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Journal articles on the topic 'Quasi-total graph'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Manash Protim Borah. "Quasi- Laplacian energy of some novel classes of graphs." Communications on Applied Nonlinear Analysis 32, no. 7s (2025): 530–41. https://doi.org/10.52783/cana.v32.3462.

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We formulate the relationship of quasi-Laplacian energy of some novel classes of graphs with their corresponding original graphs. The novel graphs in our discussion are the -graph, -graph, -graph, total graph, and their join and corona operations graphs. The whole formulation is based on the relationship between quasi-Laplacian energy and the vertex degrees of the novel graph. It is also noted that quasi-Laplacian energy is closely related with the first Zagreb index, number of vertices and edges of the graph. The exact formulas of quasi-Laplacian energy of novel graphs are obtained in terms o

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Cabrera Martínez, Abel, Alejandro Estrada-Moreno, and Juan Alberto Rodríguez-Velázquez. "From the Quasi-Total Strong Differential to Quasi-Total Italian Domination in Graphs." Symmetry 13, no. 6 (2021): 1036. http://dx.doi.org/10.3390/sym13061036.

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This paper is devoted to the study of the quasi-total strong differential of a graph, and it is a contribution to the Special Issue “Theoretical computer science and discrete mathematics” of Symmetry. Given a vertex x∈V(G) of a graph G, the neighbourhood of x is denoted by N(x). The neighbourhood of a set X⊆V(G) is defined to be N(X)=⋃x∈XN(x), while the external neighbourhood of X is defined to be Ne(X)=N(X)∖X. Now, for every set X⊆V(G) and every vertex x∈X, the external private neighbourhood of x with respect to X is defined as the set Pe(x,X)={y∈V(G)∖X:N(y)∩X={x}}. Let Xw={x∈X:Pe(x,X)≠⌀}. Th

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Tesgera Agama, Fekadu, and Venkata Naga Srinivasa Rao Repalle. "1-Quasi Total Fuzzy Graph and Its Total Coloring." Pure and Applied Mathematics Journal 9, no. 1 (2020): 9. http://dx.doi.org/10.11648/j.pamj.20200901.12.

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Martínez, Abel Cabrera, Juan C. Hernández-Gómez, and José M. Sigarreta. "On the Quasi-Total Roman Domination Number of Graphs." Mathematics 9, no. 21 (2021): 2823. http://dx.doi.org/10.3390/math9212823.

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Domination theory is a well-established topic in graph theory, as well as one of the most active research areas. Interest in this area is partly explained by its diversity of applications to real-world problems, such as facility location problems, computer and social networks, monitoring communication, coding theory, and algorithm design, among others. In the last two decades, the functions defined on graphs have attracted the attention of several researchers. The Roman-dominating functions and their variants are one of the main attractions. This paper is a contribution to the Roman domination

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CZUMAJ, ARTUR, JUREK CZYZOWICZ, LESZEK GĄSIENIEC, JESPER JANSSON, ANDRZEJ LINGAS, and PAWEL ZYLINSKI. "APPROXIMATION ALGORITHMS FOR BUY-AT-BULK GEOMETRIC NETWORK DESIGN." International Journal of Foundations of Computer Science 22, no. 08 (2011): 1949–69. http://dx.doi.org/10.1142/s0129054111009148.

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The buy-at-bulk network design problem has been extensively studied in the general graph model. In this paper, we consider geometric versions of the problem, where all points in a Euclidean space are candidates for network nodes, and present the first general approach for solving them. It enables us to obtain quasi-polynomial-time approximation schemes for basic variants of the buy-at-bulk geometric network design problem with polynomial total demand. Then, for instances with a single sink and low capacity links, we design fast polynomial-time, low-constant approximation algorithms.

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GHAVAMI, BEHNAM, HOSSEIN PEDRAM, and AREZOO SALARPOUR. "LEAKAGE POWER REDUCTION OF ASYNCHRONOUS PIPELINES." Journal of Circuits, Systems and Computers 20, no. 02 (2011): 207–22. http://dx.doi.org/10.1142/s0218126611007207.

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With CMOS technology scaling, leakage power is expected to become a significant portion of the total power. A dual-threshold CMOS circuit, which has both high and low threshold transistors in a single chip, can be used to deal with the leakage problem in high performance applications. This paper presents dual-threshold voltage technique for reducing leakage power dissipation of Quasi Delay Insensitive asynchronous pipelines while still maintaining high performance of these circuits. We exploited the Dependency Graph model to produce a formal performance analysis. In order to reduce leakage pow

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Amin, Muhammad, Syahril Efendi, Mahyuddin K. M. Nasution, and Marischa Elveny. "Development of optimization algorithms to vehicle routing problem." Eastern-European Journal of Enterprise Technologies 3, no. 3 (135) (2025): 67–77. https://doi.org/10.15587/1729-4061.2025.326135.

