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Artykuły w czasopismach na temat „Circulare v”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Mahajan., K.D. "Taxonomic Study of Novel Diatom Taxa from Khandesh, Maharashtra: A Contribution to Indian Freshwater Biodiversity." International Journal of Current Science Research and Review 08, no. 05 (2025): 2404–14. https://doi.org/10.5281/zenodo.15495701.

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Abstract : The present study documents novel diatom taxa from freshwater habitats in the Khandesh region of Maharashtra, India, contributing significantly to the understanding of regional and national microalgal biodiversity. Detailed taxonomic analysis led to the identification and description of one new species and four new varieties: <em>Cyclotella kanchanensis </em>sp. nova., <em>Meridion circulare</em> Agardh v. <em>elongatum</em> v. nova., <em>M. circulare</em> v.<em> khaperensis</em> v. nova., <em>M. circulare</em> v. <em>

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Danilov, Y. A., Y. N. Drozdov, M. V. Dorokhin, et al. "Fabrication and Study of Spin Light-Emitting Nanoheterostructures on the Basis of III-V Semiconductors." Solid State Phenomena 168-169 (December 2010): 55–58. http://dx.doi.org/10.4028/www.scientific.net/ssp.168-169.55.

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Circularly polarized electroluminescence from light-emitting diodes based on InGaAs/GaAs heterostructures with adjacent ferromagnetic delta<Mn>-doped layer has been investigated. It was found that delta<Mn>-layer placed near (at 2-10 nm) the quantum well (QW) causes circular polarization of its electroluminescence due to an s,p-d exchange interaction between holes in the quantum well and Mn ions in the delta-layer. The dependence of circular polarization degree on main technology parameters is discussed.

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Majeed, Abdul, Jinling Zhang, Zeeshan Akbar Awan, Saifullah Memon, Muhammad Ishfaq, and Chenchen Wang. "A High-Efficiency Dual-Band Linear-to-Circular Polarization Converter Based on Rectangular-Slot Reflective Metasurface." Applied Sciences 12, no. 18 (2022): 9172. http://dx.doi.org/10.3390/app12189172.

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In this article, a novel and high-efficiency dual-wideband linear-to-circular polarization conversion based on a rectangular-slot reflective metasurface is anticipated, one that can convert linearly polarized (LP) electromagnetic waves into right- and left-hand circularly polarized waves in two non-adjacent frequency bands. The converter is an orthotropic design, with a pair of mutually orthogonal symmetric axes (u and v) along orientations tilted at 45° to the y-axis. The simulated results indicate that the dual-wideband circularly polarized wave is achieved under a y-polarized an electromagn

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Akiyama, Kazunori, Antxon Alberdi, Walter Alef, et al. "First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization." Astrophysical Journal Letters 957, no. 2 (2023): L20. http://dx.doi.org/10.3847/2041-8213/acff70.

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Abstract Event Horizon Telescope (EHT) observations have revealed a bright ring of emission around the supermassive black hole at the center of the M87 galaxy. EHT images in linear polarization have further identified a coherent spiral pattern around the black hole, produced from ordered magnetic fields threading the emitting plasma. Here we present the first analysis of circular polarization using EHT data, acquired in 2017, which can potentially provide additional insights into the magnetic fields and plasma composition near the black hole. Interferometric closure quantities provide convinci

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5

Rapa, María, Maria Stefan, Paula Adriana Popa, et al. "Electrospun Nanosystems Based on PHBV and ZnO for Ecological Food Packaging." Polymers 13, no. 13 (2021): 1–19. https://doi.org/10.3390/polym13132123.

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The electrospun nanosystems containing poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and 1 wt% Fe doped ZnO nanoparticles (NPs) (with the content of dopant in the range of 0–1 wt% Fe) deposited onto polylactic acid (PLA) film were prepared for food packaging application. They were investigated by scanning electron microscopy (SEM), energy dispersive X-ray (EDX), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), antimicrobial analysis, and X-ray photoelectron spectrometry (XPS) techniques. Migration studies conducted in acetic acid 3% (wt/wt) and ethanol 10%

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Khandelwal, Mukesh Kumar, Binod Kumar Kanaujia, Santanu Dwari, Sachin Kumar, and Anil Kumar Gautam. "Triple band circularly polarized compact microstrip antenna with defected ground structure for wireless applications." International Journal of Microwave and Wireless Technologies 8, no. 6 (2015): 943–53. http://dx.doi.org/10.1017/s1759078715000288.

