Letteratura scientifica selezionata sul tema "Pisʹma (Akademii͡a nauk SSSR)"

Yury Borisovich Rumer was one of the most important theoretical physicists of the former Soviet Union in the early 1930s. However, he also wrote a few ‘biological papers’ on the standard genetic code after he read Crick's and Nirenberg's pioneering papers on the topic. Rumer's articles on the ‘Systematization of Codons in the Genetic Code’ (Rumer 1966 Doklady Akademii nauk SSSR 167, 1393–1394); Rumer 1968 Doklady Akademii nauk SSSR 183, 225–226; Rumer 1969 Doklady Akademii nauk SSSR 187, 937–938, where he suggested the idea of partitioning codons depending on their redundancy—the first mention of symmetry in the genetic code—were published in Russian only. Due to their importance and their frequent citation, we here present translations of these articles into English in order to make them accessible to a broader community.

[For the English abstract and full text of the article please see the attached PDF-File (English version follows Russian version)].ABSTRACT Being a man of encyclopedic knowledge, a brilliant theoretician and experimenter, academician Sergey Vavilov has received international recognition for his work in the field of luminescence («cold light»), physical optics, became a founder of a branch of science, called microoptics. In the arsenal of his developments there are rangefinders and stereo telescopes, means of aerial photography and optical control, masking of warships and lighting of submarines, he headed for many years at the same time State Optical Institute and Physical Institute of the USSR Academy of Sciences. The last six years of life he headed the USSR Academy of Sciences, played a huge role in post-war reform of Soviet science. The article is devoted to the 125th anniversary of the birth of the scientist, organizer and popularizer of science and public figure. Keywords: physics, optics, Sergey Vavilov, luminescence, science, history, academy. REFERENCES 1. Sergey Vavilov. Essays and Memoirs [Sergej Ivanovich Vavilov. Ocherki i vospominanija]. Ed. by I. M. Frank. Moscow, Nauka publ., 1979, 245 p. 2. Keler, V. R. Sergey Vavilov. 2nd ed. Moscow, Molodaya Gvardiya publ., 1975, 320 p. 3. Levshin, L. V. S. I. Vavilov. Moscow, Publishing House of the USSR Academy of Sciences, 1952, 252 p. 4. In memory of Sergey Vavilov. Collection of articles [Pamjati Sergeja Ivanovicha Vavilova. Sbornik statej]. Moscow, Publishing House of the USSR Academy of Sciences, 1952, 252 p. 5. Nesmeyanov, A. N. S. I. Vavilov - an outstanding scientist and organizer of science [S. I. Vavilov - vydajushhijsja uchenyj i organizator nauki]. Uspehi fizicheskih nauk, 1961, Vol. 75, Iss. 2, pp. 205-213. 6. Election of academician S. I. Vavilov as president of the Academy of Sciences of the USSR [Izbranie akademika S. I. Vavilova na post prezidenta Akademii nauk SSSR]. Vestnik AN SSSR, 1945, Iss. 7-8, pp. 22-26. 7. Vavilov, S. I. Our plans, our prospects [Nashi plany, nashi perspektivy]. Vestnik AN SSSR, 1946, Iss. 3, pp. 9-11. 8. Vavilov, S. I. Petr Lebedev. People of Russian Science: Essays on prominent figures of science and technology. Vol. 1, Moscow-Leningrad, 1948, pp. 241-249. 9. Vavilov, S. I. Mikhail Lomonosov (1711-1765). People of Russian Science: Essays on prominent figures of science and technology. Vol. 1, Moscow-Leningrad, 1948, pp. 63-82. 10. Vavilov, S. I. In memory of academician P. P. Lazarev [Pamjati akademika P. P. Lazareva]. Vestnik AN SSSR, 1942, Iss. № 7-8, pp. 97-102. 11. Vavilov, S. I. Galileo in the history of optics [Galilej v istorii optiki]. Galileo Galilei. 1564-1642: The collection, dedicated to the 300 th anniversary of the death of Galileo. Moscow-Leningrad, 1943, pp. 5-56. 12. Veselovsky, O. N., Shneiberg, Ya. A. Essays on the history of electrical engineering [Ocherki po istorii elektrotehniki]. Moscow, Izd-vo MEI, 1993, 252 p.