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The Capacitated Vehicle Routing Problem with Time-Dependent Demands (CVRPTD) is a significant optimization challenge in the logistics and transportation domain, characterized by dynamic customer demands, strict time windows, and heterogeneous vehicle fleets. This study focuses on urban parcel delivery operations as the primary object of research. The problem addressed involves the inefficiency of conventional vehicle routing strategies in adapting to time-varying customer demands and operational constraints, which often lead to increased costs and service delays. This study aims to minimize to

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Makhtar, Norul Naim, Siti Nursaila Alias, Anis Nazihah Mat Daud, and Norlia Mat Nor. "Effectiveness of Learning Modules for Topics Linear Motion Graph Fourth Form Physics." Journal of Science and Mathematics Letters 11, Special (2023): 88–102. http://dx.doi.org/10.37134/jsml.vol11.sp.10.2023.

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The study aimed to determine the effectiveness of the Linear Motion Graph learning module (PGeL) among Form Four students. The design of this study is the developmental research which involves the development of the PGeL learning module based on the ASSURE instructional design model. The module was developed by applying chunking elements, mnemonic, interactive simulations, POE approach (predict, observe and explain) and graphics techniques. The effectiveness of the PGeL module was investigated using the quasi-experimental design. A total of 94 secondary school students in Kuala Lumpur zone wer

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Dalirnasab, Abolfazl, Mohammad Fatehi Marji, Hamid-Reza Nejati, and Mohsen Mohebi. "EFFECTS OF POROSITY ON THE STRENGTH AND MECHANICAL BEHAVIOUR OF POROUS GEO-MATERIALS UNDER CYCLIC LOADING." Rudarsko-geološko-naftni zbornik 39, no. 2 (2024): 15–30. http://dx.doi.org/10.17794/rgn.2024.2.2.

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Most rocks in nature are porous and usually saturated with different fluids such as water, oil, and gas. The conventional and unconventional hydrocarbon reservoirs are mainly associated with sedimentary formations. The main rocks of these reservoirs are sandstone (porous rock), limestone and oil shale (tight rock), which are associated with varying porosity. Hence, porosity serves as a fundamental parameter for most reservoir rocks. In this research, the effect of porosity on the mechanical behaviour of geo-materials and its fatigue behaviour was investigated. For this purpose, a total of five

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Srinivasa, R. V. N., and J. Venkateswara Rao. "Contribution to 1-quasi-total Graphs." Asian Journal of Mathematics & Statistics 6, no. 1 (2012): 52–56. http://dx.doi.org/10.3923/ajms.2013.52.56.

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11

Basavanagoud, B. "Quasi-total graphs with crossing numbers." Journal of Discrete Mathematical Sciences and Cryptography 1, no. 2-3 (1998): 133–42. http://dx.doi.org/10.1080/09720529.1998.10697872.

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12

Kulli, V. R., B. Basavanagoud, and K. M. Niranjan. "Quasi-total Graphs with Crossing Numbers." Journal of Scientific Research 2, no. 2 (2010): 257–63. http://dx.doi.org/10.3329/jsr.v2i2.3527.

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We establish here necessary and sufficient conditions for quasi-total graphs to have crossing numbers k (k = 1, 2 or 3). Keywords: Quasi-total; Crossing numbers. © 2010 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved.DOI: 10.3329/jsr.v2i2.3527 J. Sci. Res. 2 (2), 257-263 (2010)

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Macnamara, Shev, Sergio Blanes, and Arieh Iserles. "Simulation of bimolecular reactions: Numerical challenges with the graph Laplacian." ANZIAM Journal 61 (June 16, 2020): C59—C74. http://dx.doi.org/10.21914/anziamj.v61i0.15169.

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An important framework for modelling and simulation of chemical reactions is a Markov process sometimes known as a master equation. Explicit solutions of master equations are rare; in general the explicit solution of the governing master equation for a bimolecular reaction remains an open question. We show that a solution is possible in special cases. One method of solution is diagonalization. The crucial class of matrices that describe this family of models are non-symmetric graph Laplacians. We illustrate how standard numerical algorithms for finding eigenvalues fail for the non-symmetric gr

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Xia, A. G., D. V. Michelangeli та P. A. Makar. "Mechanism reduction for the formation of secondary organic aerosol for integration into a 3-dimensional regional Air Quality Model: <i>α</i>-pinene oxidation system". Atmospheric Chemistry and Physics Discussions 8, № 4 (2008): 13301–54. http://dx.doi.org/10.5194/acpd-8-13301-2008.

