{"best_oa_location":{"endpoint_id":null,"evidence":"deprecated","host_type":"publisher","is_best":true,"license":"cc-by","oa_date":"2025-03-24","pmh_id":null,"repository_institution":null,"updated":"deprecated","url":"https://www.mdpi.com/1996-1944/18/7/1431/pdf?version=1742812249","url_for_landing_page":"https://doi.org/10.3390/ma18071431","url_for_pdf":"https://www.mdpi.com/1996-1944/18/7/1431/pdf?version=1742812249","version":"publishedVersion"},"data_standard":2,"doi":"10.3390/ma18071431","doi_url":"https://doi.org/10.3390/ma18071431","first_oa_location":{"endpoint_id":null,"evidence":"deprecated","host_type":"publisher","is_best":true,"license":"cc-by","oa_date":"2025-03-24","pmh_id":null,"repository_institution":null,"updated":"deprecated","url":"https://www.mdpi.com/1996-1944/18/7/1431/pdf?version=1742812249","url_for_landing_page":"https://doi.org/10.3390/ma18071431","url_for_pdf":"https://www.mdpi.com/1996-1944/18/7/1431/pdf?version=1742812249","version":"publishedVersion"},"genre":"journal-article","has_repository_copy":true,"is_oa":true,"is_paratext":false,"journal_is_in_doaj":false,"journal_is_oa":true,"journal_issn_l":"1996-1944","journal_issns":"1996-1944","journal_name":"Materials","oa_locations":[{"endpoint_id":null,"evidence":"deprecated","host_type":"publisher","is_best":true,"license":"cc-by","oa_date":"2025-03-24","pmh_id":null,"repository_institution":null,"updated":"deprecated","url":"https://www.mdpi.com/1996-1944/18/7/1431/pdf?version=1742812249","url_for_landing_page":"https://doi.org/10.3390/ma18071431","url_for_pdf":"https://www.mdpi.com/1996-1944/18/7/1431/pdf?version=1742812249","version":"publishedVersion"},{"endpoint_id":"ac9de7698155b820de7","evidence":"deprecated","host_type":"repository","is_best":false,"license":"cc-by","oa_date":"2025-03-24","pmh_id":"oai:pubmedcentral.nih.gov:11989468","repository_institution":"National Institutes of Health","updated":"deprecated","url":"https://www.ncbi.nlm.nih.gov/pmc/articles/11989468","url_for_landing_page":"https://www.ncbi.nlm.nih.gov/pmc/articles/11989468","url_for_pdf":null,"version":"submittedVersion"}],"oa_locations_embargoed":[],"oa_status":"gold","published_date":"2025-03-24","publisher":"MDPI AG","title":"Optimization of 3D Printing Nozzle Structure and the Influence of Process Parameters on the Forming Performance of Underwater Concrete","updated":"2026-03-20T23:48:44Z","year":2025,"z_authors":[{"author_position":"first","is_corresponding":false,"raw_affiliation_strings":["School of Mechanical Engineering and Automation, Liaoning University of Technology, Jinzhou 121000, China"],"raw_author_name":"Kun Yang"},{"author_position":"middle","is_corresponding":true,"raw_affiliation_strings":["School of Mechanical Engineering and Automation, Liaoning University of Technology, Jinzhou 121000, China"],"raw_author_name":"Jingbo Yuan"},{"author_position":"middle","is_corresponding":false,"raw_affiliation_strings":["School of Mechanical Engineering and Automation, Liaoning University of Technology, Jinzhou 121000, China"],"raw_author_name":"Yibo Wang"},{"author_position":"middle","is_corresponding":false,"raw_affiliation_strings":["School of Mechanical Engineering and Automation, Liaoning University of Technology, Jinzhou 121000, China"],"raw_author_name":"Fan Yang"},{"author_position":"last","is_corresponding":false,"raw_affiliation_strings":["School of Energy and Power Engineering, Qilu University of Technology, Jinan 250316, China","School of Mechanical Engineering and Automation, Liaoning University of Technology, Jinzhou 121000, China"],"raw_author_name":"Changzai Ren"}]}