Zobrazeno 1 - 10
of 38
pro vyhledávání: '"D. A. Leontiev"'
Publikováno v:
Разработка и регистрация лекарственных средств, Vol 0, Iss 3, Pp 180-188 (2019)
Some aspects of the adequate use of reference standards (RS) for making a reliable decision on the compliance of medicines are reviewed. An analysis of the specificity of using RS with the certified value and substance/reagent, for which the nominal
Externí odkaz:
https://doaj.org/article/6088e8611e8c4a1bb3e4462b936fb8be
Autor:
D. A. Leontiev
Publikováno v:
Регуляторные исследования и экспертиза лекарственных средств, Vol 0, Iss 1, Pp 50-55 (2018)
Pharmaceutical reference standards systems have been analyzed. The imperfections of a one-level system have been demonstrated. It has been shown that for making a reliable decision on the quality of medicines one needs to use a two-level system, an i
Externí odkaz:
https://doaj.org/article/41338d810fea4d12877d2c00e4eb9b25
Autor:
D. S. Leontiev, A. A. Arsenyev
Publikováno v:
Oil and Gas Studies. :46-56
This article presents the results of drilling a 1-k core well in Zverinogolovskoye district of Kurgan region and the study of core material. A number of researchers have doubts about the fact that the reason of periodic appearance of an oil film on t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::788557388d71b4039f4450cd88125b7f
https://doi.org/10.31660/0445-0108-2022-5-46-56
https://doi.org/10.31660/0445-0108-2022-5-46-56
Publikováno v:
Oil and Gas Studies. :9-22
The article presents the facts of possible gas field discovery in Petukhovo district of Kurgan region. In 1962, a structural prospecting well 4-G was drilled to a depth of 928 m in the area of Petukhovo state farm in Kurgan region. When drilling the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5067f5a4c580463fc1ac3fb5fc5667c4
https://doi.org/10.31660/0445-0108-2022-3-9-22
https://doi.org/10.31660/0445-0108-2022-3-9-22
Autor:
D. N. Leontiev, V. A. Bogomolov, V. I. Klymenko, L. A. Ryzhyh, S. I. Lomaka, A. V. Suhomlin, A. V. Kuripka1, A. A. Frolov
Publikováno v:
Science & Technique. 21:63-72
The paper proposes a method for determining a vehicle stopping distance based on a braking rate and a coefficient of using an adhesion force by an automated control system for regulating a braking force on the example of a multi-axle vehicle. The aim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1e46e3da12835ad9edeb8c655ad5153
https://doi.org/10.21122/2227-1031-2022-21-1-63-72
https://doi.org/10.21122/2227-1031-2022-21-1-63-72
Autor:
D. N. Leontiev, A. V. Ihnatenko, O. V. Synkovska, L. A. Ryzhikh, N. V. Smirnova, Yu. V. Aleksandrov, N. V. Rudenko
Publikováno v:
Nauka i Tehnika, Vol 20, Iss 6, Pp 522-527 (2021)
A method is proposed for determining the fuel consumption of a wheeled vehicle depending on its speed, road surface flatness and road slope in the longitudinal direction. The purpose of the research is to derive mathematical relationships for calcula
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03172da1a9d6404d876ff5b1dca3a6a0
https://doi.org/10.21122/2227-1031-2021-20-6-522-527
https://doi.org/10.21122/2227-1031-2021-20-6-522-527
Publikováno v:
Oil and Gas Studies. :52-62
The article discusses the main technological processes of well construction for the production of high-viscosity hydrocarbons from productive lowporosity reservoirs with high temperature and pressure conditions, which include shale deposits of Bazhen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c53d8cd2daa7646d23122b450f9f503
https://doi.org/10.31660/0445-0108-2021-3-52-62
https://doi.org/10.31660/0445-0108-2021-3-52-62
Publikováno v:
Paleontological Journal. 53:827-831
Kasimovian (Upper Pennsylvanian) conodonts are studied from the Shcherbatovka section (Oka-Tsna Swell, Ryazan Region). The Khamovnikian and Dorogomilovian substages are exposed in this section. The presence of the conodonts Idiognathodus turbatus and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8c7d407f613d486380eedc6c49b2e13
https://doi.org/10.1134/s0031030119080070
https://doi.org/10.1134/s0031030119080070
Publikováno v:
Springer Geology ISBN: 9783030468613
The Atlas summarizes geological and geophysical data acquired in recent years while preparing the 1:1 M State Geological Map of the Russian Federation and the implementation of the international project Atlas of Geological Maps of the Arctic. A set o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7384391e2cefaf78b477cbcc666423f
https://doi.org/10.1007/978-3-030-46862-0_4
https://doi.org/10.1007/978-3-030-46862-0_4
Autor:
D F Leontiev
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 981:042060
The purpose of our message is to characterize the principles used in national inventory development and to show possibilities of landscape-species approach for characterizing hunting resources distribution. This represents a certain scientific novelt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09bf134c60d84fbfcd3382b83bffc83d
https://doi.org/10.1088/1755-1315/981/4/042060
https://doi.org/10.1088/1755-1315/981/4/042060