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Abstract. A detailed α-pinene oxidation mechanism was reduced systematically through the successive application of five mechanism reduction techniques. The resulting reduced mechanism preserves the ozone- and organic aerosol-forming properties of the original mechanism, while using less species. The methodologies employed included a directed relation graph method with error propagation (DRGEP, which removed a large number of redundant species and reactions), principal component analysis of the rate sensitivity matrix (PCA, used to remove unnecessary reactions), the quasi-steady-state approxima

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Xia, A. G., D. V. Michelangeli та P. A. Makar. "Mechanism reduction for the formation of secondary organic aerosol for integration into a 3-dimensional regional air quality model: <i>α</i>-pinene oxidation system". Atmospheric Chemistry and Physics 9, № 13 (2009): 4341–62. http://dx.doi.org/10.5194/acp-9-4341-2009.

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Abstract. A detailed α-pinene oxidation mechanism was reduced systematically through the successive application of five mechanism reduction techniques. The resulting reduced mechanism preserves the ozone- and organic aerosol-forming properties of the original mechanism, while using less species. The methodologies employed included a directed relation graph method with error propagation (DRGEP, which removed a large number of redundant species and reactions), principal component analysis of the rate sensitivity matrix (PCA, used to remove unnecessary reactions), the quasi-steady-state approxima

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Asaduzzaman, Dr Md, Dr Md Mostakim Maoya, Dr Md Shaheen Reza, Dr Munshi Akid Mostofa, Dr Md Masud Rana, and Dr Md Tanuwar Islam Chowdhury. "A Comparative Study between Transrectal Ultrasound Guided 6-Core and 12-Core Prostate Biopsy for Detection of Prostate Cancer." Global Academic Journal of Medical Sciences 4, no. 6 (2022): 293–301. http://dx.doi.org/10.36348/gajms.2022.v04i06.010.

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Background: Prostate cancer is common in urological practice. Diagnosis of prostate cancer depends on biopsy of the prostate. For the last two decade TRUS guided 6 core (sextant) biopsy is being considered as standard for prostate biopsy. Various studies in different countries showed the drawback of sextant biopsy. The debate remains alive on number of biopsy core which is appropriate for obtaining representative tissue. Moreover, more number of needle biopsy may be associated with more complication. Methods: In this hospital based Quasi experimental study, a total of 50 patients were allocate

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Hua, Hongbo, Xinying Hua, Sandi Klavžar, and Kexiang Xu. "Relating the total domination number and the annihilation number for quasi-trees and some composite graphs." Discrete Mathematics 345, no. 9 (2022): 112965. http://dx.doi.org/10.1016/j.disc.2022.112965.

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18

Temme, F. P. "Geodesic and re–coupling–induced limits to S 2 n group invariants of uniform ( k 1 ⋯ k 2 n ) dual tensorial sets in spin physics, or NMR: SR dynamical structure on {ℍ v } via polyhedral re–coupling and time–reversal invariance". Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 461, № 2054 (2005): 321–46. http://dx.doi.org/10.1098/rspa.2004.1323.

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For S n –based, uniform auxiliary dual tensorial (UDT) sets, explicitly with even maximal all–alike j i ( k i ) over v ≡ ( j 1 ⋯ j 2 n ), or ( k 1 ⋯ k 2 n ), sub–rank auxiliary labelling, the specific time–reversal invariance–dependent dual group invariants and their independent cardinalities (| SI | (2 n ) ) are fundamental to understanding simply reducible (SR) dynamical spin system structure over (Liouvillian) carrier space, a quantum physics property implicit in dual quasi–particle (QP) formalisms associated with, for example, uniform identical multiple spin NMR systems . Such UDT sets sta

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Volpe, Richard, Richard Green, Dale Heien, and Richard Howitt. "Estimating the Supply Elasticity of California Wine Grapes Using Regional Systems of Equations." Journal of Wine Economics 5, no. 2 (2010): 219–35. http://dx.doi.org/10.1017/s1931436100000924.

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AbstractThis article is the first of its kind to estimate econometrically the supply elasticity of California wine grapes. Wine grapes constitute the single largest crop in the state of California in terms of total receipts. Allowing for the dynamic adjustments of quasi-fixed inputs, we estimate simultaneous systems of equations for California's four major wine grape growing regions and eight of the most widely grown varieties. We find that California wine grape production is, on the whole, inelastic with respect to prices received. The variety showing the most price responsiveness is Chardonn

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Roy, Indrajit, D. P. Acharya, and Sourav Acharya. "Propagation and Reflection of Plane Waves in a Rotating Magneto-Elastic Fibre-Reinforced Semi Space with Surface Stress." Mechanics and Mechanical Engineering 22, no. 4 (2020): 939–58. http://dx.doi.org/10.2478/mme-2018-0074.

