Zobrazeno 1 - 10
of 211
pro vyhledávání: '"S A, Rudenko"'
Publikováno v:
Pribory i Metody Izmerenij, Vol 14, Iss 2, Pp 145-151 (2023)
Highly loaded transmission gears are cemented and hardened. An important parameter of the hardened cemented layer is its effective thickness hef . Metal banding and the unavoidable instrumental error in hardness measuring have a great influence on th
Externí odkaz:
https://doaj.org/article/aac5f84e6ce84b82884c4bebaf952067
Publikováno v:
Electrical engineering & Electromechanics, Vol 2023, Iss 5, Pp 63-68 (2023)
The electric field strength is one of the main factors influencing sensitive microprocessor equipment and personnel on power stations and substations, power lines. Determining its level is an important applied task for ensuring the safe operation of
Externí odkaz:
https://doaj.org/article/9ead1fdb33b4499f909b0974f9d398f7
Publikováno v:
Electrical engineering & Electromechanics, Iss 1, Pp 77-82 (2023)
The work is devoted to the improvement of methods for determining the normalized parameters of the grounding system (GS) of operating power stations and substations. The aim of the work is determination of the scope of the experimental-calculated met
Externí odkaz:
https://doaj.org/article/dd01e088a5414eb381dde6992f885da9
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 64-69 (2022)
Recalculation formulae of hardness transformation in units of HRC into Vickers hardness HV 30 for hardened and tempered structural steels in ASTM E 140-07 and ISO 18265:2013 were analyzed. From a Vickers hardness reading of 62.3 HRC using a 4.903 N i
Externí odkaz:
https://doaj.org/article/4a56583cceb94a04a41e179dc8d061fc
Publikováno v:
Pribory i Metody Izmerenij, Vol 13, Iss 3, Pp 189-198 (2022)
The exact determination of Vickers HV hardness is important for determining of the product material mechanical properties. An important aspect of measuring HV is to obtain its values on a non-planar surface. Regulatory documents contain table values
Externí odkaz:
https://doaj.org/article/657645c22f2d496e92e89c3f57b8bbcf
Publikováno v:
Electrical engineering & Electromechanics, Iss 4, Pp 75-80 (2022)
The aim of the work is a test of the developed mathematical model of electromagnetic processes of short circuit and approbation of the created software complex «LiGro» on its basis for the existing grounding system located in three-layer soil. Meth
Externí odkaz:
https://doaj.org/article/c68d32a1d9f44b1f9fdedf3194444ace
Autor:
M. V. Moiseeva, A. V. Mordyk, N. V. Bagisheva, I. A. Viktorova, S. A. Rudenko, S. V. Sitnikova
Publikováno v:
Туберкулез и болезни лёгких, Vol 100, Iss 6, Pp 32-37 (2022)
The objective: to assess the impact of tuberculosis (TB), chronic obstructive pulmonary disease (COPD) and chronic heart failure (CHF) on the quality of life (QOL) and the need to manage each disease to improve the physical and mental components of Q
Externí odkaz:
https://doaj.org/article/734044c899ef4a0c98e65dbd9d77a416
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 1, Pp 113-120 (2022)
The advantages of sparingly alloyed steels for the manufacture of large-module gears are substantiated. A test output quality control of the manufacture of gears from rolled new structural sparingly alloyed steel 21ХГНМБА (21KhGNMBA) was carrie
Externí odkaz:
https://doaj.org/article/f4f16b5e48324ea0ab63cc18ee40c5dd
Publikováno v:
Electrical engineering & Electromechanics, Iss 5, Pp 67-70 (2021)
The paper is devoted to the problem of determining the geoelectric structure of the soil within the procedure of testing the grounding arrangements of existing power plants and substations to the required depth in conditions of dense development. To
Externí odkaz:
https://doaj.org/article/47b83f9e2e2f45b3b3481106e1f7ef5b
Publikováno v:
Український журнал серцево-судинної хірургії, Iss 1 (42), Pp 16-19 (2021)
Ischemic mitral regurgitation (IMR) is a dynamic phenomenon depending on myocardial function and he- modynamics. Grade, hemodynamic significance and anatomic reasons of IMR are always key features for defining indica- tions for surgical treatment. In
Externí odkaz:
https://doaj.org/article/208795e1373c4fdba4c02474892a7778