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Asymmetric slits loaded irregular shaped microstrip patch antenna with three different ground structures is proposed. All three antennas show triple band characteristics. First antenna with regular ground plane resonates at 1.95, 2.4, and 4.90 GHz with good radiation characteristics and shows right-hand circular polarization at 1.95 GHz. 18.75% of compactness is achieved with triple band characteristics. Further, same patch is used with different defected ground structures. Second antenna resonates at 1.85, 2.4, and 4.85 GHz with suppressed cross-polarization level and antenna shows right-hand

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Mathias, P., M. Aurière, A. López Ariste, et al. "Evolution of the magnetic field of Betelgeuse from 2009–2017." Astronomy & Astrophysics 615 (July 2018): A116. http://dx.doi.org/10.1051/0004-6361/201732542.

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Context. Betelgeuse is an M-type supergiant that presents a circularly polarized (Stokes V) signal in its line profiles, interpreted in terms of a surface magnetic field. Aims. The weak circular polarization signal has been monitored over 7.5 years in order to follow its evolution on different timescales, and eventually to determine its physical origin. Linear polarization measurements have also been obtained regularly in the last few years. Methods. We used both the ESPaDOnS and Narval spectropolarimeters to obtain high signal-to-noise ratio spectra, which were processed by means of the least

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8

Santos, Marco Antônio dos, Leila Maria Rissi Caverni, and Maria Cristina Sanna. "Ofício-circular." História da Enfermagem: Revista Eletrônica (HERE) 4, no. 1 (2013): 01–17. https://doi.org/10.51234/here.2013.v.4.265.

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O estudo objetiva descrever o conteúdo de documentos enviados às escolas de enfermagem do país, por Waleska Paixão, relatora da Comissão de Especialistas de Ensino de Enfermagem (CEEEnfermagem) do Ministério da Educação e Cultura, e analisá‐los à luz do contexto sociopolítico da época. O intuito da comissão era realizar um inquérito sobre as condições das escolas de enfermagem, para recomendar a distribuição de verbas pelo Ministério da Educação e Cultura. Para desenvolver esse estudo histórico, realizado por meio de análise documental, utilizou‐se, como fonte primária, um ofício, datado de 9

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9

Ivchenko, Eugeniyus L. "Circular photogalvanic effect in nanostructures." Uspekhi Fizicheskih Nauk 172, no. 12 (2002): 1461. http://dx.doi.org/10.3367/ufnr.0172.200212h.1461.

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Ko, N. W. M., Y. C. Leung, and J. J. J. Chen. "Flow past V-groove circular cylinders." AIAA Journal 25, no. 6 (1987): 806–11. http://dx.doi.org/10.2514/3.9704.

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Aboelhassan, Mustafa Osman Elrayah. "Motion along curved path pohyb v zatáčce." South Florida Journal of Development 3, no. 4 (2022): 4188–93. http://dx.doi.org/10.46932/sfjdv3n4-001.

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We all experience motion along a curved path in our daily life. The motion is not exactly a circular motion. However, we can think of curved path as a sequence of circular motions of different radii. As such, motion of vehicles like that of car, truck etc, on a curved road can be analyzed in terms of the dynamics of circular motion. Clearly, analysis is done for the circulr segment with the smallest radius as it represents the maximum curvature. It must be noted that „curvature“ and „radius of curvature“ are inverse to each other.

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Liu, Pengfeng, Yuxiang Zhai, Hongjin Zhu, et al. "An Underwater Polarization Imaging Technique Based on the Construction and Decomposition of the Low-Rank and Sparse Matrix in Stokes Space for Polarization State Imaging." Sensors 25, no. 3 (2025): 704. https://doi.org/10.3390/s25030704.

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Traditional underwater polarization imaging methods can only provide clear degree of polarization (DOP) and intensity images of the object but cannot provide images of the polarization state of the object. This paper proposes a method to extract clear object information from turbid water in all four Stokes parameter (I, Q, U, and V) channels by using the full Stokes camera, enabling clear polarization state image reconstruction. The method utilizes multiple images from different angles to construct a low-rank and sparse matrix. Then, by decomposing this matrix into sparse and low-rank componen

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13

Shabbir, Javid, Jamshaid UL Hassan, Mahmood UL Hassan, Khadija Noreen, Sajid Hussain, and Rashid Ahmed. "An Algorithm Coded with R to Generate GN2 -designs in Circular Blocks." VFAST Transactions on Mathematics 11, no. 2 (2023): 16–27. http://dx.doi.org/10.21015/vtm.v11i2.1465.