In modern conditions, the importance of the activities of the Prosecutor's office in solving the entire complex of tasks of state and social development of the country is increasing. One of the most important activities of the Prosecutor's office is the activity covered by the concept of “general supervision of the Prosecutor's office”, which is currently presented mainly as a scientific category, which, however, has not received its legislative consolidation. In order to get a more complete picture of the general supervision of the Prosecutor's office in the historical and legal aspect, it is proposed to consider the results of a discussion on some issues of general supervision of the prosecutor's office held at the Institute of Law of the Academy of Sciences of the USSR and the Military Law Academy of the Red Army in 1945, where the issues of the correlation between the supervisory activities of the Prosecutor's office and state control; the powers of the prosecutor in the field of general supervision; forms of prosecutorial response; requirements imposed on employees of the Prosecutor's office; and also raised the question of the existence of general supervision of the Prosecutor's office in the military, especially in wartime conditions.

Lattice rules are widely studied in the context of quasi-Monte Carlo methods as a means to achieve a small integration error. The rules themselves are determined completely by so called generating vectors, so there is an interest in methods for constructing vectors that perform well. This article introduces a new component-wise construction of a generating vector using the principles of Monte Carlo tree search, with the goal of avoiding local optima. Error bounds are proven for the vectors obtained from this method, which are analogous to existing results for the popular component by component construction. References J. Dick. On the convergence rate of the component-by-component construction of good lattice rules. J. Complex. 20 (2004), pp. 493–522. doi: 10.1016/j.jco.2003.11.008 J. Dick, F. Y. Kuo, and I. H. Sloan. High-dimensional integration: The quasi-Monte Carlo way. Acta Numer. 22 (2013), pp. 133–288. doi: 10.1017/S0962492913000044 M. Giles, F. Y. Kuo, I. H. Sloan, and B. J. Waterhouse. Quasi-Monte Carlo for finance applications. ANZIAM J. 50 (2008), pp. C308–C323. doi: 10.21914/anziamj.v50i0.1440 N. M. Korobov. Approximate evaluation of repeated integrals. Doklady Akademii Nauk SSSR 124 (1959), pp. 1207–1210 F. Y. Kuo. Component-by-component constructions achieve the optimal rate of convergence for multivariate integration in weighted Korobov and Sobolev spaces. J. Complex. 19 (2003), pp. 301–320. doi: 10.1016/S0885-064X(03)00006-2 D. Nuyens and R. Cools. Fast algorithms for component-by-component construction of rank-1 lattice rules in shift-invariant reproducing kernel Hilbert spaces. Math. Comput. 75 (2006), pp. 903–920. doi: 10.1090/S0025-5718-06-01785-6 I. H. Sloan and A. V. Restzov. Component-by-component construction of good lattice rules. Math. Comput. 71 (2002), pp. 263–273. doi: 10.1090/S0025-5718-01-01342-4 I. H. Sloan and H. Woźniakowski. When are quasi-Monte Carlo algorithms efficient for high-dimensional integrals? J. Complex. 14 (1998), pp. 1–33. doi: 10.1006/jcom.1997.0463 X. Wang and I. H. Sloan. Efficient weighted lattice rules with applications to finance. SIAM J. Sci. Comput. 28 (2006), pp. 728–750. doi: 10.1137/S1064827502418197

