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78921
Fracture Resistance of Endodontically Treated Premolars Reconstructed by Traditional Casting and CAD-CAM Milling Post and Cores
Published 2022-01-01“…The teeth in group 1 restored with amalgam, whereas others reconstructed with post and cores made by cobalt-chromium (Co-Cr) casting (group 2), nonprecious gold (NPG) casting (group 3), or computer-aided design (CAD) and computer-aided manufacturing (CAM) milling (group 4). The force at fracture was measured in a universal testing machine, and the failure mode was recorded as repairable or nonrepairable. …”
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78922
Las luchas estudiantiles en Tucumán entre dos golpes de Estado, 1966-1976
Published 2021-01-01“…En este artículo se presenta un análisis de las luchas del movimiento estudiantil de la Universidad Nacional de Tucumán entre los golpes de Estado de 1966 y 1976, operacionalizadas como enfrentamientos sociales. Se consideran las formas de acción, junto con las distintas corrientes, los reclamos, los escenarios y las alianzas desarrolladas por el estudiantado tucumano, para caracterizar los ciclos de conflictividad local y su lugar en el contexto nacional. …”
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78923
Spatial-temporal distribution of phytoplankton HAB species and contamination status of oyster toxins under intensive oyster farming in Jiangmen coasts, the South China Sea
Published 2025-02-01“…The results revealed there were 28 HAB species, including 19 harmless HAB species, two toxic species (Akashiwo sanguinea and Karenia brevis), and seven toxin-producing microalgae (Alexandrium pacificum, Dinophysis caudata, D. miles, D. fortii, Gonyaulax spinifera, Gymnodinium catenatum, and K. mikimotoi). …”
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78924
Evaluation the Effects of Different Silica Coating Methods and Silane Types on the Bond Strength Between Polyamide and Polymethylmethacrylate
Published 2025-01-01“…Objectives: The aim of this study is to evaluate the effect of different silica coating methods and silane applications on the bond strength between polyamide and polymethylmethacrylate (PMMA).Methods: Forty-five polyamide specimens were divided into two main groups based on the coating method applied: sol-gel silica coating (S) and tribochemical silica coating (T). …”
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78925
A New Path to Aggregate Area Expansion by Agricultural Mechanization: The Seedling Field Saving Effect of Machinery Rice Transplanting and the Case of China
Published 2025-01-01“…This study aims to explore potential new paths to aggregate area expansion through new forms of agricultural mechanization and estimate the relevant effects. …”
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78926
A molecular phylogeny of Zygopterans (Insecta, Odonata) of Kerala, India
Published 2025-03-01“…The remaining families Platystictidae and Euphaeidae were polyphyletic to the former clade showing more genetic divergence. In the 18S analysis, from the common ancestor, a monophyletic clade of Coenagrionidae, Platycnemididae, Lestidae and Chlorocyphidae evolved. …”
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78927
An interpretable machine learning model for predicting in-hospital mortality in ICU patients with ventilator-associated pneumonia.
