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Artículos de revistas sobre el tema "Separating set consistency"

Autor: Grafiati

Publicado: 25 de mayo de 2024

Última modificación: 31 de julio de 2025

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1

Santos, Augusto, Diogo Rente, Rui Seabra, and José M. F. Moura. "Learning the Causal Structure of Networked Dynamical Systems under Latent Nodes and Structured Noise." Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 13 (2024): 14866–74. http://dx.doi.org/10.1609/aaai.v38i13.29406.

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This paper considers learning the hidden causal network of a linear networked dynamical system (NDS) from the time series data at some of its nodes -- partial observability. The dynamics of the NDS are driven by colored noise that generates spurious associations across pairs of nodes, rendering the problem much harder. To address the challenge of noise correlation and partial observability, we assign to each pair of nodes a feature vector computed from the time series data of observed nodes. The feature embedding is engineered to yield structural consistency: there exists an affine hyperplane

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2

Fors, Ane S., Camilla Brekke, Anthony P. Doulgeris, Torbjørn Eltoft, Angelika H. H. Renner, and Sebastian Gerland. "Late-summer sea ice segmentation with multi-polarisation SAR features in C and X band." Cryosphere 10, no. 1 (2016): 401–15. http://dx.doi.org/10.5194/tc-10-401-2016.

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Abstract. In this study, we investigate the potential of sea ice segmentation by C- and X-band multi-polarisation synthetic aperture radar (SAR) features during late summer. Five high-resolution satellite SAR scenes were recorded in the Fram Strait covering iceberg-fast first-year and old sea ice during a week with air temperatures varying around 0 °C. Sea ice thickness, surface roughness and aerial photographs were collected during a helicopter flight at the site. Six polarimetric SAR features were extracted for each of the scenes. The ability of the individual SAR features to discriminate be

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3

Zaytsev, Sergey V. "SYSTEM ANALYSIS IN THE STUDY OF COMPLEX STRUCTURED SYSTEMS." EKONOMIKA I UPRAVLENIE: PROBLEMY, RESHENIYA 10/3, no. 130 (2022): 94–102. http://dx.doi.org/10.36871/ek.up.p.r.2022.10.03.011.

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The concept of a system develops together with all system analysis. But the starting point of defining a system is to compare it with the environment, the outer shell. The environment is a very important concept, covering what is not included in the system, and the system is a finite set of objects isolated from the environment. There are many different connections that form the relationship between the environment and the system. Separating the system from the environment is the primary task of system analysis. The vital activity of the system and the result of solving the problem depend on i

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4

Dølven, Knut Ola, Juha Vierinen, Roberto Grilli, Jack Triest, and Bénédicte Ferré. "Response time correction of slow-response sensor data by deconvolution of the growth-law equation." Geoscientific Instrumentation, Methods and Data Systems 11, no. 2 (2022): 293–306. http://dx.doi.org/10.5194/gi-11-293-2022.

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Abstract. Accurate high-resolution measurements are essential to improve our understanding of environmental processes. Several chemical sensors relying on membrane separation extraction techniques have slow response times due to a dependence on equilibrium partitioning across the membrane separating the measured medium (i.e., a measuring chamber) and the medium of interest (i.e., a solvent). We present a new technique for deconvolving slow-sensor-response signals using statistical inverse theory; applying a weighted linear least-squares estimator with the growth law as a measurement model. The

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5

Remsberg, Ellis, Murali Natarajan, and V. Lynn Harvey. "On the consistency of HNO<sub>3</sub> and NO<sub>2</sub> in the Aleutian High region from the Nimbus 7 LIMS Version 6 data set." Atmospheric Measurement Techniques 11, no. 6 (2018): 3611–26. http://dx.doi.org/10.5194/amt-11-3611-2018.

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Abstract. This study uses photochemical calculations along kinematic trajectories in conjunction with Limb Infrared Monitor of the Stratosphere (LIMS) observations to examine the changes in HNO3 and NO2 near 30 hPa in the region of the Aleutian High (AH) during the minor warming event of January 1979. An earlier analysis of Version 5 (V5) LIMS data indicated increases in HNO3 without a corresponding decrease in NO2 in that region and a quasi-wave 2 signature in the zonal distribution of HNO3, unlike the wave 1 signal in ozone and other tracers. Version 6 (V6) LIMS also shows an increase of HNO

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6

Interlenghi, Gabriela S., Michael E. Reichenheim, Ana M. Segall-Corrêa, Rafael Pérez-Escamilla, Claudia L. Moraes, and Rosana Salles-Costa. "Suitability of the eight-item version of the Brazilian Household Food Insecurity Measurement Scale to identify risk groups: evidence from a nationwide representative sample." Public Health Nutrition 22, no. 5 (2018): 776–84. http://dx.doi.org/10.1017/s1368980018003592.

