Zobrazeno 1 - 10
of 1 603
pro vyhledávání: '"A. G. Kovalev"'
Autor:
S. G. Kovalev, S. S. Kovalev
Publikováno v:
Georesursy, Vol 25, Iss 1, Pp 95-107 (2024)
The article presents the first data on rare earth mineralization in differentiated intrusions on the western slope of the Southern Urals. When studying the mineralogy of the rocks of the Shuida, Misaelga, Ishliy and Lysogorsk complexes, minerals of r
Externí odkaz:
https://doaj.org/article/a4825d68c70147e8bcb2a829b5420fc8
Autor:
S. G. Kovalev, S. S. Kovalev
Publikováno v:
Georesursy, Vol 23, Iss 4, Pp 80-95 (2024)
The article provides materials on the analysis of the chemical composition of silicates and aluminosilicates that make up the differentiated body of the Misaelga complex, which made it possible by calculation methods to restore the thermobaric parame
Externí odkaz:
https://doaj.org/article/9bf8970ae6a940a88d8ab176bd16008c
Autor:
M. G. Kovalev, V. A. Kakusha, O. A. Kornev, D. A. Melnikov, M. V. Fedorov, D. V. Zaitsev, P. D. Kapyrin
Publikováno v:
Stroitel’stvo: Nauka i Obrazovanie, Vol 13, Iss 4, Pp 6-18 (2023)
Introduction. The paper deals with relaxation and creep coefficients, long-term ultimate bending deformation under long-term exposure to moisture and chemically active environment (10,000 hours) of sewer pipes.Materials and methods. 400, 1,200 and 1,
Externí odkaz:
https://doaj.org/article/f87a3ecd3e88442da633b43ec68de6f4
Publikováno v:
Вестник хирургии имени И.И. Грекова, Vol 181, Iss 6, Pp 19-25 (2023)
OBJECTIVE. Despite the increasingly use of video-assisted approaches in thoracic surgery, intraoperative conversion from minimally invasive to «open» takes place quite often, especially during anatomical lung resection. METHODS AND MATERIALS. A ret
Externí odkaz:
https://doaj.org/article/fed744550b42430995d1e99159a9fe89
Autor:
A. L. Akopov, A. S. Agishev, R. P. Mishra, M. G. Kovalev, E. V. Parshin, S. Yu. Dvoreckiy, Z. A. Zaripova, Yu. D. Rabik, R. D. Skvortsova, A. A. Obukhova
Publikováno v:
Вестник хирургии имени И.И. Грекова, Vol 181, Iss 1, Pp 33-40 (2022)
The OBJECTIVE was to identify prognostic factors of long-term air leak after lobectomies based on the analysis of the main preoperative and surgical clinical and functional indicators.METHODS AND MATERIALS. A retrospective study included 71 patients
Externí odkaz:
https://doaj.org/article/a5b1a518683149748a11d2c0f2bb47d6
Autor:
Sergey G. Kovalev, Sergey S. Kovalev
Publikováno v:
Записки Горного института, Vol 255, Pp 476-492 (2022)
Materials on geochemistry and ore Fe-Ti-Cr mineralization of rocks composing layered (stratified) bodies of the western slope of the Southern Urals are presented. A detailed analysis showed similarity in the redistribution of REE, noble metals, and F
Externí odkaz:
https://doaj.org/article/149f9ffc5ddf41eb8fecefe1c5fd6f57
Publikováno v:
Вестник хирургии имени И.И. Грекова, Vol 180, Iss 2, Pp 93-100 (2021)
The function of the respiratory parenchyma remaining after lung resection is one of the determining factors of the immediate result of the operation and the postoperative quality of life. A number of studies have been conducted to objectify the preop
Externí odkaz:
https://doaj.org/article/2389fc27cb3a41299eb49a502a9ffee9
Publikováno v:
Фармакокинетика и Фармакодинамика, Vol 0, Iss 4, Pp 14-18 (2021)
The effect of levetiracetam (a derivative of 4-phenylpyrrolidone) and its original analog, the compound GIZH-290, on primary generalized epileptic activity (EpA) in rat brain structures (sensorimotor cortex, dorsal hippocampus-CA3 field and lateral h
Externí odkaz:
https://doaj.org/article/d66aa58d85c543b8b6856afbf73a3a87
Publikováno v:
Учёные записки Санкт-Петербургского государственного медицинского университета им. Акад. И.П. Павлова, Vol 27, Iss 3, Pp 34-40 (2021)
The objective was to investigate the efficiency of the preoperative rehabilitation for patients with planned anatomical lung resections.Methods and materials.The study included 92 patients aged 27 to 87 years (mean age (63±10.8) years), 25 women (27
Externí odkaz:
https://doaj.org/article/301bea712c3f45639e5005b48968546a
Publikováno v:
Литосфера, Vol 20, Iss 4, Pp 573-591 (2020)
Research subject. The object of the study is the Ulyuk-Bar gold deposit ore-bearing rocks, located in the Bashkir meganticlinorium (the Southern Urals). Methods. The article presents the first data on the distribution of rare earth elements (REE), pl
Externí odkaz:
https://doaj.org/article/78999271eb934bd4b51a0443d46eed2d