Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Weiji Dong"'
Publikováno v:
Meikuang Anquan, Vol 54, Iss 8, Pp 12-17 (2023)
In order to explore the anisotropic permeability of raw coal under low stress, taking the coal samples of Zhangcun Coal Mine, Tingnan Coal Mine and Xinjing Coal Mine as the research objects, using the improved triaxial seepage test device, the permea
Externí odkaz:
https://doaj.org/article/62f0174c464d4e3480295de75a0446dc
Publikováno v:
Meikuang Anquan, Vol 54, Iss 6, Pp 11-17 (2023)
In order to describe the permeability evolution law in the coupling process of anisotropic coal seam and gas, based on the assumption that the coal structure is orthogonal anisotropic, the orthogonal anisotropic permeability model was established by
Externí odkaz:
https://doaj.org/article/8d73f2d2f0384b3db0b90d4169a4485d
Publikováno v:
American Journal of Orthodontics and Dentofacial Orthopedics. 157:651-661
Introduction This study aimed to evaluate and compare the skeletal effects of monocortical and bicortical mini-implant anchorage on maxillary skeletal expansion (MSE) using cone-beam computed tomography in young adults. Methods The sample comprised 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab4dd50bf702eb92cb73f7b6dde5b100
https://doi.org/10.1016/j.ajodo.2019.05.021
https://doi.org/10.1016/j.ajodo.2019.05.021