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AbstractObjectiveThe Brazilian Household Food Insecurity Measurement Scale (EBIA) has eight general/adult items applied in all households and six additional items exclusively asked in households with children and/or adolescents (HHCA). Continuing an investigation programme on the adequacy of model-based cut-off points for EBIA, the present study aims to: (i) explore the capacity of properly stratifying HHCA according to food insecurity (FI) severity level by applying only the eight ‘generic’ items; and (ii) compare it against the fourteen-item scale.DesignLatent class factor analysis (LCFA) mo

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7

Fang, Jie, Yu Liu, and Guofeng Liu. "Enhancing body waves in passive seismic reflection exploration: A case study in Inner Mongolia, China." Interpretation 10, no. 2 (2022): B13—B24. http://dx.doi.org/10.1190/int-2021-0113.1.

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Among all geophysical exploration methods, seismic exploration is undoubtedly the most important due to its ability to allow depth exploration at high resolutions. Traditionally speaking, the method needs an active seismic source, such as dynamite, to generate energy and perform reflection and refractions. An active source usually means high cost, and it also can be quite difficult to implement when surface conditions are particularly complex. The use of passive seismic for reflection exploration does not require an active seismic source. It has the potential of providing a low-cost alternativ

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8

Raptis, Sotirios, and Dimitris Koutsouris. "2D Fast Vessel Visualization Using a Vessel Wall Mask Guiding Fine Vessel Detection." International Journal of Biomedical Imaging 2010 (2010): 1–20. http://dx.doi.org/10.1155/2010/580518.

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The paper addresses the fine retinal-vessel's detection issue that is faced in diagnostic applications and aims at assisting in better recognizing fine vessel anomalies in 2D. Our innovation relies in separating key visual features vessels exhibit in order to make the diagnosis of eventual retinopathologies easier to detect. This allows focusing on vessel segments which present fine changes detectable at different sampling scales. We advocate that these changes can be addressed as subsequent stages of the same vessel detection procedure. We first carry out an initial estimate of the basic vess

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9

Chen, Haoyang. "Open Set Domain Adaptation with Vision-language Models via Gradient-aware Separation." Applied and Computational Engineering 157, no. 1 (2025): 102–11. https://doi.org/10.54254/2755-2721/2025.po24672.

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Open-Set Domain Adaptation (OSDA) confronts the dual challenge of aligning known-class distributions across domains while identifying target-domain-specific unknown categories. Current approaches often fail to leverage semantic relationships between modalities and struggle with error accumulation in unknown sample detection. We propose to harness Contrastive Language-Image Pretraining (CLIP) to address these limitations through two key innovations: 1)Prompt-driven cross-domain alignment: Learnable textual prompts conditioned on domain discrepancy metrics dynamically adapt CLIPs text encoder, e

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10

Shirmard, Hodjat, Ehsan Farahbakhsh, Amin Beiranvand Pour, Aidy M. Muslim, R. Dietmar Müller, and Rohitash Chandra. "Integration of Selective Dimensionality Reduction Techniques for Mineral Exploration Using ASTER Satellite Data." Remote Sensing 12, no. 8 (2020): 1261. http://dx.doi.org/10.3390/rs12081261.

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There are a significant number of image processing methods that have been developed during the past decades for detecting anomalous areas, such as hydrothermal alteration zones, using satellite images. Among these methods, dimensionality reduction or transformation techniques are known to be a robust type of methods, which are helpful, as they reduce the extent of a study area at the initial stage of mineral exploration. Principal component analysis (PCA), independent component analysis (ICA), and minimum noise fraction (MNF) are the dimensionality reduction techniques known as multivariate st

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11

BABENKO, Kateryna. "DEVELOPMENT OF RENDERING SKILLS OF ENGLISH TOPICAL TEXTS WITH STUDENTS OF JUNIOR COURSES." Cherkasy University Bulletin: Pedagogical Sciences, no. 4 (2024): 43–48. https://doi.org/10.31651/2524-2660-2024-4-43-48.

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Summary. Introduction. The article retraces the training tendencies of the students with different kinds of monologue speech. The methodologies of mastering in everyday and professional vocabulary are distinguished by the researches. The pedagogues propose the students different kinds of tasks. These tasks are oriented for the learning and representation of English thematic texts. Special kinds of tasks recommend to future specialists for learning and using specialized texts in their professional communication. The purpose of the article is to determine the principles of forming the skills of

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Hinrichsen, Jonas Kastberg, Jules Jacobs, and Robbert Krebbers. "Multris: Functional Verification of Multiparty Message Passing in Separation Logic." Proceedings of the ACM on Programming Languages 8, OOPSLA2 (2024): 1446–74. http://dx.doi.org/10.1145/3689762.

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We introduce Multris, a separation logic for verifying functional correctness of programs that combine multiparty message-passing communication with shared-memory concurrency. The foundation of our work is a novel concept of multiparty protocol consistency, which guarantees safe communication among a set of parties, provided each party adheres to its prescribed protocol. Our concept of protocol consistency is inspired by the bottom-up approach for multiparty session types. However, by considering it in the context of separation logic instead of a type system, we go further in terms of generali

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13

ASSENZA, L., and G. LONGHI. "COLLECTIVE AND RELATIVE VARIABLES FOR MASSLESS FIELDS." International Journal of Modern Physics A 15, no. 29 (2000): 4575–601. http://dx.doi.org/10.1142/s0217751x00001944.

