Results 1 to 10 of about 405,960 (378)
Pensamiento Crítico, 2009 Este artículo presenta los resultados de una investigación sobre el impacto que podría tener la firma del Tratado de Libre Comercio con Estados Unidos en las micro y pequeñas empresas confeccionistas.
Jose Pinto Castro
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Molecules, 2022 The aim of this paper is to present a comprehensive overview of the main aims and scopes in screening of botanicals, a task of which thin-layer chromatography (TLC) is, on an everyday basis, confronted with and engaged in.
T. Kowalska, M. Sajewicz
semanticscholar +1 more source
Series Architecture on Hybrid Electric Vehicles: A Review
Energies, 2021 The use of series architecture nowadays is mainly on hybrid buses. In comparison with series-parallel and parallel architectures, which are usually exploited on medium-size cars, the series architecture allows achieving internal combustion engine higher ...
Alessandro Benevieri +6 more
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State-Space Approach for SPMSM Sensorless Passive Algorithm Tuning
Energies, 2021 Sensorless algorithms for Permanent Magnet Synchronous Motors (PMSM) have achieved increasing interest in the technical literature over the last few years.
Lorenzo Carbone +4 more
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TLC-smartphone in antibiotics determination and low-quality pharmaceuticals detection
RSC Advances, 2021 Thin layer chromatography (TLC) is a powerful and simple technique for screening and quantifying low quality and counterfeit pharmaceutical products. The detection methods used to detect and quantify separate analytes in TLC ranges from the densitometric
Asmaa G. Gad +3 more
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Induction Motor Field-Oriented Sensorless Control with Filter and Long Cable
Energies, 2022 In recent years, part of the efforts of the electric drive researcher has been focused on the study of sensorless control algorithms that allow controlling the machine without a speed measure and with ever-fewer measurement devices. This article proposes
Lorenzo Carbone +5 more
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Full thickness 3D in vitro conjunctiva model enables goblet cell differentiation
Scientific Reports, 2023 In vitro culture and generation of highly specialized goblet cells is still a major challenge in conjunctival 3D in vitro equivalents. A model comprising all physiological factors, including mucus-secreting goblet cells has the potential to act as a new ...
Julian Schwebler +3 more
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Induction Motor Direct Torque Control with Synchronous PWM
Energies, 2021 A novel induction motor direct torque control (DTC) algorithm with synchronous modulation is presented. Compared to the traditional DTC method, whose main drawback is the presence of low-frequency torque harmonics (sub-harmonics), in the proposed method,
Alessandro Benevieri +4 more
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Energies, 2022 Asynchronous machines are always widely used in most industrial applications due to their reliability, flexibility, and manoeuvrability. To achieve variable speed operations, the quite simple open-loop V/Hz control is largely utilized.
Lorenzo Carbone +5 more
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Energies, 2020 In this paper, an accurate efficiency evaluation of an innovative three-switch double input DC−DC converter for hybrid vehicle applications was carried out. The converter was used to interface two storages, (e.g., supercapacitor and battery) to the
Mario Marchesoni +2 more
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