Zobrazeno 1 - 10
of 652
pro vyhledávání: '"ray method"'
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 280, Iss , Pp 116581- (2024)
Screening and prioritizing research on frequently detected mixture systems in the environment is of great significance, as conducting toxicity testing on all mixtures is impractical. Therefore, the frequent itemset mining (FIM) was introduced and app
Externí odkaz:
https://doaj.org/article/15cbdd651c374720b790682788db5e98
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 1, Pp 42-48, 65 (2024)
Applying electromagnetic waves to coal rock recognition can effectively improve the resolution capability of coal rock interfaces. Based on the coal rock interface model, the principle of using electromagnetic wave technology for coal rock recognitio
Externí odkaz:
https://doaj.org/article/5e5f5267e4294e468c2f43c0fe42bc5d
Publikováno v:
Ceramics-Silikáty, Vol 67, Iss 3, Pp 387-402 (2023)
The aim of the present work was to study and identify the causes and sources of defects in the glazes and decorations of archaeological ceramics containing a calcium component. As part of systematic archaeological research in the Hradcany area, sever
Externí odkaz:
https://doaj.org/article/135ba7faf0064b479f9805e995679ba3
Publikováno v:
Aerospace, Vol 11, Iss 10, p 796 (2024)
The growing demand for stealth technology in military and aerospace applications has driven the development of advanced radar-absorbing structures. In particular, honeycomb absorbing structures (HASs) have shown promise due to their unique properties
Externí odkaz:
https://doaj.org/article/b8e67c8f238145359d3d5c1afac6d42c
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 18, Iss 4, Pp 111-118 (2023)
Objective When calculating the electromagnetic scattering characteristics of curved targets using the shooting and bouncing ray (SBR) method, there is a large error in the calculation of the wavefront of the ray tube and ray tracing if the surface is
Externí odkaz:
https://doaj.org/article/ed5c3d7cea394795b23118e5772a6f99
Autor:
Nikolay N. Shilov, Anton A. Duchkov
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 4, p 636 (2024)
The parabolic wave equation describes wave propagation in a preferable direction, which is usually horizontal in underwater acoustics and vertical in seismic applications. For dense receiver arrays (receiver spacing is less than signal wavelength), t
Externí odkaz:
https://doaj.org/article/ccd65190c58842a8b13825ecae757232
Autor:
Jasim Haider Hadi
Publikováno v:
Vietnam Journal of Science, Technology and Engineering, Vol 65, Iss 4 (2023)
Residual stresses play a significant role in the properties and performance of epoxy-based coatings, with their origins rooted in various factors encountered during production and application. This study focuses on quantifying residual stresses in th
Externí odkaz:
https://doaj.org/article/addcfbc535df4eae9e5629d6d22f4d11
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