Готові списки джерел за темами / Weakly regular set

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Добірка наукової літератури з теми "Weakly regular set"

Автор: Grafiati

Опубліковано: 28 травня 2022

Оновлено: 31 липня 2025

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Статті в журналах з теми "Weakly regular set"

Klimkin, V. M., and T. A. Sribnaya. "Convergence of a sequence of weakly regular set functions." Mathematical Notes 62, no. 1 (1997): 87–92. http://dx.doi.org/10.1007/bf02356068.

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Enayat, Ali. "Weakly compact cardinals in models of set theory." Journal of Symbolic Logic 50, no. 2 (1985): 476–86. http://dx.doi.org/10.2307/2274236.

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The central notion of this paper is that of a κ-elementary end extension of a model of set theory. A model is said to be a κ-elementary end extension of a model of set theory if > and κ, which is a cardinal of , is end extended in the passage from to , i.e., enlarges κ without enlarging any of its members (see §0 for more detail). This notion was implicitly introduced by Scott in [Sco] and further studied by Keisler and Morley in [KM], Hutchinson in [H] and recently by the author in [E]. It is not hard to see that if has a κ-elementary end extension then κ must be regular in . Keisler and M

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Et.al, Vijayakumari T. "Relations of Pre Generalized Regular Weakly Locally Closed Sets in Topological Spaces." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 3 (2021): 3444–54. http://dx.doi.org/10.17762/turcomat.v12i3.1616.

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In this paper pgrw-locally closed set, pgrw-locally closed*-set and pgrw-locally closed**-set are introduced. A subset A of a topological space (X,t) is called pgrw-locally closed (pgrw-lc) if A=GÇF where G is a pgrw-open set and F is a pgrw-closed set in (X,t). A subset A of a topological space (X,t) is a pgrw-lc* set if there exist a pgrw-open set G and a closed set F in X such that A= GÇF. A subset A of a topological space (X,t) is a pgrw-lc**-set if there exists an open set G and a pgrw-closed set F such that A=GÇF. The results regarding pgrw-locally closed sets, pgrw-locally closed*

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DUCLOS, P., O. LEV, P. ŠŤOVÍČEK, and M. VITTOT. "WEAKLY REGULAR FLOQUET HAMILTONIANS WITH PURE POINT SPECTRUM." Reviews in Mathematical Physics 14, no. 06 (2002): 531–68. http://dx.doi.org/10.1142/s0129055x02001363.

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We study the Floquet Hamiltonian -i∂t + H + V(ωt), acting in L2([0,T],ℋ, dt), as depending on the parameter ω = 2π/T. We assume that the spectrum of H in ℋ is discrete, [Formula: see text], but possibly degenerate, and that t ↦ V(t) ∈ ℬ(ℋ) is a 2π-periodic function with values in the space of Hermitian operators on ℋ. Let J > 0 and set [Formula: see text]. Suppose that for some σ > 0 it holds true that ∑hm > hnMmMn (hm - hn)-σ < ∞ where Mm is the multiplicity of hm. We show that in that case there exist a suitable norm to measure the regularity of V, denoted ∊V, and positive consta

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Quynh Nga, Nguyen, and Nguyen Minh Chuong. "Some Fixed Point Theorems for Noncompact and Weakly Asymptotically Regular Set-Valued Mappings." Numerical Functional Analysis and Optimization 24, no. 7-8 (2003): 895–905. http://dx.doi.org/10.1081/nfa-120026384.

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FORSSELL, HENRIK, and PETER LEFANU LUMSDAINE. "CONSTRUCTIVE REFLECTIVITY PRINCIPLES FOR REGULAR THEORIES." Journal of Symbolic Logic 84, no. 4 (2019): 1348–67. http://dx.doi.org/10.1017/jsl.2019.70.

