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[en] The development of grain-boundary flakes in the approximation of structural fracture mechanics is described. Each crack jump corresponds to mergence of clusters (according to percolation model) on a two-dimensional triangular net of facet bonds whereas the interval between jumps corresponds to the time of hydrogen accumulation in a cavity up to eritical pressure. The kinetic parameters are in agreement with the experimental parameters
Journal
[en] Kinetics and phase composition of diffusion layers under conditions of high-velocity furnace heating of chromium coating on 20 and 45 steels is studied. The (Cr, Fe)23C6 carbide corresponding to the microhardness peak is formed in the diffusion zone. The peak is shifting to the surface with increase in temperature and time.4 refs., 2 figs
Journal
Izvestiya Vysshikh Uchebnykh Zavedenij, Chernaya Metallurgiya; ISSN 0021-3438; 
; CODEN IVUMAX; (no.1); p. 49-51
; CODEN IVUMAX; (no.1); p. 49-51
[en] The chromium coating structure on the steel 20 sublayer was studied by high-rate heating through direct electrical current flow up to temperatures of 900, 1000, 1150, 1200 and 1250 deg C at the rate of 50 deg C/s-1. It is established that formation of diffusion zone on the steel 20 begins since the (Cr, Fe)23C6 carbide formation followed thereafter by the (Cr, Fe)7C3 carbide formation at the temperature of 1000-1100 deg C. Annealing at 1250 deg C leads to the carbide dissolution. The coating final composition constitutes the galvanic chromium and the α-phase. 3 refs
Journal
Izvestiya Vysshikh Uchebnykh Zavedenij, Chernaya Metallurgiya; ISSN 0021-3438; ; CODEN IVUMAX; (no.3); p. 44-47
; CODEN IVUMAX; (no.3); p. 44-47
[en] Lanthanide tris(b-diketonates) (Ln=Dy, Eu) were prepared and used as ionophores for plasticised polymer membranes of ion-selective electrodes. Electrochemical properties of the membranes were characterized, and the possibility of their use as components of chloride ion-selective electrodes was studied
[ru]
На основе трис(β-дикетонатов) лантаноидов (Ln=Dy, Eu) получены мембраны для ионоселективных электродов. Мембраны представляют собой пластифицированный полимер с внедренными трис(β-дикетонатами) лантаноидов. Исследованы электрохимические свойства полученных мембран и возможность их использования в качестве компонентов хлорселективных электродовJournal
No abstract available
Source
Sankt-Peterburgskij Gosudarstvennyj Univ., Sankt-Peterburg (Russian Federation); Rossijskoe Khimicheskoe Obshchestvo im. D.I. Mendeleeva, Moscow (Russian Federation); 240 p; ISBN 978-5-98340-302-4; ; 2013; p. 152-154; Mendeleev-2013: 7. All-Russian conference of young scientists, postgraduate students and students with international participation on chemistry and nanomaterials; Mendeleev-2013. VII Vserossijskaya konferentsiya molodykh uchenykh, aspirantov i studentov s mezhdunarodnym uchastiem po khimii i nanomaterialam; Sankt-Peterburg (Russian Federation); 2013; 2 figs.
; 2013; p. 152-154; Mendeleev-2013: 7. All-Russian conference of young scientists, postgraduate students and students with international participation on chemistry and nanomaterials; Mendeleev-2013. VII Vserossijskaya konferentsiya molodykh uchenykh, aspirantov i studentov s mezhdunarodnym uchastiem po khimii i nanomaterialam; Sankt-Peterburg (Russian Federation); 2013; 2 figs.
No abstract available
Source
Ministerstvo Nauki i Vysshego Obrazovaniya Rossijskoj Federatsii, Moscow (Russian Federation); Natsional'nyj Issledovatel'skij Nizhegorodskij Gosudarstvennyj Univ. im. N.I. Lobachevskogo, Nizhnij Novgorod (Russian Federation); 568 p; ISBN 978-5-91326-590-6; ; 2020; p. 414; 23. All-Russian conference of young chemical scientists (with international participation); XXIII Vserossijskaya konferentsiya molodykh uchenykh-khimikov (s mezhdunarodnym uchastiem); Nizhnij Novgorod (Russian Federation); 21-23 Apr 2020; 1 fig.
; 2020; p. 414; 23. All-Russian conference of young chemical scientists (with international participation); XXIII Vserossijskaya konferentsiya molodykh uchenykh-khimikov (s mezhdunarodnym uchastiem); Nizhnij Novgorod (Russian Federation); 21-23 Apr 2020; 1 fig.
No abstract available
Source
Rossijskaya Akademiya Nauk, Otdelenie Fizikokhimii i Tekhnologii Neorganicheskikh Materialov, Sektsiya Koordinatsionnoj Khimii Nauchnogo Soveta po Neorganicheskoj Khimii, Moscow (Russian Federation); RAN, Inst. Obshchej i Neorganicheskoj Khimii im. N.S. Kurnakova, Moscow (Russian Federation); Ministerstvo Obrazovaniya Rossijskoj Federatsii, Moscow (Russian Federation); Severo-Kavkazskij Nauchnyj Tsentr Vysshej Shkoly, Rostov-na-Donu (Russian Federation); Rostovskij Gosudarstvennyj Univ., Rostov-na-Donu (Russian Federation); Rossijskoe Khimicheskoe Obshchestvo im. D.I. Mendeleeva, Moscow (Russian Federation); Rossijskij Fond Fundamental'nykh Issledovanij (RFFI), Moscow (Russian Federation); Federal'naya Tselevaya Programma Integratsiya, Moscow (Russian Federation); Mezhdunarodnaya Assotsiatsiya INTAS, Moscow (Russian Federation); Moskovskij Komitet po Nauke i Tekhnologiyam, Moscow (Russian Federation); 560 p; ISBN 5-9275-0086-2; ; 2001; p. 260; 20. International Chugaev conference on coordination chemistry; 20. Mezhdunarodnaya Chugaevskaya konferentsiya po koordinatsionnoj khimii; Rostov-na-Donu (Russian Federation); 25-29 Jun 2001; 1 ref.