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Minimal neighbor balanced designs are economical, therefore, these are preferred by the experimenters to minimize the bias due to neighbor effects. Minimal circular balanced neighbor designs cannot be constructed for almost every case of v even, where v is number of the treatments to be compared. For v even, the circular GN2-designs in which each treatment appears exactly once as neighbors with all other treatments except the one with which it appears twice, are considered the better alternate to the minimal balanced neighbor designs. In this article, an algorithm is developed to generate the

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14

Amanathulla, S., B. Bera, and M. Pal. "L(2,1,1)-Labeling of Circular-Arc Graphs." Journal of Scientific Research 13, no. 2 (2021): 537–44. http://dx.doi.org/10.3329/jsr.v13i2.50483.

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Graph labeling problem has been broadly studied in recent past for its wide applications, in mobile communication system for frequency assignment, radar, circuit design, X-ray crystallography, coding theory, etc. An L211-labeling (L211L) of a graph G = (V, E) is a function γ : V → Z∗ such that |γ(u) − γ(v)| ≥ 2, if d(u, v) = 1 and |γ(u) − γ(v)| ≥ 1, if d(u, v) = 1 or 2, where Z∗ be the set of non-negative integers and d(u, v) represents the distance between the nodes u and v. The L211L numbers of a graph G, are denoted by λ2,1,1(G) which is the difference between largest and smallest labels us

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Asfour, Rawad, Salam K. Khamas, Edward A. Ball, et al. "On-Chip Circularly Polarized Circular Loop Antennas Utilizing 4H-SiC and GaAs Substrates in the Q/V Band." Sensors 24, no. 2 (2024): 321. http://dx.doi.org/10.3390/s24020321.

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This paper presents a comprehensive assessment of the performance of on-chip circularly polarized (CP) circular loop antennas that have been designed and fabricated to operate in the Q/V frequency band. The proposed antenna design incorporates two concentric loops, with the outer loop as the active element and the inner loop enhancing the CP bandwidth. The study utilizes gallium arsenide (GaAs) and silicon carbide (4H-SiC) semiconductor wafer substrates. The measured results highlight the successful achievement of impedance matching at 40 GHz and 44 GHz for the 4H-SiC and GaAs substrates, resp

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Fu Hua, 付华, 李浩 Li Hao, 姜利辉 Jiang Lihui, 吴泽威 Wu Zewei, and 李天明 Li Tianming. "Circular TE01 mode transducer at V-band." High Power Laser and Particle Beams 26, no. 6 (2014): 63025. http://dx.doi.org/10.3788/hplpb20142606.63025.

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Chen, Z., and D. E. "Amplification of closed circular DNA in vitro." Nucleic Acids Research 26, no. 23 (1998): v. http://dx.doi.org/10.1093/nar/26.23.v.

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Suvidya, Pawar, Sreemathy R., and Hake Shahadev. "EFFECT OF DIFFERENT SYMMETRIC SLITS ON MICROSTRIP PATCH ANTENNA." EFFECT OF DIFFERENT SYMMETRIC SLITS ON MICROSTRIP PATCH ANTENNA 1, no. 4 (2022): 11. https://doi.org/10.5281/zenodo.6806355.

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In this paper, a basic linearly polarised microstrip square patch antenna operating at 2.4 GHz is proposed. We have modified the basic microstrip square patch antenna with rectangular shape slits, V shape slits and truncated corners to achieve circular polarization. Basically we have designed five different antennas to meet the specification. The various antennas have been simulated, fabricated and the performance has been tested on network analyser (Agilent Technologies: N9912A, SNMY51464189, ROHDE & SCHWARZ: ZVL13, 9 KHz to 13.6GHz,). The simulated and tested performance shows close agre

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19

S. Sheeja. "The Circular Number of a Graph." Advances in Nonlinear Variational Inequalities 28, no. 1s (2024): 293–98. http://dx.doi.org/10.52783/anvi.v28.2338.

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If I_c [S]=V(G), then a set S⊆V (G) is a circular set of G. The circular number of G, represented by cr(G), is the lowest cardinality of a circular set of G. A cr-set of G is any circular set with cardinality cr(G). In this study, we determine the circular number of certain standard graphs. It is demonstrated that there exists a connected graph G such that dn(G)=a, g(G)=b and cr(G)=c for each integer a,b, and c with a>2,b>2, and c>2. The corona of graphs and circular number of joins were also explored.

