Association of serum 25-Hydroxyvitamin D with Vitamin D intervention and outdoor activity among children in North China: an observational study

Autor: Xuguang Zhang, Yanping Chen, Shanshan Jin, Xinxin Bi, Dongkai Chen, Dongmei Zhang, Li Liu, Hong Jing, Lixin Na

Publikováno v: BMC Pediatrics, Vol 20, Iss 1, Pp 1-10 (2020)

Abstract Background Living at high latitudes is one of the risk factors for vitamin D deficiency in children. However, evidence on vitamin D improvement for this pediatric population to date is limited. This study aims at evaluating the association o

Externí odkaz: https://doaj.org/article/0e1e6931adeb4c50bdd108ac8090de9f

Aeration Biofilter Filler Screening and Experimental Research on Nitrogen and Phosphorus Purification in Rural Black Water

Autor: Peizhen Chen, Dongkai Chen, Wenjie Zhao, Xiangqun Zheng

Publikováno v: Water, Vol 14, Iss 6, p 957 (2022)

In rural toilets, black water still remains polluted by nitrogen and phosphorus after being pre-treated by septic tanks. This study uses aerated biofilters to purify black water, screen the biofilter filler, and determine its effect on nitrogen and p

Externí odkaz: https://doaj.org/article/0e43d018b95348c2b3b004ed51408ecb

A Novel Review Helpfulness Measure Based on the User-Review-Item Paradigm.

Autor: PAJOLA, LUCA, DONGKAI CHEN, CONTI, MAURO, SUBRAHMANIAN, V. S.

Publikováno v: ACM Transactions on the Web; Nov2023, Vol. 17 Issue 4, p1-31, 31p

Using Word Embeddings to Deter Intellectual Property Theft through Automated Generation of Fake Documents

Autor: V. S. Subrahmanian, Dongkai Chen, Almas Abdibayev, Haipeng Chen, Deepti Poluru

Publikováno v: ACM Transactions on Management Information Systems. 12:1-22

Theft of intellectual property is a growing problem—one that is exacerbated by the fact that a successful compromise of an enterprise might only become known months after the hack. A recent solution called FORGE addresses this problem by automatica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::94283df9602aeff5cf40ee8dc98d99ee
https://doi.org/10.1145/3418289

Enhanced Denitrification of Integrated Sewage Treatment System by Supplementing Denitrifying Carbon Source

Autor: Peizhen Chen, Wei Xiaocheng, Wang Qiang, Cheng Weimin, Xiangqun Zheng, Dongkai Chen

Publikováno v: International Journal of Environmental Research and Public Health
Volume 18
Issue 18
International Journal of Environmental Research and Public Health, Vol 18, Iss 9569, p 9569 (2021)

Integrated sewage treatment system (ISTY) is a new technology for rural domestic sewage treatment. In the ISTY, the carbon source in the denitrification stage is often insufficient, affecting the denitrification efficiency. In order to improve the de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f619b817d11e04992a646d2a0cc3016f
http://europepmc.org/articles/PMC8470696