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AbstractClassically, any structure for a signature ${\rm{\Sigma }}$ may be completed to a model of a desired regular theory ${T}}$ by means of the chase construction or small object argument. Moreover, this exhibits ${\rm{Mod}}\left(T)$ as weakly reflective in ${\rm{Str}}\left( {\rm{\Sigma }} \right)$.We investigate this in the constructive setting. The basic construction is unproblematic; however, it is no longer a weak reflection. Indeed, we show that various reflectivity principles for models of regular theories are equivalent to choice principles in the ambient set theory. However, the emb

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RINOT, ASSAF. "CHAIN CONDITIONS OF PRODUCTS, AND WEAKLY COMPACT CARDINALS." Bulletin of Symbolic Logic 20, no. 3 (2014): 293–314. http://dx.doi.org/10.1017/bsl.2014.24.

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AbstractThe history of productivity of theκ-chain condition in partial orders, topological spaces, or Boolean algebras is surveyed, and its connection to the set-theoretic notion of a weakly compact cardinal is highlighted. Then, it is proved that for every regular cardinal$\kappa > \aleph _1 {\rm{,}}$the principle □(k) is equivalent to the existence of a certain strong coloring$c\,:\,[k]^2 \, \to $kfor which the family of fibers${\cal T}\left( c \right)$is a nonspecialκ-Aronszajn tree.The theorem follows from an analysis of a new characteristic function for walks on ordinals, and implies i

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Luangchaisri, Panuwat, and Thawhat Changphas. "Prime one-sided ideals in ordered semigroups." Quasigroups and Related Systems 32, no. 1(51) (2024): 49–57. https://doi.org/10.56415/qrs.v32.05.

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We prove that the following are equivalent: (1) an ordered semigroup S with zero and identity is right weakly regular; (2) (AA] = A for any right ideal A of S; (3) A \ I = (AI] for any right ideal A and two-sided ideal I of S; (4) B \ I (BI] for any bi-ideal B and two-sided ideal I of S; (5) B\I \A (BIA] for any bi-ideal B, right ideal A and two-sided ideal I of S; and prove that S is a fully prime right ordered semigroup if and only if S is right weakly regular and the set of all two-sided ideals of S is totally ordered.

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Fleischer, Lukas, and Manfred Kufleitner. "The complexity of weakly recognizing morphisms." RAIRO - Theoretical Informatics and Applications 53, no. 1-2 (2018): 1–17. http://dx.doi.org/10.1051/ita/2018006.

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Weakly recognizing morphisms from free semigroups onto finite semigroups are a classical way for defining the class of ω-regular languages, i.e., a set of infinite words is weakly recognizable by such a morphism if and only if it is accepted by some Büchi automaton. We study the descriptional complexity of various constructions and the computational complexity of various decision problems for weakly recognizing morphisms. The constructions we consider are the conversion from and to Büchi automata, the conversion into strongly recognizing morphisms, as well as complementation. We also show that

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S. R, SREENA, DR SATHEESH E. N та DR VARUGHESE MATHEW. "REVIEW OF WπGR CLOSED SETS IN TOPOLOGICAL SPACES". JOURNAL OF ADVANCES IN MATHEMATICS 23 (6 квітня 2024): 70–73. http://dx.doi.org/10.24297/jam.v23i.9600.

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In this paper we introduce a new class of sets called weakly π generalized regular closed (wπgr closed) sets. A subset A of X is called wπgr closed set if cl( int A) ⊆U whenever A⊆U and U is πgr open in X. The complement of wπgr-closed set is called wπgr-open set in X. We denote the family of all wπgr closed sets in X by wπGRC(X) and wπgr open sets in X by wπGRO(X))

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Більше джерел

Дисертації з теми "Weakly regular set"

Гостєв, Е. С., Оксана Анатоліївна Боженко, Оксана Анатольевна Боженко та Oksana Anatoliivna Bozhenko. "Слабко регулярні множини". Thesis, Сумський державний університет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/65598.

