Results 31 to 40 of about 81,316 (303)
Angewandte Chemie International Edition, EarlyView.This study employs a RuV═NH complex with hydrogen‐bonding (HB) sites in the SCS to afford non‐N‐substituted aziridines selectively. Nitrogen‐atom transfer occurs from the RuV═NH complex to alkenes in water to produce aziridine derivatives in high yields.
Tomoya Ishizuka +7 more
wiley +1 more source
IEEE AccessThis research addresses the obstacle avoidance problem in wheeled mobile robots powered by renewable energy by considering all subsystems involved. A three-tier hierarchical controller is developed, integrating the technique of artificial potential ...
Erik Reyes-Reyes +8 more
doaj +1 more source
La integració de les energies renovables en un model energètic sostenible [PDF]
, 2011 La sostenibilitat del model energètic de Catalunya es veu condicionada per aspectes com la dependència energètica, la seguretat de subministrament, l'eficiència energètica, els impactes ambientals i la demanda creixent.
Boada, Martí +6 more
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The Anatomical Record, EarlyView.Abstract To solidify their power over society, totalitarian regimes will usually eliminate any dissent, any perceived threats early on. These threats include not only political enemies but also educated and independent segments of society, such as professional associations.
Michael Hortsch
wiley +1 more source
Contribuciones en la modelación de energía renovable en sistemas de potencia
Ontare, 2019 En este artículo se realiza un análisis de la literatura científica producida en materia de modelación y simulación de sistemas de potencia con penetración de energía renovable.
Sergio Raúl Rivera-Rodríguez +1 more
doaj +1 more source
Native breeds conservation, sustainable economies and usefulness [PDF]
, 1998 In the present essay it is sought to tackle, from the point of view of Economic Methodology, questions so like: Must native breeds be preserved?. As soon as this question is resolved, assigning and appraising its importance, is the question.
García Martínez, Antón Rafael +2 more
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Archaeological Prospection, EarlyView.ABSTRACT Rain‐induced erosion processes can severely damage Earthen archaeological sites. Huaca Chornancap (HCH; eighth–14th century ad) is a platform located in the Lambayeque region (Peru) exposed to seasonal rain due to El Niño Southern Oscillation (ENSO).
Luigi Magnini +5 more
wiley +1 more source
CedamazLa jícama es un cultivo que posee alto contenido nutricional, sin embargo, con el paso del tiempo su uso se ha desvalorizado por desconocimiento. En este contexto, se realizó la presente investigación con el objetivo de revalorizar la jícama mediante la ...
Jenniffer Andrea Patiño Armijos +1 more
doaj +1 more source
Implementation of a Controller to Eliminate the Limit Cycle in the Inverted Pendulum on a Cart
Complexity, 2019 A frequency response-based linear controller is implemented to regulate the inverted pendulum on a cart at the inverted position. The objective is to improve the performance of the control system by eliminating the limit cycle generated by the dead-zone,
Mayra Antonio-Cruz +3 more
doaj +1 more source
Immersive reality capabilities of relieving hiraeth
Journal of the Association for Information Science and Technology, EarlyView.Abstract Understanding how immersive experiences foster a sense of presence sufficient to rival real‐world experiences remains an open research area. Prior work has largely examined episodic memory recall in simulated environments, but less is known about how immersive technologies can reconnect individuals with personal memories.
Erica Mi, Fred Fonseca
wiley +1 more source