Results 21 to 30 of about 215,068 (138)
Brazilian Journal of Development, 2019 Electronic dissemination media are current spaces for information mediation and learning, and chemistry can be related to everyday life in this current approach.
A. Santos +5 more
semanticscholar +1 more source
El desarme y la regulación de armamentos [PDF]
, 2012 The article briefly describes the state of the art of the main aspects of arms regulation. It makes special references, when appropriate, to the position taken by Chile.El artículo presenta someramente los principales aspectos de la regulaci ...
Vargas Carreño, Edmundo
core +3 more sources
Handling Parameter Variations during the Treatment of Type 1 Diabetes Mellitus: In Silico Results
Mathematical Problems in Engineering, Volume 2019, Issue 1, 2019., 2019 Type 1 diabetic patients need a strict treatment to regulate blood glucose concentration in a target range. Despite the development of different control strategies, the model parameter variations, given by physiological changes, can generate an inaccurate treatment and in consequence hyperglycemia and hypoglycemia episodes.
María F. Villa Tamayo +3 more
wiley +1 more source
DFT Study of Polythiophene Energy Band Gap and Substitution Effects
Journal of Chemistry, Volume 2015, Issue 1, 2015., 2015 Polythiophene (PTh) and its derivatives are polymer‐based materials with a π‐conjugation framework. PTh is a useful photoelectric material and can be used in organic semiconductor devices, such as PLED, OLED, and solar cells. Their properties are based on molecular structure; the derivatives contain different substitutes in the 3 and 5 positions, such ...
Si. Mohamed Bouzzine +6 more
wiley +1 more source
USFQ Law Review, 2018 Cada vez con mayor frecuencia, los conflictos modernos presentan un nivel de complejidad diferente a los conflictos tradicionales. Esta complejidad se evidencia principalmente a través de dos características: las desproporcionadas consecuencias ...
Roberto Eguiguren, Karla Lasso
doaj +1 more source
La amenaza química de al-Qaeda [PDF]
, 2007 Este ARI analiza el interés y la capacidad de obtener armas químicas por parte de al-Qaeda, así como su posible uso en atentados terroristas como arma de destrucción masiva, es decir, con el fin de causar un elevado número de víctimas.
Pita, René
core
, 2016 Abordamos el presente trabajo con el objetivo de realizar una revisión bibliográfica que nos permita elaborar un análisis del empleo de armas biológicas tanto en el pasado, es decir, una documentación de la utilización de éstas a lo largo de la historia,
Bruhn Cuevas, Rosa María
core +1 more source
International Journal of Alzheimer’s Disease, Volume 2012, Issue 1, 2012., 2012 Alzheimer pathogenesis involves mitochondrial dysfunction, which is closely related to amyloid‐β (Aβ) generation, abnormal tau phosphorylation, oxidative stress, and apoptosis. Alterations in membranal components, including cholesterol and fatty acids, their characteristics, disposition, and distribution along the membranes, have been studied as ...
Sergio A. Rosales-Corral +8 more
wiley +1 more source
Amenazas nucleares, biológicas y químicas, una estrategia de manejo
Revista Científica General José María Córdova, 2018 Esta investigación revisa la importancia que tiene elaborar un manual del Ejército colombiano para controlar el riesgo y las amenazas nucleares, biológicas o químicas (NBQ).
John Aldrin Hernández Méndez
doaj +1 more source
As Armas Não Letais como Abordagem Temática para o Ensino de Química [PDF]
, 2017 Nos últimos anos o Brasil acompanhou uma série de manifestações reivindicando a melhoria na qualidade dos serviços públicos. Como resposta a essas manifestações houve uma intensa abordagem policial, com o uso de armas não letais, como o gás lacrimogêneo ...
Razuck, Fernando Barcellos +1 more
core +2 more sources