Zobrazeno 1 - 10
of 7 956
pro vyhledávání: '"Kalinin A."'
Publikováno v:
Vestnik MGTU, Vol 26, Iss 1, Pp 5-17 (2023)
A new type of prospects of gold mineralization in the Kola region is considered in the paper. The Mal'javr prospect is located in the south-western flank of the Uragubsky greenstone belt in biotite gneiss – the metamorphosed sedimentary rocks with
Externí odkaz:
https://doaj.org/article/1ef2f395733a412cb10f07071737726b
Publikováno v:
Vestnik MGTU, Vol 24, Iss 1, Pp 5-13 (2021)
Sm-Nd isochrone, drawn for rock-forming and sulfide minerals from the Ozernoe ore occurrence, indicates albitite age of 1,759 ± 11 Ma. It shows synchronous formation of albitite and sulfide mineralization, and fully corresponds to the earlier define
Externí odkaz:
https://doaj.org/article/8ee2da19bfa34ec8913956db0f4fd88f
Autor:
Kalinin A. A., Savchenko Y. E.
Publikováno v:
Vestnik MGTU, Vol 23, Iss 1, Pp 29-37 (2020)
Multiphase fine aggregates of galena, pyrrhotite, freibergite, pyrargyrite, diaphorite, fizelyite, uchucchacuaite, ullmanite, and some other minerals are found in the ores of the Oleninskoe gold deposit in the Kolmozero-Voronya greenstone belt (Kola
Externí odkaz:
https://doaj.org/article/cc6a015644a94b5d85aa2afbe7b64144
Publikováno v:
Problems of the Regional Energetics, Vol 41, Iss 1-2, Pp 95-106 (2019)
The aim of this article was to analyze the profitability of using a multi-motor electric drive instead of a single-motor electric drive in a city vehicle to ensure the reduction of the electrical energy losses. To achieve the goal a mathematical mode
Externí odkaz:
https://doaj.org/article/e5dc109634c6470589d7d929464f3ad1
Autor:
Kalinin A. A., Chernyavsky A. V.
Publikováno v:
Vestnik MGTU, Vol 21, Iss 1, Pp 26-36 (2018)
The present paper has been written on the base of petrographical, geochemical, and mineralogical study of massive sulfide ores and their host rocks from the Panarechenskaya tectonic-volcanic structure in the central part of the Imandra-Varzuga belt.
Externí odkaz:
https://doaj.org/article/82405db9948046ffab56360925f691f6
Autor:
Kalinin A. A., Savchenko Ye. E.
Publikováno v:
Vestnik MGTU, Vol 20, Iss 1/1, Pp 60-71 (2017)
Bismuth-silver mineralization attendant to gold mineralization in the Sergozerskoe gold occurrence has been studied in detail. Bi-Ag mineralization is connected with diorite porphyry dykes, which cut volcanic-sedimentary Lopian complexes of the Str
Externí odkaz:
https://doaj.org/article/33df2176103542da8702945ba40e378c
Publikováno v:
Vestnik MGTU, Vol 19, Iss 1/1, Pp 82-88 (2016)
Mineralogical and geochemical investigation of zircon from diorite porphyry from Sergozerskoe occurrence has been carried out. Study of morphology and inner structure of zircon crystals in back scattered electron rays as well as assaying for content
Externí odkaz:
https://doaj.org/article/ac8a128d1e03446a908c66ff18ac682d
Publikováno v:
E3S Web of Conferences, Vol 222, p 02009 (2020)
In these studies, it was found that seasons have a significant impact on the reproductive function of Large White boars. It was found that these indicators were the highest in winter, and the lowest in summer. Studies have also shown that the inclusi
Externí odkaz:
https://doaj.org/article/868b886041444ea281d37ebaa36c9838
Autor:
Serebryannikov A. V., Zinovev D. V., Kravchenko G. A., Kalinin A. G., Ilin D. V., Ilina L. A.
Publikováno v:
E3S Web of Conferences, Vol 124, p 01035 (2019)
There are numerous publicly available articles on digital substations, including those dedicated to current and voltage measurements, time synchronization, test systems development, principles of substation design, and other aspects of this topic. Bu
Externí odkaz:
https://doaj.org/article/f6af4989bca84d35b2e675d94ae4c924
Autor:
Kalinin, Arkadii A.1 (AUTHOR) a.kalinin@ksc.ru, Kudryashov, Nickolay M.1 (AUTHOR), Savchenko, Yevgeny E.1 (AUTHOR)
Publikováno v:
Minerals (2075-163X). Jun2024, Vol. 14 Issue 6, p535. 24p.