17 Works

Обобщенная классификация интерфейсов транспортной инфраструктуры «умного города»

Павел Андреевич Курта & Максим Вадимович Коломеец
Рассматривается задача классификации интерфейсов транспортной инфраструктуры «умного города». На основе анализа научных исследований проводится обзор состояния данной области, включая существующие подходы к классификациям интерфейсов. Выделяются основные элементы: инфраструктура, беспилотное транспортное средство и окружение, которое дополнительно поделено на субъекты и объекты. Описывается схема взаимодействия элементов и указывается расположение на ней интерфейсов. В качестве подхода к классификации используется комбинация обмена информацией между элементами с учетом направления. В результате решения задачи выделяются 9 классов интерфейсов, которые характеризуются необходимостью...

Quantitative assessment of the terrain transformation in proglacial areas (the Djankuat River catchment case study, Caucuses)

Andrei Kedich
Proglacial areas are extremely unstable and characterized by highly intensive geomorphic processes. In this study, we consider a typical proglacial area on the Caucuses – Djankuat river catchment. This research presents the first results for the complex monitoring of exogenic geomorphic process rates within the selected catchment. A repeated UAV survey for selected sites conducted in September 2019 and in August 2020 was the primary method. Also, high-resolution DEMs derived from stereo satellite images and...

Успехи петербургской школы горения и взрыва как области научно-технического прогресса. Вклад Санкт-Петербургского научного совета по горению и взрыву: 1999–2019 гг.

Вячеслав Борисович Улыбин, Татьяна Федоровна Пименова & Тарас Петрович Гайдей
Дан краткий анализ становления и развития современной науки о горении, показано, что основополагающие принципы были заложены в городе на Неве. Проанализированы успехи петербургской школы горения и взрыва, продолжающей оставаться одним из столпов развития данных исследований как в теоретическом плане, так и в прикладных аспектах. Описаны успехи петербургской школы в области энергетического горения, несанкционированного горения, технологического горения и взрыва, химической безопасности. Рассмотрен вклад Санкт-Петербургского научного совета по горению и взрыву за последние двадцать лет с момента...

On the deformation of a composite rod in the framework of gradient thermoelasticity

А.О. Vatulyan & S.А. Nesterov
The gradient thermoelasticity problem for a composite rod based on the applied one-parameter model is investigated. To find the Cauchy stresses, the Vishik-Lyusternik asymptotic approach is used, taking into account the presence of boundary-layer solutions in the vicinity of the rods' boundaries and interface. A new dimensionless parameter equal to the ratio of the second rod length and the gradient parameter are introduced. Simplified formulas are constructed in order to find the distribution of the...

STUDY OF THE INFLUENCE OF TECHNOLOGICAL FEATURES OF LASER STEREOLITHOGRAPHY PROCESS ON FUNCTIONAL CHARACTERISTICS OF PARTS

V.V. Vnuk, E.V. Ippolitov, S.V. Kamaev, M.A. Markov, A.A. Nikulenko, M.M. Novikov & S.A. Cherebylo
The article reports on the effect the building orientation of the part, produced by laser stereolithography technology, has on achieving its best functional characteristics. Based on the example of IPLIT-3 and IPLIT-4 resins, the study shows that in contrast to the literature data on other commercial photocurable resins (PCRs), there is no definite advantage of the vertical orientation of the test samples compared to their horizontal orientation for obtaining the best values of the manufactured...

Numerical optimization of the cantilever piezoelectric generator

A.N. Soloviev, V.A. Chebanenko, I.V. Zhilyaev, A.V. Cherpakov & I.A. Parinov
In this paper, we consider the adequacy of the use of the straight normal hypothesis in the applied theory for the calculation of a cantilever-type piezoelectric generator that takes into account the incomplete piezo-element coating of the substrate, which was obtained earlier, and a numerical optimization procedure for piezoelectric generator is given, taking into account critical failure stresses.

The dry grasslands (Festuco-Brometea) of the North Caucasus: first data on numerical classification and biodiversity patterns

Denys Vynokurov, Tatiana Lysenko, Zoya Dutova, Dmitriy Shylnikov, Galina Doroshina, Irina Urbanavichene, Gennadii Urbanavichus & Nelly Tsepkova
The North Caucasus is still one of the least studied regions in Europe regarding syntaxonomy. We investigated dry grasslands in the central part of the North Caucasus, namely in the Stavropol Kray region of Russia. We sampled 47 vegetation plots (relevés) of 10 m2 size (3.16 × 3.16 m) at elevations from 470 to 1150 m a.s.l. To determine the scale-dependent species richness patterns, we recorded five nested-plot series of 0.0001 to 100 m² in...

Катализаторы разложения однокомпонентных топлив и изделия на их основе, применяемые в технике

Тарас Петрович Гайдей, Вячеслав Алексеевич Дидык, Татьяна Федоровна Пименова & Татьяна Васильевна Здухова
На основе литературных данных приведены наименования и составы катализаторов разложения однокомпонентных топлив и изделия, разработанные на их основе, применяемые в настоящее время в ракетно-космической технике.

