Results 71 to 80 of about 33,873 (194)

Geotechnical properties of sediments of the Barreiras Formation in Rio Grande do Norte - Brazil

open access: yesGeotecnia, 2015
The Barreiras Formation is a geological unit of sedimentary nature that outcrops in a strip along approximately 4000 km in the Brazilian coast. In the Northeast Region, the Barreiras Formation supports multiple cities and their infrastructure. This study aimed to jointly review, summarize and interpret the various works done on the geotechnical aspects
Júnior, Olavo   +2 more
openaire   +1 more source

Changes of Phenolic Profiles, Bioaccessibility, and Antioxidant Performance of Areca catechu L. Extracts During In Vitro Digestion

open access: yesFood Science &Nutrition, Volume 14, Issue 3, March 2026.
This diagram illustrates the dynamic changes in phenolic content, bioaccessibility, antioxidant activity, and phenolic profiles of areca nut extracts from different parts during in vitro digestion, highlighting their functional food potential. ABSTRACT Areca nut (Areca catechu L.), an economically vital tropical fruit in China, generates substantial ...
Wenting Dai   +4 more
wiley   +1 more source

Caracterização elétrica de blocos varistores à base de SnO2 Electrical characteristics of SnO2-based varistor blocks

open access: yesCerâmica, 2012
Neste trabalho foi realizado um estudo das propriedades elétricas de blocos varistores à base de SnO2. Foram avaliadas a não linearidade destas cerâmicas por meio da caracterização tensão-corrente, bem como a altura, largura e os portadores de cargas por
R. L. Brito   +8 more
doaj   +1 more source

Direct Ambient Mass Spectrometry for Food, Beverage, and Agricultural Sample Analysis and Research

open access: yesMass Spectrometry Reviews, Volume 45, Issue 2, Page 429-452, March/April 2026.
ABSTRACT Ambient and direct mass spectrometry (MS) methods are becoming increasingly used for the rapid analysis of food, beverage and agricultural samples. Novel ionization approaches combined with targeted, or untargeted workflows provide analytical outcomes within a greatly reduced time period compared to traditional separation science coupled with ...
Leigh M. Schmidtke   +3 more
wiley   +1 more source

Hidratação de ligantes na presença de matriz e aditivos Hydration of binders in the presence of matrix and additives

open access: yesCerâmica, 2007
Ligantes hidráulicos, como os cimentos de aluminato de cálcio e as aluminas hidratáveis, são os responsáveis pelo desenvolvimento de resistência mecânica de concretos refratários (desmoldagem) influenciando também as suas propriedades reológicas ...
I. R. Oliveira, V. C. Pandolfelli
doaj   +1 more source

Impacts of a liberalization in the USA market for Frozen Concentrated Orange Juice: why Florida´s producers are so afraid? [PDF]

open access: yes
This study aims at examining the resource allocation and welfare implications of the reduction of barriers in the United States market for Frozen Concentrated Orange Juice (FCOJ) imported from Brazil.
Ferreira, Adriana Nunes   +2 more
core   +1 more source

New insights from low-temperature thermochronology into the tectonic and geomorphologic evolution of the south-eastern Brazilian highlands and passive margin [PDF]

open access: yes, 2019
The South Atlantic passive margin along the south-eastern Brazilian highlands exhibits a complex landscape, including a northern inselberg area and a southern elevated plateau, separated by the Doce River valley.
De Grave, Johan   +4 more
core   +2 more sources

PEDOTRANSFER FUNCTIONS FOR WATER RETENTION IN THE MAIN SOILS FROM THE BRAZILIAN COASTAL PLAINS

open access: yesCiência e Agrotecnologia, 2015
Pedotransfer functions (PTFs) are equations used to estimate soil characteristics difficult to determine from other easily obtained ones. Water retention in soil is used in several agronomic and environmental applications, but its direct determination is
Elidiane da Silva   +5 more
doaj   +1 more source

Potential barrier behavior in BiCuVOX materials Comportamento da barreira de potencial em materiais BiCuVOX

open access: yesCerâmica, 2011
The BiMeVOX materials appear being high attractive for applications at low temperatures when the ionic conductivity is the determining parameter. The occurrence of many types substitution was confirmed for numerous Me ions, but the greatest interest have
S. M. Gheno   +2 more
doaj   +1 more source

Spatial-Temporal patterns of bean crop in Brazil over the Period 1990–2013 [PDF]

open access: yes, 2017
The understanding of spatial dependence and distribution of agricultural production factors is a key issue for the territorial planning and regional development.
Carvalho Júnior, Osmar Abílio de   +5 more
core   +2 more sources

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