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AbstractThe present paper investigates the propagation of quasi longitudinal (qLD) and quasi transverse (qTD) waves in a magneto elastic fibre-reinforced rotating semi-infinite medium. Reflections of waves from the flat boundary with surface stress have been studied in details. The governing equations have been used to obtain the polynomial characteristic equation from which qLD and qTD wave velocities are found. It is observed that both the wave velocities depend upon the incident angle. After imposing the appropriate boundary conditions including surface stress the resultant amplitude ratios

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Derewonko, Agnieszka, Pavlo Maruschak, and Paweł Prusko. "Estimation of adhesive joint failure initiation using FEM." Bulletin of the Military University of Technology 73, no. 1 (2024): 33–42. https://doi.org/10.5604/01.3001.0054.9633.

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In adhesive joints, the integrity of the adhesive and the joined parts results from intermolecular forces. The determinationof the total elastic energy at the interface of two different bodies is possible by introducing the contact problem in the numerical modelof the system. The paper presents the optimization of a single lap adhesive joint by estimating the tensile force causing the joint failureinitiation and its location based on the calculated elastic energy. This approach limits the number of experimental tests. Limitation ofthe estimation, resulting from dimension of the applied finite

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Alhasyimi, Ananto Ali, Niswati Fathmah Rosyida, and Mufliha Santi Rihadini. "Postorthodontic Relapse Prevention by Administration of Grape Seed (Vitis vinifera) Extract Containing Cyanidine in Rats." European Journal of Dentistry 13, no. 04 (2019): 629–34. http://dx.doi.org/10.1055/s-0039-3401440.

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Abstract Objective The aim of this study was to analyze the effect of grape seed extract containing cyanidin on osteoclastogenesis (by means of receptor activator of nuclear factor-κ B ligand [RANKL] and osteoprotegerin [OPG] levels) and the number of osteoclasts during orthodontic relapse in Wistar rats. Materials and Methods This study is an in vivo quasi experimental research. A total of 32 male Wistar rats were used in the study, which were randomly split equally into two groups, grape seed (GS) and control group (CG). All rats were given an orthodontic force of 35 cN using a stainless ste

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Dadashev, Ali Sh, Oleg K. Zenin, Ilia S. Miltykh, and Edgar S. Kafarov. "Morphometric Features of Different Types of Bifurcations in the Splenic Intraorgan Arterial System in Individuals of Different Gender and Age." I.P. Pavlov Russian Medical Biological Herald 32, no. 1 (2024): 81–92. http://dx.doi.org/10.17816/pavlovj321742.

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INTRODUCTION: A promising direction that has recently emerged in morphology is investigation of the arterial bed of various human organs as fractal or quasi-fractal systems. Conceptual models have been developed permitting a quantitative description of the vascular bed features. This approach will help to create a morphometric standard of the intraorgan blood flow, which will be useful in objective diagnosis of probable deviations from the normal structure. AIM: To identify the morphometric features of various types of bifurcations of the splenic intraorgan arterial bed in individuals of

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Vizitiu, Diana Elena, Daniela Ionela Sardarescu, Irina Fierascu, et al. "Grapevine Plants Management Using Natural Extracts and Phytosynthesized Silver Nanoparticles." Materials 15, no. 22 (2022): 8188. http://dx.doi.org/10.3390/ma15228188.

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Starting from the well-known antimicrobial properties of silver nanoparticles, the goal of this study is to evaluate the influence of two “green” recipes, namely an alcoholic extract of Dryopteris filix-mas (L.) Schott and a dispersion of silver nanoparticles phytosynthesized using the extract on grapevine pathogens. The influence of some grapevine parameters (pith/wood rapport, soluble sugars, starch, total sugars, total water content, length of young shoots, number of grapes) in field experiments was also studied. The study was conducted on four clones (Feteasca alba 97 St., Feteasca neagra

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Moones Tousi, Maliheh, Mahdi Namazizadeh, Seyed Mohammad Kazem Vaez Mousavi, and Marzieh Belali. "Determination and Comparison of Motivation Levels in Adolescent Girls During Simultaneous and Delayed Observational Learning of Targeting Skills with a Racket." Journal of Adolescent and Youth Psychological Studies 5, no. 7 (2024): 52–58. http://dx.doi.org/10.61838/kman.jayps.5.7.6.

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Objective: This study aimed to determine and compare the motivation levels of adolescent girls during simultaneous and delayed observational learning of targeting skills with a racket. Methods and Materials: This quasi-experimental study involved 40 girls aged 16 to 18, randomly divided into two groups: simultaneous observational learning and delayed observational learning. The protocol lasted for three days, and the task involved performing a forehand strike in clay tennis with the non-dominant hand toward a concentric target on the ground. On the first day, the pre-test was conducted, follow

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Vijayamalar, S., Devi Nanjappan, and Vasantha Malagi. "Impact of Organized Educational Programs on Mothers' Knowledge of Preventing Mishaps at Home for Their Children in Urban Bangalore." European Journal of Medical and Health Research 2, no. 6 (2024): 186–92. https://doi.org/10.59324/ejmhr.2024.2(6).25.