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In this paper, a set of canonical collective and relative variables for a classical relativistic massless field are defined and discussed. The discussion is based on a harmonic analysis on the light-cone in momentum space. It is shown how to avoid a set of consistency constraints which are necessary in the massive case. As a result a canonical separation of the angular momentum in collective and relative parts and a canonical realization of an extended BMS algebra are obtained.

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14

Stevermer, Catherine A., and Jason C. Gillette. "Kinematic and Kinetic Indicators of Sit-to-Stand." Journal of Applied Biomechanics 32, no. 1 (2016): 7–15. http://dx.doi.org/10.1123/jab.2014-0189.

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Variation in the timing indicators separating sit-to-stand (STS) into movement phases complicates both research comparisons and clinical applications. The purpose of this study was to use kinetic reference standards to identify accurate kinematic and kinetic indicators for STS movement analysis such that consistent indicators might be used for STS from varied initial postures. Healthy adults performed STS using 4 foot placements: foot-neutral, foot-back, right-staggered, and left-staggered. Kinetic and kinematic data were collected from force platforms and an 8-camera video system. Initiation,

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15

Crabbé, Marcel. "Stratification and cut-elimination." Journal of Symbolic Logic 56, no. 1 (1991): 213–26. http://dx.doi.org/10.2307/2274915.

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In this paper, we show the normalization of proofs of NF (Quine's New Foundations; see [15]) minus extensionality. This system, called SF (Stratified Foundations) differs in many respects from the associated system of simple type theory. It is written in a first order language and not in a multi-sorted one, and the formulas need not be stratifiable, except in the instances of the comprehension scheme. There is a universal set, but, for a similar reason as in type theory, the paradoxical sets cannot be formed.It is not immediately apparent, however, that SF is essentially richer than type theor

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16

Roach, Lettie A., Samuel M. Dean, and James A. Renwick. "Consistent biases in Antarctic sea ice concentration simulated by climate models." Cryosphere 12, no. 1 (2018): 365–83. http://dx.doi.org/10.5194/tc-12-365-2018.

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Abstract. The simulation of Antarctic sea ice in global climate models often does not agree with observations. In this study, we examine the compactness of sea ice, as well as the regional distribution of sea ice concentration, in climate models from the latest Coupled Model Intercomparison Project (CMIP5) and in satellite observations. We find substantial differences in concentration values between different sets of satellite observations, particularly at high concentrations, requiring careful treatment when comparing to models. As a fraction of total sea ice extent, models simulate too much

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17

Özcan, Tülay, and Eda Yıldız. "Sebze Püresi ile Üretilen Yoğurtların Tekstürel ve Duyusal Özelliklerinin Belirlenmesi." Turkish Journal of Agriculture - Food Science and Technology 4, no. 7 (2016): 579. http://dx.doi.org/10.24925/turjaf.v4i7.579-587.719.

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In this study, five different set type yogurt with vegetable purees, namely as control (K), yogurt with pumpkin (YBK), yogurt with carrot (YHA), yogurt with green peas (YBE) and yogurt with zucchini (YYK) were produced. The viable cell counts of S. thermophilus and L. delbrueckii subsp. bulgaricus were increased as a result of the ability of dietary fiber to stimulate their growth which is present in yogurt as puree. Vegetable puree addition had a noticeable effect on pH, titratable acidity, whey separation, sensory properties as well as textural attributes such as firmness, cohesiveness, cons

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18

Nowek, Andrzej. "Medium-Size Polarized Basis Sets Applicability for Interaction Energy Calculations: He2 and Be2 van der Waals Systems." Collection of Czechoslovak Chemical Communications 58, no. 8 (1993): 1739–50. http://dx.doi.org/10.1135/cccc19931739.

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Polarized bases set approach has been applied for preparation of medium-size contracted GTO basis sets starting from various standard energy-optimized and even-tempered isotropic atomic basis sets. Their usefulness for calculation of the SCF interaction energy and its components as well as dispersion energy consistently determined within the dimer basis set were studied for He2 and Be2 systems for intermediate internuclear separations. The results obtained with polarized basis sets indicate their good performance in comparison with property oriented ones.

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19

Arakawa, Tsutomu, Masataka Nakagawa, Chiaki Sakuma, Yui Tomioka, Yasunori Kurosawa, and Teruo Akuta. "Polysaccharide as a Separation Medium for Gel Electrophoresis." Polysaccharides 5, no. 3 (2024): 380–98. http://dx.doi.org/10.3390/polysaccharides5030024.

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Gel electrophoresis and size exclusion chromatography (SEC) are vital techniques in biochemical research, employing gel matrix structures made of polysaccharides or synthetic polymers like polyacrylamide for the analysis and separation of macromolecules. Polysaccharides, such as agarose, offer safer alternatives to acrylamide. Polysaccharide gels, notably agarose, facilitate the analysis and purification of proteins and nucleic acids through a molecular sieving mechanism. Gel electrophoresis for proteins is mainly divided into denaturing and native methods. Denaturing electrophoresis with sodi

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20

Caudal, Gérard, Emmanuel Dinnat, and Jacqueline Boutin. "Absolute Calibration of Radar Altimeters: Consistency with Electromagnetic Modeling." Journal of Atmospheric and Oceanic Technology 22, no. 6 (2005): 771–81. http://dx.doi.org/10.1175/jtech1743.1.

