Zobrazeno 1 - 8
of 8
pro vyhledávání: '"G. A. Chepurin"'
Publikováno v:
Nonlinear Processes in Geophysics, Vol 20, Iss 6, Pp 1031-1046 (2013)
The most widely used methods of data assimilation in large-scale oceanography, such as the Simple Ocean Data Assimilation (SODA) algorithm, specify the background error covariances and thus are unable to refine the weights in the assimilation as the
Externí odkaz:
https://doaj.org/article/91528aae64ab448ebd2f101b277341ae
Autor:
G. E. Chepurin, N. M. Ivanov
Publikováno v:
Сельскохозяйственные машины и технологии, Vol 0, Iss 4, Pp 25-31 (2016)
Dynamics of grain crops productivity in the main grain growing regions of Siberian Federal District is presented. Major factors shoud be considered at justification of a class of combine harvesters for their effective operation in various climatic an
Externí odkaz:
https://doaj.org/article/a53583af260942839cc6c14945921a4f
Autor:
G. E. Chepurin
Publikováno v:
Siberian Herald of Agricultural Science. 50:83-93
The paper presents the analysis results of the methods applied to comparative tests of combine harvesters for threshing grain crops in various climatic zones of Russia. In the USSR, in accordance with the current GOSTs, machine testing stations carri
Autor:
G. E. Chepurin
Publikováno v:
Siberian Herald of Agricultural Science. 49:76-85
The work presents the results of the analysis of combine harvesters’ classifi cation systems applied in the former USSR, the Russian Federation and the CIS countries, as well as in the USA and Argentina. The expediency of their application is show
Autor:
G. E. Chepurin, A. P. Tsegelnik
Publikováno v:
Siberian Herald of Agricultural Science. 49:85-93
The paper presents substantiation of the rational use of combine harvesters’nominal throughput when threshing grain crops with the yield ranging from 0.8 to 5.0 t/ha and over. The main factors that determine nominal throughput of combine harvesters
Autor:
A. P. Tsegelnik, G. E. Chepurin
Publikováno v:
Siberian Herald of Agricultural Science. 48:50-57
The work describes how parameters of grain crop stalk mass, combine harvester speed, coverage of swath headers and fi eld size infl uence the actual throughput of a grain harvester and the feasibility of its nominal throughput at threshing. The nomin
Publikováno v:
Chemical and Petroleum Engineering. 31:659-663
Autor:
G. A. Chepurin, G. K. Korotaev
Publikováno v:
Soviet Journal of Physical Oceanography. 2:329-340
A spatial-temporal analysis of the density field in the large-scale hydrological observation areas in the Tropical Atlantic is carried out. The spectral maximum corresponding to the first baroclinic mode of the planetary Rossby wave is discriminated