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In a quasi-experimental study, sixty respondents from Kerendahalli answered questions about how organized strategies affect parents' perceptions of keeping their children safe at home. The non-probability purposive sampling method was used to choose the study's sample. To gather information from the participants, the researcher has created a systematic interview schedule. Graphs and charts were used to analyze and visualize the gathered data using both descriptive and inferential statistics. Of the sixty people, fourteen (23.3%) did not know enough to avoid mishaps during the pretest. Prior to

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S., Vijayamalar, Nanjappan Devi, and Malagi Vasantha. "Impact of Organized Educational Programs on Mothers' Knowledge of Preventing Mishaps at Home for Their Children in Urban Bangalore." European Journal of Medical and Health Research 2, no. 6 (2024): 186–92. https://doi.org/10.59324/ejmhr.2024.2(6).25.

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In a quasi-experimental study, sixty respondents from Kerendahalli answered questions about how organized strategies affect parents' perceptions of keeping their children safe at home. The non-probability purposive sampling method was used to choose the study's sample. To gather information from the participants, the researcher has created a systematic interview schedule. Graphs and charts were used to analyze and visualize the gathered data using both descriptive and inferential statistics. Of the sixty people, fourteen (23.3%) did not know enough to avoid mishaps during the pretest. Prior to

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ORULEBAJA, YINKA TOSIN, OLATUNDE LAWAL OWOLABI, and HAKEEM AKINTOYE. "Effects of Multiple representations and Problem- solving learning strategies on Physics students’ problem-solving abilities." International Journal for Innovation Education and Research 9, no. 4 (2021): 350–65. http://dx.doi.org/10.31686/ijier.vol9.iss4.3045.

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Student’s learning in physics takes many forms. Equations, diagrams, graphs and words all can be used to describe physical phenomena. Constructing descriptions of physical situations with these representations and focusing on their correct usage led to this study which investigated physics students’ knowledge of multiple representations and problem-solving abilities using multiple representations learning strategy and problem-solving learning strategy as an intervention. The pretest-posttest, control group quasi-experimental design with a 3x2x3 factorial matrix was used. A total of 294 Senior

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Ashikuzzaman, Dr Md. "Response of Thalidomide in Hemoglobin Increment of Transfusion Dependent Thalassemia." Scholars Journal of Applied Medical Sciences 10, no. 5 (2022): 685–90. http://dx.doi.org/10.36347/sjams.2022.v10i05.003.

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Background: Thalassemia is the most common single gene hereditary disease worldwide. Hb E-β Thalassemia is the commonest severe form of thalassemia in south-east Asia including Bangladesh. The clinical benefit of increased Hb-F in thalassemia treatment is well established which act by decreasing the imbalance between α & non α chains and the consequent reduction of haemolysis. Recent study showed outstanding results on haemoglobin level and transfusion requirement in thalassemia patients treated with thalidomide. Objective: Aims of our study is evaluate the response of thalidomide in hemog

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Ashikuzzaman, Dr Md. "Response of Thalidomide in Spleen Size Reduction of Transfusion Dependent Thalassemia." Scholars Journal of Applied Medical Sciences 10, no. 5 (2022): 691–97. http://dx.doi.org/10.36347/sjams.2022.v10i05.004.

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Background: Thalassemia is the most common single gene hereditary disease worldwide. Hb E-β Thalassemia is the commonest severe form of thalassemia in south-east Asia including Bangladesh. The clinical benefit of increased Hb-F in thalassemia treatment is well established which act by decreasing the imbalance between β& non- β chains and the consequent reduction of haemolysis. Recent study showed outstanding results on haemoglobin level and transfusion requirement in thalassemia patients treated with thalidomide. Objectives: Aims of our study is to evaluation of thalidomide in spleen size

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Sadimin, Sadimin, and Irmanita Wiradona. "PERBEDAAN pH SALIVA ANTARA BERKUMUR INFUSED WATER LEMON DAN INFUSED WATER STROBERI PADA PENGHUNI ASRAMA GRIYA BHAKTI HUSADA SEMARANG." Jurnal Kesehatan Gigi 3, no. 2 (2016): 58–63. http://dx.doi.org/10.31983/jkg.v3i2.3761.

