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Journal articles on the topic 'Diagram correlation'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Pranata, Ogi Danika. "Analisis Korelasi Kualitas Free-Body Diagram dan Penguasaan Konsep Siswa Pada Materi Dinamika." Jurnal Ilmu Fisika dan Pembelajarannya (JIFP) 8, no. 1 (2024): 26–37. http://dx.doi.org/10.19109/rf6wgk84.

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The goal of learning physics is not to memorize the formulas or equations, but to increase conceptual understanding. For increase conceptual understanding about motion, force analysis skill is the most fundamental skills needed by students. Free-body diagram will help students to analyze force. So this study aims to determine and analyze the correlation between quality of free-body diagrams and mastery of dynamics concepts. The research was conducted at SMAN 2 Sungai Penuh. The population is students of XI MIA. Using whole population sampling, 50 students. The learning process and tests on dyn

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Nugroho, Heru Santoso Wahito, Sanglar Polnok, Tanko Titus Auta, et al. "What is a Good Way to Visualize the Positive Correlation between Two Numerical Variables?" Aloha International Journal of Multidisciplinary Advancement (AIJMU) 3, no. 2 (2021): 24. http://dx.doi.org/10.33846/aijmu30201.

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Most of the results of correlation analysis between variables are not equipped with visualization, so it is deemed necessary to explain how best to visualize the results of correlation analysis, especially for numerical variables. In this case, the best way to present correlations between numerical variables is a scatter diagram. If the points on the diagram are closer to the straight line, the higher the correlation coefficient, meaning that the degree of correlation is getting stronger. In this case, the positive correlation is indicated by the line from the lower left to the upper right. Th

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Yang, Xiao. "Analyzing correlation with BER: Constellation diagrams across various modulation modes and FDM/OFDM." Applied and Computational Engineering 34, no. 1 (2024): 139–46. http://dx.doi.org/10.54254/2755-2721/34/20230313.

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Over the last two decades, owing to rapid advancements in digital signal processing and integrated circuit technology, Frequency Division Multiplexing (FDM) and Orthogonal Frequency Division Multiplexing (OFDM) have emerged as pivotal technologies for wireless multimedia communication. Research reveals that coupling OFDM with diverse modulation modes aids in mitigating the Bit Error Rate (BER) during transmission. Nonetheless, a comprehensive elucidation remains absent regarding the interplay between constellation diagrams and BER, as well as the correlation between FDM and BER. Thus, the prim

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Huang, Xinkun, Jinyan Sang, Changrong Jin, Chao Tang, Luqi Yu, and Wenjing Gong. "Optimisation Study of the Production Layout of the Fertiliser Plant of LM Company." Journal of Business and Marketing 2, no. 1 (2025): 134–41. https://doi.org/10.62517/jbm.202509118.

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Whether the layout of the production workshop is reasonable or not is directly related to the production efficiency, logistics efficiency and production cost of the product, which is an important link that cannot be ignored in modern industrial production. Based on the theory of system layout planning (SLP), a comprehensive research and problem analysis on the current situation of the workshop layout of a chemical fertilizer production company was carried out, and the relevance of each working area and various materials in the workshop was obtained; then the logistics and non-logistics relatio

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Foerster, D. "Planar diagram approach to the correlation problem." Physical Review B 61, no. 8 (2000): R5066—R5069. http://dx.doi.org/10.1103/physrevb.61.r5066.

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Arifin, Mohammad Nazir, and Daniel Siahaan. "Structural and Semantic Similarity Measurement of UML Use Case Diagram." Lontar Komputer : Jurnal Ilmiah Teknologi Informasi 11, no. 2 (2020): 88. http://dx.doi.org/10.24843/lkjiti.2020.v11.i02.p03.

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Reusing software has several benefits ranging from reducing cost and risk, accelerating development, and its primary purposes are improving software quality. In the early stage of software development, reusing existing software artifacts may increase the benefit of reusing software because it uses mature artifacts from previous artifacts. One of software artifacts is diagram, and in order to assist the reusing diagram is to find the level of similarity of diagrams. This paper proposes a method for measuring the similarity of the use case diagram using structural and semantic aspects. For struc

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Eryshev, Vladimir, Nickolay Karpenko, and Artur Zhemchuyev. "INTEGRAL PARAMETERS OF CONCRETE DIAGRAMS FOR CALCULATIONS OF STRENGTH OF REINFORCED CONCRETE ELEMENTS USING THE DEFORMATION MODEL." International Journal for Computational Civil and Structural Engineering 16, no. 1 (2020): 25–37. http://dx.doi.org/10.22337/2587-9618-2020-16-1-25-37.