Among Erymidae Van Straelen, 1925 (Van Straelen V. 1925. Contribution à l'étude des crustacés décapodes de la période jurassique. Mémoires de la Classe des Sciences de l'Académie royale de Belgique 7: 1–462), typical Mesozoic crustaceans, the genus Eryma Meyer, 1840 (Meyer H. von. 1840a. Briefliche Mittheilungen. Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefactenkunde 576–587) includes the largest number of species, mainly from Jurassic deposits. However, the lack of clear diagnoses for erymid genera has led to mistakes in generic assignments and to the establishment of redundant genera. The review of the concept of Eryma herein presents an attempt to clarify its diagnosis, mainly supported by the carapace groove pattern and the morphology of chelae of the first pair of pereiopods, and to emphasize its systematic implications. Thus, we maintain the synonymy of Klytia Meyer, 1840, Bolina Münster, 1839 (Münster G. 1839. Decapoda Macrura. Abbildung und Beschreibung der Fossilen Langschwänzigen Krebse in den Kalkschiefern von Bayern. Beiträge zur Petrefaktenkunde 2: 1–88) (sensu Étallon [Étallon A. 1859. Description des crustacés fossiles de la Haute-Saône et du Haut-Jura. Bulletin de la Société géologique de France 16: 169–205]), and Erymastacus Beurlen, 1928 (Beurlen K. 1928. Die Decapoden des Schwäbischen Jura mit Ausnahme der aus den oberjurassischen Plattenkalken stammenden. Palaeontographica 70: 115–278) with Eryma. Moreover, a review of the genera Protoclytiopsis Birshtein, 1958 (Birshtein JA. 1958. Ein Vertreter der ältesten Ordo der Crustacea Decapoda Protoclitiopsis antiqua gen. nov. sp. nov. aus dem Permo West-Sibiriens. Doklady Akademii Nauk, SSSR 122: 477–480), and Galicia Garassino and Krobicki, 2002 (Garassino A, Krobicki M. 2002. Galicia marianae n. gen., n. sp. (Crustacea, Decapoda, Astacidea) from the Oxfordian (Upper Jurassic) of the Southern Polish Uplands. Bulletin of the Mizunami Fossil Museum 29: 51–59), reveals the presence of a junction between the postcervical and branchiocardiac grooves. This feature is diagnostic of Eryma and supports the integration of these genera into the synonymy of Eryma. The addition of Protoclytiopsis to the synonymy of Eryma makes Eryma antiquum (Birshtein, 1958) nov. comb. the oldest representative of the genus and of the family, extending its stratigraphic range to the Late Permian (Changhsingian). Thus, this work also emphasizes that Erymidae crossed the Permian-Triassic boundary.

Целью настоящей работы было термографическое исследование T-x диаграммы системы Ga – Se в диапазоне температур от 500 до 1100 °С и в диапазоне составов от 48.0 до 61.5 mol % Se. Методом исследования являлся дифференциальный термический анализ c компьютерной регистрацией данных. Получены свидетельства о наличии ретроградного солидуса фазы g-GaSe со стороны селена (с областью гомогенности в несколько десятых mol % при температурах выше эвтектической) и о независимом существовании близких по составу фаз e-GaSe и g-GaSe. При этом более богатая галлием фаза e-GaSe испытывает перитектический распад с образованием расплава (L2) и g-GaSe. Для темпера-туры предполагаемой перитектической реакции получено значение 921 ±2 °С. Вместе стем, на данном этапе работ не получено никаких данных в пользу существования ожидавшейся (по аналогии с системой Ga – S) высокотемпературной модификации, близкой по составу к сесквиселениду галлия (Ga2S3). Другие результаты, полученные в настоящей работе (характер и температуры плавления промежуточных фаз, температуры эвтектического и монотектического превращений, а также координата эвтектического состава), хорошо согласуются с литературными данными по исследованной системе ЛИТЕРАТУРА1. Kainzbauer P., Richter K. W., Ipser H. The binary Bi-Rh phase diagram: stable and metastable phases //J. Phase Equilibria and Diffusion, 2018, v. 39(1), pp. 17– 34. DOI: https://doi.org/10.1007/s11669-017-0600-52. Dolyniuk J.