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Abstract Empirical Ku-band altimeter model functions of near-nadir normalized radar cross-sectional σ° are compared to electromagnetic two-scale quasi-specular theory in the context of a standard sea wave spectral model. Three empirical model functions are tested: (i) the modified Chelton and Wentz model (WCM) using data from Geosat, (ii) the Callahan et al. model using data from TOPEX, and (iii) the Freilich and Vanhoff model using data from the Tropical Rainfall Measuring Mission (TRMM) precipitation radar (PR). These three models are basically very similar, except that they differ in terms

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21

Zelenov, Dmitrii A. "AUSTRIA’S APPROACH TO THE SEPARATION OF SLOVENIA AND CROATIA FROM YUGOSLAVIA." RSUH/RGGU Bulletin. Series Political Sciences. History. International Relations, no. 2 (2024): 51–61. http://dx.doi.org/10.28995/2073-6339-2024-2-51-61.

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Since the late 1980s, Austria, using and consistently widening its political-diplomatic and military-political set of instruments, has actively started to be involved in determining the further contours of Yugoslavia’s evolution. Slovenia and Croatia turned out to be the first polygon for this policy, within the framework of which the key parameters of the Alpine Republic’s approach to the further formation of the post-Yugoslavia space were established. The article analyses the general approach of official Vienna to the discussed issue in the period when Slovenia and Croatia separated from the

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22

Dai, Qiuyang, and Faxing Lu. "A New Spatial Registration Algorithm of Aerial Moving Platform to Sea Target Tracking." Sensors 23, no. 13 (2023): 6112. http://dx.doi.org/10.3390/s23136112.

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Spatial registration is the primary challenge affecting target tracking accuracy, especially for the aerial moving platform and sea target tracking. In this environment, it is important to account for both the errors in sensor observations and the variations in platform attitude. In order to solve the problem of complex types of errors in the tracking of sea targets by aerial moving platforms, a new spatial registration algorithm is proposed. Through separating and analyzing observation data, the influence of sensor observation error and attitude error on observation data is obtained, and a sy

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Pivnenko, Tat'yana, Yuliya Mihaylovna Pozdnyakova, Victoria Kraschenko, Roman Vladimirovich Esipenko, and Evgeny Valerevich Mikheev. "STUDY OF THE QUALITY OF MUSCLE TISSUE OF THE BLACK MACRURUS (GRENADIER) Coryphaenoides acrolepis IN THE PROCESS OF ITS PROCESSING." Fisheries 2022, no. 3 (2022): 109–16. http://dx.doi.org/10.37663/0131-6184-2022-3-109-116.

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The research of physico-chemical and organoleptic quality indicators of the black macrurus (grenadier) Coryphae-noides acrolepis caught under industrial conditions in the South Kuril subzone of the Sea of Okhotsk is presented. The analyzed samples included whole and eviscerated specimens of standard quality, as well as individual specimens with the consistency of muscle tissue characterized as «rubber-like». Comparative analysis showed statistically significant similarity of muscle tissue strength indicators before and after heat treatment, protein fraction content, moisture reten-tion capacit

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Ozherelev, D. A., and V. V. Shalay. "Choosing optimal separator design using hierarchy analysis." Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering 4, no. 4 (2020): 75–81. http://dx.doi.org/10.25206/2588-0373-2020-4-4-75-81.

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The article describes the possibility of using the «Method of analysis of hierarchies» when choosing the type of separator. These calculation methods are used to determine the vector of priorities and alternatives according to specified criteria, as well as to assess the consistency of expert opinions. The task is set, alternative options and criteria for selecting a separator design are presented. A hierarchical structure is built for various designs of separators. The method of calculation for a variety of indicators that characterize the types of separation equipment is presented. Based on

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Soo, Wenn Lian, Nyet Moi Siew, and Nur Suhaidah Sukor. "INTEREST IN COMBINED OPERATIONS: AN INSTRUMENT FOR PRIMARY SCHOOL STUDENTS." International Journal of Education, Psychology and Counseling 10, no. 57 (2025): 852–67. https://doi.org/10.35631/ijepc.1057055.

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An assessment was conducted on the Interest in Combined Operations (ICO) instrument among primary school students. ICO consists of 20 items categorized into four main constructs: Emotion, Engagement, Knowledge, and Value. This instrument was adapted from the Interest in Mathematics Inventory, using the Four-Phase Model of Interest by Hidi and Renninger as its theoretical framework. The study involved 84 Year Five students aged 11 years from two primary schools in the Beaufort district, Sabah, Malaysia. To determine the validity and reliability of the ICO instrument, this study applied the Rasc

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Yong, Ching Yee, Rubita Sudirman, Nasrul Humaimi Mahmood, and Kim Mey Chew. "Comparison of Human Jogging and Walking Patterns Using Statistical Tabular, Scatter Distribution and Artificial Classifier." Advanced Materials Research 646 (January 2013): 126–33. http://dx.doi.org/10.4028/www.scientific.net/amr.646.126.

