Haifeng Zhang

Sep 27, 2024 | mdpi.com | Xiang Li |Haifeng Zhang

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Sep 5, 2024 | mdpi.com | Xiang Li |Haifeng Zhang

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.

Jun 24, 2024 | mdpi.com | Ruiwang Sun |Qing Chen |Heng Dong |Haifeng Zhang

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.

Dec 5, 2023 | mdpi.com | Huan Wang |Haifeng Zhang |Lei Zhu |Yan Wang

1. IntroductionCyber-Physical Systems (CPSs) are a complex, tight integration of computer networks and physical systems that interact with each other. They are characterized by their large scale and high complexity. With the rapid development of computer network technology and the expanding reach of the Internet, an increasing number of enterprise and government services rely on the Internet to provide convenience in people’s lives and work.

Oct 17, 2023 | scholarsarchive.byu.edu | Haifeng Zhang |Thomas Fletcher |Brigham Young

KeywordsCoal, Secondary Pyrolysis, NitrogenOriginal Publication CitationZhang, H. and T. H. Fletcher, "Nitrogen Transformations during Secondary Coal Pyrolysis," Energy and Fuels, 15, 1512-1522 (2001). BYU ScholarsArchive Citation Zhang, Haifeng and Fletcher, Thomas H., "Nitrogen Transformations during Secondary Coal Pyrolysis" (2001). Faculty Publications. 7042. https://scholarsarchive.byu.edu/facpub/7042 Document TypePeer-Reviewed ArticlePublisherAmerican Chemical SocietyCollegeIra A.