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In accordance with the requirements of regulatory documents, restrictions are introduced on stress levels at the end of the falling branch of the diagrams at the maximum normalized strain values. We have developed mathematical models that establish a uniform sequence for calculating the unambiguous values of deformations at the base points of concrete diagrams, taking into account the accepted functional relationships and the rules for their use according to the tables of normative documents. It was shown that for equal values of deformations and stresses at base points, analytical expressions

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Lei, Ya-Juan. "X-ray cross-correlation analysis of the low-mass X-ray binary 4U 1636-53." Proceedings of the International Astronomical Union 10, S306 (2014): 397–99. http://dx.doi.org/10.1017/s1743921314010655.

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AbstractWe analyze the cross-correlation function of the soft and hard X-rays of the atoll source 4U 1636-53 with RXTE data. The results show that the cross-correlations evolve along the different branches of the color-color diagram. At the lower left banana states, we have both positive and ambiguous correlations, and positive correlations are dominant for the lower banana and the upper banana states. The anti-correlation is detected at the top of the upper banana states. The cross-correlations of two atoll sources 4U 1735-44 and 4U 1608-52 have been studied in previous work, and the anti-cor

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Amirfeyz, Rouin, Sanchit Mehendale, Sarah Tyrrell, Raj Bhatia, Ian Leslie, and Gordon Bannister. "KATZ AND STIRRAT HAND DIAGRAM REVISITED." Hand Surgery 15, no. 02 (2010): 71–73. http://dx.doi.org/10.1142/s0218810410004667.

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Katz and Stirrat devised a hand diagram, which uses subjective information from the patient for the diagnosis of carpal tunnel syndrome (CTS). They reported a good result. We tested the inter-observer and intra-observer reliability of this hand diagram. Twenty five consecutive patients with a diagnosis of CTS, 25 with other common hand and wrist problems but CTS and 25 healthy individuals were prospectively recruited. Each patient filled in a hand diagram. Two experienced hand surgeon scored the diagrams blindly on two different sittings four-week apart. The intra-class correlation coefficient

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Li, Q., Z. Li, L. Chen, and C. Yao. "Regionalization of coaxial correlation diagrams for the semi-humid and semi-arid catchments in Northern China." Proceedings of the International Association of Hydrological Sciences 368 (May 7, 2015): 317–22. http://dx.doi.org/10.5194/piahs-368-317-2015.

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Abstract. This study aims to identify both hydrologically and physically similar catchments which would be the best donors for runoff prediction in ungauged catchments. For this study, eight gauged catchments located in the semi-humid and semi-arid regions of Northern China were used. Hydrological similarity was defined based on the transferability of coaxial correlation diagrams. The physical similarity among catchments was determined by a weighted Euclidean distance based on 19 catchment descriptors including catchment topography, land cover, and soil type. The overlap between hydrologically

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11

Zhang, Chun You, and Xiao Qiang Wu. "Intrusion Scenario Dynamic Correlation Algorithm Based on Single Value Causality Diagram." Advanced Materials Research 926-930 (May 2014): 3063–67. http://dx.doi.org/10.4028/www.scientific.net/amr.926-930.3063.

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In order to obtain the effective network intrusion alarm information, and reveal the intention of attackers, an intrusion scenario dynamic correlation algorithm is proposed based on single value causality diagram. According to the composition principle of single value causality diagram, the key factors of the cause and effect diagram are defined. By relating the alarm information of intrusion detection system, attack scenarios are constructed based on cause and effect diagram, and dynamic correction is conduct. Based on the MIT Lincoln laboratory data sets, the correlation test is done using t

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12

Schulze, W., and D. Kolb. "H+2 correlation diagram from finite element calculations." Chemical Physics Letters 122, no. 3 (1985): 271–75. http://dx.doi.org/10.1016/0009-2614(85)80575-3.