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Dasari, Kiran, Swetha Ravikanti, Preeti Khanwalkar, Anitha Suresh, Neeraja Bandi, and Anjaneyulu Lokam. "A Low-Profile Compact Micro Strip Circularly Polarized Antenna with Superstrate for 5G Wireless Local Area Network and X-Band Application." Engineering, Technology & Applied Science Research 15, no. 3 (2025): 23894–900. https://doi.org/10.48084/etasr.9956.

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This research paper introduces a novel compact Circularly Polarized (CP) antenna tailored for 5G Wireless Local Area Network (WLAN) and X-band applications. The antenna design includes a circular patch, minimized ground, and a superstrate. Four V-shaped slits are embedded along the boundary of the circular patch, strategically positioned to generate circular polarization operating across multiple frequency bands. The antenna resonates in the ranges between 4.9 GHz and 5.6 GHz, 7.74 GHz and 8 GHz, and 10.9 GHz and 11.2 GHz. The design's effectiveness is verified through a compact antenna with d

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Wu, Wen Bin, Wen Ji Xu, Zhong Ying Wang, and Jin Jin Zhou. "Technology and Study on Circular Arc Flexible Forming of Sheet Metal Using Plasma Arc." Materials Science Forum 532-533 (December 2006): 508–11. http://dx.doi.org/10.4028/www.scientific.net/msf.532-533.508.

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Circular arc flexible forming of sheet metal using plasma arc can be made by combing V-shape curving, the geometrical relationship between circular arc bending part and V-shape is investigated in this paper. In this thesis, the authors analyzed the relationship between a parameter γ and the degree of circular arc smoothness firstly. A simulation program was programmed using the FEA analysis software ANSYS, and the experiments were done. The results showing, when γ = 0.10.12, the forming circular arc is very smooth. The numerical simulation is right for the experimental results.

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Sutner, Klaus. "Classifying circular cellular automata." Physica D: Nonlinear Phenomena 45, no. 1-3 (1990): 386–95. http://dx.doi.org/10.1016/0167-2789(90)90196-v.

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KOIDE, Tsuneharu. "Beyond the Limits in Spectroscopy V. Core-Level Soft X-Ray Magnetic Circular Dichroism with Circularly Polarized Synchrotron Radiation." Journal of the Spectroscopical Society of Japan 52, no. 6 (2003): 377–89. http://dx.doi.org/10.5111/bunkou.52.377.

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Sheridan, Adam T., and Dalvi Humzah. "V-Y-S-plasty closure of circular defects." Australasian Journal of Dermatology 41, no. 4 (2000): 260–61. http://dx.doi.org/10.1046/j.1440-0960.2000.00450.x.

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Gavrilov, S. S., N. N. Ipatov, and V. D. Kulakovskiy. "Spinovyy khaos eksitonnykh polyaritonov v magnitnom pole." Письма в Журнал экспериментальной и теоретической физики 118, no. 9-10 (11) (2023): 649–55. http://dx.doi.org/10.31857/s1234567823210048.

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The spin properties of exciton polaritons in a micropillar cavity placed in a static magnetic field and excited by a resonant light wave are studied theoretically. Owing to the Zeeman effect, a nonlinear polariton system has two branches of optical response that are characterized by opposite circular polarizations. An indirect mechanism of polarization reversal is predicted, according to which the current state of the system undergoes a transition to dynamical chaos, and then the alternative spin state is established spontaneously. Such spin switches, mediated by a chaotic stage, proceed in bo

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Fan, Yi, Xiongying Liu, Jiming Li, and Tianhai Chang. "A Miniaturized Circularly-Polarized Antenna for In-Body Wireless Communications." Micromachines 10, no. 1 (2019): 70. http://dx.doi.org/10.3390/mi10010070.

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A novel miniaturized single-fed circularly-polarized (CP) microstrip patch antenna operating in the Industrial, Scientific, Medical (ISM) band of 2.40–2.48 GHz, is comprehensively proposed for implantable wireless communications. By employing reactive loading in the arrow-shaped slotted patch to form slow wave effect and embedding V-shaped slots into patch to lengthen the current path, the proposed implantable antenna is minimized with the overall dimensions of 9.2 mm × 9.2 mm × 1.27 mm. The radiation patterns of the proposed antenna illustrate the performance of left-handed circular polarizat

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Moreno Arboleda, Francisco Javier, Jaime Alberto Guzmán Luna, and Sebastian Alonso Gomez Arias. "Identification of V-Formations and Circular and Doughnut Formations in a Set of Moving Entities with Outliers." Abstract and Applied Analysis 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/241684.

