Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Nikiforov Aleksandr"'
Publikováno v:
E3S Web of Conferences, Vol 263, p 04041 (2021)
The issues of saving energy resources are of particular relevance for the regions of Russia with an extremely cold climate. The increased air pressure difference in winter and the presence of volumetric cold bridges in the form of pile and column gri
Externí odkaz:
https://doaj.org/article/7064dfcba8ea44ce89bf33af461fbecc
Publikováno v:
E3S Web of Conferences, Vol 311, p 05002 (2021)
The article is devoted to the analysis of the current state of the Russian energy sector in the context of the gradual reform of the industry. The authors focused their attention on topical issues of energy efficiency and energy saving, using the met
Externí odkaz:
https://doaj.org/article/aa8c070c6a644ccf9e3e33a3fd1747e8
Autor:
Nikiforov Aleksandr, Kuchumov Aleksei, Terentev Sergei, Karamulina Inessa, Romanova Iraida, Glushakov Sergei
Publikováno v:
E3S Web of Conferences, Vol 161, p 01031 (2020)
In the work based on agroecological and technological testing of varieties of grain crops of domestic and foreign breeding, winter triticale in particular, conducted on the experimental field of the Smolensk State Agricultural Academy between 2015 an
Externí odkaz:
https://doaj.org/article/a59ba04717584d3b8bcaaf314d2c5a10
Autor:
Borovkov Aleksey, Voinov Igor, Galerkin Yuri, Nikiforov Aleksandr, Nikitin Maksim, Solovyeva Olga, Kabalyk Kirill
Publikováno v:
E3S Web of Conferences, Vol 140, p 06003 (2019)
The paper presents the results of CFD-calculations of a centrifugal compressor stage with a high-pressure 3D impeller and a vaneless diffuser. The stage was designed by Prof. A. M. Simonov in the Problem Laboratory of Compressor LPI according to the
Externí odkaz:
https://doaj.org/article/773e929c22984f30aec04e524ce6df6d
Publikováno v:
E3S Web of Conferences, Vol 140, p 05003 (2019)
The paper presents the results of mathematical simulation of the characteristics of a vane diffuser of a centrifugal compressor intermediate stage, such as the loss coefficient and the deviation angle versus the outlet vane angle of the diffuser. The
Externí odkaz:
https://doaj.org/article/db456f1fbc094d8295614e85547aab3f
Autor:
Nikiforov, Aleksandr1, Prikhodko, Yevgeniy1, Kucherbayev, Murat1, Kinzhibekova, Akmaral1, Karmanov, Amangeldy1, Uakhit, Nauryzbay1 nauryzmc@gmail.com
Publikováno v:
EUREKA: Physics & Engineering. 2024, Issue 5, p125-135. 11p.
Publikováno v:
Nanoscale Research Letters, Vol 6, Iss 1, p 208 (2011)
Abstract We perform an electroreflectance spectroscopy of Ge/Si self-assembled quantum dots in the near-infrared and in the mid-infrared spectral range. Up to three optical transitions are observed. The low-energy resonance is proposed to correspond
Externí odkaz:
https://doaj.org/article/d523cba8136c4577bd7325109489f85a
Autor:
Yu Ing-Song, Cheng Henry, Mashanov Vladimir, Ulyanov Vladimir, Timofeev Vyacheslav, Nikiforov Aleksandr, Pchelyakov Oleg
Publikováno v:
Nanoscale Research Letters, Vol 6, Iss 1, p 85 (2011)
Abstract The surface morphology of Ge0.96Sn0.04/Si(100) heterostructures grown at temperatures from 250 to 450°C by atomic force microscopy (AFM) and scanning tunnel microscopy (STM) ex situ has been studied. The statistical data for the density of
Externí odkaz:
https://doaj.org/article/e6d565c8340b466984253c9c7bf5c41c