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Li, Qiaoling, Zhijia Li, Yuelong Zhu, Yuanqian Deng, Ke Zhang, and Cheng Yao. "Hydrological regionalisation based on available hydrological information for runoff prediction at catchment scale." Proceedings of the International Association of Hydrological Sciences 379 (June 5, 2018): 13–19. http://dx.doi.org/10.5194/piahs-379-13-2018.

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Abstract. Regionalisation provides a way of transferring hydrological information from gauged to ungauged catchments. The past few decades has seen several kinds of regionalisation approaches for catchment classification and runoff predictions. The underlying assumption is that catchments having similar catchment properties are hydrological similar. This requires the appropriate selection of catchment properties, particularly the inclusion of observed hydrological information, to explain the similarity of hydrological behaviour. We selected observable catchments properties and flow duration cu

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Burlyaeva, E. V., V. V. Burlyaev, V. V. Kononenko, and V. S. Tsekhanovich. "Verification of functional models of chemical manufacturing." Fine Chemical Technologies 14, no. 4 (2019): 69–76. http://dx.doi.org/10.32362/2410-6593-2019-14-4-69-76.

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A generalized algorithm for the verification of functional models and the rules for the verification of diagrams related by levels of detail were developed in this paper. The algorithm is based on the analysis of a tree which describes the decompose relations in functional diagrams. At each step of the algorithm, a pair consisting of a parent diagram and a functional diagram is selected, and the correlation of the arrows and their roles is checked for both. The formalization of the verification rules was based on the set-theoretic representation of functional diagrams in the form of labeled or

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Su, Zhu, Weibing Deng, Jihui Han, Wei Li, and Xu Cai. "Occurrence of synchronized flow due to overtaking strategy in the Nagel–Schreckenberg model." International Journal of Modern Physics C 27, no. 12 (2016): 1650147. http://dx.doi.org/10.1142/s0129183116501473.

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The Nagel–Schreckenberg model with overtaking strategy (NSOS) is proposed, and numerical simulations are performed for both closed and open boundary conditions. The fundamental diagram, space-time diagram and spatial-temporal distribution of speed are investigated. In order to identify the synchronized flow state, both the correlation functions (autocorrelation and cross-correlation) and the one-minute average flow rate versus density diagram are studied. All the results verify that synchronized flow does occur in our model.

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Shigabaeva, G. N., and E. O. Akhtyrskaya. "Correlation analysis of heavy metals in sediments." Izvestiya MGTU MAMI 8, no. 2-3 (2014): 55–59. http://dx.doi.org/10.17816/2074-0530-67561.

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This paper presents the results of chemical analysis of lakes sediments in the taiga zone of Western Siberia. The total content and mobile forms of heavy metals are determined, correlation diagram for the heavy metal content is made, Clarke concentrations are calculated. There is constructed a matrix of pair correlations using the program Statistika 6.0.

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Hasegawa, Shinji, Masatake Kawada, Takashi Semura, Shiro Matsumura, Kenji Muto, and Koichi Nakamura. "Auto Recognition of Handwriting Sequence Diagram using Correlation Method." IEEJ Transactions on Industry Applications 122, no. 2 (2002): 191–92. http://dx.doi.org/10.1541/ieejias.122.191.

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Chayes, J. T., L. Chayes, and J. Machta. "Phase diagram and correlation length bounds for Mandelbrot aerogels." Journal of Physics A: Mathematical and General 26, no. 17 (1993): 4249–71. http://dx.doi.org/10.1088/0305-4470/26/17/031.

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Biebighauser, Daniel P., John Gregoire, and Darin J. Ulness. "General counting formulae for factorized time correlation diagram analysis." Physica A: Statistical Mechanics and its Applications 320 (March 2003): 1–10. http://dx.doi.org/10.1016/s0378-4371(02)01594-7.

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Aldoroty, L., L. Wang, P. Hoeflich, et al. "Bump Morphology of the CMAGIC Diagram." Astrophysical Journal 948, no. 1 (2023): 10. http://dx.doi.org/10.3847/1538-4357/acad78.