; 2001; p. 260; 20. International Chugaev conference on coordination chemistry; 20. Mezhdunarodnaya Chugaevskaya konferentsiya po koordinatsionnoj khimii; Rostov-na-Donu (Russian Federation); 25-29 Jun 2001; 1 ref.
No abstract available
Source
Naumov, N.G. (ed.); Ministerstvo Nauki i Vysshego Obrazovaniya RF, Moscow (Russian Federation); Rossijskaya Akademiya Nauk, Moscow (Russian Federation); Inst. Neorganicheskoj Khimii im. A.V. Nikolaeva SO RAN, Novosibirsk (Russian Federation); Federal'nyj Issledovatel'skij Tsentr «Kazanskij Nauchnyj Tsentr RAN», Kazan' (Russian Federation); Inst. Organicheskoj i Fizicheskoj Khimii im. A.E. Arbuzova, Kazan' (Russian Federation); Respublikanskoe Khimicheskoe Obshchestvo im. D.I. Mendeleeva Tatarstana, Kazan' (Russian Federation); 139 p; ISBN 978-5-90168-848-9; ; 2022; p. 73-74; All-Russian conference with international participation on 7. Russian Day of Rare Earth; Vserossijskaya konferentsiya s mezhdunarodnym uchastiem «VII Rossijskij den' redkikh zemel'»; Kazan' (Russian Federation); 14-16 Feb 2022; 2 figs.
; 2022; p. 73-74; All-Russian conference with international participation on 7. Russian Day of Rare Earth; Vserossijskaya konferentsiya s mezhdunarodnym uchastiem «VII Rossijskij den' redkikh zemel'»; Kazan' (Russian Federation); 14-16 Feb 2022; 2 figs.
No abstract available
Source
Naumov, N.G. (ed.); Ministerstvo Nauki i Vysshego Obrazovaniya RF, Moscow (Russian Federation); Rossijskaya Akademiya Nauk, Moscow (Russian Federation); Inst. Neorganicheskoj Khimii im. A.V. Nikolaeva SO RAN, Novosibirsk (Russian Federation); Federal'nyj Issledovatel'skij Tsentr «Kazanskij Nauchnyj Tsentr RAN», Kazan' (Russian Federation); Inst. Organicheskoj i Fizicheskoj Khimii im. A.E. Arbuzova, Kazan' (Russian Federation); Respublikanskoe Khimicheskoe Obshchestvo im. D.I. Mendeleeva Tatarstana, Kazan' (Russian Federation); 139 p; ISBN 978-5-90168-848-9; ; 2022; p. 68-69; All-Russian conference with international participation on 7. Russian Day of Rare Earth; Vserossijskaya konferentsiya s mezhdunarodnym uchastiem «VII Rossijskij den' redkikh zemel'»; Kazan' (Russian Federation); 14-16 Feb 2022; 1 fig.
; 2022; p. 68-69; All-Russian conference with international participation on 7. Russian Day of Rare Earth; Vserossijskaya konferentsiya s mezhdunarodnym uchastiem «VII Rossijskij den' redkikh zemel'»; Kazan' (Russian Federation); 14-16 Feb 2022; 1 fig.
[en] Synthesis of adducts-substituted β-diketones of lanthanides (Ln La, Pr, Dy, Ho, Er, Tb, Tm, Eu) with 1,10-phenanthroline and alkyl-substituted 2,2'-dipyridyl has been realized for the first time to prepare liquid crystalline lanthanide compounds and to study their properties. The composition and structure of the products have been ascertained by data of elementary analysis, IR and 1H NMR spectroscopy. It is shown that the presence of alkyl radical in β-diketones fragment gives rise to a considerable growth of final product yield (up to 95-98%). The method proposed permits preparing a wide range of lanthanide-containing mesogenous molecular blocks by varying ligands and substituents
[ru]
С целью получения жидкокристаллических соединений лантаноидов и изучения их свойств впервые проведен синтез аддуктов алкилзамещенных β-дикетонатов лантаноидов (Ln = La, Pr, Dy, Ho, Er, Tb, Tm, Eu) с 1,10-фенантролином и алкилзамещенным 2,2'-дипиридином. Состав и строение продуктов установлены по данным элементного анализа, ИК- и ЯМР 1H-спектроскопии. Показано, что наличие алкильного радикала в β-дикетонном фрагменте приводит к значительному росту выхода конечного продукта (до 95-98%). Предложенная методика позволяет путем варьирования лигандов и заместителей получать широкий спектр лантаноидсодержащих мезогенных молекулярных блоковJournal
Doklady Akademii Nauk - Rossijskaya Akademiya Nauk; ISSN 0869-5652; ; CODEN DAKNEQ; v. 384(2); p. 206-209
; CODEN DAKNEQ; v. 384(2); p. 206-209
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