Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Shuai Cao"'
Publikováno v:
Aerospace, Vol 11, Iss 5, p 329 (2024)
The propulsion system, particularly electric propulsion, holds immense significance in the context of gravitational wave detection missions. One of the key factors of a deep space exploration mission is the lifetime of the electric propulsion. Ensuri
Externí odkaz:
https://doaj.org/article/63ee3a4d1bdd45488ea325fd85e8af36
Publikováno v:
Minerals, Vol 14, Iss 3, p 212 (2024)
In undercut-and-fill mining, backfills show weak tensile strength and poor ductility properties since they act as artificial pillars to support stope roofs. Hence, the enhancement of the stability of mining structures and backfills is a crucial requi
Externí odkaz:
https://doaj.org/article/f6d74dfcc345433cb0c662731614d184
Publikováno v:
Metals, Vol 13, Iss 9, p 1571 (2023)
Amorphous alloys show interesting mechanical properties as well as unique physical and chemical properties due to their atomic stacking structure. However, when partial crystallization occurs in amorphous alloys, it can impact the properties of the o
Externí odkaz:
https://doaj.org/article/e637466d66284be9ae21b44eaaab5028
Publikováno v:
Minerals, Vol 13, Iss 9, p 1135 (2023)
Cemented tailings backfill (CTB) is continually practiced in a large number of metallic mines for re-filling underground ore extraction areas. Re-filling these areas can boost the security of mining teams during construction. Hence, CTB’s durabilit
Externí odkaz:
https://doaj.org/article/05376ff169bf49758d7584f66774edc8
Publikováno v:
Minerals, Vol 13, Iss 2, p 142 (2023)
The mechanical strength properties of cemented tailings backfill are very important for the safe and environmentally friendly mining of mineral resources. To check the impact of polypropylene fiber on strength and microstructure of cementitious taili
Externí odkaz:
https://doaj.org/article/cbd3f17650e840a9bb45da8a54a86387
Publikováno v:
Materials, Vol 15, Iss 14, p 4987 (2022)
The grain boundary diffusion process (GBDP) of heavy rare earth Tb is an effective method to improve the coercivity of Nd-Fe-B magnets, and the matrix grain size has a crucial effect on the diffusion efficiency and depth of the Tb element. In this wo
Externí odkaz:
https://doaj.org/article/db79bb7b22b54ad19357511dcd7192b0
Publikováno v:
Minerals, Vol 12, Iss 6, p 709 (2022)
This study analyzes the stability and optimizes the parameters of the bottom structure in sublevel stoping with the delayed backfilling method, improves production efficiency, and increases the ore recovery ratio under the premise of ensuring safe pr
Externí odkaz:
https://doaj.org/article/092c53e7a2814109a57f5a33dc3bdcc8
Publikováno v:
Energies, Vol 15, Iss 3, p 768 (2022)
This paper describes a smart fault tackling strategy based on power flow transfer entropy (PFTE) for AC three-phase-to-ground (TPG) faults in the multi-terminal HVDC (MTDC) wind power integration system. The fault characteristics and transient energy
Externí odkaz:
https://doaj.org/article/e25112e857de43d4ab094a3a0edb8f8a
Publikováno v:
Minerals, Vol 12, Iss 1, p 6 (2021)
Using solid wastes (SWs) as backfilling material to fill underground mined-out areas (UMOAs) solved the environmental problems caused by SWs and reduced the backfilling cost. In this study, fly ash (FA), gypsum and steel slag (SS) were used to prepar
Externí odkaz:
https://doaj.org/article/2db3c9c6d0d3483286825d592b83a86f
Publikováno v:
Minerals, Vol 11, Iss 5, p 542 (2021)
As mining depth increases, the backfill mining method is more and more widely used in underground mines. The dynamic load generated by the blasting can affect the stability of the cemented tailings backfill (CTB). The CTB samples were prepared to con
Externí odkaz:
https://doaj.org/article/92476b24180e40df9bd1996ade5a303a