-A., Kaseman D. C., Sen S., Zhao J., Osterloh F. E., Kovnir K. mP-BaP3: A new phase froman old binary system // Chem. Eur. J., 2014, v. 20, pp. 10829–10837, DOI: https://doi.org/10.1002/chem.2013050783. Березин С. С., Завражнов А. Ю., Наумов А. В., Некрылов И. Н., Брежнев Н. Ю. Фазовая диаграммасистемы Ga–S в области 48.0–60.7 мол. % S // Конденсированные среды и межфазные границы, 2017,т. 19(3), с. 321–335. DOI: https://doi.org/10.17308/kcmf.2017.19/2084. Волков В. В., Сидей В. И., Наумов А. В., Некрылов И. Н., Брежнев Н. Ю., Малыгина Е. Н., Завражнов А. Ю. Высокотемпературная кубическая модификация сульфида галлия (Xs = 59 мол. %) и Т, х-диаграмма системы Ga – S // Конденсированные среды и межфазные границы, 2019, т. 21(1), с. 37–50.DOI: https://doi.org/10.17308/kcmf.2019.21/7155. Zavrazhnov A., Berezin S., Kosyakov A., Naumov A., Berezina M., Brezhnev N. J. The phase diagramof the Ga–S system in the concentration range of 48.0–60.7 mol % S // Thermal Analysis and Calorimetry,2018, v. 134(1), pp. 483–492. DOI: https://doi.org/10.1007/s10973-018-7124-z6. Okamoto H. Ga–Se (Gallium-Selenium) // J. Phase Equilibria and Diffusion, 2009, v. 30, p. 658. DOI:https://doi.org/10.1007/s11669-009-9601-37. Dieleman J., Sanders F. H. M. Phase diagram of the Ga-Se system // Phillips J. Res., 1982, v. 37(4),pp. 204 – 229.8. Zavrazhnov A. Yu. Turchen D. N., Goncharov Eu. G., Zlomanov V. P. Manometric method for thestudy of P-T-x diagrams // J. Phase Equilibria and Diffusion, 2001, v. 22(4), pp. 482–490. DOI: https://doi.org/10.1361/1054971017703330639. Shtanov V. I, Komov A. A, Tamm M. E., Atrashenko D. V., Zlomanov V. P. Gallium-selenium systemphase diagram and photoluminescence spectra of GaSe crystals // Doklady Akademii nauk SSSR, 1998, v. 361(3),pp. 357–361. (in Russ.)10. Glazov V. M., Pavlova L. M. Semiconductor and metal binary systems. Phase equilibria and chemicalthermodynamics. Springer, 1989, 327 p. DOI: https://doi.org/10.1007/978-1-4684-1680-011. Ider M. Pankajavalli R., Zhuang W. Thermochemistry of the Ga–Se System. J. Solid State Scienceand Techn., 2015, v. 4(5), Q51–Q60 DOI: https://doi.org/10.1149/2.0011507jss12. Zavrazhnov A., Naumov A., Sidey V., Pervov V. Composition control of low-volatile solids throughchemical vapor transport reactions. III. The example of gallium monoselenide: Control of the polytypicstructure, non-stoichiometry and properties // Thermochimica Acta, 2012, v. 527, pp. 118–124. DOI:https://doi.org/10.1016/j.tca.2011.10.012

Compounds of the Tl4LnTe3 (Ln-Nd, Sm, Tb, Er, Tm) composition were synthesized by the direct interaction of stoichiometric amounts of thallium telluride Tl2Te elementary rare earth elements (REE) and tellurium in evacuated (10-2 Pa) quartz ampoules. The samples obtained were identified by differential thermal and X-ray phase analyses. Based on the data from the heating thermograms, it was shown that these compounds melt with decomposition by peritectic reactions. Analysis of powder diffraction patterns showed that they were completely indexed in a