Results 21 to 30 of about 1,410,884 (169)

Water Influence in Poly(epichlorohydrin) Synthesis: An intermediate to Energetic Propellants

open access: yesJournal of Aerospace Technology and Management, 2012
Poly(epichlorohydrin) was synthesized using anhydrous and hydrate stannic chloride, separately, as initiator. Reactions were conducted in the presence of a diol at 70o C.
Jairo Sciamareli   +2 more
doaj   +1 more source

Redemocratização e espaço público em Porto Alegre: o projeto espaço urbano espaço arte [PDF]

open access: yes, 2012
O artigo discorre sobre o projeto de arte pública Espaço Urbano Espaço Arte, que ocorreu em Porto Alegre após a redemocratização do país, com o retorno das eleições diretas para prefeito das capitais dos estados, em 1985.
Alves, José Francisco
core   +2 more sources

May I pick your brain? Local minds as living cadastres in a Portuguese eleventh‐century lawsuit

open access: yesEarly Medieval Europe, EarlyView.
In the context of a dispute with the monastery of Lorvão, in the late eleventh century, the monks of Vacariça, near Coimbra (modern Portugal), carried out a field enquiry in the village of Recardães. This was part of a failed attempt to repossess a number of land plots that they claimed were theirs, but had lost control of.
Julio Escalona
wiley   +1 more source

Espaço Mudança [PDF]

open access: yes, 2009
O “Espaço de Mudança”, projecto gerido pela Santa Casa da Misericórdia do Concelho de Oliveira do Bairro, tem um Programa de Educação Parental (PEP) que funciona por encaminhamento e sinalização de entidades deste Concelho.
Guadalupe, Sonia (Orientadora)   +2 more
core   +1 more source

Potential of the Predatory Mites Gamasellodes lavafesii (Mesostigmata: Ascidae) and Cosmolaelaps mediocuspis (Mesostigmata: Laelapidae) on Different Soil Pests/Parasites and Alternative Prey for Large‐Scale Rearing

open access: yesJournal of Applied Entomology, EarlyView.
ABSTRACT Many species of Mesostigmata soil mites have potential as biological control agents of pests/parasites. This study evaluated the predation potential of two of these species, Gamasellodes lavafesii (Ascidae) and Cosmolaelaps mediocuspis (Laelapidae).
A. R. A. Barros   +4 more
wiley   +1 more source

WIND TUNNEL SIMULATION OF THE ATMOSPHERIC BOUNDARY LAYER FOR STUDY OF THE WIND PATTERN AT THE ALCANTARA SPACE CENTER doi: 10.5028/jatm.2012.04044912

open access: yesJournal of Aerospace Technology and Management, 2012
The Centro de Lançamento de Alcântara (CLA) is the main Brazilian Launching Center. In spite of presenting several desirable aspects due to its proximity of the Equator, it has a peculiar topography due to the existence of a coastal cliff, which modifies
Ana Cristina Avelar   +4 more
doaj  

The mathematical space in the portuguese language (EMeLP) [PDF]

open access: yes, 2018
The Mathematical Space in the Portuguese Language (EMeLP – Espaço Matemático em Língua Portuguesa) is an international partnership, the members of which are scientific societies and scientific and academic institutions whose main interest is the ...
Baldin, Yuriko   +4 more
core  

Integrative taxonomy reveals four new species of the armoured catfish genus Pareiorhina (Siluriformes: Loricariidae) from the upper Paraná River basin, Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract Four new species of the small‐sized armoured catfish genus Pareiorhina are described from mountain ranges in the Grande River drainage, upper Paraná River basin, based on morphological and molecular species delimitation methods. Molecular analyses based on the cytochrome oxidase subunit I (COI) marker recovered Pareiorhina as polyphyletic ...
Pedro L. C. Uzeda   +6 more
wiley   +1 more source

Exploring New Redshift Indicators for Radio-Powerful AGN

open access: yesGalaxies, 2021
Active Galactic Nuclei (AGN) are relevant sources of radiation that might have helped reionising the Universe during its early epochs. The super-massive black holes (SMBHs) they host helped accreting material and emitting large amounts of energy into the
Rodrigo Carvajal   +6 more
doaj   +1 more source

Polymer‐Crosslinking System‐Filler Interactions in Polychloroprene Adhesives: Experimental and Molecular Modeling Insights

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 12, March 20, 2026.
The use of polychloroprene is common in elastomeric adhesives. This study highlights the possible substitution of zinc oxide curing systems to a less hazardous metal complex, also evaluating the changes that higher surface area fillers can bring to the adhesive.
Gabriel Bachega Rosa   +3 more
wiley   +1 more source

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