Search Results - "Sergeev, S.A."

Effect of internal donors on the performance of Ti-Mg catalysts in propylene polymerization: Donor introduction during or after MgCl2 formation by Bukatov, G.D., Maslov, D.K., Sergeev, S.A., Matsko, M.A.

“…The catalyst active sites produce PP, whose properties - melt flow index (MFI) and molecular-weight distribution (as Mw/Mn) - depend on internal donors (ID) in…”
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A study of the formation process of titanium–magnesium catalyst for propylene polymerization by Chumachenko, N.N., Zakharov, V.A., Bukatov, G.D., Sergeev, S.A.

“…The catalyst formation by reacting magnesium diethoxide with titanium tetrachloride in the presence of stereoregulating electron donor - di-n-butylphthalate…”
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Influence of corona discharge on holographic recording of diffraction gratings in Cu–chalcogenide film structures by Nastas, A.M., Iovu, M.S., Prisacar, A.M., Meshalkin, A.Yu, Sergeev, S.A.

“…The influence of corona discharge on holographic recording of gratings in Cu–As2Se3 and Cu–As2S3 thin film structures was investigated. Applying of negative…”
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Estimation of the flight thrust increment changing the operation mode of the engine by Korsun, O.N., Prihodko, S.Yu, Sergeev, S.A.

“…The paper presents a new method for flight test identification of the thrust increment when changing engine operation mode. It is known that the problem of…”
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A novel optical microsurgery method for trophectoderm biopsy by Khramova, Y.V, Ilyina, I.V, Sitnikov, D.S, Ovchinnikov, A.V, Rakityansky, M.M, Sergeev, S.A, Semenova, M.L, Agranat, M.B

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P57 A new technique for polar body biopsy with laser tweezers and femtosecond laser zona pellucida drilling by Sergeev, S.A, Rakityanskiy, M.M, Khramova, Y.V, Semenova, M.L, Smirnova, A.A, Anshina, M.B

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Acute kidney injury after cardiac surgery in children by Sergeev, S.A., Lomivorotov, V.V.

“…Acute kidney injury (AKI) after cardiac surgery in children remains a common clinical concern. The approaches developed recently and applied in clinical…”
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U-Pb Zircon Dating of Granulite Metamorphism in the Sludyanskiy Complex, Eastern Siberia by Salnikova, E.B., Sergeev, S.A., Kotov, A.B., Yakovleva, S.Z., Steiger, R.H., Reznitskiy, L.Z., Vasil'ev, E.P.

“…Conventional multigrain and single-grain zircon U-Pb ages were obtained for syn- and post-metamorphic granitoids from the Sludyanskiy Complex in the…”
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Mesoarchean bimodal volcanic rocks of the Onot greenstone belts, southwestern Siberian craton: Implications for magmatism in an extension/rift setting by Turkina, O.M., Sukhorukov, V.P., Sergeev, S.A.

“…[Display omitted] •Bimodal volcanics of the Onot greenstone belt formed at ca. 2.9 Ga.•Felsic melts were derived from Paleoarchean TTG basement and mafic…”
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Tissue inhibitor of metalloproteinase-2 in patients aged 1 month to 1 year with and without cardiac surgery-associated acute kidney injury in congenital heart disease surgery with cardiopulmonary bypass: a single-center retrospective study by Sergeev, S.A., Lomivorotov, V.V., Lomivorotov, V.N., Nepomniashchikh, V.A.

“…Introduction: Acute kidney injury is a common complication of cardiac surgery after management of congenital heart defects. Cardiac surgery-associated acute…”
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Asymptotics of the Whispering Gallery-Type in the Eigenproblem for the Laplacian in a Domain of Revolution Diffeomorphic To a Solid Torus by Minenkov, D.S., Sergeev, S.A.

“…We consider the eigenproblem for the Laplacian inside a three-dimensional domain of revolution diffeomorphic to a solid torus, and construct asymptotic…”
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Pre-collisional (>0.5Ga) complexes of the Olkhon terrane (southern Siberia) as an echo of events in the Central Asian Orogenic Belt by Donskaya, T.V., Gladkochub, D.P., Fedorovsky, V.S., Sklyarov, E.V., Cho, M., Sergeev, S.A., Demonterova, E.I., Mazukabzov, A.M., Lepekhina, E.N., Cheong, W., Kim, J.

