Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Vladimir Levchenko"'
Autor:
Puyou Ying, Hanying Sun, Ping Zhang, Changhong Lin, Tao Yang, Jianbo Wu, Min Huang, Tianle Wang, Zhibiao Lian, Vladimir Levchenko
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 530-540 (2024)
In this study, a dense WS2 coating was deposited via high-power impulse magnetron sputtering (HiPIMS) after solving the glow discharge problem, and it was compared with WS2 coating deposited via radio frequency (RF) sputtering. The latter showed a co
Externí odkaz:
https://doaj.org/article/b233df5ee16c4299ba96dc26c97e13ba
Autor:
Fangdian Peng, Shidong Zhou, Tao Yang, Liwei Wu, Jianbo Wu, Puyou Ying, Ping Zhang, Changhong Lin, Yabo Fu, Zhibiao Tu, Tianle Wang, Xin Zhang, Nikolai Myshkin, Vladimir Levchenko
Publikováno v:
Lubricants, Vol 12, Iss 9, p 306 (2024)
The exploration of unleaded free-cutting Cu40Zn brass with excellent mechanical and tribological properties has always drawn the attention of researchers. Due to its attractive properties combining metals and ceramics, Ti3AlC2 was added to Cu40Zn bra
Externí odkaz:
https://doaj.org/article/7a185f32d5c94260b8af2710e9d8b8a8
Autor:
Tao Yang, Changhong Lin, Min Huang, Puyou Ying, Ping Zhang, Jianbo Wu, Tianle Wang, Alexander Kovalev, Nikolai Myshkin, Vladimir Levchenko
Publikováno v:
Polymers, Vol 16, Iss 14, p 2029 (2024)
With the background of the fossil fuel energy crisis, the development of self-healing and recyclable polymer materials has become a research hotspot. In this work, a kind of cross-linking agent with pendent furan groups was first prepared and then us
Externí odkaz:
https://doaj.org/article/cfa900372c5c42ccb96f3ad0ecf76d1d
Autor:
Christopher M. Wurster, Cassandra Rowe, Costijn Zwart, Dirk Sachse, Vladimir Levchenko, Michael I. Bird
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
Abstract Fire is an essential component of tropical savannas, driving key ecological feedbacks and functions. Indigenous manipulation of fire has been practiced for tens of millennia in Australian savannas, and there is a renewed interest in understa
Externí odkaz:
https://doaj.org/article/14f0f7154fa94427afa070cfb8be1b27
Autor:
Sergey Krichevsky, Vladimir Levchenko
Publikováno v:
Future Human Image, Vol 15, Pp 39-58 (2021)
In an interdisciplinary setting in philosophical, methodological and futurological discourses, the problems and prospects of life and evolution of modern human beings belonging to the species of Homo sapiens in natural and artificial biospheres on Ea
Externí odkaz:
https://doaj.org/article/544f35332cff43d88d064cb0f9216fa4
Autor:
Puyou Ying, Changhong Lin, Zhiyi Liu, Song Bai, Vladimir Levchenko, Ping Zhang, Jianbo Wu, Tao Yang, Min Huang, Gang Yang, Meng Liu, Mengjia Li
Publikováno v:
Metals, Vol 12, Iss 7, p 1208 (2022)
In the present work, different aging treatments were performed to investigate the pre-aging effect on the formation of Ω phase and mechanical properties in Al-Cu-Mg-Ag alloy. The results showed that pre-strain could inhibit the formation of Ω phase
Externí odkaz:
https://doaj.org/article/0305fc668bcf40878ee66fdb4b3a0242
Autor:
Puyou Ying, Ping Zhang, Jianbo Wu, Min Huang, Changhong Lin, Tianle Wang, Yihang Fang, Vladimir Levchenko
Publikováno v:
AIP Advances, Vol 10, Iss 10, Pp 105303-105303-8 (2020)
MoS2–TiL/MoS2–TiH coating (L and H are low and high power of the sputtered Ti target) possesses excellent tribological properties owing to its nano-multilayer structure. In this study, the tribological properties of MoS2–TiL/MoS2–TiH coating
Externí odkaz:
https://doaj.org/article/04162c0b1a8f4592b48d5c89716683f7
Publikováno v:
PLoS ONE, Vol 15, Iss 5, p e0232682 (2020)
The site of Shuidonggou Locality 2 offers important evidence for the Late Paleolithic sequence of north China. The site not only contains one of the earliest instances of ornamental freshwater shell and ostrich eggshell beads in the region, but also
Externí odkaz:
https://doaj.org/article/a81a7397d5fb4b0dbf14d2ce519c0689
Autor:
Vladimir Levchenko
Publikováno v:
Философия и космология, Vol 18, Pp 229-237 (2017)
In this short article, the co-author of Alexey V. Yablokov tells the story of acquaintance with him, about the features of the character of this outstanding scientist, moreover about how he worked with Yablokov the last few years. Fragments of discu
Externí odkaz:
https://doaj.org/article/e47cb9d5a2a946b6804a1834ca8e0d29
Publikováno v:
Философия и космология, Vol 18, Pp 52-84 (2017)
The evolution of the biosphere has led to creation of astrophysical and telluric stable perfect system biotic regulation, which based on a high degree of closure of natural cycles. The development of human beings as bio-social, beyond the biological
Externí odkaz:
https://doaj.org/article/21bb8620a6064b73afc742a984167191