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Поняття слабко регулярної множини у комплексній площині дає можливість будувати приклади інтерполяційних множин у класах цілих функцій нульового порядку. Для їх побудови використовувалась інтерполяційна теорема Карлесона в термінах міри, що породжується цими вузлами.

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Книги з теми "Weakly regular set"

Papathomas, Thomas V. The Hollow-Mask Illusion and Variations. Oxford University Press, 2017. http://dx.doi.org/10.1093/acprof:oso/9780199794607.003.0087.

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When viewers see a hollow mask, they misperceive it as a regular convex face. This is the basic form of the hollow-mask illusion, but the illusion involves misperceived motion as well. Namely, when stationary observers view a rotating hollow mask, they perceive a convex face that appears to rotate in the opposite direction; in a dual situation, moving observers perceive a stationary hollow mask as a convex face that appears to rotate as if to “follow” them. This chapter reviews the hollow-mask illusion and examines factors that enhance or weaken it, pathological responses to it, developmental

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Pieth, Mark. Extractive Industries. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190458331.003.0010.

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This chapter focuses on extractive industries, which are among the business sectors most exposed to corruption. Typically, they are dependent on licenses by government agencies, frequently in states with little income other than royalties from mining or from the oil industry. Often these states are located in the global South with weak government structures. It is a common feature in these states that a small elite rapidly become extraordinarily rich, while the population at large remains in deep poverty. Oil and mining companies, traders, and the finance industries may not actually be in the

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Частини книг з теми "Weakly regular set"

"Stochastic layer to stochastic sea transition." In Weak Chaos and Quasi-Regular Patterns. Cambridge University Press, 1991. http://dx.doi.org/10.1017/cbo9780511599996.005.

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Balasko, Yves. "The Fine Picture." In General Equilibrium Theory of Value. Princeton University Press, 2011. http://dx.doi.org/10.23943/princeton/9780691146799.003.0008.

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This chapter restricts the m-tuple (fi) of demand functions defining the exchange model to belong to ε‎<sub>c</sub>. In addition to the assumptions made in the previous chapters (recall that ε‎<sub>c</sub> is a subset of ε‎<sub>r</sub>), the demand function fi satisfies the weak axiom of revealed preferences for every consumer, and the slightly stronger negative definiteness of the Slutsky matrix for the consumer whose demand function satisfies desirability (A). These stronger assumptions are aimed at giving more economic flesh to the exchange model. As a consequence, the natural projection in

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Whorton, James C. "From Roughage to Softage: The Rise of Dietary Fiber." In Inner Hygiene. Oxford University PressNew York, NY, 2000. http://dx.doi.org/10.1093/oso/9780195135817.003.0009.

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Abstract In 1900, J. Ellis Barker was 30 years old and already a wreck, an object lesson in the wages of misspent youth. From early childhood, he had eaten freely of sweets and “did not pay attention to securing regular evacuations” (“I prided myself upon being able to suppress my need as long as I liked”). Consequently, he “became plagued with constipation,” and resorted to the habitual taking of purgatives to keep himself open. “In course of time,” inevitably, “I began to suffer from autointoxication.” His digestion worsened, he developed jaundice and rheumatism, gout set in, and he lost 30

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Giménez, Francisca Pou. "Global Proportionality Canons from Latin America." In Global Canons in an Age of Contestation. Oxford University PressOxford, 2024. http://dx.doi.org/10.1093/9780191956942.003.0015.

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Abstract Global descriptions of proportionality as a methodology, and the rulings that are flagged up to illustrate its operation, are regularly extracted from a handful of countries—North-Atlantic democracies and Global South jurisdictions whose rulings are available in English. This leaves in the shadow important dimensions of the practice, and supports contentions about global traits that are not always exact. This chapter discusses questions to be considered when thinking about enriching the global canon on proportionality with contributions from Latin America. It provides information abou

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Chu, C. Y. Cyrus. "Occupation-Specific Population Models: Population and Dynastic Cycles." In Population Dynamics. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195121582.003.0014.

