Results 21 to 30 of about 20,365 (264)

Influence of long irregularities of the longitudinal profile on traffic safety under conditions of intensification of the transportation process

Вестник Научно-исследовательского института железнодорожного транспорта, 2020
The key directions of intensification of the transportation process are described and their influence on the infrastructure is indicated. The concept of long irregularities of the longitudinal profile is defined and a method is proposed that allows one ...
V. O. Pevzner, A. I. Chechel’nitskiy, K. V. Shapet’ko, E. A. Sidorova, A. Yu. Slastenin   +4 more
doaj   +1 more source

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

Вестник 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, A. V. Vopilin, S. V. Raduchev, R. R. Khalilov, V. S. Yakunin   +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

Вестник 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, D. G. Fedorchenko, S. P. Golanov, Yu. I. Tsibisov, D. D. Tyulkin, I. E. Vorotyntsev, A. V. Ivchenko   +6 more
doaj   +1 more source

Dynamic effect on turnouts of cars having wheelsets with thin flanges

Вестник 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, M. I. Titarenko, E. A. Timakova, A. A. Savchenko, S. V. Kuznetsov, А. M. Kalachev   +5 more
doaj   +1 more source

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

Вестник 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, G. V. Raykov, A. V. Vasil’Ev, S. E. Goncharov, A. N. Kemezh   +4 more
doaj   +1 more source

Towards Defect Phase Diagrams: From Research Data Management to Automated Workflows

Advanced Engineering Materials, EarlyView.
A research data management infrastructure is presented for the systematic integration of heterogeneous experimental and simulation data required for defect phase diagrams. The approach combines openBIS with a companion application for large‐object storage, automated metadata extraction, provenance tracking and federated data access, thereby supporting ...
Khalil Rejiba, Sang‐Hyeok Lee, Christina Gasper, Martina Freund, Sandra Korte‐Kerzel, Ulrich Kerzel   +5 more
wiley   +1 more source

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

E3S 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, Shevtsov Vladimr, Igamberdieva Lobar   +2 more
doaj   +1 more source

Tuning the Testicular Microenvironment for Enhancing Human Sertoli Cells Maturation and Functionality In Vitro

Advanced Healthcare Materials, EarlyView.
An in vitro testicular model is developed by generating connective tissue equivalents from human dermal fibroblast‐derived microtissues and coupling them with human Sertoli cells or human Sertoli cell spheroids. This engineered microenvironment supports Sertoli cell maturation and functionality, providing a promising platform for studying human ...
Annachiara Scalzone, Giorgia Imparato, Chiara Ausilio, Valentina Mollo, Paolo Antonio Netti   +4 more
wiley   +1 more source

Use of the Guardian Connect glycemic monitoring system in patients after total duodenopancreatectomy in the early postoperative period on intravenous insulin therapy

Сахарный диабет
BACKGROUND: Among different subtypes of pancreatogenic diabetes mellitus the biggest difficulties of glycemic control arise in patients after total duodenopancreatectomy (TDPE), first of all due to the presence of absolute insulin insufficiency.AIM ...
A. G. Farmanov, E. V. Bublik, O. I. Vinogradskaya, O. V. Udovichenko, A. V. Zilov, S. M. Deunezheva, E. G. Ryzhkova, V. I. Egorov, V. V. Fadeev, A. V. Zhivov, I. E. Tobianskaya   +10 more
doaj   +1 more source

Assessment of design approximation impact on neutronic characteristics of a high-temperature gas-cooled reactor fuel assembly [PDF]

Nuclear Energy and Technology
A comparative study has been conducted to find out how design approximations and simulation methods of a prismatic-type fuel block of a high-temperature gas-cooled reactor (HTGR) may affect the calculation accuracy of neutronic characteristics of fuel ...
Alexander V. Salyaev, Svetlana G. Usynina, Valeriya P. Kalinina   +2 more
doaj   +3 more sources