Zobrazeno 1 - 10
of 2 252
pro vyhledávání: '"phase method"'
Autor:
CHEN Yuanqian
Publikováno v:
Youqi dizhi yu caishoulu, Vol 31, Iss 6, Pp 89-95 (2024)
For the new gas well with a closed boundary， the pressure drawdown curve testing was carried out after it operated at a stable production rate. Theoretically， the pressure drawdown curve can be divided into an unsteady state stage， a transit st
Externí odkaz:
https://doaj.org/article/b9573c0ad7fc47559bd796b281f1f5a7
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 27, Iss 2, Pp 49-57 (2024)
Introduction. Radar stations for surveillance of airborne objects operating in the shortwave range are characterized by a number of limited technical characteristics, one of which is the azimuth viewing sector. The use of a linear antenna array (AR)
Externí odkaz:
https://doaj.org/article/a8b6c721630742e1b730eaf090ce7440
Autor:
G. I. Kriven, D. S. Shavelkin
Publikováno v:
Учёные записки Казанского университета. Серия Физико-математические науки, Vol 165, Iss 4, Pp 344-360 (2024)
This article examines the critical compressive stresses required for a modified fiber composite to remain straight while the fibers within it bend. It was assumed that the modified composite consists of three phases: fiber, whiskerized interfacial la
Externí odkaz:
https://doaj.org/article/ca2e534c2bc94e3ea3b1672ee18d8aad
Publikováno v:
Youqi dizhi yu caishoulu, Vol 31, Iss 1, Pp 72-77 (2024)
For the gas flow controlled by the closed boun&dary， after the completion of gas testing and shut-in to obtain the original formation pressure， the pressure draw down curves can be divided into three stages： unsteady state， transit state and
Externí odkaz:
https://doaj.org/article/3dab37e42259403f9a4fb1b87e113dad
Publikováno v:
شیمی کاربردی روز, Vol 18, Iss 67, Pp 195-210 (2023)
In this paper, a biocomposite was prepared by liquid phase method using 58S bioactive glass, high molecular weight chitosan and 13X zeolite. Physical characterization of the sample was performed using FT-IR, XRD, FE-SEM and EDX analysis. Results of F
Externí odkaz:
https://doaj.org/article/aedf2771caa94a219abda9a4d136a505
Publikováno v:
Leida xuebao, Vol 12, Iss 3, Pp 500-515 (2023)
Compared with single-radar systems, spatially separated networked radar usually has better detection performance due to its advantages of spatial and frequency diversities. Most of the current fusion detection methods based on networked radar systems
Externí odkaz:
https://doaj.org/article/b36fcdf854c64e0683c00a87f54b2570
Publikováno v:
Frontiers in Chemistry, Vol 11 (2023)
Externí odkaz:
https://doaj.org/article/311ffc15717244f490e8cbe864de663f
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 26, Iss 1, Pp 49-57 (2023)
Calculation of the electromagnetic field exited by a charged particle flying close to dielectric object is one of the important problems of charged particle radiation theory. In some cases, geometric optics area is preferable for calculations. In the
Externí odkaz:
https://doaj.org/article/8f6643136a2c47599f6e89c426d1ac2b
Publikováno v:
Nanophotonics, Vol 12, Iss 1, Pp 155-163 (2023)
Generating 2D diffraction orders with uniform or tailored intensity distribution is highly desired for various applications including depth perception, parallel laser fabrication and optical tweezer. However, previous strategies lack the abilities to
Externí odkaz:
https://doaj.org/article/f597baf1121e4c17b987d870886d4c09
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