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This study investigates and acts as a trial clinical outcome for human motion and behavior analysis in order to investigate human arm movement during jogging and walking. Three methods were proposed to differentiate and separate both of the jogging and walking data set, they are statistical tabular, scatter distribution and artificial classifier recognition. Linear decision boundary and radial basis function kernel (RBF) were proposed to perform the separation works for artificial classifier recognition section. It aims to establish how widespread the movement and motion of arm will bring to e

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Ong, Jing Song, J. Hossen, Poh Ping Em, et al. "AI-Powered Vision Inspection System for Object Classification Application." International Journal of Membrane Science and Technology 10, no. 1 (2023): 363–76. http://dx.doi.org/10.15379/ijmst.v10i1.1817.

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Human operators are often susceptible to eye fatigue due to sleep deprivation and excessive workload, which may negatively impact their consistency and efficiency in performing repetitive and challenging inspection tasks. This paper presents the development of an AI-powered vision inspection system for object sorting applications, utilizing a You-Only-Look-Once (YOLO) version 3 pre-trained model based on Deep Convolutional Neural Network's (DCNN) transfer learning technique. Feature extraction for each data point is performed using Darknet53, which subsequently trains the YOLO v3 model. The da

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*R., Anusha, Prathibha P., Ganesh Goud G., Khatun Resma, and Aziz Ahmed Al. "PREPARATION AND EVALUATION METHODS OF HERBAL BODY LOTION - A REVIEW." World Journal of Pharmaceutical Science and Research 3, no. 2 (2024): 116–31. https://doi.org/10.5281/zenodo.10946284.

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Herbal cosmetics are mixtures intended to enhance and beautify human appearance. This study set out to create and evaluate a herbal antibacterial lotion recipe including a fruit extract with an alcohol basis. The active ingredients in Phyllanthus emblica leaf and Neem have been shown to have tremendous promise for treating a wide range of health ailments in recent studies conducted in many regions of the world. Neem and Phyllanthus emblica formulations are effective against microbial/worm infestation. It has antibacterial, anti- inflammatory, and anti-cancer properties. Throughout the research

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Giral Martínez, Juan, Jean-Baptiste Fouvry, and Christophe Pichon. "Young stellar cluster dilution near supermassive black holes: the impact of vector resonant relaxation on neighbour separation." Monthly Notices of the Royal Astronomical Society 499, no. 2 (2020): 2714–33. http://dx.doi.org/10.1093/mnras/staa2722.

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ABSTRACT We investigate the rate of orbital orientation dilution of young stellar clusters in the vicinity of supermassive black holes. Within the framework of vector resonant relaxation, we predict the time evolution of the two-point correlation function of the stellar orbital plane orientations as a function of their initial angular separation and diversity in orbital parameters (semimajor axis, eccentricity). As expected, the larger the spread in initial orientations and orbital parameters, the more efficient the dilution of a given set of co-eval stars, with a characteristic time-scale set

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Agazie, Gabriella, Akash Anumarlapudi, Anne M. Archibald, et al. "The NANOGrav 15 yr Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational-wave Background." Astrophysical Journal Letters 952, no. 2 (2023): L37. http://dx.doi.org/10.3847/2041-8213/ace18b.

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Abstract The NANOGrav 15 yr data set shows evidence for the presence of a low-frequency gravitational-wave background (GWB). While many physical processes can source such low-frequency gravitational waves, here we analyze the signal as coming from a population of supermassive black hole (SMBH) binaries distributed throughout the Universe. We show that astrophysically motivated models of SMBH binary populations are able to reproduce both the amplitude and shape of the observed low-frequency gravitational-wave spectrum. While multiple model variations are able to reproduce the GWB spectrum at ou

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M., Kelani Khadiga, Wafaa Nassar Ahmed M., Wael Talaat, and Samir Morshedy. "Comparative Chomatographic Study for Determination of Dalfampridine and its Derivative in Pharmaceutical Formulations." Der Pharma Chemica 13, no. 1 (2021): 8. https://doi.org/10.5281/zenodo.13643967.

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Two sensitive and precise methods were developed and validated for simultaneous estimation of dalfampridine with its oxidative degradation in pharmaceutical formulations without noticeable interference. Among the techniques adopted were chromatography [coupled TLC-densitometry and HPLC]. Method I: chromatographic separation a Spheri-5 RP C8 (220 X 4.6 X 5μm particle size) column was used in addition to the mobile phase [acetonitrile and 0.05 M KH2PO4 - (pH=5), (65: 35 v /v)], with a flow rate of (1ml.min−1) by detection (UV) at 298 nm. Method II: Densitometric separation of the drugs

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Saraev, Ilya A. "On the reduction of the topological classification of gradient-like flows problem to the classification of polar flows I. A. Saraev." Zhurnal Srednevolzhskogo Matematicheskogo Obshchestva 25, no. 2 (2023): 62–75. http://dx.doi.org/10.15507/2079-6900.25.202302.62-75.

