Results 41 to 50 of about 20,291 (118)

Investigation of resonant phenomena in a locomotive wheelset on the basis of calculation of natural frequencies and modes of their oscillations on finite element models

Вестник Научно-исследовательского института железнодорожного транспорта, 2017
From the practice of engineering design it is known that in the development of mechanical systems, the operation of which is certainly not based on the phenomena of resonance, self-synchronization, etc., one should be wary of the proximity of the ...
V. S. Kossov, E. S. Ogan’Yan, M. N. Ovechnikov, G. M. Volokhov, A. L. Protopopov, M. V. Timakov   +5 more
doaj   +1 more source

POST-PROSPECTING RADIOECOLOGICAL SURVEYS ON THE TOMTORSKOYE RARE METAL DEPOSIT (SAKHA REPUBLIC (YAKUTIA))

Радиационная гигиена, 2018
In 2017, the specialists of the radiation safety laboratory of JSC «VNIPIpromtekhnologii» conducted a radioecological examination of the «Buranny», «Severny» and «Yuzhny» sites in the Tomtorskoe rare metal deposit (the northern part of the Olenek ulus of
V. V. Kasatkin, A. V. Kasatkin, V. A. Ilyichev, N. S. Sedov, E. M. Vasilenko, S. V. Evdokimov   +5 more
doaj   +1 more source

Influence of the axial loads of rolling stock on the contact-fatigue life of rails

Вестник Научно-исследовательского института железнодорожного транспорта, 2018
Analysis of operational data for defective and highly defective rails showed that up to 25 % is the contact-fatigue defects. In connection with the development of heavy haul traffic on the Russian railways, it is relevant to determine the influence of ...
V. S. Kossov, G. M. Volokhov, O. G. Krasnov, M. N. Ovechnikov, A. L. Protopopov, V. V. Oguenko   +5 more
doaj   +1 more source

Double-deck passenger cars of maximum possible dimension standard for the rolling stock of type Т_б

Вестник Научно-исследовательского института железнодорожного транспорта, 2017
Double-deck cars of the models 61-44465, 61-4442, 61-4473, 61-4442 were designed and manufactured at the Tver Car Building Plant. Tests of dimensions of double-deck cars of Tпр dimension standard carried out on the Test Loop of JSC “VNIIZhT” confirmed ...
Yu. M. Lazarenko, D. N. Arshintsev, I. S. Ermishkin, E. V. Kapuskina, E. A. Mitina   +4 more
doaj   +1 more source

Comparative characteristics of indicator minerals of kimberlites and new perspectives diamond of the Ygyatta diamondiferous region (Western Yakutia)

Известия высших учебных заведений: Геология и разведка, 2019
The new data on the composition of kimberlite indicator minerals (KIM) — pyropes and picroilmenites — of the first kimberlite body T-54-14, opened in 2015 in the Syuldyukar kimberlite field by the geologists of ALROSA PJSC, during the verification of the
T. S. Starkova, M. V. Maltsev, A. V. Tolstov   +2 more
doaj   +1 more source

Method of functional redundancy of the onboard time scale in Earth remote sensing data

Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
A method of functional reservation of the onboard time scale in data of Earth remote sensing, as well as an algorithm of recovery of the time reference of the data of Earth remote sensing for preliminary processing of packages of the video information is
O. V. Vasyutkina, A. V. Vopilin, R. R. Khalilov, V. S. Yakunin   +3 more
doaj   +1 more source

Performance analysis of the working surface of the rails from test batches on the Test Loop of JSC “VNIIZhT”

Вестник Научно-исследовательского института железнодорожного транспорта, 2018
The monitoring of railway rails damage on the railway network of the JSC “Russian Railways” as well as operational and polygon tests are conducted with the purpose of assessing the impact of operating conditions on the intensity of rails damage ...
M. Yu. Khvostik, I. V. Khromov, O. A. Bykova, G. A. Beresten’   +3 more
doaj   +1 more source

Simulation model for determining the rational dimensions of the irreducible reserve of locomotives at the stations of its turnover

Вестник Научно-исследовательского института железнодорожного транспорта, 2018
With the introduction of polygon site technologies, the extension of locomotive circulation areas has increased the complexity of solving the problems of regulating the fleet of locomotives.
E. A. Sotnikov, M. M. Gonik, S. V. Khomyakov, S. V. Mikhaylov   +3 more
doaj   +1 more source

Functional safety of traction railway rolling stock

Вестник Научно-исследовательского института железнодорожного транспорта, 2016
The article describes approaches to the definition of functional safety in railway transport. The importance of compliance with requirements for functional safety in the context of widespread use of programmable controllers and microprocessor control ...
V. A. Kuchumov, R. V. Murzin, N. B. Nikiforova, M. S. Khazov, A. A. Akishin   +4 more
doaj  

Main Indices of Laboratory Rabbit Cardiovascular System

Ветеринарная патология
Introduction. Rabbits, ferrets, dogs, miniature pigs and monkeys are considered to be the preferable test systems for assessing the efficacy of the developed medicinal products for the cardiovascular system. The heart rate and distribution of cardiac ion
E. V. Simonova, K. T. Sultanova, A. Yu. Borodina, E. V. Mazukina   +3 more
doaj   +1 more source