“…The Olkhon terrane is a part of the Early Palaeozoic accretionary-collisional system in the northern Central Asian Orogenic Belt (CAOB). The terrane was…”
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Comparative in-situ U–Th–Pb geochronology and trace element composition of baddeleyite and low-U zircon from carbonatites of the Palaeozoic Kovdor alkaline–ultramafic complex, Kola Peninsula, Russia by Rodionov, N.V., Belyatsky, B.V., Antonov, A.V., Kapitonov, I.N., Sergeev, S.A.

“…The most widely used geochronometer for dating geological events is the U–Pb isotope system used on zircon crystals. However, in silica-undersaturated…”
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From “Storming Heaven” to Normalization: the New Radical Left Parties in Western Europe by Sergeev, S.A., Kuznetsova, A.V., Kuzmina, S.V.

“…The article is devoted to studying the new radical left parties (NRLP) that either emerged or strengthened in Western Europe in the light of social protests…”
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Timing and petrogenesis of metamafic-ultramafic rocks in the Southern Brasília orogen: Insights for a Rhyacian multi-system suprasubduction zone in the São Francisco paleocontinent (SE-Brazil) by Pinheiro, M.A.P., Suita, M.T.F., Lesnov, F.P., Tedeschi, M., Silva, L.C., Medvedev, N.S., Korolyuk, V.N., Pinto, C.P., Sergeev, S.A

“…•Rhyacian multi-system SSZ in the southern São Francisco paleocontinent.•Rhyacian metabasalts interleaved in Neoproterozoic and Paleoproterozoic units.•Hybrid…”
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The geological composition of the hidden Wilhelm II Land in East Antarctica: SHRIMP zircon, Nd isotopic and geochemical studies with implications for Proterozoic supercontinent reconstructions by Mikhalsky, E.V., Belyatsky, B.V., Presnyakov, S.L., Skublov, S.G., Kovach, V.P., Rodionov, N.V., Antonov, A.V., Saltykova, A.K., Sergeev, S.A.

“…•Wilhelm II Land experienced ca 1480Ma, 980–920Ma (high-grade) and locally 500Ma events.•It was conjugated with neighboring blocks of Antarctica at least in…”
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New Sm–Nd, Rb–Sr, U–Pb and Hf isotope systematics for the southern Prince Charles Mountains (East Antarctica) and its tectonic implications by Mikhalsky, E.V., Henjes-Kunst, F., Belyatsky, B.V., Roland, N.W., Sergeev, S.A.

“…We report isotopic (Sm–Nd, Rb–Sr and zircon Hf and U–Pb SIMS SHRIMP) data on rocks collected from various localities throughout the southern Prince Charles…”
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Triassic deposits of Chukotka, Wrangel Island and Mendeleev Rise, Arctic Sea: sedimentology and geodynamic implications by Tuchkova, M.I., Shokalsky, S.P., Petrov, O.V., Sokolov, S.D., Sergeev, S.A., Moiseev, A.V.

“…Upper Triassic sandstones from Mendeleev Rise were analyzed and compared to turbiditic sandstones of the same age from Wrangel Island and Chukotka, Arctic Sea…”
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Age of the earliest Paleolithic sites in the northern part of the Armenian Highland by SHRIMP-II U–Pb geochronology of zircons from volcanic ashes by Presnyakov, S.L., Belyaeva, E.V., Lyubin, V.P., Rodionov, N.V., Antonov, A.V., Saltykova, A.K., Berezhnaya, N.G., Sergeev, S.A.

“…Understanding the earliest period of hominid dispersal from Africa to Eurasia requires reliable ages. Since artifacts are not suitable for direct dating,…”
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Reprint of “Pre-collisional (>0.5Ga) complexes of the Olkhon terrane (southern Siberia) as an echo of events in the Central Asian Orogenic Belt” by Donskaya, T.V., Gladkochub, D.P., Fedorovsky, V.S., Sklyarov, E.V., Cho, M., Sergeev, S.A., Demonterova, E.I., Mazukabzov, A.M., Lepekhina, E.N., Cheong, W., Kim, J.

“…The Olkhon terrane is a part of the Early Palaeozoic accretionary-collisional system in the northern Central Asian Orogenic Belt (CAOB). The terrane was…”
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