Zobrazeno 1 - 10
of 1 539
pro vyhledávání: '"characteristic parameters"'
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 10, Pp 4773-4787 (2024)
Abstract The combustion cycle‐to‐cycle variations (CCV) are the typical combustion phenomena in the internal combustion engine, which will not only affect the combustion efficiency, heat‐work conversion process, and emission formation in the cy
Externí odkaz:
https://doaj.org/article/51ff0d8f7d05482ebb45f1239bc30b3d
Publikováno v:
应用气象学报, Vol 35, Iss 5, Pp 564-576 (2024)
Using multiple observations such as S-band radar (SPOL) in Shijiazhuang, X-band phased array radar (XPAR) in Xiong'an, and ground-based encrypted automatic stations, detection features and evolutions of EF2 tornado at Donglü Village, Qingyuan Distri
Externí odkaz:
https://doaj.org/article/6c4ee2fd3cea4f9b9437b8d8c1158049
Publikováno v:
Shipin yu jixie, Vol 40, Iss 7, Pp 30-36 (2024)
[Objective] In order to compare the ability of optical characteristic parameters [absorption coefficient （μa） and approximate scattering coefficient （μ′s）] to identify adulterated tea oil and to explore the enhancement effect of the combi
Externí odkaz:
https://doaj.org/article/bc4001e50ee24c4db7bb27cafb02241b
Autor:
Chen, Delin
Publikováno v:
Industrial Lubrication and Tribology, 2024, Vol. 76, Issue 4, pp. 464-473.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/ILT-12-2023-0389
Publikováno v:
Soils and Foundations, Vol 64, Iss 6, Pp 101530- (2024)
In order to examine the principles governing the variation of dynamic characteristic parameters, including the damping ratio, dynamic modulus, and frozen soil backbone curve, under different negative temperature conditions, silty clays sourced from t
Externí odkaz:
https://doaj.org/article/a3364c0f5297443293adc2afe3e15e6f
Autor:
Biao KONG, Jianhui ZHONG, Wei LU, Xiangming HU, Lin XIN, Bin ZHANG, Xiaolong ZHANG, Zedong ZHUANG
Publikováno v:
Meitan kexue jishu, Vol 51, Iss S2, Pp 84-91 (2023)
The early warning of coal spontaneous combustion is difficult to solve the perception of fire information. The acoustic emission (AE) signal generated by thermal damage and destruction on coal rock can perceive the temperature, and then issue a warni
Externí odkaz:
https://doaj.org/article/0274d33f6d3149979174f0bafed0a292
Publikováno v:
Materials, Vol 17, Iss 19, p 4867 (2024)
Ultra-high-strength steels have been considered an essential material for aviation components owing to their excellent mechanical properties and superior fatigue resistance. When machining these steels, severe tool wear frequently results in poor sur
Externí odkaz:
https://doaj.org/article/5ee57d8c036b4489a55da12bab2e82f6
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
A transformer inter-turn fault identification method is proposed based on the digital twin concept to tackle the challenges of high operational complexity and low accuracy associated with traditional transformer fault identification methods. Initiall
Externí odkaz:
https://doaj.org/article/60ccc9cc75f04a3899dd264db01dd124
Publikováno v:
Defence Technology, Vol 28, Iss , Pp 146-154 (2023)
Based on the scattering characteristic, the comparison of RCS (radar cross-section) at different positions of a target in the same direction of incidence can be obtained first by extruding or deleting part of the entity. A simulation method of aerial
Externí odkaz:
https://doaj.org/article/663162b26dff42a3829760d198ebc0d7
Publikováno v:
Mathematics, Vol 12, Iss 14, p 2253 (2024)
The warning of the potential faults occurring in the future in a sucker rod well can help technicians adjust production strategies in time. It is of great significance for safety during well production. In this paper, the key characteristic parameter
Externí odkaz:
https://doaj.org/article/55a9e83076f041d3a9d1b082a160c9d4