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Diverse movement patterns may be identified when we study a set of moving entities. One of these patterns is known as a V-formation for it is shaped like the letter V. Informally, a set of entities shows a V-formation if the entities are located on one of their two characteristic lines. These lines meet in a position where there is just one entity considered the leader of the formation. Another movement pattern is known as a circular formation for it is shaped like a circle. Informally, circular formations present a set of entities grouped around a center in which the distance from these entit

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Saha, Laxman, Rupen Lama, Kalishankar Tiwary, Kinkar Chandra Das, and Yilun Shang. "Fault-Tolerant Metric Dimension of Circulant Graphs." Mathematics 10, no. 1 (2022): 124. http://dx.doi.org/10.3390/math10010124.

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Let G be a connected graph with vertex set V(G) and d(u,v) be the distance between the vertices u and v. A set of vertices S={s1,s2,…,sk}⊂V(G) is called a resolving set for G if, for any two distinct vertices u,v∈V(G), there is a vertex si∈S such that d(u,si)≠d(v,si). A resolving set S for G is fault-tolerant if S\{x} is also a resolving set, for each x in S, and the fault-tolerant metric dimension of G, denoted by β′(G), is the minimum cardinality of such a set. The paper of Basak et al. on fault-tolerant metric dimension of circulant graphs Cn(1,2,3) has determined the exact value of β′(Cn(1

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Nadeem, Asim, Agha Kashif, Sohail Zafar, and Zohaib Zahid. "On 2-partition dimension of the circulant graphs." Journal of Intelligent & Fuzzy Systems 40, no. 5 (2021): 9493–503. http://dx.doi.org/10.3233/jifs-201982.

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The partition dimension is a variant of metric dimension in graphs. It has arising applications in the fields of network designing, robot navigation, pattern recognition and image processing. Let G (V (G) , E (G)) be a connected graph and Γ = {P1, P2, …, Pm} be an ordered m-partition of V (G). The partition representation of vertex v with respect to Γ is an m-vector r (v|Γ) = (d (v, P1) , d (v, P2) , …, d (v, Pm)), where d (v, P) = min {d (v, x) |x ∈ P} is the distance between v and P. If the m-vectors r (v|Γ) differ in at least 2 positions for all v ∈ V (G), then the m-partition is called a 2

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TSAI, CHANG-HSIUNG, JIMMY J. M. TAN, YEN-CHU CHUANG, and LIH-HSING HSU. "HAMILTONIAN PROPERTIES OF FAULTY RECURSIVE CIRCULANT GRAPHS." Journal of Interconnection Networks 03, no. 03n04 (2002): 273–89. http://dx.doi.org/10.1142/s0219265902000677.

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We present some results concerning hamiltonian properties of recursive circulant graphs in the presence of faulty vertices and/or edges. The recursive circulant graph G(N, d) with d ≥ 2 has vertex set V(G) = {0, 1, …, N - 1} and the edge set E(G) = {(v, w)| ∃ i, 0 ≤ i ≤ ⌈ log d N⌉ - 1, such that v = w + di (mod N)}. When N = cdk where d ≥ 2 and 2 ≤ c ≤ d, G(cdk, d) is regular, node symmetric and can be recursively constructed. G(cdk, d) is a bipartite graph if and only if c is even and d is odd. Let F, the faulty set, be a subset of V(G(cdk, d)) ∪ E(G(cdk, d)). In this paper, we prove that G(c

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Sharma, Sunny Kumar, and Vijay Kumar Bhat. "On vertex resolvability of a circular ladder of nonagons." Notes on Number Theory and Discrete Mathematics 29, no. 3 (2023): 426–44. http://dx.doi.org/10.7546/nntdm.2023.29.3.426-444.