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ABSTRACT The degree of acidity of pH saliva is a way to measure the degree of acid or alkaline of the saliva liquid. Gargling is the simple way to maintain the cleanliness of the teeth and the mouth.the fruits which contain of sour taste are chosen, strawberry and lemon fruits are chosen than any other fruits because they contain sour taste and produce fresh taste. They can use to make infused water. The objectives of this research are to determine the alteration of pH saliva before and after given treatment or gargling using strawberry and lemon infused water. The researcher used Quasi Experi

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Eloho, Osokpor,, and Ndakara, Ofudjaye Emmanuel. "Characterizing Measures of Aboveground Biomass Parameters of Irvingia gaboneensis (Bush Mango) and Rainforest in Isoko Region, Nigeria." Asian Journal of Geographical Research 6, no. 3 (2023): 64–73. http://dx.doi.org/10.9734/ajgr/2023/v6i3190.

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This research characterised measures of aboveground biomass of isolated Irvingia gaboneensis stands within Isoko South Local Government Area’s rainforest, Nigeria. The design of the study was based on quasi experimental approach. The region was divided into 10 based on the existing major communities using stratified sampling technique. From each community, an isolated I. gaboneensis stand was chosen while the adjacent mature rainforest served as control thus, gave a total of 20 sampling sites. Data collected were tree heights (TH) and diameters at breast height (DBH) which were easily obtained

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Bhuiyan, Dr Mohammad Rahmat Ullah, Prof Dr Qazi Mushtaq Hussain, Prof Dr Golam Mohiuddin Faruque, et al. "Treatment Interruption and Hospital Admission in Head and Neck Cancer Patients during Concurrent Chemoradiotherapy with or without Prophylactic Nasogastric Tube Feeding." Saudi Journal of Medical and Pharmaceutical Sciences 8, no. 9 (2022): 463–69. http://dx.doi.org/10.36348/sjmps.2022.v08i09.005.

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Background: Worldwide, head and neck cancer (HNC) was the 6th most common cancer in 2020 in all ages and both sexes. In Bangladesh, lip and oral cavity cancer was the 2nd most common cancer in 2020. Up to 60% of HNC patients presents with locally advanced disease. Aim and Objective: To determine treatment Interruption and hospital admission in head and neck cancer patients during concurrent chemoradiotherapy with or without prophylactic nasogastric tube feeding. Materials and Method: A quasi-experimental study was performed in Radiation Oncology Department of National Institute of Cancer Resea

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Nefedov, Victor N. "Median for an odd number of linear order relations and its use in group choice problems." Prikladnaya Diskretnaya Matematika, no. 57 (2022): 98–127. http://dx.doi.org/10.17223/20710410/57/7.

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We consider the problem of constructing a median for an odd set of linear order relations defined on a finite set A = {a1,a2,..., an}, which is also sought in the class of linear order relations. We arrive at a similar problem when considering some group choice problems. The distance between binary relations is the Hamming distance between their adjacency matrices. In the case under consideration, the binary relation ρ, which has the minimum total distance to the given set of binary relations, is the median for these relations and, moreover, is unique. However, this median is not always transi

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Syomka, E. "Упругопластическое состояние полого шара". Вестник Инженерной школы ДВФУ 44, № 3 (2020): 3–12. http://dx.doi.org/10.24866/2227-6858/2020-3-1.

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Для модели сжимаемого идеального изотропного упругопластического тела рассмотрена задача о полом шаре, на внешнюю и внутреннюю границы которого заданы разные давление и температура. Решается несвязанная задача в рамках теории малых деформаций. Принимается, что полные деформации равны сумме упругих и пластических деформаций, пластические деформации и напряжения связаны соотношениями ассоциированного закона течения. Упругие деформации определяются из соотношений закона Дюамеля–Неймана. Выбирается условие пластичности, не зависящее от первого инварианта тензора напряжений. При определении напряже

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Ahmed, Quazi Mehranuddin. "Treatment Outcome of Surgery Followed By Corticosteroid Therapy For Idiopathic Granulomatous Mastitis." Journal of Dhaka Medical College 32, no. 1 (2024): 71–76. http://dx.doi.org/10.3329/jdmc.v32i1.76453.

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Introduction: Idiopathic granulomatous mastitis (IGM) is a rare, benign, and chronic inflammatory breast condition that has been shown to have radiological and clinical similarities to breast cancer. In spite of the fact that the cause of IGM is unknown, various contributing variables have been identified, such as a reaction to chemical substances like OCP, viral disorders, autoimmune diseases, and an immunological response to milk leakage from the breast lobule. Although various methods have been used for IGM treatment (such as surgical excision, steroids, methotrexate, etc), no consensus cur

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Баландин, Д. В., О. А. Кузенков, А. И. Эгамов, and А. О. Гертель. "Educational and Research Project in the System of Formation of Digital Culture Competencies." Международный научный журнал "Современные информационные технологии и ИТ-образование" 19, no. 2 (2023): 447–59. http://dx.doi.org/10.25559/sitito.019.202302.447-459.

