Results 41 to 50 of about 222,363 (302)

OPERATION EXPERIENCE OF CENTRIFUGAL SINGLE-STAGE PUMPS IN «ALROSA» JOINT STOCK COMPANY

open access: yesJournal of Mining Institute, 2019
When mining diamond-bearing raw materials and further extracting diamonds from it in the joint-stock company ALROSA, which is a city-forming enterprise in the north-east of the Russian Federation, various pumping equipment is used, in particular ...
N. Ovchinnikov
semanticscholar   +1 more source

The Features of Capital Management in Joint Stock Companies

open access: yesBusiness Inform, 2021
The article is concerned with studying of the features of capital management in joint stock companies. The concept of joint stock capital as an economic category is considered.
O. Kvasha
semanticscholar   +1 more source

Dynamic effect on turnouts of cars having wheelsets with thin flanges

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2020
Geometrical parameters of the “wheelset—rail track” system are mutually related. Currently, a very topical issue is the question of a possible adjustment of the regulatory framework in the “wheelset—rail track” system in order to take into account the ...
B. E. Glyuzberg   +5 more
doaj   +1 more source

Determination of spacecraft antenna directivity pattern with the use of an Earth-based station

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2018
The problem of defining characteristics of the spacecraft antenna directivity pattern is considered in the paper. The solution of the problem will make it possible to estimate changes of antenna parameters with time.
O. V. Vasyutkina   +4 more
doaj   +1 more source

Application of additive technology of selective laser melting (SLM) in designing a low emission combustion chamber of a gas turbine plant

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2019
The paper deals with the questions of introducing the additive technology of selective laser melting (SLM) into the production of the main structural elements of a combustion chamber for ground-based gas pumping, power and transport gas turbines.
Yu. S. Yeliseev   +6 more
doaj   +1 more source

The History of Joint-Stock Companies in the Second Polish Republic as Exemplified by Wspólnota Interesów Górniczo–Hutniczych SA (Mining and Metallurgy Community of Interests Joint Stock Company)

open access: yesStudia Historiae Oeconomicae, 2018
The article focuses on problems related to capital in Katowicka Spółka Akcyjna dla Górnictwa i Hutnictwa SA (Katowice Mining and Metallurgy Joint Stock Company) and Górnośląskie Zjednoczone Huty “Królewska” i “Laura” (Upper Silesian United Metallurgical ...
Mariusz W. Majewski
semanticscholar   +1 more source

Determination of the possibility of increasing the between-repair standards of hopper cars (cement carriers)

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2017
In view of gradual changes in the conditions of This article presents the main results of the analytical work maintenance, extensiveness and intensity of the use of freight cars aimed at determining the possibility of increasing the period of opof the ...
S. V. Petrov   +4 more
doaj   +1 more source

Semantic Modeling in Materials Science and Engineering With Platform MaterialDigital Core Ontology 3.0

open access: yesAdvanced Engineering Materials, EarlyView.
The community‐driven Platform MaterialDigital Core Ontology (PMDco) 3.0 is introduced as a Basic Formal Ontology‐aligned semantic backbone for the processing–structure–properties paradigm in Materials Science and Engineering. Modular engineering, automated releases, and validation workflows are highlighted and key semantic patterns for materials ...
Markus Schilling   +15 more
wiley   +1 more source

Experience in developing a multicomponent reservoir with a thin oil rim [PDF]

open access: yesE3S Web of Conferences
This article examines the effectiveness of the implemented development systems at the South Kemachi oil and gas condensate field. As a result of the analysis and assessment of the effectiveness of the implemented development systems in the field, it was ...
Nazarov Ulugbek   +2 more
doaj   +1 more source

Crystal Growth Engineering for Dendrite‐Free Zinc Metal Plating

open access: yesAdvanced Materials, EarlyView.
This research employed the rare‐earth ion dysprosium (Dy) to modulate aqueous zinc (Zn) metal plating. Integrated multiscale experiments and computational modeling unveiled the preferential adsorption of Dy on specific crystal facets, which activated screw dislocation‐driven Zn growth.
Guifang Zeng   +10 more
wiley   +1 more source

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