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As Lee (1987) pointed out, vital rates of the human population are often determined by forces such as culture, institutions, technology, and individual rationality, forces that have little to do with density pressure or prior growth. Perhaps most people also expect “rational” human practice to weaken the biological responses of both fertility and mortality to density pressure, while strengthening the nonbiological response through institutional regulations. But can human institutional designs and rational responses really reduce the impact of natural checks? As we study the pattern of populati

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Debost, Michel. "Air Column." In The Simple Flute. Oxford University PressNew York, NY, 2002. http://dx.doi.org/10.1093/oso/9780195145212.003.0005.

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Abstract In my terminology, the air column is not only the air inside the instrument, nor is it the flow of air from the lungs to the lips. The air column is a continuous unit from the inner part of the body to the tip of the foot joint. Thereafter it unfortunately escapes our control, even if the medium (air) keeps resonating. The physical definition of musical sound is a vibration carried by a medium (air). I define the air column as every part of the body or of the instrument in contact, directly or indirectly, with air. This includes the air not only in the lungs and in the mouth, but also

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Deeks, Ashley S. "The Hurdles to International Regulation." In The Double Black Box. Oxford University PressNew York, NY, 2025. https://doi.org/10.1093/9780197520932.003.0009.

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Abstract Chapter 6 describes the challenges that states face in developing international rules for the use of national security AI, rules that, if effected, could shrink the size of the double black box. It explores the similarities between international efforts to regulate hostile cyber operations and national security AI, using the former to help predict what will happen in international discussions about the latter. The analogy suggests that (1) a binding global agreement containing new rules about national security AI will be beyond reach unless and until there is a major crisis; (2) basic

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Hagel, Lars. "Separation on the basis of chemistry." In Protein Purification Techniques. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780199636747.003.0011.

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Most chromatographic separations are based on chemical interaction between the solute of interest or impurities to be removed and the separation medium. The exception is separations based upon physical properties such as size (e.g. size exclusion chromatography) or transport in a force field (e.g. electrochromatography). The chemical interaction may be weak (e.g. employing van der Waals forces) or very strong (e.g. involving formation of chemical bonds as in covalent chromatography). Whenever separation is based upon attractive forces between the solute and the separation medium, we talk about

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"Both types of RhnuN cells (amorph and regulator types) lacked the Rh proteins and other proteins, and showed some functional abnormalities. No Rh glycoprotein is immune precipitated by anti-D but it is present in membranes from some RhnuNs as shown by immunoblotting studies with the monoclonal antibody MB-2D10 [30]. The LW protein is missing and some other antibodies only react weakly: anti-U, Duclos, anti-FY5, BRIC 125 (anti-CD47) and the monoclonal antibody 1D8. That so many determinants encoded by genetically independent loci are not fully expressed in RhnuN cells has led to the idea of a protein complex or cluster which involves the Rh proteins, Rh glycoproteins and other proteins [31,32,33]. Since D and CE proteins are integral proteins with about 12 transmembrane domains, it is hypothesised that they and the other proteins interact, perhaps affecting insertion into the membrane. Some of the variation observed in Rh antigens may not depend on mutations in the Rh genes but may reflect alterations in other proteins of the Rh protein complex. D , the most important antigen, has been exhaustively studied. Quantitative and qualitative variation of D is well documented [see 34]. Several other Rh antigens show quantitative and qualitative variation. We have observed variation in C, E, c, e, G, V, VS, Rh17 and Rh29 antigens. Possibly it is a common finding for Rh antigens. Variation of C antigen Table III shows some of the Blood Group Unit’s results of testing samples with rare Rh phenotype against polyclonal anti-C. ComC represents commercial anti-C reagents, all others are single donor antibodies. The first three reagents do not contain any anti-D, the next three contain incomplete anti-D so are not suitable for tests with enzyme treated cells. The different patterns of reaction would make one suspect that these cells carried different variants of C; most variants are also distinguished by their reactions with antibodies to low incidence Rh antigens (Table III). Low incidence antigen JAL (RH48) JAL+ cells have a very weak C antigen, it is most easily detected with commercial reagents (Table III). The antibody in Mrs S Allen’s serum was studied for many years in several laboratories interested in low incidence antigens. There were some hints that it might be an Rh antigen, although Mrs Allen’s husband had been an unremarkable cDe. Eventually several samples expressing the JAL antigen were identified. However, family studies had not proved that JAL was an Rh antigen, although 3 of the propositi had a depressed c antigen and 4 had a depressed C antigen, 2 of whom also had a depressed e antigen [35]. A second immune example of anti-JAL, which caused haemolytic disease of Mrs Pas’ third." In Transfusion Immunology and Medicine. CRC Press, 1995. http://dx.doi.org/10.1201/9781482273441-12.

