Results 41 to 50 of about 662,395 (283)
Optical Characterization of Fluorescent Chitosan-Based Carbon Dots Embedded in Aqueous Natural Dye
Colorants(1) Background: This work evaluated the optical characterization of aqueous fluorescent chitosan-based carbon dots (or carbon nanoparticles CNPs) embedded in natural dye for potential functional packaging applications.
Sthanley R. De Lima +6 more
doaj +1 more source
O Engenho da Rainha: feixes de direitos e conflitos nas terras de Carlota (1819-1824)
Revista Brasileira de História, 2015 RESUMO O artigo analisa as disputas das terras, em tese pertencentes a Carlota Joaquina, na região hoje conhecida como o Engenho da Rainha. Em contraponto à memória que se firmou sobre o total desinteresse de Carlota - "destas terras não quero nem o pó" -
Márcia Maria Menendes Motta
doaj +1 more source
Novelty for the flora of Espírito Santo, Brazil: a new species of Ouratea Aubl. (Ochnaceae)
Nordic Journal of Botany, EarlyView.Here, we describe and illustrate the new species Ouratea oberdanii Fraga & Deccache, which is named after Dr Oberdan José Pereira. This new species is found in the mountainous regions of the evergreen Atlantic Forest in the Brazilian state of Espírito Santo. Ouratea oberdanii is similar to O. linearis (A.Gray) Sastre & Offroy and O.
Lara Serpa Jaegge Deccache +4 more
wiley +1 more source
Digitalising biodiversity: Exploring perceptions on risks and opportunities
PLANTS, PEOPLE, PLANET, EarlyView.Digitalisation is transforming biodiversity conservation, offering new opportunities for research, governance and public engagement. Herbarium digitisation, for example, enables large‐scale access to plant data, supporting conservation, restoration and sustainable use.
Björn‐Ola Linnér +9 more
wiley +1 more source
Propriedades da madeira de cerne e alburno de Eucalyptus camaldulensis
, 2017 Nao ha um consenso entre as industrias produtoras de carvao sobre qual tipo de madeira e mais adequada, ou seja, se e desejavel maior proporcao de cerne ou de alburno.
Ana Carolina Silva Costa +5 more
semanticscholar +1 more source
Linear Invariant Systems Theory for Signal Enhancement [PDF]
, 2011 This paper discusses a linear time invariant (LTI) systems approach to signal enhancement via projective subspace techniques. It provides closed form expressions for the frequency response of data adaptive finite impulse response eigenfilters.
Georgieva, P. +5 more
core +1 more source
Comparative evaluation of properties of a clay based ceramic shaped via four techniques
CerâmicaThe results of qualitative and quantitative properties of clay based ceramic are presented in this work. Four different shaping methods and sintering temperatures were used to understand their influence in the final properties of a ceramic material ...
C. I. Torres +4 more
doaj +1 more source
Cerâmica, 2009 O objetivo deste trabalho é caracterizar e incorporar, em cerâmica argilosa, três tipos de resíduos provenientes das etapas de desarenação, decantação e de filtração de uma estação de tratamento de água - ETA.
J. P. D. Vitorino +2 more
doaj +1 more source
International Journal of Urban and Regional Research, EarlyView.Abstract Africa is recognized as the final frontier for urbanization and capitalism. Following a long wave of massive loans to promote state‐led developments, small private foreign and local developers are transforming the urban landscape on the outskirts of Luanda, forging partnerships with Angola's national and local governments and developing an ...
Higor Carvalho
wiley +1 more source
Psicologia: Teoria e Pesquisa, 2018 Resumo Este estudo investigou as propriedades psicométricas da versão brasileira da Basic Needs Satisfaction in Sport Scale (BNSSS). O instrumento foi traduzido e adaptado por três especialistas da área. Um total de 475 atletas participaram deste estudo:
J. A. N. Junior +2 more
semanticscholar +1 more source