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Let $H=H(V,E)$ be a non-trivial simple connected graph with edge and vertex set $E(H)$ and $V(H)$, respectively. A subset $\mathbb{D}\subset V(H)$ with distinct vertices is said to be a vertex resolving set in $H$ if for each pair of distinct vertices $p$ and $q$ in $H$ we have $d(p,u)\neq d(q,u)$ for some vertex $u\in H$. A resolving set $H$ with minimum possible vertices is said to be a metric basis for $H$. The cardinality of metric basis is called the metric dimension of $H$, denoted by $\dim_{v}(H)$. In this paper, we prove that the metric dimension is constant and equal to $3$ for certai

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Leiser Baronas, Roberto, and Sidnay Fernandes Dos Santos. "Destextualização e(m) íconotextos na/da comunicação política brasileira." Revista Latinoamericana de Estudios del Discurso 15, no. 2 (2016): 9. http://dx.doi.org/10.35956/v.15.n2.2015.p.9-25.

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Este artículo presenta un análisis discursivo basado en el marco teórico y metodológico propuesto por Dominique Maingueneau (2008, 2010, 2014). Concibiendo nuestra propuesta dentro de una práctica intersemiótica, pensamos en las maneras en que se formulan los sentidos, puestos a circular en los medios de comunicación a partir de dibujos animados, fotomontajes y fotografías de Dilma Rousseff, y en qué medida estos sentidos se constituyen en rutas deónticas de interpretación. Desde esta perspectiva, nos apoyamos también en Baronas (2013), quien aplica la teoría de Maingueneau a los textos multim

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Ekimov, A. I., and V. I. Safarov. "Optical Detection of Dynamic Polarization of Nuclei in Semiconductors." JETP Letters 118, S1 (2023): S23—S25. http://dx.doi.org/10.1134/s0021364023130088.

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Much research has been performed by now on optical pumping of spin-polarized electrons in semiconductors [1–6]. In these experiments, the spin-oriented carriers were excited from the valence band into the conduction band by absorption of circularly-polarized light. The most convenient for the detection of the spin orientation of the electrons is an optical method [2, 3] with investigation of the recombination-luminescence polarization. For III–V crystals, the selection rules for interband transitions yield a simple connection S = 0.5P between the degree of circular polarization of the luminesc

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Noreen, Khadija, Muhammad Rasheed, H. M. Kashif Rasheed, Farrukh Jamal, Rashid Ahmed, and Ronald Onyango. "Some New Dimensions to Construct Economical Circular Weakly Balanced Neighbor Robust Designs." Mathematical Problems in Engineering 2022 (May 30, 2022): 1–10. http://dx.doi.org/10.1155/2022/8473332.

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Neighbor-balanced designs are used in the experiments where the performance of a treatment is affected by the treatments applied to its neighboring units. These are well-known designs to balance the neighbor effects. Among these designs, minimal neighbor-balanced designs are economical; therefore, these are preferred by the experimenters. For v even, minimal neighbor balanced designs in circular blocks cannot be constructed for most of the cases, where v is number of treatments. In such situations, experimenters would like to relax the neighbor balance property up to some extent and consider t

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35

Kwon, Jungmi, Motohide Tamura, Phil W. Lucas, et al. "NEAR-INFRARED CIRCULAR POLARIZATION IMAGES OF NGC 6334-V." Astrophysical Journal 765, no. 1 (2013): L6. http://dx.doi.org/10.1088/2041-8205/765/1/l6.

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Tam, Cheok N., Baoliang Wang, Timothy A. Keiderling, and William G. Golden. "Magnetic vibrational circular dichroism of C60." Chemical Physics Letters 198, no. 1-2 (1992): 123–27. http://dx.doi.org/10.1016/0009-2614(92)90059-v.

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Lock, G. S. H., and S. Park. "Convective eversion in a circular tube." Mathematical and Computer Modelling 14 (1990): 805–9. http://dx.doi.org/10.1016/0895-7177(90)90293-v.

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Krásna, Slávka, Silvia Barnová, and Zuzana Geršicová. "Zero Waste Management v cirkulárnej ekonomike ako súčasť vzdelávania učiteľov odborných predmetov." Studia Scientifica Facultatis Paedagogicae Universitas Catholica Ružomberok 22, no. 5 (2023): 121–30. http://dx.doi.org/10.54937/ssf.2023.22.5.121-130.

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The study is focused on the issues of Zero Waste Management in circular economy as the central topic in the process of the green transformation of the economy, which should be included in vocational subject teacher training programmes. In the study, the notion of Zero Waste Management in circular economy in relation to vocational subject teacher training is defined.