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In this paper we consider a class G(Mn) of gradient-like flows on connected closed manifolds of dimension n≥4 such that for any flow ft∈G(Mn) stable and unstable invariant manifolds of saddle equilibria do not intersect invariant manifolds of other saddle equilibria. It is known that the ambient manifold of any flow from the class G(Mn) can be splitted into connected summ of the sphere Sn , gft≥0 copies of direct products Sn−1×S1 , and a simply connected manifold which is not homeomorphic to the sphere. The number gft is determined only by the number of nodal equilibria and the number of saddl

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33

Kabanov, Alexander N. "Stepan Tikhonovich Chekurda: Front-line Biography of the Legendary Artilleryman." IZVESTIYA VUZOV SEVERO-KAVKAZSKII REGION SOCIAL SCIENCE, no. 1 (205) (April 6, 2020): 39–52. http://dx.doi.org/10.18522/2687-0770-2020-1-39-52.

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The author of the article attempts to reconstruct the front-line biography of guards Lieutenant Colonel S.T. Chekurda in order to restore historical justice in relation to the memorialization of the hero. In order to achieve this goal, it is intended to solve the following research tasks: to summarize and, on the basis of critical analysis, make sense of the information about him available to researchers, relatives, friends and associates of S.T. Chekurda, separating fiction from reality; to examine the circumstances under which the combat officer was awarded the “Soldier” Order of Glory; to p

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SUPARTINI, IDA AYU MADE, I. KOMANG GDE SUKARSA, and I. GUSTI AYU MADE SRINADI. "ANALISIS DISKRIMINAN PADA KLASIFIKASI DESA DI KABUPATEN TABANAN MENGGUNAKAN METODE K-FOLD CROSS VALIDATION." E-Jurnal Matematika 6, no. 2 (2017): 106. http://dx.doi.org/10.24843/mtk.2017.v06.i02.p154.

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Tabanan Regency is one of the eight regencies and one municipality in Bali Province. Administratively, it is divided into 10 districs and villages. There are rural areas and urban areas in the regions. Discriminant analysis is a technique related to the separation of objects into different groups that have been set previously. The purpose of this research is to classify villlages in Tabanan Regency into urban or rural groups with discriminant analysis. Linear discriminant analysis assumes that the covariance matrix of the two groups are equals, if the assumption of equality of covariance matri

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De Paulo, Ellisson Henrique, Francine Dalapícola Dos Santos, Gabriely Silveira Folli, et al. "VARIABLE SELECTION METHODS APPLIED IN HTGC DATA TO DETERMINE PHYSICOCHEMICAL PROPERTIES OF CRUDE OILS." Revista Ifes Ciência 10, no. 1 (2024): 01–27. http://dx.doi.org/10.36524/ric.v10i1.2516.

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High-temperature gas chromatography (HTGC) is an analytical technique employed in the petroleum industry for component separation. By incorporating chemometrics, HTGC data can be effectively utilized to predict various properties of crude oil. However, HTGC chromatograms generate a substantial number of variables, some of which may lack pertinent chemical information. Consequently, employing variable selection methods becomes crucial to reduce the number of variables and enhance the predictive capability of calibration models. In this study, the interval partial least squares (iPLS), synergy i

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Sprenger, Matthias, Pilar Llorens, Carles Cayuela, Francesc Gallart, and Jérôme Latron. "Mechanisms of consistently disjunct soil water pools over (pore) space and time." Hydrology and Earth System Sciences 23, no. 6 (2019): 2751–62. http://dx.doi.org/10.5194/hess-23-2751-2019.

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Abstract. The storage and release of water in soils is critical for sustaining plant transpiration and groundwater recharge. However, how much subsurface mixing of water occurs, and how much of the water is available for plants or otherwise percolates to streams and the groundwater is not yet understood. Based on stable isotope (2H and 18O) data, some studies have found that water infiltrating into soils can bypass older pore water. However, the mechanisms leading to the separation of water routed to the streams and water held tightly in smaller pores are still unclear. Here, we address the cu

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Vijey Aanandhi M, Elancheziyan K, Yamini R, Prakash Chand T, Aysha Jadeera K A, and Binoy Varghese Cheriyan. "Method Development and Validation of Fludrocortisone Acetate Tablets by Reverse Phase HPLC Method." International Journal of Research in Pharmaceutical Sciences 11, no. 4 (2020): 6826–33. http://dx.doi.org/10.26452/ijrps.v11i4.3652.

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The purpose or intent of this current study was to establish a fast and sensitive HPLC technique for the perseverance of Fludrocortisone acetate and utilizing best frequently used HPLC technique. This method had been validated as per the ICH requirements to assure that the method consistently meets the predetermined specifications and quality attributes.Utilizing filtered and degassed pH 3.0 Phosphate buffer and Acetonitrile in the ratio 90:10 as a Mobile phase-A and pH 3.0 Phosphate buffer and Acetonitrile in the ratio 65:35 as a Mobile phase-B the established RP-HPLC technique was done. The

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Gleason, Christine M., Brenda L. Norcross, and Karen J. Spaleta. "Otolith chemistry discriminates water mass occupancy of Arctic fish in the Chukchi Sea." Marine and Freshwater Research 67, no. 7 (2016): 967. http://dx.doi.org/10.1071/mf15084.