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Обсуждается связь масштабной национальной программы «Цифровая экономика Российской Федерации» и модернизации подготовки специалистов в области ИТ. Наиболее перспективным для образовательного процесса, с точки зрения исследователей, является проектный подход. Он активно внедряется в обучение различных образовательных учреждений для подготовки бакалавров и магистров в области информационных технологий. Исследуется применение таких проектов как приоритетных в Нижегородском государственном университете им. Н. И. Лобачевского. В статье в качестве показательного приводится учебно-исследовательский п

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B.Basavanagoud and R.Desai Veena. "On the Wiener Index of Quasi-Total Graph and Its Complement." March 22, 2016. https://doi.org/10.5281/zenodo.815738.

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The Wiener index of a graph G denoted by W(G) is the sum of distances between all (unordered) pairs of vertices of G. In practice G corresponds to what is known as the molecular graph of an organic compound. In this paper, we obtain the Wiener index of quasi-total graph and its complement for some standard class of graphs, we give bounds for Wiener index of quasi-total graph and its complement also establish Nordhaus-Gaddum type of inequality for it.

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Mohan, S., J. Geetha, and K. Somasundaram. "Total coloring of quasi-line graphs and inflated graphs." Discrete Mathematics, Algorithms and Applications, December 11, 2020, 2150060. http://dx.doi.org/10.1142/s1793830921500609.

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A total coloring of a graph is an assignment of colors to all the elements (vertices and edges) of the graph such that no two adjacent or incident elements receive the same color. A claw-free graph is a graph that does not have [Formula: see text] as an induced subgraph. Quasi-line and inflated graphs are two well-known classes of claw-free graphs. In this paper, we prove that the quasi-line and inflated graphs are totally colorable. In particular, we prove the tight bound of the total chromatic number of some classes of quasi-line graphs and inflated graphs.

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Smitha, P., C. F. Philomena, and P. M. Magi. "On the Non-Incident Quasi-total graph and its complement." Asian-European Journal of Mathematics, April 11, 2025. https://doi.org/10.1142/s1793557125400066.

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Wang, Liqian, Jingke Zou, Miao Zhu, and Yatong Zhao. "Counting short cycles of QC‐LDPC codes in base graph." Electronics Letters 60, no. 2 (2024). http://dx.doi.org/10.1049/ell2.13091.

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AbstractThe performance of quasi‐cyclic low‐density parity‐check codes is closely tied to the number of short cycles. Here, a method is proposed to accurately count short cycles within the base matrix. By searching for all distinct and non‐redundant cyclic paths and combining the number of cycles from each path, the total number of short cycles is obtained. These results demonstrate that the complexity of our algorithm is independent of the code length and directly proportional to the number of edges in the base graph. Moreover, as the lifting degree of the codes increases, the proposed algori

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Cabrera-Martínez, Abel, Luis Pedro Montejano, and Juan Alberto Rodríguez-Velázquez. "From w-Domination in Graphs to Domination Parameters in Lexicographic Product Graphs." Bulletin of the Malaysian Mathematical Sciences Society 46, no. 3 (2023). http://dx.doi.org/10.1007/s40840-023-01502-5.

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AbstractA wide range of parameters of domination in graphs can be defined and studied through a common approach that was recently introduced in [https://doi.org/10.26493/1855-3974.2318.fb9] under the name of w-domination, where $$w=(w_0,w_1, \dots ,w_l)$$ w = ( w 0 , w 1 , ⋯ , w l ) is a vector of non-negative integers such that $$ w_0\ge 1$$ w 0 ≥ 1 . Given a graph G, a function $$f: V(G)\longrightarrow \{0,1,\dots ,l\}$$ f : V ( G ) ⟶ { 0 , 1 , ⋯ , l } is said to be a w-dominating function if $$\sum _{u\in N(v)}f(u)\ge w_i$$ ∑ u ∈ N ( v ) f ( u ) ≥ w i for every vertex v with $$f(v)=i$$ f (

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Zheng, Lanqin, Miaolang Long, Bodong Chen, and Yunchao Fan. "Promoting knowledge elaboration, socially shared regulation, and group performance in collaborative learning: an automated assessment and feedback approach based on knowledge graphs." International Journal of Educational Technology in Higher Education 20, no. 1 (2023). http://dx.doi.org/10.1186/s41239-023-00415-4.