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Cynthia, V. Jude Annie, M. Ramya, and S. Prabhu. "Local Metric Dimension of Certain Classes of Circulant Networks." Journal of Advanced Computational Intelligence and Intelligent Informatics 27, no. 4 (2023): 554–60. http://dx.doi.org/10.20965/jaciii.2023.p0554.

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Let G(V,E) be a graph with a set of vertices V and a set of edges E. Then, a minimum subset Wl of V is said to be a local metric basis of G if for any two adjacent vertices u,v∈V∖Wl there exists a vertex w∈Wl such that d(u,w) ≠ d(v,w). The cardinality of a local metric basis is referred to as the local metric dimension of the graph G denoted by βl(G). In this paper, we investigate the local metric dimensions of certain circulant-related architectures such as Harary graphs Hk,n with even k or n, Toeplitz networks, and ILLIAC networks.

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Mehmood, Q., M. Nadeem, K. Noreen, and R. Ahmad. "Construction of Generalized Neighbor Designs in Circular Blocks of Two Different Sizes." Nucleus 59, no. 1 (2022): 15–24. https://doi.org/10.71330/nucleus.59.01.1179.

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Neighbor balanced designs are used in experiments where neighbor effects may arise. These designs ensure that treatment comparisons will be less affected by the neighbor effects. Experimenters always prefer minimal designs but minimal circular neighbor designs cannot be constructed for even v, where v is number of treatments to be compared. Therefore, for v even, minimal circular generalized neighbor designs (MGNDs) should be used which are considered to be the good alternate to the minimal neighbor designs. In this article, some generators are developed to obtain MCGNDs in which 3v/2 unordere

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Mihas, Pavlos. "Excel Files for Newton’s Proposition V." Applied Science and Innovative Research 4, no. 2 (2020): p41. http://dx.doi.org/10.22158/asir.v4n2p41.

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Newton in Principia gives us a mathematical method of finding the center of force for a body moving on an ellipse in Proposition V, Problem I. The same thinking can be applied also to the case of a hyperbola and also a parabola, only that in the last case the center of force is at infinite distance. For the first two cases there are 3 cases of possible forces: a) An force proportional to the distance from the center. For ellipse an attractive force for hyperbola a repulsive, b) a force proportional to the inverse of the square of the distance from the left focus, for ellipse an attractive and

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Bauer, Hermann, Jeanine Brun, Alexius R. Hernanto, Wolfgang Voelter, and Spyridon Paraskewas. "Circulardichroismusuntersuchungen von Polyalkohol- und Zucker-Vanadat(V)-Komplexen / Circular Dichroism Studies of Polyalcohol and Sugar Vanadate(V) Complexes." Zeitschrift für Naturforschung B 44, no. 11 (1989): 1464–72. http://dx.doi.org/10.1515/znb-1989-1124.

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The complexes of tetravanadate ions with optically active polyols and carbohydrates with suitable steric properties show up to four separate cotton effects in the wavelength range of λ = 200-350 nm. Thus it is possible to classify pyranoses into four groups according to their circular dichroitic behaviour and determine the configuration and the conformation of the hydroxyl groups attached to the pyranose ring.

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Mujahidin, Irfan, and Akio Kitagawa. "CP Antenna with 2 × 4 Hybrid Coupler for Wireless Sensing and Hybrid RF Solar Energy Harvesting." Sensors 21, no. 22 (2021): 7721. http://dx.doi.org/10.3390/s21227721.

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The main challenge faced by RF energy harvesting systems is to supply relatively small electrical power to wireless sensor devices using microwaves. The solution is to implement a new device in a circularly polarized rectenna with circular polarization sensitivity integrated with a thin-film solar cell. Its dual-feed antennas are connected to a 2 × 4 asymmetric hybrid coupler and a multi-stage voltage doubler rectifier circuit. This configuration has a 2 × 4 asymmetric hybrid coupler used to produce 4 outputs with a 90-degree waveform phase difference. The two ports can independently be connec

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El, BOUZAIDI Dounia, and Rian BOUAZZAOUI. "Innovating for better treatment : the circular economy for the sustainable management of medical waste." African Scientific Journal Vol 03, N°19 (2023): 267. https://doi.org/10.5281/zenodo.8270336.