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Abstract We apply the color–magnitude intercept calibration method (CMAGIC) to the Nearby Supernova Factory SNe Ia spectrophotometric data set. The currently existing CMAGIC parameters are the slope and intercept of a straight line fit to the linear region in the color–magnitude diagram, which occurs over a span of approximately 30 days after maximum brightness. We define a new parameter, ω XY , the size of the “bump” feature near maximum brightness for arbitrary filters X and Y. We find a significant correlation between the slope of the linear region, β XY , in the CMAGIC diagram and ω XY . T

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Zhiyong, Li, Zhao Hongdong, Zeng Ruili, Xia Kewen, Guo Qiang, and Li Yuhai. "Fault Identification Method of Diesel Engine in Light of Pearson Correlation Coefficient Diagram and Orthogonal Vibration Signals." Mathematical Problems in Engineering 2019 (February 27, 2019): 1–10. http://dx.doi.org/10.1155/2019/2837580.

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In order to select fault feature parameters simply and quickly and improve the identification rate of diesel engine faults by using the vibration signals, this paper proposes a diesel engine fault identification method on the basis of the Pearson correlation coefficient diagram (PCC Diagram) and the orthogonal vibration signals. At first, the orthogonal vibration acceleration signals are synchronously acquired in the direction of the top and side of the cylinder head. And the time-domain feature parameters are extracted from the orthogonal vibration acceleration signals to obtain the Pearson c

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Milošević, Nenad Zoran, Aleksandar Stojan Sedmak, Gordana Miodrag Bakić, et al. "Determination of the Actual Stress–Strain Diagram for Undermatching Welded Joint Using DIC and FEM." Materials 14, no. 16 (2021): 4691. http://dx.doi.org/10.3390/ma14164691.

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This paper presents new methodology for determining the actual stress–strain diagram based on analytical equations, in combination with numerical and experimental data. The first step was to use the 3D digital image correlation (DIC) to estimate true stress–strain diagram by replacing common analytical expression for contraction with measured values. Next step was to estimate the stress concentration by using a new methodology, based on recently introduced analytical expressions and numerical verification by the finite element method (FEM), to obtain actual stress–strain diagrams, as named in

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Liu, Weian, and Tara Hutchinson. "Characterizing Seismic Resiliency Using an Energy Dissipation-Recentering Correlation Diagram." Earthquake Spectra 32, no. 3 (2016): 1545–64. http://dx.doi.org/10.1193/101214eqs154m.

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For a structural system, the potential to dissipate energy and recenter during an earthquake are two important characteristics that support seismic resiliency. This paper proposes two dimensionless parameters, namely, an energy dissipation ratio ( R ED) and a recentering ratio ( R RC), to quantify the potential of an inelastic mechanism to dissipate hysteretic energy and recover from inelastic deformations, respectively. For most mechanisms used in seismic design, these two parameters are not independent, but rather, they are inherently related. In this work, an R ED- R RC correlation diagram

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Li, Yang, Xiaohua Zhao, Qing He, Lihua Huang, and Jian Rong. "Comprehensive Evaluation and Classification of Interchange Diagrammatic Guide Signs’ Complexity." Journal of Advanced Transportation 2018 (2018): 1–11. http://dx.doi.org/10.1155/2018/9865305.

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The effectiveness of interchange diagrammatic guide signs has significant meaning in traffic safety and driver’s understanding. This paper presented a comprehensive evaluation and classification of interchange diagrammatic guide signs’ complexity. The effectiveness of interchange diagrammatic guide signs relies on how well road users can understand those diagrams. This study tested 37 types of diagrams on the visual recognition complexity degree in three levels, general level, partial level, and detailed level, and finally seven indexes are selected to evaluation and classification of intercha

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Rybakov, Vladimir, and Alexander Sergey. "Mathematical Analogy between Non-Uniform Torsion and Transverse Bending of Thin-Walled Open Section Beams." Applied Mechanics and Materials 725-726 (January 2015): 746–51. http://dx.doi.org/10.4028/www.scientific.net/amm.725-726.746.

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The objective of this work is to identify and make an analysis of correlation between functions of bimoments and function of bending moments arising in the beams under the same loads. This article shows the possibility of using a diagram of bending moment multiplied by a factor as a diagram of bimoment. The maximum deviation between diagram of bending moment and diagram of bimoment made up 3.6 % of maximum bending moment in case of uniformly distributed load on one side of fixed supported beam.