Published 2025-01-01“…<h4>Results</h4>A total of 1,894 VAP patients were included, with 12 features ultimately selected for model construction: 24-hour urine output, blood urea nitrogen, age, diastolic blood pressure, platelet count, anion gap, body temperature, bicarbonate level, sodium level, body mass index, and whether combined with congestive heart failure and cerebrovascular disease. The random forest (RF) model showed the best performance, achieving an AUC of 0.780 in internal validation and 0.724 in external testing, outperforming other ML models and common clinical scoring systems.…”
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78928
Prediction of Intraformational Remaining Oil Distribution Based on Reservoir Heterogeneity: Application to the J-Field
Published 2021-01-01“…The composite index of pore structure is used to predict the distribution of remaining oil in the formation, and the results are basically consistent with those calculated by numerical simulation. …”
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78929
Lower bounds on trees and unicyclic graphs with respect to the misbalance rodeg index
Published 2025-01-01“…This index excels particularly in forecasting both the enthalpy and the standard enthalpy of vaporization for octane isomers. …”
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78930
Tanzanian journalists in countering fake news: disinformation and misinformation
Published 2024-12-01“…Data collection was facilitated through a questionnaire that incorporated closed-ended and open-ended questions, distributed via Google Forms to various online journalists’ platforms, including WhatsApp and email groups. …”
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78931
Evaluación de aplicaciones de navegación GPS para salidas de campo
Published 2022-12-01“…Estas aplicaciones son de gran utilidad ya que, por un lado, pueden dar respuesta a las inquietudes relacionadas a la localización de fenómenos geográficos, que surgen antes de y durante el contacto con el área de estudio y por el otro, constituyen una herramienta de fácil acceso tanto para docentes como estudiantes dado que está disponible su descarga de manera gratuita y los dispositivos de soporte se encuentran disponibles en forma masiva. El desarrollo metodológico se inició con la búsqueda de aplicaciones en la web y la elección de cinco de ellas a partir de referencias de usuarios. …”
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78932
A New Nonlinear Equation with Lump-Soliton, Lump-Periodic, and Lump-Periodic-Soliton Solutions
Published 2019-01-01“…In the meanwhile, the interaction of lump with periodic waves and the interaction among lumps, periodic waves, and multikink soliton can be obtained by introducing the ansätz forms. The dynamics of these interaction solutions are analyzed graphically by selecting appropriate parameters.…”
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78933
The simulation of ELM control by the advanced divertor configuration in EAST
Published 2025-01-01“…Essentially, the local magnetic shear formed by different divertor geometries can alter the growth rate of the peeling-ballooning (P-B) mode. …”
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78934
Effect of phosphorus fractions on benthic chlorophyll-a: Insight from the machine learning models
Published 2025-03-01“…To address this gap, we applied two machine learning algorithms—random forest (RF), and artificial neural networks (ANN) to predict benthic chl-a concentrations by incorporating these specific P fractions as separate variables. …”
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78935
On Powers and Roots of Split Octonions
Published 2023-01-01“…In this article, we obtain the polar forms for two types of split octonions. We calculate De Moivre’s formulas for all polar forms of split octonions. …”
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78936
Investigation of dissolution resistance of blank and gas-nitrided carbon steels in stationary SAC305 solder alloy melt
Published 2018-01-01“…The objective of the present study is to investigate the suitability of a series of gas-nitrided steels with varying C content as candidates for wettable selective soldering tool materials with enhanced lifetime. ɛ and γ’ iron-nitrides were formed by gas nitriding on quenched and tempered DC04, C45, CK60 and S103 type steels. …”
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78937
Degradation dynamics of Trifluralin in Qinghai-Tibet Plateau and screening of its degrading strains
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78938
Teaching Students with Disabilities: Traumatic Brain Injury
Published 2016-08-01“…This series provides useful information to ag-ed based instructors about different disabilities and how to teach those students in the unique environments posed by ag-ed, including classroom, laboratory, and non-formal environments. Written by Blake C. Colclasure, Andrew C. …”
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78939
Determination of the Phenolic Profile and Antioxidant Activity of Leaves and Fruits of Spanish Quercus coccifera
Published 2018-01-01“…In this work, we report the phytochemical composition and antioxidant activity of methanol extracts of leaves and fruits (acorns) of Quercus coccifera (kermes oak). Forty-one compounds were characterized using high-performance liquid chromatography with electrospray multistage mass spectrometry (HPLC-ESI-MSn) with an ion trap mass spectrometer. …”
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78940
Controlling aluminum casting from stationary furnace
Published 2019-03-01“…Due to the open configuration of the magnetic circuit of the MHD inductor asymmetry of the magnetomotive forces of the windings occurs, which leads to a distortion of the low-frequency running magnetic field. …”
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