Zobrazeno 1 - 10
of 655
pro vyhledávání: '"Mathematical relationship"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 10, Pp 1-8 (2024)
The diffusion models of coal containing methane have various forms, but the mathematical relationship between the models remains to be clarified. Twenty classical diffusion models of coal containing methane are studied, which are divided into convent
Externí odkaz:
https://doaj.org/article/9644bb4e18a0499e830000ae707e05a9
Publikováno v:
矿业科学学报, Vol 8, Iss 2, Pp 146-155 (2023)
Faults are an important factor inducing mine safety accidents, and it poses difficulties on the identification of faults within 5 m of drop.Taking the Liupanshui coalfield of Guizhou province as the study area, this paper investigated the coalfield s
Externí odkaz:
https://doaj.org/article/f8c498dd29164e5fb337e722bdcea221
Influence of normal stress on the shear strength of the structural plane considering the size effect
Autor:
Yuxi Huang, Gaojian Hu
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
The shear strength of a structural plane is a critical parameter in the analysis of engineering rock stability. Significant differences exist due to the various normal stresses in the structural plane. Therefore, evaluating the rock deformation to ef
Externí odkaz:
https://doaj.org/article/d5baa61559fe4322ad9b79dad36162da
Publikováno v:
工程科学学报, Vol 43, Iss 10, Pp 1269-1275 (2021)
Tailings thickening is an important process of paste filling technology. At present, a deep cone thickener is often used for tailings thickening. The sedimentation rate of tailings affects the solid flux of the deep cone thickener and determines the
Externí odkaz:
https://doaj.org/article/c997b533f18848a992f2cf9335223968
Publikováno v:
Journal of Magnesium and Alloys, Vol 9, Iss 5, Pp 1741-1752 (2021)
Based on the traditional two-layer accumulative roll bonding (TARB), the geometrical variations and mathematical relationship during the four-layer accumulative roll bonding (FARB) were derived and summarized. Furthermore, the multi-layer accumulativ
Externí odkaz:
https://doaj.org/article/9d1446f4d05d419086fb25bc6365b83e
Publikováno v:
Applied Sciences, Vol 13, Iss 2, p 993 (2023)
Toxic and harmful gases may follow evacuees into the mine refuge chamber, endangering their life during the mine disaster. Gases from the outside environment are successfully kept out of the mine refuge chamber by air curtains. The effect of the air
Externí odkaz:
https://doaj.org/article/90f97e08d06e4a5a819428d4dde0754b
Autor:
Peyman Ansari, Asif Ur Rehman, Fatih Pitir, Salih Veziroglu, Yogendra Kumar Mishra, Oral Cenk Aktas, Metin U. Salamci
Publikováno v:
Metals, Vol 11, Iss 7, p 1076 (2021)
The parameter sets used during the selective laser melting (SLM) process directly affect the final product through the resulting melt-pool temperature. Achieving the optimum set of parameters is usually done experimentally, which is a costly and time
Externí odkaz:
https://doaj.org/article/6a5f91d7176543df827a2885a20b24c4
Akademický článek
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Publikováno v:
Chinese Journal of Aeronautics. 35:47-61
Threaded fasteners naturally tend to loosen under vibration, impact, or alternating thermal load. Various anti-loosening methods or strategies are widely applied for preventing loosening, including a few anti-loosening designs and anti-loosening stru
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd73bb7703e8021b43ddef5fa9a3094e
https://doi.org/10.1016/j.cja.2020.12.038
https://doi.org/10.1016/j.cja.2020.12.038
Publikováno v:
Materials Today: Proceedings. 60:783-787
The effect of graphite content and material connected parameter on the wear behavior of Al hybrid composite was studied using factorial design. Wear tests were conducted by variable Gr content (5 and 10 wt%) at totally different sliding speeds (1.5 a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1600527ec4fb5e68ec246b6eabe424b
https://doi.org/10.1016/j.matpr.2021.09.198
https://doi.org/10.1016/j.matpr.2021.09.198