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<strong>Résumé </strong> Le secteur hospitalier génère une quantité importante de déchets chaque jour en raison de la nature des activités et des soins médicaux qui y sont dispensés. Ces déchets peuvent être classés en différentes catégories en fonction de leur nature et de leur niveau de dangerosité. L’évolution de la démographie et de la technologie médicale fait que la production de ces déchets, dits médicaux et pharmaceutiques (DMP), ne cessent d&

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Kamath P., Shrinath D., Elizabeth Cherian, and Vadish S. Bhat. "Widening techniques for stomal stenosis: Y-V advancement vs. two circular incisions technique." International Journal of Otorhinolaryngology and Head and Neck Surgery 2, no. 4 (2016): 263. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20163478.

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<p class="abstract"><strong>Background:</strong> Tracheostomal stenosis following total laryngectomy for carcinoma of larynx is a challenging condition for an otolaryngologist, especially when the patient requires post-operative radiotherapy. Critical narrowing of the stoma needs surgical widening. Though there are few surgical techniques described for the same, re-stenosis has been observed in many. We conducted a comparative study of two widening techniques: Y-V advancement and two circular incisions technique.</p><p class="abstract"><strong>Methods:</s

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Fabrikant, V. I. "External circular crack under concentrated antisymmetric loading." International Journal of Solids and Structures 27, no. 3 (1991): 343–54. http://dx.doi.org/10.1016/0020-7683(91)90087-v.

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Talebi, A. A., M.Zameni, and Hossein Rashmanlou. "Vertex Domination Critical in Circulant Graphs." International Journal of Fuzzy Mathematical Archive 12, no. 02 (2017): 55–66. http://dx.doi.org/10.22457/ijfma.v12n2a2.

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A graph G is vertex domination critical if for any vertex v of G, the domination number of G – v is less than the domination number of G. We call these graphs γ-critical if domination number of G is γ. In this paper, we determine the domination and the total domination number of Cir(n,A) for two particular generating sets A of Zn, and then study γ-critical in these graphs.

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STERN, MELVIN E. "Scattering of an eddy advected by a current towards a topographic obstacle." Journal of Fluid Mechanics 402 (January 10, 2000): 211–23. http://dx.doi.org/10.1017/s0022112099006795.

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Contour dynamics is used to compute the two-dimensional (f-plane) motion of an initially circularly symmetric barotropic eddy with piecewise-uniform vorticity as it is advected around a circular obstacle by a uniform upstream current. For grazing incidence of this ‘shielded’ eddy (compensating positive and negative vorticity) the main effect of the vortex images (inside the obstacle) is to change the speed of those particles in the outer portion of the eddy that are closest to the obstacle; a lesser velocity is induced on the oppositely signed vortices near the eddy centre. The result is a sys

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Gassó, Santiago, and Kirk D. Knobelspiesse. "Circular polarization in atmospheric aerosols." Atmospheric Chemistry and Physics 22, no. 20 (2022): 13581–605. http://dx.doi.org/10.5194/acp-22-13581-2022.

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Abstract. Recent technological advances have demonstrated the feasibility of deploying spaceborne optical detectors with full polarimetric capabilities. The measurement of all four Stokes coefficients opens significant new opportunities for atmospheric aerosol studies and applications. While considerable amounts of attention have been dedicated to sensors with sensitivity to the total intensity and linear polarization (represented by Stokes coefficients I, U, Q), there has been less attention to the additional information brought by measuring circular polarization (coefficient V). This report

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Mageshwaran, K., Ali Ahmad, Bundit Unyong, G. Kalaimurugan, and S. Gopinath. "On Ł ℘ , ℘ − 1 , … , 1 Labelings of Circulant Graphs." Journal of Mathematics 2021 (October 19, 2021): 1–7. http://dx.doi.org/10.1155/2021/6578478.

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An m - Ł ℘ , ℘ − 1 , … , 1 labeling of a simple graph G is a mapping τ from the vertex set ∨ G to 0,1 , … , m such that τ u − τ v ≥ ℘ + 1 − d u , v , ∀ u , v ∈ ∨ G , where length of the shortest route connecting u and v is represented by d u , v . The smallest m for which there exists a m - Ł ℘ , ℘ − 1 , … , 1 labeling of G is known as the Ł ℘ , ℘ − 1 , … , 1 labeling number of G , and it is described by λ ℘ G . We define m - Ł ′ ℘ , ℘ − 1 , … , 1 as the same as the m - Ł ℘ , ℘ − 1 , … , 1 labeling if τ is one to one. The Ł ′ ℘ , ℘ − 1 , … , 1 labeling number of G represented by λ ℘ , ℘ − 1 ,

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