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Thakur, Abhishek Kumar, Rajendra Prasad Gorrey, Vikas Jindal, and Krishna Muralidharan. "A data-driven approach to approximate the correlation functions in cluster variation method." Modelling and Simulation in Materials Science and Engineering 30, no. 1 (2021): 015001. http://dx.doi.org/10.1088/1361-651x/ac3a16.

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Abstract The cluster variation method is one of the thermodynamic models used to calculate phase diagrams considering short range order (SRO). This method predicts the SRO values through internal variables referred to as correlation functions (CFs), accurately up to the cluster chosen in modeling the system. Determination of these CFs at each thermodynamic state of the system requires solving a set of nonlinear equations using numerical methods. In this communication, a neural network model is proposed to predict the values of the CFs. This network is trained for the bcc phase under tetrahedro

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Corchero, R., A. Marcilla, M. M. Olaya, P. Carbonell-Hermida, and A. Soto. "Equilibria and correlation of systems involving 1-hexyl-3-methylpyridinium trifluoromethanesulfonate." RSC Advances 9, no. 72 (2019): 42524–32. http://dx.doi.org/10.1039/c9ra09283h.

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Kamenshchik, Alexander Y., Alexei A. Starobinsky, and Tereza Vardanyan. "Scalar fields in the de Sitter spacetime." Journal of Physics: Conference Series 2531, no. 1 (2023): 012007. http://dx.doi.org/10.1088/1742-6596/2531/1/012007.

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Abstract We examine long-wavelength correlation functions of massive scalar fields in de Sitter spacetime. For the theory with a quartic self-interaction, the two-point function is calculated up to two loops. Comparing our results with the Hartree-Fock approximation and with the stochastic approach shows that the former resums only the cactus type diagrams, whereas the latter contains the sunset diagram as well and produces the correct result. We compare our results with the preceding results obtained for the massless scalar field.

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Dr., R. Ganesh, and Dr.G.Prabu. "Determination of Internet Banking Usage and Purpose with Explanation of Data Flow Diagram and Use Case Diagram." International Journal of Management and Humanities (IJMH) 4, no. 7 (2020): 52–58. https://doi.org/10.35940/ijmh.G0674.034720.

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The performance of the banking industry rapidly urbanized with the support of technological development. The advancement of digitalization of banking industry should help the customers to make their transactions without being in person in banks. This study is going to explicate the usage pattern and purpose of internet banking users, for this intention the data flow and use case diagram methods are adopted to explain the process of varies activity that is highly related to banking industry. The 121 samples were collected using questionnaire method in an around Salem District. Friedman rank cor

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Haubner, Roland, and Susanne Strobl. "Slag Investigations from Bronze Age Copper Smelting Sites." Materials Science Forum 891 (March 2017): 608–12. http://dx.doi.org/10.4028/www.scientific.net/msf.891.608.

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During the Bronze Age intensive mining and smelting activities for copper production took place in the Eastern Alps. To get information about the copper smelting process, the elemental compositions of slags are marked in equilibrium phase diagrams (e.g. FeO-CaO-SiO2) and so the melting properties can be estimated. Doing so you have to keep in mind that slags have complex compositions and phase diagrams are available for three compounds only. For the analytical measurements it has to be ensured that only molten parts of the slag are measured and not contamination of other ambient material. Spot

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Nohira, Hiroyuki, and Toshiyuki Nohira. "Revisiting the von Neumann–Wigner noncrossing rule and validity of a dynamic correlation diagram method." Journal of Theoretical and Computational Chemistry 18, no. 02 (2019): 1950013. http://dx.doi.org/10.1142/s0219633619500135.

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The noncrossing rule for potential energy surfaces can be applied only, as originally postulated by von Neumann and Wigner, to slowly occurring changes; it has, however, over many years, been widely used to rationalize fast chemical reactions. Taking the conversion of Dewar benzene to benzene as an example, we demonstrate a reaction that has a timescale for which crossings are allowed. Since it is now established that elementary chemical reactions proceed over ca. 10–100[Formula: see text]fs, as revealed experimentally by Zewail, the noncrossing rule cannot any longer be said to be valid for m

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Hu, Lin, Qujin Cui, Yaqin Zhang, et al. "Exploration of Light-Controlled Chemical Behavior and Mechanism in a Macrocyclic Copper Complex Catalyst–Acetone–Glucose–Bromate–Sulfuric Acid Oscillation System." Catalysts 9, no. 1 (2019): 65. http://dx.doi.org/10.3390/catal9010065.

