Results 81 to 90 of about 250,542 (292)

Understanding the Interplay Between Thermal Activation, Diffusion, and Phase Segregation of Molecular Dopants Blended with Polymeric Semiconductors

open access: yesAdvanced Electronic Materials, EarlyView.
The use of air stable but thermally labile molecules provides an efficient strategy for the N‐type doping of organic semiconductors with relatively low electron affinities. Design criteria for efficient dopants should also take into account diffusion and phase segregation that cannot be decoupled from thermally activated doping.
Francesca Pallini   +15 more
wiley   +1 more source

Tratamiento del hormigón al autoclave

open access: yesMateriales de Construccion, 1955
El tratamiento al autoclave ofrece interesantes oportunidades para la preparación de productos de hormigón, a partir de una gran variedad de materias primas.
S.F.S.
doaj   +1 more source

Poria cocos as a Functional Food for Diabetes and Diabetes‐Related Foot Ulcers

open access: yesAgriFood: Journal of Agricultural Products for Food, EarlyView.
Poria cocos is known as an edible mushroom for food and medicine. Poria cocos and its terpenes and terpenoids serve as novel remedies to treat diabetes and its ulcers. Its mode of actions includes reduction of insulin resistance, starch digestion and inflammation as well as promotion of blood vessel formation. ABSTRACT Poria cocos is a medicinal fungus
Yi‐San Lee   +3 more
wiley   +1 more source

Determinantes de los precios reales del petróleo y de las materias primas no petroleras, 1980:1-2009:3

open access: yesAnálisis Económico, 2010
Los cambios registrados durante los últimos años en los precios de las materias primas han generado un considerable interés por parte de los investigadores empíricos.
Luis N. Lanteri
doaj  

La irrupción del mercado energético en el medio forestal [PDF]

open access: yes, 2008
El fomento de la implementación y el uso de fuentes de energías renovables en toda la Unión Europea, y también en España, entre otros efectos ha conseguido que ciertas materias primas que hasta hace relativamente poco tiempo tenían un uso estrictamente ...
Gregorio, Marga de   +1 more
core  

Farmers' Participation in Messenger‐Based Social Groups And Its Effects on Performance in Irrigated Areas of Kazakhstan and Uzbekistan

open access: yesAgribusiness, EarlyView.
ABSTRACT The penetration of information and communication technologies (ICTs) in farming communities is increasing the use of smartphone‐based instant messaging apps. Despite this, the reasons behind participation and the impact on farm productivity in developing countries remain unexplored.
Zafar Kurbanov   +4 more
wiley   +1 more source

Efecto del procesado físico de diferentes materias primas sobre el rendimiento productivo y composición de la grasa abdominal del broiler [PDF]

open access: yes, 1997
El objetivo de este trabajo fue determinar el efecto de la incorporación en el pienso de diversas materias primas sometidas a procesado físico sobre los rendimientos productivos del broiler.
Barroeta, Ana Cristina   +3 more
core   +1 more source

Structure and Spectroscopic Characterisation of Phenanthroline‐Based Iodobismuthate(III) Complexes Utilised for Raw Acoustic Signal Classification

open access: yesAdvanced Intelligent Discovery, EarlyView.
Memristors based on trimethylsulfonium (phenanthroline)tetraiodobismuthate have been utilised as a nonlinear node in a delayed feedback reservoir. This system allowed an efficient classification of acoustic signals, namely differentiation of vocalisation of the brushtail possum (Trichosurus vulpecula).
Ewelina Cechosz   +4 more
wiley   +1 more source

Análisis arqueometalúrgico de yacimiento calcolítico de “La Pijotilla” (Badajoz) [PDF]

open access: yes, 1999
Los restos de carácter metalúrgico del yacimiento de La Pijotilla han sido so metidos a distintos métodos analíticos (XRF, Microsonda, Metalografías, Isóto pos de Plomo) para la caracterización de la tecnología metalúrgica Calcolítica, evaluar los ...
Hunt Ortiz, Mark A.   +1 more
core  

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