Results 31 to 40 of about 14,607 (205)

Minerales modificados como pigmentos para pinturas anticorrosivas [PDF]

, 2021
El objetivo de este trabajo fue ensayar como pigmentos anticorrosivos zeolitas y talcitas modificadas y compararlas con la mezcla de fosfato de cinc y zeolita intercambiada con cerio.
Roselli, Sol Natacha, Deyá, Marta Cecilia, Romagnoli, Roberto, Bellotti, Natalia   +3 more
core  

Pigmentos e Corantes

, 2021
Publicado pela Editora Poisson.
openaire   +1 more source

As clorofilas [PDF]

Ciência Rural, 2005
As clorofilas são pigmentos verdes, comuns em todas as células fotossintéticas. Por sua estrutura química ser instável, são facilmente degradadas, resultando em produtos de decomposição que modificam a percepção e qualidade dos alimentos.
Nivia Maria Streit, Liana Pedrolo Canterle, Marta Weber do Canto, Luísa Helena Hychecki Hecktheuer   +3 more
doaj   +1 more source

Muralismo como encargo participativo: Holografía de lo (in)visible en comunidades a’i cofán de la selva colombiana

Anthropology of Consciousness, Volume 37, Issue 2, Fall 2026.
ABSTRACT When mural art in indigenous communities is commissioned as a participatory project, several methodological, epistemological, and aesthetic questions arise. This text proposes a horizontal and investigative approach to what we can simply call ‘muralism in the A'i Cofán community context,’ not as significant works executed in communities, but ...
Daniel Alberto Restrepo Hernández, Andrés Rojas Guarín, Alexander Queta Criollo   +2 more
wiley   +1 more source

Incorporação de resíduo de galvanoplastia na produção de pigmentos inorgânicos [PDF]

, 2003
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Química.O lodo proveniente do tratamento de efluentes do processo de galvanoplastia tem recebido particular atenção devido à ...
Milanez, Kênia Warmling
core  

Extraction of bioactive compounds and free radical scavenging activity of purple basil (Ocimum basilicum L.) leaf extracts as affected by temperature and time

Anais da Academia Brasileira de Ciências, 2016
In the current study, response surface methodology (RSM) was used to assess the effects of extraction time and temperature on the content of bioactive compounds and antioxidant activity of purple basil leaf (Ocimum basilicum L.) extracts.
ALESSANDRA C. PEDRO, FERNANDA MOREIRA, DANIEL GRANATO, NEIVA D. ROSSO   +3 more
doaj   +1 more source

Repositories of biocultural diversity: Toward best practices for empowering ethnobotany in digital herbaria

PLANTS, PEOPLE, PLANET, Volume 8, Issue 4, Page 1095-1103, July 2026.
Societal Impact Statement As herbaria digitize millions of plant specimens, ethnobotanical information associated with them is becoming increasingly accessible. These biocultural data include plant uses, names, and/or management practices of Indigenous Peoples and Local Communities (IPLCs).
Robbie Hart, Viviane Fonseca‐Kruel, Eduardo Dalcin, Estevão da Silva Luís Alexandre, Matthew Pace, Michaela Schmull, Leonardo Beltran‐Rodríguez, Miguel Murguía‐Romero, Diana G. Flores‐Camargo, Cristina Mapes‐Sánchez, Mark Nesbitt, Carolina Romero, Andrew Townesmith, Jan Salick, Alex McAlvay, Kenneth R. Otero‐Walker, Michael J. Balick, Jacob Golan, Bruce Hoffman, Kelsey Leonard, Giulia Mattalia, Guillaume Odonne, Aurora Prehn, Ina Vandebroek   +23 more
wiley   +1 more source

Pigmento: Pigment-Based Image Analysis and Editing [PDF]

IEEE Transactions on Visualization and Computer Graphics, 2019
add copyright to images; add acknowledgements, is accepted by IEEE Transactions on Visualization and Computer Graphics (IEEE TVCG)
Jianchao Tan, Stephen DiVerdi, Jingwan Lu, Yotam I. Gingold   +3 more
openaire   +5 more sources

PIGMENTOS Y PINTURAS DE MINERAL DE COBRE EN LA REGIÓN DE TARAPACÁ, NORTE DE CHILE: NUEVOS DATOS PARA UNA TECNOLOGÍA PIGMENTARIA PREHISPÁNICA

Estudios Atacameños
La explotación de los recursos minerales de cobre en el norte de Chile implicó la producción de pigmentos azules y verdes identificados, hasta ahora, en pintura rupestre, en nódulos y en estado de polvo al interior de contenedores de cuero provenientes ...
Marcela Sepúlveda, Valentina Figueroa, José Cárcamo   +2 more
doaj   +1 more source

Epidermal Nevi and Epidermal Naevus Syndromes

JEADV Clinical Practice, Volume 4, Issue 3, Page 669-680, August 2025.
ABSTRACT Epidermal nevi (EN) arise from postzygotic variants in ectoderm‐derived cell lines, such as keratinocytes and cells forming adnexa. EN may be present alone without any associated abnormality or be part of a syndrome. In this review, we will discuss about the clinical and genetics of the main types of EN and related syndromes.
Gianluca Tadini, Beatrice Carcano, Michela Brena   +2 more
wiley   +1 more source