Zobrazeno 1 - 10
of 94
pro vyhledávání: '"ZhenHua Yao"'
Publikováno v:
Meitan xuebao, Vol 49, Iss 3, Pp 1303-1317 (2024)
The deep coal mining in China is becoming more and more complicated. Under the influence of mining, structure or hard roof and floor, the section coal pillar is easy to induce coal pillar type rock burst. The prevention and control of coal pillar typ
Externí odkaz:
https://doaj.org/article/83a53de7ca2647ee99f004a71c3e23e5
Publikováno v:
Frontiers in Pediatrics, Vol 12 (2024)
BackgroundShort sleep duration has been related to obesity in children and adolescents. However, it remains unknown whether late bedtime is also associated with obesity and whether the association is independent of sleep duration. A meta-analysis was
Externí odkaz:
https://doaj.org/article/b8f04871dea34cafa4821f0ce9158e50
Publikováno v:
Lithosphere, Vol 2022, Iss Special 10 (2022)
AbstractCoal burst proneness of coal mass is a leading factor of coal burst which is influenced by fissures. In this paper, the elastic strain energy (ESE) and residual energy index (REI) were used as coal burst proneness indicators. The calibrated P
Externí odkaz:
https://doaj.org/article/049459d323a347e4a137e22eb2cff71f
Publikováno v:
Frontiers in Energy Research, Vol 10 (2022)
Externí odkaz:
https://doaj.org/article/4f2658a2cd724bc993fdf34bb7f3c055
Publikováno v:
Fire, Vol 6, Iss 3, p 106 (2023)
Metastable intermolecular composites (MICs) based on Al/PVDF have become one of the most important materials in the field of additive manufacturing of energetic materials due to their high energy density and designability. In this work, the energy ut
Externí odkaz:
https://doaj.org/article/cce80722929c459a90c53228c3c08f9a
Publikováno v:
Lithosphere, Vol 2022, Iss Special 11 (2022)
AbstractIn multiple-seam mining, severe deformation of roadways and coal bursts caused by overlying coal pillars can occur in the lower seams. Overburden movement and ground pressure behaviour when mining thick seam below the strong roof and upper fo
Externí odkaz:
https://doaj.org/article/089acbcd9b8c42e0aba477e9c1cfd794
Publikováno v:
Metals, Vol 12, Iss 12, p 2016 (2022)
Hot forging dies play an important role in metallurgy, automotive, aerospace and weapons industries. However, due to the high temperature and high pressure of hot forging die and the working environment of cyclic load, the friction and wear performan
Externí odkaz:
https://doaj.org/article/562b07eb8a214cafb09a90cd1dc5ff2e
Publikováno v:
Materials, Vol 15, Iss 6, p 2080 (2022)
The microstructure and mechanical properties of Ti(C,N)-based cermets with the addition of the SiC particles (SiCp) and SiC whiskers (SiCw), were systematically studied in this work. Firstly, the effect of SiCp on the cermets was investigated indepen
Externí odkaz:
https://doaj.org/article/20d20dd8f27d4df5994e1e92cbc99471
Publikováno v:
Metals, Vol 12, Iss 1, p 155 (2022)
High density of thermally stable Y-Si-O nanoparticles dispersed in the Fe matrix play a primary role in oxide dispersion strengthened (ODS) steel. In this study, the binding energies of solutes Y, O and Si with vacancies have been calculated in the f
Externí odkaz:
https://doaj.org/article/d1861e114b874cdf8f1a43b61fe6a145
Autor:
El Mostafa Benchafia, Zhenhua Yao, Gu Yuan, Tsengmin Chou, Hong Piao, Xianqin Wang, Zafar Iqbal
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-6 (2017)
Polymeric phases of nitrogen are promising as environmentally-friendly, high energy-density materials, but are inherently unstable. Here, the authors report the synthesis and stabilization of polymeric nitrogen in its cubic gauche phase under near-am
Externí odkaz:
https://doaj.org/article/b59219d8ecfa4f499b56191d33e462a8