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In this paper, the effect of ultraviolet light on the [CuL](ClO4)2–glucose (Glu)–acetone (Act)–sodium bromate (NaBrO3)–sulfuric acid (H2SO4) oscillation system was studied. The reaction mechanism and Oregonator model were established to verify the mechanism. Comparison of the bromide ion electrode–platinum electrode correlation diagrams with and without ultraviolet light reveals a nontracking phenomenon in the bromide ion electrode–platinum electrode correlation diagram under illumination, indicating that the illumination will affect the changes in the bromide ion concentration in the system.

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Li, Haochuan, Jingtao Zhu, Zhanshan Wang, Hong Chen, Yuzhu Wang, and Jie Wang. "Integration method for directly analyzing interface statistics of periodic multilayers from X-ray scattering." Journal of Synchrotron Radiation 21, no. 1 (2013): 97–103. http://dx.doi.org/10.1107/s1600577513024296.

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An integration method is demonstrated for directly determining the average interface statistics of periodic multilayers from the X-ray scattering diagram. By measuring the X-ray scattering diagram in the out-of-plane geometry and integrating the scattered intensity along the vertical momentum transferqzin an interval, which is decided by the thickness ratio Γ (ratio of sublayer's thickness to periodic thickness), the cross-correlations between different interfaces are canceled and only the autocorrelations are reserved. Then the multilayer can be treated as a `single interface' and the average

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Marcilla, Antonio, María del Mar Olaya, Paloma Carbonell-Hermida, et al. "Acetone + 1-ethyl-3-methylimidazolium acetate phase diagram: A correlation challenge." Fluid Phase Equilibria 557 (June 2022): 113419. http://dx.doi.org/10.1016/j.fluid.2022.113419.

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Kolomeisky, Eugene B., and Joseph P. Straley. "Phase diagram and correlation exponents for interacting fermions in one dimension." Reviews of Modern Physics 68, no. 1 (1996): 175–214. http://dx.doi.org/10.1103/revmodphys.68.175.

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Tan, Mao, Bian Xiufang, Xue Xianying, Zhang Yanning, Guo Jing, and Sun Baoan. "Correlation between viscosity of molten Cu–Sn alloys and phase diagram." Physica B: Condensed Matter 387, no. 1-2 (2007): 1–5. http://dx.doi.org/10.1016/j.physb.2005.10.140.

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Kocharian, A., and A. Sogomonian. "Phase diagram and correlation function decay of bipolarons in 2D lattices." Physica B: Condensed Matter 194-196 (February 1994): 445–46. http://dx.doi.org/10.1016/0921-4526(94)90552-5.

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Nishizawa, T., I. Ohnuma, and K. Ishida. "Correlation between interfacial energy and phase diagram in ceramic-metal systems." Journal of Phase Equilibria 22, no. 3 (2001): 269–75. http://dx.doi.org/10.1361/105497101770338761.

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Latgé, A., E. V. Anda, and J. L. Morán-López. "Effects of correlation and disorder on the phase diagram ofYBa2Cu3O6+x." Physical Review B 42, no. 4 (1990): 2543–46. http://dx.doi.org/10.1103/physrevb.42.2543.

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Calvet, M. T., M. A. Cuevas-Diarte, Y. Haget, P. R. van der Linde, and H. A. J. Oonk. "Binary p-dihalobenzene systems - correlation of thermochemical and phase-diagram data." Calphad 15, no. 3 (1991): 225–34. http://dx.doi.org/10.1016/0364-5916(91)90002-2.

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Lai, Fu-Der, Yen-Ting Lai, and Chang-Song Chen. "Big Data Analysis, Design, Effect Fabrication, and Properties Analysis of SiO2/Cr/SiO2 Colored Solar Selective Absorbers with High PTCE and Chromaticity for Building Applications." Materials 17, no. 23 (2024): 5810. http://dx.doi.org/10.3390/ma17235810.

