Xiang Ji

1 week ago | cell.com | Jonathan Pekar |Spyros Lytras |Mahan Ghafari |Andrew Magee |Edyth Parker |Yu Wang | +13 more

Keywords molecular epidemiology sarbecoviruses virus evolution phylogeography Introduction Horseshoe bats (Rhinolophus spp.) are the main hosts of the Sarbecovirus subgenus1 (genus Betacoronavirus, family Coronaviridae) and, likely via virus transmission through transient intermediate species, were the source of SARS-CoV (referred to hereafter as SARS-CoV-1, now extinct) and SARS-CoV-2.2,3,4 Since the first emergence of SARS-CoV-1 in Guangzhou, Guangdong Province, in 2002 and SARS-CoV-2...

Oct 7, 2024 | rairo-ro.org | Jie Wu |Wei Wang |Mingjun Li |Xiang Ji

RAIRO-Oper. Res. 58 (2024) 4035–4067Agency or reselling: optimal return policy in E-commerce retail systems under cap-and-trade regulation, , * and School of Management, University of Science and Technology of China, Hefei, Anhui Province 230026, P.R. China * Corresponding author: [email protected]: 25 April 2023Accepted: 7 July 2024AbstractIn recent years, the government has issued regulations on environmental protection, carbon emissions, and trading.

Jul 29, 2024 | mdpi.com | Wei Qing Wang |Zhijian Li |Xiang Ji |Yun Wang

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

Jul 18, 2024 | mdpi.com | Han Wang |Xiang Ji |Lei Jin |Yujiao Ji

1. IntroductionWith the rapid improvement in economic levels and the swift development of intelligent devices, smartphones are gradually becoming an indispensable part of people’s daily lives. Smartphones have brought convenience to people while also triggering a series of social issues. In particular, smartphones are increasingly encroaching on people’s fragmented time, with more and more individuals becoming addicted to mobile entertainment activities [1].

Jul 15, 2024 | mdpi.com | Xi ZHOU |Guohua Ji |Feng Wang |Xiang Ji

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.