tetragonal lattice of the Tl5Te3 type (space group I4/mcm). Using the Le Bail refinement, the crystal lattice parameters of the synthesized compounds were calculated.It was found that when the thallium atoms located in the centres of the octahedra were substituted by REE atoms, there occurred a sharp decrease in the а parameter and an increase in the с parameter. This was due to the fact that the substitution of thallium atoms with REE cations led to the strengthening of chemical bonds with tellurium atoms. This was accompanied by some distortion of octahedra and an increase in the с parameter. A correlation between the parameters of the crystal lattices and the atomic number of the lanthanide was revealed: during the transition from neodymium to thulium, therewas an almost linear decrease in both parameters of the crystal lattice, which was apparently associated with lanthanide contraction. The obtained new compounds complement the extensive class of ternary compounds - structural analogues of Tl5Te3 and are of interest as potential thermoelectric and magnetic materials. References1. Berger L. I., Prochukhan V. D. Troinye almazopodobnyepoluprovodniki [Ternary diamond-like semiconductors].Moscow: Metallurgiya; 1968. 151 p. (In Russ.)2. Villars P, Prince A. Okamoto H. Handbook ofternary alloy phase diagrams (10 volume set). 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Crystal structure ofcopper tetrathallium tritelluride, CuTl4Te3. CuTl4Te3.Zeitschrift für Kristallographie - Crystalline Materials.1994;209(1): 97. DOI: https://doi.org/10.1524/zkri.1994.209.1.9718. Bradtmöller S., Böttcher P. Crystal structure ofmolybdenum tetrathallium tritelluride, MoTl4Te3.Zeitschrift für Kristallographie – Crystalline Materials.1994;209(1): 75. DOI: https://doi.org/10.1524/zkri.1994.209.1.7519. Babanly M. B., Imamalieva S. Z., Sadygov F. M.New thallium tellurides with indium and aurum.Chemical Problems (Kimya Problemlәri). 2009; 171–174.(In Russ., abstract in Eng.)20. Guo Q., Chan M., Kuropatwa B. A., Kleinke H.Enhanced thermoelectric properties of variants ofTl9SbTe6 and Tl9BiTe6. Chemistry of Materials.2013;25(20): 4097–4104. DOI: https://doi.org/10.1021/cm402593f21. Guo Q., Assoud A., Kleinke H. Improved bulkmaterials with thermoelectric figure-of-merit greaterthan 1: Tl10–xSnxTe6 and Tl10–xPbxTe6. Advanced EnergyMaterials. 2014;4(14): 1400348-8. 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D., and McQueen T. M.Superconducting dome and crossover to an insulatingstate in [Tl4]Tl1-xSnxTe3. APL Materials. 2015;3(4):041507. DOI: https://doi.org/10.1063/1.491339230. Arpino K. E., Wallace D. C., Nie Y. F., Birol T.,King P. D. C., Chatterjee S., Uchida M., Koohpayeh S.M., Wen J.-J., Page K., Fennie C. J., Shen K. M.,McQueen T. M. Evidence for topologically protectedsurface states and a superconducting phase in [Tl4](Tl1-xSnx)Te3 using photoemission, specific heat, andmagnetization measurements, and density functionaltheory. Physical Review Letters. 2014;112(1): 017002-5.DOI: https://doi.org/10.1103/physrevlett.112.01700231. Niu C., Dai Y., Huang B. et al. Natural threedimensionaltopological insulators in Tl4PbTe3 andTl4SnTe3. Frühjahrstagung der Deutschen PhysikalischenGesellschaft. Dresden, Germany, 30 Mar 2014 – 4 Apr2014.32. Imamalieva S. Z. Phase diagrams in thedevelopment of thallium-REE tellurides with Tl5Te3structure and multicomponent phases based on them.Overview. 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