Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Qijun, LIU"'
Publikováno v:
地质科技通报, Vol 43, Iss 4, Pp 75-86 (2024)
Objective The prediction of abnormal formation pressure is a challenging issue in oil and gas development. With the continuous development of unconventional reservoirs such as shale gas and tight sandstone gas, the complexity of geopressure systems h
Externí odkaz:
https://doaj.org/article/5e5591273a284431b299182494260bc5
Publikováno v:
AIP Advances, Vol 14, Iss 7, Pp 075014-075014-11 (2024)
The outstanding performance of aluminized explosives is attributed to the substantial energy released through aluminum (Al) reactions during post-detonation flow. However, the influences of Al powder size on the explosion power of aluminized explosiv
Externí odkaz:
https://doaj.org/article/8eb73d12a93747478fa587f46e879069
Autor:
Hongliang Kang, Xue Yang, Wenshuo Yuan, Lei Yang, Xinghan Li, Fusheng Liu, Zhengtang Liu, Qijun Liu
Publikováno v:
Defence Technology, Vol 33, Iss , Pp 613-620 (2024)
By combination of the transient Raman spectroscopic measurement and the density functional theoretical calculations, the structural evolution and stability of TATB under shock compression was investigated. Due to the improvement in synchronization co
Externí odkaz:
https://doaj.org/article/4bf06a7cd7dd44b4b1a78af3c6d96c9f
Publikováno v:
Defence Technology, Vol 31, Iss , Pp 158-162 (2024)
As an energetic material of great interest, the work capacity of dihydroxylammonium 5,5′-bistetrazole-1,1′-diolate (TKX-50) has been questioned recently. Although some research groups have explored the reasons for the low working ability of TKX-5
Externí odkaz:
https://doaj.org/article/396ef342631745a399b57c426ff80e13
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 3474-3483 (2022)
Ethylenediamine bisborane (EDAB), as a hydrogen storage material, is one of the most promising possible candidates. This work reports the effects of pressure on the structural, mechanical, electronic, and vibrational behaviors of EDAB using density f
Externí odkaz:
https://doaj.org/article/b8086e8cf0004b3298e01cfb4335c16f
Publikováno v:
BMC Medical Education, Vol 22, Iss 1, Pp 1-11 (2022)
Abstract Background Aimed to corroborate students' and faculty's experiences with e-learning during the current pandemic. Methods A cross-sectional study was conducted from February to June 2020. Seven surveys were distributed electronically to all u
Externí odkaz:
https://doaj.org/article/e4857cc085df443ab3700e9ce071bf67
Publikováno v:
In World Development September 2020 133
Publikováno v:
Crystals, Vol 13, Iss 1, p 43 (2022)
Nanostructured Cu–Ni alloys have become the focus of public attention due to their better corrosion resistance and high hardness in experimental measurements. First-principles calculation based on the density functional theory (DFT) has been confir
Externí odkaz:
https://doaj.org/article/7a640a161efb4e7e9c6d87b00550c3a0
Publikováno v:
Applied Sciences, Vol 12, Iss 17, p 8846 (2022)
Blended learning (BL) reform is one of the vital methods to improve the teaching quality of institutions in the intelligent education era. However, institutions are always faced with many obstacles (instructors’ reluctance/inability to change, etc.
Externí odkaz:
https://doaj.org/article/55d808445f4d4905b67cb10e55e4a68c
Autor:
Zhanshan Ma, Qijun Liu, Chuanfeng Zhao, Zhe Li, Xiaolin Wu, Jiong Chen, Fei Yu, Jian Sun, Xueshun Shen
Publikováno v:
Atmosphere, Vol 13, Iss 7, p 1133 (2022)
The water vapor-related microphysical processes (WVRMPs) in cloud microphysics schemes are crucial to the formation and dissipation of clouds, which have a significant impact on the quantitative precipitation forecasting of numerical weather predicti
Externí odkaz:
https://doaj.org/article/f52d0df443094c3d8e8e1a2bf883d761