Results 51 to 60 of about 30,246 (153)

rphological aspects of fruits, seeds and seedlings of Rhamnidium elaeocarpum Reissek

open access: yesSemina: Ciências Agrárias, 2015
Rhamnidium elaeocarpum Reissek is a species found in forests, especially in riparian forests. This medicinal species is commonly used to reduce itching of the gums in children at the onset of teething and contains several substances responsible for ...
Lílian Abadia da Silva   +4 more
doaj   +1 more source

Engineering a Correlated Narrow‐Gap Semiconductor: Effects of Ga Substitution in EuZn2P2

open access: yesAdvanced Electronic Materials, EarlyView.
ABSTRACT The effect of Ga substitution on the electronic, magnetic, and low‐energy responses of the Zintl phase EuZn2P2${\rm EuZn}_2 {\rm P}_2$ is investigated by electrical transport, electron spin resonance (ESR), and terahertz time‐domain spectroscopy (THz‐TDS). Incorporating Ga into EuZn2P2${\rm EuZn}_2 {\rm P}_2$ (EuZn1.8Ga0.2P2${\rm EuZn}_{1.8} {\
Mateus Dutra   +13 more
wiley   +1 more source

Engineering Atomically Precise Cu4I4 Nanoclusters With Integrated Adsorption and Hydrogenation Functions for Efficient Photocatalytic Nitrate‐to‐Ammonia Conversion

open access: yesAngewandte Chemie, EarlyView.
Efficient photocatalytic nitrate‐to‐ammonia conversion is achieved over an atomically precise Cu4I4 motif through dual‐site cooperation. Lewis‐acidic Cu centers promote nitrate adsorption and activation, while adjacent I sites facilitate active hydrogen generation for stepwise hydrogenation.
Wanting Zhang   +13 more
wiley   +2 more sources

EFICIÊNCIA DE HERBICIDAS APLICADOS EM PÓS-EMERGÊNCIA NA CULTURA DO FEIJÃO-CAUPI

open access: yesColloquium Agrariae, 2020
Com o objetivo de avaliar a eficiência de herbicidas aplicados em pós-emergência na cultura do feijão-caupi conduziram-se dois ensaios em blocos casualizados com quatro repetições.
Leandro Spíndola Pereira   +6 more
doaj  

Democracia Participativa e Juventude Politizada: estudo bibliométrico sobre os periódicos brasileiros de políticas públicas de juventude

open access: yesCiência da Informação em Revista, 2018
As políticas públicas de juventude (PPJ) são um tema essencialmente multidisciplinar, cujas discussões em âmbito federal acontecem na Secretaria Nacional de Juventude, em parceria com os ministérios.
Frederico Ramos Oliveira   +4 more
doaj   +1 more source

Mapping the Innovation DNA of Agribusiness Firms: A Multi‐Method Analysis of Strategic Capabilities and Performance

open access: yesAgribusiness, EarlyView.
ABSTRACT Innovation is essential for competitiveness in agribusiness facing dynamic environments. This study examines how market orientation, marketing, relational, and social capabilities influence innovation performance. Using data from 751 Spanish firms and a multi‐method approach that integrates Structural Equation Modeling (PLS‐SEM), Necessary ...
Beatriz Corchuelo Martínez‐Azúa   +1 more
wiley   +1 more source

Acceptor‐Doped Cerium Oxides Enabling Metallic Nanocatalyst Exsolution for Hydrogen Production From Ammonia

open access: yesAngewandte Chemie, EarlyView.
Outstanding catalytic results for NH3 decomposition for H2 production were obtained with metallic Ru, Rh, and RuRh nanoparticle‐exsolved CeO2‐based catalysts. Significant lower amounts of available superficial metallic fractions were needed in comparison to conventional Ru‐impregnated materials.
Andrés López‐García   +8 more
wiley   +2 more sources

Multiclass portfolio optimization via variational quantum Eigensolver with Dicke state ansatz

open access: yesScientific Reports
Combinatorial optimization is a fundamental challenge in various domains, with portfolio optimization standing out as a key application in finance.
J. V. S. Scursulim   +3 more
doaj   +1 more source

Efeitos da temperatura e da umidade dos grãos de milho nos parâmetros de qualidade tecnológica

open access: yesRevista Eletrônica Científica da UERGS, 2018
Os grãos de milho são utilizados com diversas finalidades no setor agroindustrial, principalmente com destaque para uso na indústria alimentícia, necessitando de armazenamento adequado para atender a demanda de matéria-prima com qualidade ao longo do ...
Lanes Beatriz Acosta JAQUES   +4 more
doaj   +1 more source

Accelerating Biosensor Discovery: A Computationally‐Driven Pipeline for Microplastics Monitoring

open access: yesAdvanced Intelligent Discovery, EarlyView.
A computationally guided pipeline unites molecular simulation, synthetic biology, electrochemical engineering, and machine learning to accelerate biosensor discovery. A Bacillus anthracis carbohydrate‐binding module is used to develop a high‐performance micro‐ and nanoplastics sensor with greatly reduced error and variability.
Gabriel X. Pereira   +13 more
wiley   +1 more source

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