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In today’s era of rapid computing, advanced big data analytics enables precise results and efficient trend analysis. By leveraging these tools, the influence of various film thicknesses of Colored Solar Selective Absorbers (CSSAs) on solar absorption efficiency (αs) and chromaticity was investigated. A clear and visually informative Chromaticity Coordinate Distribution (CCD) versus αs diagram was constructed within the CIE xy chromaticity diagram, establishing a correlation between chromaticity and αs. Photo-Thermal Conversion Efficiency (PTCE) ≈ αs − 2% when αs ≥ 90%. Subsequently, utilizing

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Fayydh, Adnan. "EVALUATION OF GROUNDWATER QUALITY IN AL-WAFFA AND KUBAYSA AREAS USING MULTIVARIATE STATISTICAL ANALYSIS, AL-ANBAR, WESTERN IRAQ." Iraqi Geological Journal 53, no. 2D (2020): 107–27. http://dx.doi.org/10.46717/igj.53.2d.8ms-2020.10-30.

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The groundwater is a substantial source of fresh water and has been used for various anthropogenic uses. The aim of this work is to investigate groundwater quality and type in kubaysa and AL-Waffa areas, Anbar, Iraq using multivariate statistics approach. The groundwater was sampled from ten wells for each region during the period from October 2018 to March 2019. The levels of T, TUR, pH, EC, TDS, DO, COD, TH, Na+, K+, Ca2+, Mg2+, NH4+, Cl-, F-, SO42-,, NO3-, HCO3-, S-2 and SiO2, were measured. The majority of the physicochemical parameters exceed the permissible guidelines. Pearson’s Correlat

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DAS, ROSALIN. "GROUNDWATER QUALITY INDEX, STATISTICAL CORRELATION, SEASONAL AND ANNUAL COMPARATIVE HYDROCHEMICAL ANALYSIS OF ATHGARH BASIN, INDIA: AN INTEGRATED EMPIRICAL STUDY." Pollution Research 42, no. 01 (2023): 124–34. http://dx.doi.org/10.53550/pr.2023.v42i01.020.

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This study aimed to explore and understand groundwater hydrochemistry, evaluate the groundwater quality of the Athgarh basin comprehensively using Water Quality Index (WQI) and statistical correlations. Accordingly, the quality of the groundwater was assessed for drinking purposes. Moreover, seasonal variation and annual variation of water quality have been monitored for two consecutive years after systematic collection of groundwater samples and their methodical physico-chemical analysis. For calculating the WQI, 13 parameters (viz., pH, EC, total dissolved solids, total hardness, calcium, so

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Yang, Yixin, and Deyu Li. "Analysis of Factors Affecting Carbon Emissions based on Gray Correlation Analysis." Frontiers in Sustainable Development 4, no. 3 (2024): 76–81. http://dx.doi.org/10.54691/41rt3m41.

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In order to explore the influencing factors of carbon dioxide emissions, this paper collects data on carbon emissions and several influencing factors that may be related to its changes from 2004 to 2021, considering that too many indicators may make the data redundant and lack of representativeness, using the K-Means clustering algorithm to classify the indicators and defining the names of the corresponding first-level indicators, and analyzing the elbow diagrams for the determination of the model K-value. For the determination of the K value of the model, the optimal number of clusters was an

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ElMassalami, M., P. B. Castro та M. B. Silva Neto. "Correlations among T_c, A, and Γ _ο within FL region of T-p phase diagram of heavy-Fermion superconductors". Journal of Physics: Conference Series 2164, № 1 (2022): 012031. http://dx.doi.org/10.1088/1742-6596/2164/1/012031.

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Abstract Extensively reported experimental observations indicate that on varying a control parameter, such as pressure p, within the phase diagram of most quantum critical heavy fermion HF superconductors, one identifies a cascade of distinct electronic states which may be magnetic, of Kondo-type, non-conventional superconducting, Fermi Liquid, FL, or non-FL character. Of particular interest is the part of the phase diagram wherein superconductivity emerges from a strongly renormalized FL state. This region resembles the overdoped region of the T-doping phase diagram of cuprate superconductors

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Sapre, A. K., and V. D. Mishra. "On the Nature of the Redshifts of the Twin Quasars with Discrepant Redshifts." Publications of the Astronomical Society of Australia 9, no. 1 (1991): 91–92. http://dx.doi.org/10.1017/s1323358000025017.

