Zobrazeno 1 - 10
of 25 147
pro vyhledávání: '"Mass distribution"'
Fracture behavior and mechanism of highly fragmented steel cylindrical shell under explosive loading
Autor:
Kang Wang, Peng Chen, Xingyun Sun, Yufeng Liu, Jiayu Meng, Xiaoyuan Li, Xiongwei Zheng, Chuan Xiao
Publikováno v:
Defence Technology, Vol 36, Iss , Pp 122-132 (2024)
An in-depth understanding of the fracture behavior and mechanism of metallic shells under internal explosive loading can help develop material designs for warheads and regulate the quantity and mass distribution of the fragments formed. This study in
Externí odkaz:
https://doaj.org/article/182472c611d141fe931e47d670581c98
Publikováno v:
Geodesy and Geodynamics, Vol 15, Iss 3, Pp 264-275 (2024)
This paper utilizes the mathematical concept of approximation within an ellipsoid from a single viewpoint to present the spatial mass distribution function of the Earth's interior and its internal potential. The primary focus lies in constructing the
Externí odkaz:
https://doaj.org/article/bca731c66b7b42c38dde34c9441b9267
Publikováno v:
Yuanzineng kexue jishu, Vol 58, Iss 1, Pp 23-32 (2024)
Molten salt electrorefining is the core process unit of spent fuel dry reprocessing, and the chemical and electrochemical changes of high-temperature molten salt electrorefining process can be explored through mathematical model research, which can p
Externí odkaz:
https://doaj.org/article/81116fffb2f140c9bd40206494bd89e9
Publikováno v:
Frontiers in Endocrinology, Vol 15 (2024)
BackgroundThe contribution of total fat mass and regional fat distribution to the risk of AF has rarely been studied.MethodsThis prospective cohort study(N=494,063) evaluated the association of total fat mass measured by fat percentage (FP) and regio
Externí odkaz:
https://doaj.org/article/fa7126f38c744ecb90e8fcfbe1d0a159
Autor:
Yoshio Matsuki, Petro Bidyuk
Publikováno v:
Sistemnì Doslìdženâ ta Informacìjnì Tehnologìï, Iss 3, Pp 121-126 (2023)
This paper reports the result of an investigation of a hypothesis that the melting polar ice of Earth flowing down to the equatorial region causes volcano eruptions. We assumed a cube inside the spherical body of Earth, formulated a 3-dimensional ine
Externí odkaz:
https://doaj.org/article/441922f7f70344d0a75ab1dc86c87aca
Akademický článek
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Publikováno v:
Advanced Science, Vol 10, Iss 27, Pp n/a-n/a (2023)
Abstract Walnut shell is lightweight material with high‐strength and toughening characteristics, but it is different from other nut shells’ microstructure with two or three short sclerotic cell layers and long bundle fibers. It is essential to ex
Externí odkaz:
https://doaj.org/article/cba2427c7821496086d7805634f9b0a0
Publikováno v:
IEEE Access, Vol 11, Pp 136600-136608 (2023)
A variable frequency piezoelectric motor is studied, which can generate rotational motion under the excitation of variable-mode vibration response units. Two variable-mode vibration response units fixed in the inclined plane are excited by the square
Externí odkaz:
https://doaj.org/article/f861ecc9327b4e4290755fb11db9a2c6
Autor:
Xiaochun Xue, Yonggang Yu
Publikováno v:
Energy Science & Engineering, Vol 10, Iss 12, Pp 4782-4803 (2022)
Abstract Numerical studies were carried out to investigate the thermal performance of the muzzle flow with strong shock discontinuities and gas–gas heat transfer mechanism in the base bleed unit (BBU) of an aerodynamic vehicle under the combined ef
Externí odkaz:
https://doaj.org/article/7b061986249a43c5a40d050d8bbff1a5