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AbstractOnline collaborative learning is implemented extensively in higher education. Nevertheless, it remains challenging to help learners achieve high-level group performance, knowledge elaboration, and socially shared regulation in online collaborative learning. To cope with these challenges, this study proposes and evaluates a novel automated assessment and feedback approach that is based on knowledge graph and artificial intelligence technologies. Following a quasi-experimental design, we assigned a total of 108 college students into two conditions: an experimental group that participated

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Vallarano, Nicolò, Matteo Bruno, Emiliano Marchese, et al. "Fast and scalable likelihood maximization for Exponential Random Graph Models with local constraints." Scientific Reports 11, no. 1 (2021). http://dx.doi.org/10.1038/s41598-021-93830-4.

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AbstractExponential Random Graph Models (ERGMs) have gained increasing popularity over the years. Rooted into statistical physics, the ERGMs framework has been successfully employed for reconstructing networks, detecting statistically significant patterns in graphs, counting networked configurations with given properties. From a technical point of view, the ERGMs workflow is defined by two subsequent optimization steps: the first one concerns the maximization of Shannon entropy and leads to identify the functional form of the ensemble probability distribution that is maximally non-committal wi

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Jayaprakash, Aditya, and Mohammad R. Salavatipour. "Approximation Schemes for Capacitated Vehicle Routing on Graphs of Bounded Treewidth, Bounded Doubling, or Highway Dimension." ACM Transactions on Algorithms, February 2023. http://dx.doi.org/10.1145/3582500.

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In this paper, we present Approximation Schemes for Capacitated Vehicle Routing Problem (CVRP) on several classes of graphs. In CVRP, introduced by Dantzig and Ramser in 1959 [14], we are given a graph G = ( V , E ) with metric edges costs, a depot r ∈ V , and a vehicle of bounded capacity Q . The goal is to find a minimum cost collection of tours for the vehicle that returns to the depot, each visiting at most Q nodes, such that they cover all the nodes. This generalizes classic TSP and has been studied extensively. In the more general setting, each node v has a demand d v and the total deman

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Sundar Singh Sivam, S. P., Ganesh Babu Loganathan, K. Saravanan, V. G. Umasekar, and T. P. Mohammed Rameez. "Optimization of Passenger Car Door Impact Beam using Quasi Static CAE Analysis." International Journal of Vehicle Structures and Systems 11, no. 1 (2019). http://dx.doi.org/10.4273/ijvss.11.1.05.

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Automotive side impacts are particularly dangerous as location of impact is very close to the passenger, who can be immediately reached by the impacting vehicle. FMVSS 214 static is a US safety regulation for occupant safety during side impacts, in which the vehicle is tested at static loading conditions to measure its load baring capacity and integrity of side closures. The CAE load case, virtually simulating the test, was handled as a quasi-static problem in this study. Impact beam is a component that helps in improving vehicle passive safety performance during side impacts by minimizing doo

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Fan, Qingyang, Jie Wu, Yingbo Zhao, Yanxing Song, and Sining Yun. "High-throughput calculation screening for new silicon allotropes with monoclinic symmetry." IUCrJ 10, no. 4 (2023). http://dx.doi.org/10.1107/s2052252523004207.

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A total of 87 new monoclinic silicon allotropes are systematically scanned by a random strategy combined with group and graph theory and high-throughput calculations. The new allotropes include 13 with a direct or quasi-direct band gap and 12 with metallic characteristics, and the rest are indirect band gap semiconductors. More than 30 of these novel monoclinic Si allotropes show bulk moduli greater than or equal to 80 GPa, and three of them show even greater bulk moduli than diamond Si. Only two of the new Si allotropes show a greater shear modulus than diamond Si. The crystal structures, sta

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Cabrera García, Suitberto, Abel Cabrera Martínez, and Ismael G. Yero. "Quasi-total Roman Domination in Graphs." Results in Mathematics 74, no. 4 (2019). http://dx.doi.org/10.1007/s00025-019-1097-5.

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Ebrahimi, N., J. Amjadi, M. Chellali, and S. M. Sheikholeslami. "Quasi-total Roman reinforcement in graphs." AKCE International Journal of Graphs and Combinatorics, December 19, 2022, 1–8. http://dx.doi.org/10.1080/09728600.2022.2158051.

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"An Economic Analysis of Interest Rate Spread in the Commercial Bank of Bangladesh." Canadian Journal of Business and Information Studies, January 8, 2022, 1–11. http://dx.doi.org/10.34104/cjbis.022.01011.

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This study aims to present the discussion on the Interest Rate Spread (IRS) of the commercial banks in Bangladesh perspective. This paper also explains the interest rate spread in the commercial banks of Bangladesh using time series data of 60 banks covering the period of 1976 to 2020. The analysis shows that the higher the non-interest income as a ratio of total assets of a bank, the lower its spread. In this study, I tried to show the relationship among the lending interest rate with broad money, inflation, quasi money, official exchange rate, and personal remittance. Variables are using tim

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