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AbstractWe examine the nature of the redshifts of twin quasars with discrepant redshifts (θ < 100 arcsec, Δz ≥ 0.5) by considering their Hubble diagram. If such twins are physically associated one expects a large scatter in their Hubble diagram. However, we find a statistically significant linear correlation between log (cz) and Vc magnitudes of such quasars, consistent with the hypothesis that their redshifts are cosmological in nature.

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Hafidhah Nurul Haq, Mega Fatimah Rosana, Cipta Endyana, Katon Sena Ajie Nugraha, and Irpan Alamsyah. "Geochemistry of Igneous Rocks of Citirem Formation and Its Implications for the Tectonic Setting in Ciletuh – Palabuhanratu UNESCO Global Geopark Area." Journal of Geoscience, Engineering, Environment, and Technology 9, no. 1 (2024): 58–68. http://dx.doi.org/10.25299/jgeet.2024.9.1.14367.

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The igneous rocks of the Citirem Formation in the Ciletuh – Palabuhanratu UNESCO Global Geopark area petrographically not only consist of basalt, but also andesite, dacite, and gabbro. The characteristics of basalts Citirem Formation are composed of plagioclase 43% – 58% and olivine, mostly have amygdaloidal and aphanitic textures. Andesites are composed of 45% – 65% plagioclase, absence of olivine, mostly aphanitic and trachytic, some have intergranular textures. Dacite comprises 50% plagioclase, 20% quartz, and the absence of olivine, and aphanitic, intersertal textures. Gabbros are composed

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Спевак, Е. Л., Ю. Д. Панов та А. С. Москвин. "Критические температуры модели локальных бозонов на квадратной решетке в приближении Бете". Физика твердого тела 63, № 9 (2021): 1355. http://dx.doi.org/10.21883/ftt.2021.09.51265.08h.

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We consider the inclusion of short-range correlations for a two-dimensional model of local bosons on a square lattice in the framework of the Bethe approximation for clusters of 2 and 4 sites. Explicit equations are obtained for determining the critical temperatures of charge and superfluid ordering and their solutions are considered for various ratios of the charge-charge correlation parameter and the transfer integral. It is shown that taking into account short-range correlations for temperatures of charge ordering leads to the appearance of a critical concentration of bosons, limiting the r

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Смирнов, А. В. "PREDICTION OF EYE-DIAGRAM PARAMETERS FROM TRANSIENT AND GAIN-FREQUENCY CHARACTERISTICS USING NEURAL NETWORK." МОДЕЛИРОВАНИЕ, ОПТИМИЗАЦИЯ И ИНФОРМАЦИОННЫЕ ТЕХНОЛОГИИ 6, no. 3(22) (2018): 73–87. http://dx.doi.org/10.26102/2310-6018/2018.22.3.006.

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Исследована возможность оценки ширины и высоты глазка глазковой диаграммы (ГД) с применением искусственных нейронных сетей (ИНС). С этой целью выполнено моделирование более 750 примеров каналов связи с различными передаточными функциями. Для каждого примера сформирована ГД путем свертки случайной последовательности импульсов с импульсной характеристикой канала и измерены ее параметры. Полученные результаты использованы для обучения ИНС, входными переменными которых являются параметры переходной характеристики: длительность задержки, длительность фронта, величина выброса и длительность колебате

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Howarth, Dean, and Joel Giedt. "The sigma meson from lattice QCD with two-pion interpolating operators." International Journal of Modern Physics C 28, no. 10 (2017): 1750124. http://dx.doi.org/10.1142/s0129183117501248.

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In this paper, we describe our studies of the sigma meson, [Formula: see text], using two-pion correlation functions. We use lattice quantum chromodynamics in the quenched approximation with so-called clover fermions. By working at unphysical pion masses we are able to identify a would-be resonance with mass less than [Formula: see text], and then extrapolate to the physical point. We include the most important annihilation diagram, which is “partially disconnected” or “single annihilation”. Because this diagram is quite expensive to compute, we introduce a somewhat novel technique for the com

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