Zobrazeno 1 - 10
of 302
pro vyhledávání: '"A. K. Novikov"'
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 23, Iss 3, Pp 69-81 (2024)
The article describes the possibility of determining the damping coefficient of a support with an elastic ring based on dry friction forces using a special test bench. The forced excitation force is set by the oscillations of a compact speaker instal
Externí odkaz:
https://doaj.org/article/3f1a21e179fd468e942e70a36829043e
Publikováno v:
Нижневолжский археологический вестник, Vol 23, Iss 2, Pp 25-45 (2024)
Metal production in the Trans-Ural region in the Early Iron Age is known mainly from materials from the Itkul and Sargat cultures. The article introduces into scientific circulation the largest collection of objects (80 items) made of non-ferrous met
Externí odkaz:
https://doaj.org/article/3ac4e4e4447d4b528a71858aa985bb8b
Autor:
V. I. Podzolkov, A. E. Bragina, N. A. Druzhinina, Yu. N. Rodionova, T. A. Safronova, R. A. Shikhmagomedov, K. K. Novikov
Publikováno v:
Кардиоваскулярная терапия и профилактика, Vol 23, Iss 4 (2024)
Aim. To study the relationship of integral metabolic indices with the Cardio-Ankle Vascular Index (CAVI) and assess their predictive value for identifying increased levels of arterial stiffness in young and middle-aged people with hypertension and ot
Externí odkaz:
https://doaj.org/article/2e53b9d1382141738354098c5acb0f71
Autor:
D. K. Novikov, N. S. Shliandina
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 21, Iss 3, Pp 108-115 (2022)
One of the most common ways to reduce vibration in aircraft engines is the use of damping devices. Squeeze-film dampers are the dampers most widely used in aircraft engine designs. The efficiency of squeeze-film dampers is determined by their damping
Externí odkaz:
https://doaj.org/article/a559828bb00547c0bf2a67bb5df6d134
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 20, Iss 4, Pp 69-78 (2022)
The article describes a method for experimental evaluation of the stiffness of an elastic damper ring. A thin-walled low-stiffness ring with uniformly distributed smooth protrusions on the inner and outer surfaces acts as a damper ring. Despite the w
Externí odkaz:
https://doaj.org/article/29baa371ab5f45c58a87ca46ca80c1ba
Autor:
A. V. Gurshchenkov, M. V. Selivanov, E. A. Mukhin, I. V. Sukhova, Ya. A. D'yachenko, R. S. Agaev, A. D. Maystrenko, V. K. Novikov, V. S. Kucherenko, M. L. Gordeev
Publikováno v:
Alʹmanah Kliničeskoj Mediciny, Vol 47, Iss 4, Pp 310-317 (2019)
Background: At present, there are no methods for intraoperative monitoring of the interventricular septum (IVS) thickness in a stopped and empty heart. This might be an obvious reason for unsatisfactory results after a number of septal myectomies.Aim
Externí odkaz:
https://doaj.org/article/64f0d8a4a3da488881a51b809caccbee
Publikováno v:
Frontiers in Physics, Vol 9 (2021)
Hydrated fullerene C60 (HyFn) is a supramolecular object in which the nanosized fullerene molecule is enclosed in a multilayer shell of water molecules. Despite the fact that fullerene C60 is chemically rather inert, aqueous solutions of HyFn exhibit
Externí odkaz:
https://doaj.org/article/384f60efd7284491ae920ac3225e9322
Publikováno v:
Journal of Field Archaeology. 48:210-226
Autor:
A. E. Bautin, A. S. Yakovlev, S. V. Zayashnikov, D. M. Tashkhanov, A. O. Marichev, P. A. Fedotov, M. А. Bortsova, Yu. V. Sazonova, I. V. Sukhova, I. E. Titova, M. A. Simonenko, M. Yu. Sitnikova, V. K. Novikov, O. M. Moiseeva
Publikováno v:
Российский кардиологический журнал, Vol 0, Iss 12, Pp 97-103 (2017)
Aim. To compare the effect of nitric oxide (NO) and inhalatory iloprost (IIP) on the hemodynamics of pulmonary hypertension patients, associated with severe systolic dysfunction of the left ventricle (LV).Material and methods. A retrospective descrip
Externí odkaz:
https://doaj.org/article/3facb788f3f446988d639d2a82430fc7
Autor:
D. S. Diligensky, D. K. Novikov
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 16, Iss 1, Pp 87-100 (2017)
The article considers the influence of different tolerance values on the stiffness of elastic rings in squeeze film dampers. This type of damper is widely used in gas turbine engine supports. The available analytical solutions have a number of limita
Externí odkaz:
https://doaj.org/article/123274ae717b40a19365a1b0f6f025e2