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The microchemistry of otoliths has the potential to reconstruct fish movement patterns and habitat use between environmentally different habitats for individual age classes of Arctic marine fish. Herein, we tested the relationship between the bottom water mass from which a fish was collected and the microchemistry of the most recent growth edge of the fish’s otolith using Mg, Sr, Ba and Ca, and then determined the physical and biological factors that affected the chemical signatures. A discriminant function post hoc analysis of fish occupying bottom water masses resulted in 76% correct classif

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Matsumori, Haruka, Kenji Watanabe, Hiroaki Tachiwana, et al. "Ribosomal protein L5 facilitates rDNA-bundled condensate and nucleolar assembly." Life Science Alliance 5, no. 7 (2022): e202101045. http://dx.doi.org/10.26508/lsa.202101045.

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The nucleolus is the site of ribosome assembly and formed through liquid–liquid phase separation. Multiple ribosomal DNA (rDNA) arrays are bundled in the nucleolus, but the underlying mechanism and significance are unknown. In the present study, we performed high-content screening followed by image profiling with the wndchrm machine learning algorithm. We revealed that cells lacking a specific 60S ribosomal protein set exhibited common nucleolar disintegration. The depletion of RPL5 (also known as uL18), the liquid–liquid phase separation facilitator, was most effective, and resulted in an enl

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Redulfin, Genevieve, Desiree C. Tenebroso, Ruben L. Tagare Jr., Ana Trisha F. Siocon, Rishel Lyn P. Gaspar, and Gauvin Adlaon. "Resilience in the Classroom: A Qualitative Inquiry on How Parental Separation Affects College Students' Learning and Their Coping Abilities." Indonesian Journal of Education Research (IJoER) 6, no. 1 (2025): 1–11. https://doi.org/10.37251/ijoer.v6i1.1181.

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Purpose of the study: This study aims to examine the impact of parental separation on the academic experiences of Bachelor of Physical Education students, focusing on how it influences their learning, engagement, and overall academic performance. By exploring both the challenges they face and the coping strategies they employ, the study seeks to provide a deeper understanding of the educational implications of parental separation and contribute to the development of targeted support systems for affected students. Methodology: A qualitative approach was used to gain an in-depth understanding of

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Duong, Tin Quoc Chanh, Dau Hieu Duong, and Tan Minh Nguyen. "Identification of magnetic anomalies of adjacent sourses using the wavelet transform modulus maxima and scale normalization." Science and Technology Development Journal - Natural Sciences 1, no. 6 (2018): 273–86. http://dx.doi.org/10.32508/stdjns.v1i6.637.

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In the potential field inverse problems, accurate determination of the location for the anomaly sources and their properties played an important role. For geomagnetic anomalies of adjacent sources, they always superimpose upon each other not only in the spatial domain but also in the frequency domain, making the identification of these sources significantly problematic. In this paper, a new mother wavelet for effective analysis the properties of the close potential field sources was used. By theoretical modeling, using the wavelet transform modulus maxima (WTMM) method, we set up a correlative

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Najgebauer-Lejko, D., T. Grega, M. Sady, B. Faber, J. Domagała, and B. Machaczka. "Effect of addition of starches of different botanical origin on the yogurt gel properties." Biotehnologija u stocarstvu 23, no. 5-6-2 (2007): 87–94. http://dx.doi.org/10.2298/bah0702087n.

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The aim of the present study was to estimate an effect of addition of different starches (potato, maize, waxy maize and tapioca) on the sensoric properties as well as selected physicochemical properties of set-style yogurts. Sensoric evaluation comprised: color, taste, smell, consistency and general appearance. pH value, titration acidity, degree of syneresis by centrifuge and FIL/IDF methods, content of acetaldehyde and diacetyl were also estimated. All analyses were done on fresh yogurts and after 1 week and 3 weeks of storage at 4?C. It was stated that natural (not supplemented with any sta

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Aljober, Moneera. "Fortification of yogurt with cloves extract." Italian Journal of Food Science 36, no. 4 (2024): 288–304. http://dx.doi.org/10.15586/ijfs.v36i4.2692.

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The purpose of the current study was to evaluate the impact of different concentrations of clove extract (CE: 0%, 0.5%, 1.0%, and 2.0%) on the viscoelasticity, viscosity, syneresis, texture, sensory quality, and antioxidant properties of set yogurt up to 21 days in cold storage. The addition of CE enlarged the total suspended solids (TSS) and mineral contents while reducing whey separation. On the other hand, CE existence dropped the consistency index (k) and elastic modulus (G’) of yogurt gels and further lessening was observed with prolonged storage period. Moreover, the textural firmness re

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Sharma, Rohit, Zulfequar Ahmad, and Rahul Dev Garg. "Improving Land Cover Mapping in Riverine Environments with Machine Learning and Spectral Indices." ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences X-G-2025 (July 12, 2025): 813–20. https://doi.org/10.5194/isprs-annals-x-g-2025-813-2025.

