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61641
Participación política de la oposición en Colombia después del Acuerdo de Paz de 2016
Published 2020-01-01Get full text
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61642
Determination of 17 types of phthalates in drinking water by solid-phase extraction coupled with multiple reaction monitoring of gas chromatography-mass spectrometry
Published 2025-01-01“…Seventeen types of PAEs were detected using a triple quadrupole gas chromatography-mass spectrometer in MRM mode. …”
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61643
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61644
Mitigation of Harmonics and Unbalanced Voltage Disturbance Compensation by MSVPWM Based- DVR in the Distribution Net
Published 2021-07-01“…Pre-disturbance voltage compensation strategy and phase-locked-loop (PLL) based dq- space vector control are presented to improve a Dynamic Voltage Restorer (DVR), which restore the magnitude of voltage disturbance and displacement of phase angle to prior of voltage disturbance. 3-phase Multilevel strategy of Space Vector Pulse Width Modulation (MSVPWM) based- Multilevel Diode Clamped Converter (MDCC) is proposed as switching pulse signals employed low frequency, which creates high levels of voltage and fewer harmonics in the output waveform in comparison to 2-level SVPWM based- DVR. 3-level SVPWM based- DVR under balanced and imbalanced distortion voltage disturbances included sags and swells injected appreciated quantities of voltage, thereby attained ideal sinusoidal waveform with lower Total Harmonic Distortion THD% compared to 2-level SVPWM based- DVR. …”
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61645
Federated Learning Approach for Breast Cancer Detection Based on DCNN
Published 2024-01-01“…Additionally, we tested the proposed federated learning performance, showcasing the potential of our approach as a robust and privacy-preserving solution for future breast cancer diagnostic strategies.…”
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61646
Impact analysis of tunnel crossing pile foundation at different angles
Published 2025-02-01“…Abstract Shield method construction is a common method of urban subway tunnel excavation, shield tunneling through existing building pile foundation will produce disturbance to the surrounding strata, causing bending of the pile foundation, decreasing the bearing capacity of the pile foundation, underpinned piles is one of the commonly used problem-solving approaches. …”
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61647
Organización y liderazgo en la construcción de un Sistema Agroalimentario Localizado. Un estudio de caso sobre el nopal en Hidalgo, México
Published 2018-01-01“…Metodología: tipo participativa. Consistió en visitas a campo, entrevistas semiestructuradas y no estructuradas, reuniones con productores y análisis FODA. …”
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61648
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61649
An Overview: PAH and Nitro-PAH Emission from the Stationary Sources and their Transformations in the Atmosphere
Published 2022-06-01“…They are mutagenic, persistent in the environment, and cause diseases and mortality worldwide. Nitro-PAHs have a higher carcinogenic potential than their parent PAHs; however, the scientific community’s understanding of their properties and quantities in different matrices is still rudimentary. …”
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61650
Metodología para valorar y clasificar herramientas de evaluación de accesibilidad web
Published 2017-12-01“…La validación realizada de este modelo en julio de 2017 de dio como resultado la categorización de las cinco mejores herramientas de licencia libre por cada nivel de conformidad (A, AA y AAA). …”
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61651
Artificial neural network analysis of Jeffrey hybrid nanofluid with gyrotactic microorganisms for optimizing solar thermal collector efficiency
Published 2025-02-01“…Abstract This article investigates solar energy storage due to the Jeffrey hybrid nanofluid flow containing gyrotactic microorganisms through a porous medium for parabolic trough solar collectors. …”
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61652
Implementasi Algoritma Convolutional Neural Network untuk Klasifikasi Jenis Keris
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61653
Avaliação das funções executivas em idosos acometidos por doenças crónico-degenerativas
Published 2012-01-01“…Esta investigación se realizó con el objetivo de verificar la existencia de déficits en el desempeño de las funciones ejecutivas en pacientes ancianos con enfermedades crónicas a través de la prueba de clasificación de tarjetas de Wisconsin e investigar patologías asociadas (depresión y ansiedad) y sus implicaciones en la vida en los ancianos. …”
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61654
Advancements in soil science for sustainable agriculture: conventional and emerging knowledge and innovations
Published 2024-09-01“…In this article, soil biodiversity is emphasized as a significant factor influencing nutrient cycling and ecosystem services. …”
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61655
It is not just your opinion. Gender equity endorsement of Latin American students and their peers at school
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61656
La administración liberal en la Provincia de Bogotá 1849-1857
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61657
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61658
Evolución de la degradación de atrazina en dos perfiles de suelo de la provincia de Córdoba
Published 2003-01-01“…En el perfil aluvial, la variación fue de 12 a 57 días. En el horizonte Ap, que tuvo aplicaciones previas de atrazina se detectó mayor degradación de atrazina. …”
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61659
The role of candidate genetic polymorphisms in covid-19 susceptibility and outcomes
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61660
Evaluation of C-X-C chemokine receptor type 4 (CXCR4) and Peroxisome proliferator-activated receptor gamma (PPAR-γ) expression in colorectal carcinoma: Relation to the available cl...
Published 2023-07-01“…PPAR-γ expression showed a statistically significant inverse relation with histologic types (P = 0.001), tumor grade (P = 0.005), depth of tumor invasion (P = 0.001), lymph node status (P = 0.001), TNM stage (P = 0.002), and vascular invasion (P = 0.001). …”
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