one of its kind.
The PBOC also said it will optimize financing and credit structure by promoting direct financing.
The PLA has its own approval process for "military specifically-needed drugs", and approved the military use of the candidate developed by its research unit and CanSino last month.
The Ministry of Science and Technology has announced China's leading insurer Ping An Insurance Group Co received approval to build a national-level innovation platform.