Yuan Xu

1 month ago | mdpi.com | Yuan Xu |Yun Li |JianMin Zhang

1. IntroductionRivers, integral to the hydrological cycle, serve as primary conduits for water resources and sustain most biologically diverse freshwater ecosystems on Earth []. These complex systems encompass intricate interactions among microorganisms, flora, fauna, and their habitats while simultaneously providing crucial ecological services [].

Nov 28, 2024 | mdpi.com | Ning Wu |Rongrong He |Yuan Xu |Chunwei Jin

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Nov 21, 2024 | mdpi.com | Yuan Xu |Fan Li |Yingyao Luo |Zhijiong 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.

Nov 5, 2024 | bmjopen.bmj.com | Ning Zhang |Yuan Xu |Li Zhu |Yu Wang

DiscussionTo the best of our knowledge, this is the first systematic quality appraisal of CPGs for PICC-related thrombosis prevention in patients, with recognition of nine guidelines. Overall, the quality of all incorporated guidelines was deemed acceptable, evaluated as either 'recommended' or 'recommended with modifications’.

May 13, 2024 | onlinelibrary.wiley.com | Yuan Xu

REFERENCES 1, , . Three term recurrence for the evaluation of multivariate orthogonal polynomials. J Approx Theory. 2010; 162: 407-420. 2, . Orthogonal Polynomials of Several Variables. Encyclopedia of Mathematics and Its Applications 155, Cambridge University Press; 2014. 3, . A Stieltjes algorithm for generating multivariate orthogonal polynomials. SIAM J Sci Comput. 2023; 45: A1125-A1147. 4, , . Fast algorithms using orthogonal polynomials. Acta Numer. 29; 573-699. 5, .