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Abstract. Accurate land cover classification in riverine environments is essential for understanding hydrological dynamics, ecological health, and resource management. This study utilizes high-resolution LISS-4 imagery from the IRS-R2 satellite to address the complex classification challenges in the dynamic confluence of the Mahanadi and Shivnath Rivers. To enhance classification accuracy, two distinct feature sets were developed: the first feature set (FS-1) contained the original three spectral bands of the imagery, and the second feature set (FS-2) added eight derived spectral indices to im

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Sulman, M. H. M., H. S. Huntley, B. L. Lipphardt, G. Jacobs, P. Hogan, and A. D. Kirwan. "Hyperbolicity in temperature and flow fields during the formation of a Loop Current ring." Nonlinear Processes in Geophysics 20, no. 5 (2013): 883–92. http://dx.doi.org/10.5194/npg-20-883-2013.

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Abstract. Loop Current rings (LCRs) are among the largest mesoscale eddies in the world ocean. They arise when bulges formed by the Loop Current in the Gulf of Mexico close off. The LCR formation process may take several weeks, and there may be several separations and reattachments before final separation occurs. It is well established that this period is characterized by a persistent saddle point in the sea surface height field, as seen in both model and satellite data. We present here a detailed study of this saddle region during the formation of Eddy Franklin in 2010, over multiple days and

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Lupenko, Serhii. "The Mathematical Model of Cyclic Signals in Dynamic Systems as a Cyclically Correlated Random Process." Mathematics 10, no. 18 (2022): 3406. http://dx.doi.org/10.3390/math10183406.

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This work is devoted to the procedure for constructing of a cyclically correlated random process of a continuous argument as a mathematical model of cyclic signals in dynamic systems, which makes it possible to consistently describe cyclic stochastic signals, both with regular and irregular rhythms, not separating them, but complementing them within the framework of a single integrated model. The class of cyclically correlated random processes includes the subclass of cyclostationary (periodically) correlated random processes, which enable the use of a set of powerful methods of analysis and t

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Strus, Oksana, Natalya Polovko, and Yuliya Plaskonis. "THE INVESTIGATION OF THE DEVELOPMENT OF A CREAM COMPOSITION WITH THE SAPROPEL EXTRACT." Asian Journal of Pharmaceutical and Clinical Research 11, no. 7 (2018): 147. http://dx.doi.org/10.22159/ajpcr.2018.v11i7.23575.

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Objective: The objective of this research was the development of cream with sapropel extract on the emulsifying base and the investigation of the possibility for cream samples to be in future applied in medicine, cosmetics, and veterinary.Methods: To carry out the research a set of methods (centrifugal, thermal, and potentiometric) to analyze colloidal and thermal stability and determine pH values of the tested samples were used. Organoleptic characteristics of the tested samples and possible signs of physical instability were studied. Rheological properties of the samples were determined on t

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Zhou, Baofeng, Haiyun Wang, Lili Xie, and Yanru Wang. "Bizarre Waveforms in Strong Motion Records." Shock and Vibration 2015 (2015): 1–17. http://dx.doi.org/10.1155/2015/630362.

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This paper collects a rich set of strong motion records in some typical earthquakes domestic and abroad, checks its seismic events, converts the data format, corrects the zeroline and draws the waveform. Four kinds of abnormal phenomena on the acceleration waveform are revealed, such as spike, asymmetric waveform, obvious baseline drift, and strong motion records packets separation. Then reasonable processing approaches are derived from the preliminary analysis of the generation mechanism for abnormal phenomena. In addition to the effects on time history, Fourier amplitude spectrum and respons

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Ravindran, Prabu, and Alex C. Wiedenhoeft. "Caveat emptor: On the Need for Baseline Quality Standards in Computer Vision Wood Identification." Forests 13, no. 4 (2022): 632. http://dx.doi.org/10.3390/f13040632.

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Computer vision wood identification (CVWID) has focused on laboratory studies reporting consistently high model accuracies with greatly varying input data quality, data hygiene, and wood identification expertise. Employing examples from published literature, we demonstrate that the highly optimistic model performance in prior works may be attributed to evaluating the wrong functionality—wood specimen identification rather than the desired wood species or genus identification—using limited datasets with data hygiene practices that violate the requirement of clear separation between training and

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Bilstad, T., E. Espedal, and M. Madland. "Membrane Separation of Wool Scour Effluent." Water Science and Technology 29, no. 9 (1994): 251–56. http://dx.doi.org/10.2166/wst.1994.0491.

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Norway's largest yarn factory, Sandnes Uldvarefabrikk, produces knitting wool from 1,000 tons of raw wool a year. The raw wool is washed in 55°C water with high pH detergents. The resulting wastewater has a chemical oxygen demand, COD, of up to 100,000 mg/l and was previously piped directly to the public sewer. The Norwegian Environmental Protection Agency ordered the factory to reduce the COD loading by 75%, effective at the end of 1989. The winter and spring of 1989 was used to test membranes and gather design information for a fullscale separation plant for treating the wool washwater. The

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