Apuleius’ Venus and Speech Characterization

Svetlana Dubova
The article explores the character of Venus in Apuleius’ story of Cupid and Psyche, as well as the lexical tools used for describing her actions and conveying her speech. Venus is one of the main characters; her speeches take prominent positions in the story and require special attention. Although the phenomenon of speech characterization in Latin literature is occasional, it may be assumed that the character of Venus is distinguished by archaic vocabulary. We see...

Ἰφιάνασσα: A Lost Homeric Reading in Lucian?

Maria N. Kazanskaya
The article examines Lucian’s source for the name of the Nereid in DMar. 14, Iphianassa (Ἰφιάνασσα). This name does not appear in the two classical lists of Nereids in Homer (Il. 18. 37–49) and in Hesiod (Th. 240–264), from which Lucian drew the names of all other Nereids of his Dialogi marini, and Lucian is the sole ancient source to mention a Nereid by that name. This led scholars to suspect that the name may...

PISMA DYPLOMATÓW ROSYJSKICH DO POSŁÓW POLSKO-LITEWSKICH Z LAT 1671–1672 JAKO FORMA NEGOCJACJI DYPLOMATYCZNYCH (NA PRZYKŁADZIE DOKUMENTÓW ZE ZBIORÓW BIBLIOTEKI KÓRNICKIEJ)

Koczegarow Kirył
During the Russian-Polish negotiations at the end of 1671 – the beginning of 1672, several Russian memorandums were handed over to Polish-Lithuanian diplomats. All these original documents are preserved in the Library of the Polish Academy of Sciences in Kórnik, Poland, and are studied as some of the most important forms of diplomatic communications between the Muscovite State and the Polish-Lithuanian Commonwealth. The memorandums clearly reveal the Muscovite diplomatic tactic against the Polish-Lithuanian side. They...

Digital core simulator - a promising method for developming hard-to-recover oil reserves technology

V.B. Betelin, V.A. Galkin, A.V. Shpilman & N.N. Smirnova
Territory of Russia, which occupies 12.8% of the Earth's territory, contains 12-13% of the forecast resources, and about 12% of the discovered oil reserves. Russia's proven oil reserves amount to approximately 13.9 billion tons of oil as of January 1, 2017 (~101 billion barrels). Oil recovery factor for proved reserves is ~17%. The increase of oil recovery factor represents a huge stockpile for raising the level of oil production in the country at low costs....

Technology as a new Language of Communication between the Human Being and the World

Andrey Pavlenko
This essay for the inaugural issue of Technology and Language is based on an analysis of the ‚epistemological turn‘ in modern cosmology and modern science, more generally. In view of another epistemological turn towards technology and a combinatorial approach to the creation of artefacts, the question regarding the languages of science and technology suggests itself. - When human beings relate to the world, they effectively address the world or talk to it, and the world...

Deformation instability in crystalline alloys: Luders bands

G.F. Sarafanov & Yu.G. Shondin
A mechanism of localization of plastic deformation at high temperatures is investigated in the framework of the autowave model. A model of the formation and propagation of Luders bands is proposed. It is established that a Luders band is a wavefront of the plastic deformation rate. From this article's point of view, the conditions for the formation of a Luders band are decisive for the interpretation of the fluidity serration. The critical value of the...

СЛОВО ЕВСЕВИЯ «О СОШЕСТВИИ ИОАННА ПРЕДТЕЧИ ВО АД»: КРАТКАЯ И ПРОСТРАННАЯ РЕДАКЦИИ

Алена Исаханян
В статье рассматривается история текста Слова Евсевия «О сошествии Иоанна Предтечи во ад». Наблюдения над трансформациями этого компилятивного переводного сочинения в рукописных и старопечатных сборниках позволяют проследить то, как древнерусскими книжниками был усвоен и осмыслен сюжет, пустивший глубокие корни в мировой литературной традиции. Ключевые слова: древнерусские сборники, апокрифы, Сошествие во ад, гомилии, Соборник.

Cicero’s Kritik an das antonische Provokationsgesetz

Natalia Kuznetsova
Cic. Phil. I, 21–23 is the only source for the Antonian bill of 43 BC, which may have allowed the appeal to the people (provocatio) against the condemnation de vi et maiestatis by the jury courts. This bill is practically the only law on the appeal which dates to a relatively well-attested period and offers contemporary evidence. This sounds like a good chance to answer at least some of the many questions concerning the right...

Relict permafrost features identification in landscape and deposits of Borisoglebsk Upland, Central European Russia

Ekaterina V. Garankina , Vasily A. Lobkov , Ilya G. Shorkunov & Vladimir R. Belyaev
Relict permafrost features (RPF) indicated by specific patterns of soil, sedimentary and landform structure are characteristic of Central Russian Plain watersheds. Paleocryogenic polygonal networks appear in a pattern of semi-regular spots, blocks and polygons on the surface usually associated with pseudomorphs of ice wedges or sand casts in correlated deposits. This research aimed at distinguishing RPF in sedimentary structure and its correlation with the modern and paleolandscape structure of 3 ha watershed area exposed in...

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