Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Fengyuan Qin"'
Publikováno v:
Journal of Traditional Chinese Medical Sciences, Vol 10, Iss 1, Pp 52-57 (2023)
Objective: To use three-dimensional (3D) printing technology to prepare Dashanzha Wan. Methods: The standard formula proportion of Dashanzha Wan was used to prepare printable materials (normally called the ink) for 3D printing, and different doses an
Externí odkaz:
https://doaj.org/article/53e7ae05ef814f5e909acda5437859c1
Publikováno v:
Arabian Journal of Geosciences. 14
The permeability coefficient of coal seam is a key parameter for assessing the performance of underground coal bed methane extraction. First, compared with the widely accepted radial flow method, the related error range can be achieved by adapting th