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Тези доповідей конференцій з теми "Weakly regular set"

Adytia, Didit, and Lawrence. "Fully Nonlinear Dispersive HAWASSI-VBM for Coastal Zone Simulations." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-54704.

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The accuracy of a wave model for simulating waves in deep and coastal areas is highly determined by the dispersive properties as well as by the nonlinearity of the model. The Variational Boussinesq Model (VBM) for waves [1–4], available publicly as HAWASSI-VBM software [5], is based on the Hamiltonian structure of surface gravity waves. The model has tailor-made dispersive properties, which can be set to be sufficiently accurate for simulating a desired wave field. In this paper, we extend the nonlinear property of the HAWASSI-VBM from weakly nonlinear to be fully nonlinear. To show the improv

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Toffoli, A., A. V. Babanin, F. Ardhuin, et al. "Extreme Waves in Sea States Crossing an Oblique Current." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20619.

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Laboratory experiments have been carried out in the directional wave tank at Marintek (Norway) to study the nonlinear dynamics of surface gravity waves and the occurrence of extreme events, when the wave field traverses obliquely an ambient current. A condition of partial opposition has been considered. Tests on regular waves have shown that the current can trigger the formation of large amplitude waves. In random wave fields, however, this only results in a weak deviation from the statistical properties observed in absence of a current.

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Birknes-Berg, Jørn, and Thomas Berge Johannessen. "Methods for Establishing Governing Deck Impact Loads in Irregular Waves." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-42236.

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As offshore reservoirs are depleted, the seabed may subside. Bottom fixed installations which previously have had sufficient clearance between the deck and the surface may be in a situation where wave impact with the deck must be considered at relevant probability levels. The accurate calculation of deck impact loads with a prescribed probability of occurrence taking into account the relevant properties of the incident waves, presents a considerable challenge. The ShorTCrest JIP has addressed both the distribution of the crest height in extreme sea states, the properties of the largest crests

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Hagen, Øistein, Thomas B. Johannessen, and Jørn Birknes-Berg. "Airgap and Wave in Deck Impact Statistics." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-54927.

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As offshore reservoirs are depleted, the seabed may subside. Bottom fixed installations which have previously had sufficient clearance between the deck and the sea surface may be in a situation where wave impact with the deck must be considered at relevant probability levels. Some statistical aspects associated with the calculation of a deck impact load with a prescribed probability of occurrence are the subject of the present paper. The Short Crest JIP addressed the distribution of the crest height in extreme sea states, the properties of the largest crests and the deck impact loading on a cl

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Ghamari, Isar, Odd M. Faltinsen, Marilena Greco, and Claudio Lugni. "Parametric Resonance of a Fishing Vessel With and Without Anti-Roll Tank: An Experimental and Numerical Study." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-62053.

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Parametric resonance (PR) in roll is of concern for fishing vessels, especially in head-sea waves. Here the effect of passive anti-roll free-surface tank is investigated experimentally and numerically on realistic fishing-vessel geometry at zero forward speed. On the numerical side, the onboard tank is simulated using an open source computational fluid dynamic (CFD) development platform, OpenFOAM (Open Field Operation and Manipulation). The internal flow solver is coupled with the seakeeping solver, which is based on the weakly nonlinear method proposed in [1]. Experimentally, two different re

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Nazarov, S. V. "Results of An Asteroid Search on the “Syntez” Telescope of The CrAO RAS." In 52-st All-Russian with international participation student scientific conference "Physics of Space". Ural University Press, 2025. https://doi.org/10.15826/b978-5-7996-3986-0.65.

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In 2022, the modernization of the “Sintez” telescope made it possible to start regular observations. The 350 mm telescope is equipped with a corrector, a filter wheel, an electric focuser and a QHY-600M camera with a Sony imx455 matrix. The combination of light intensity and field of view made it possible to search for unknown asteroids. Together with colleagues, software has been developed using the synthetic tracking method to identify weak moving objects. During the first year of observations, 100 unknown asteroids were discovered, during the second 300. In 2024, a 280 mm telescope based on

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Vashist, Devendra, and Bhaskar Pandey. "An Investigation of Electric Vehicle Battery Safety Standards with Indian Perspective." In SAENIS TTTMS Thermal Management Systems Conference. SAE International, 2024. http://dx.doi.org/10.4271/2024-28-0102.

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<div class="section abstract"><div class="htmlview paragraph">Electric Vehicle battery failure may lead to the release of toxic gas with fire and in some cases lead to explosion. To take care of these safety issues well defined standards and their regular upgradation is done based on recommendation of Automotive Industry Standards Committee (AISC) through Automotive Research Association of India (ARAI). Electric vehicles that are compliance with these standards are also facing safety issues. The aim of the research is to further strengthen the standards so that a vehicle complying

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Glaude, Pierre A., Rene´ Fournet, Roda Bounaceur, and Michel Moliere. "Gas Turbines and Biodiesel: A Clarification of the Relative NOX Indices of FAME, Gasoil, and Natural Gas." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59623.

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There is currently a sustained interest in biofuels as they represent a potential alternative to petroleum derived fuels. Biofuels are likely to help decrease greenhouse gases emissions and the dependence on oil resources. Biodiesels are Fatty Acid Methyl Esters (FAMEs) that are mainly derived from vegetable oils; their compositions depend from the parent vegetables: rapeseed (“RME”), soybean (“SME”), sunflower, palm etc. A fraction of biodiesel has also an animal origin (“tallow”). A key factor for the use of biofuels in gas turbines is their Emissions Indices (NOx, CO, VOC, PM) in comparison

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Xu, Wenfeng, Peng Sun, and Guogang Yang. "Research on the Periodicity of Flow Field in a Compressor Sector Cascade." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-14920.

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Abstract Sector cascade experiments can not only be convenient to measure various aerodynamic parameters but also reveal the real flow characteristics in turbomachinery. However, the sector cascade is only a part of the whole annular cascade. The circumferential angle, the structure of the side guide plate (SGP) and the suction mode on the SGP have a great effect on the periodicity of the flow field. Therefore, the effect of structure on periodicity must be taken into consideration in order to obtain accurate data of the sector cascade experiment. In this paper, a compressor sector cascade com

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Hohnen, T., F. Lichtenthäler, and M. Stark. "Improved Environmental Safety of Pipelines Using Highly Efficient Wire Arc Spraying." In ITSC2022. DVS Media GmbH, 2022. http://dx.doi.org/10.31399/asm.cp.itsc2022p0189.

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Abstract Whenever large amounts of liquids or gases have to be transported over long distances, steel pipelines are used. They supply industry with raw materials, guarantee drinking water supplies to large cities, and convey energy sources around the globe. Despite the most stringent safety regulations, pipelines regularly suffer damage and leaks. Severe environmental pollution occurs when oil or gas pipelines, in particular, are damaged. In the case of both onshore and offshore pipelines, decontaminating the affected areas involves a great deal of time, effort, and cost. Moreover, in most cas

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