Results 41 to 50 of about 34,593 (226)

Heterogeneous Exhumation Mechanisms in Neoproterozoic Collisional Metamorphism: P–T Constraints From Pelotas and Punta del Este Terranes, Southern Brazil and Uruguay

open access: yesGeological Journal, EarlyView.
Petrography, thermobarometry, and pseudosection modelling reveal peak metamorphic conditions of 3–7.5 kbar and 520°C–800°C in Tonian‐Cryogenian orthogneisses of the Dom Feliciano Belt. Metamorphic field gradients of 27°C/km–39°C/km and variable exhumation mechanisms support correlation of these units as remnants of a Himalayan‐type Piratini Orogeny ...
Thaiane Niederauer‐Santos   +6 more
wiley   +1 more source

Museo di Geologia e Paleontologia [PDF]

open access: yes, 2009
Palazzo Cavalli, edificato dai Foscari tra la fine del\u27400 e l\u27inizio del\u27500, fu acquistato verso la metà del\u27600 dal Provveditore Marin Cavalli, che lo rinnovò completamente e commissionò gli affreschi che lo arricchiscono.
Danesin, Matteo
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Biosurfactant production by Pseudomonas aeruginosa isolated from mining waste: From genomic analysis to development of a polymeric composite for removal of hexavalent chromium

open access: yesPolymer International, EarlyView.
Biosurfactant was produced by Pseudomonas aeruginosa using andiroba waste from Amazonia. A biosurfactant–alginate composite (Alg/BioS) was successfully synthesized via ionotropic gelation, and achieved up to 70% Cr6+ removal from water. Abstract Environmental contamination by heavy metals represents a significant challenge due to their persistence in ...
Paulo Diniz Austriaco   +11 more
wiley   +1 more source

Geologia : introdução à geologia [PDF]

open access: yes, 1997
Académico - LicenciaturasA Geologia como a ciência que estuda a Terra: os fósseis, os recursos minerais, os corpos extraterrestres. Os estudos recentes de outras áreas da Geologia. A Geologia marinha, do ambiente e de engenharia.N/
Carvalho, Galopim de
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Vulnerabilidade geológico-geomorfológica da folha Boqueirão, Paraíba

open access: yesRevista de Geociências do Nordeste, 2016
A Carta Geológica da Folha Boqueirão, escala 1:100.000, elaborada pelo Serviço Geológico do Brasil foi utilizada para analisar a vulnerabilidade erosiva a partir dos parâmetros geológicos e geomorfológicos.
Rafael Albuquerque Xavier   +2 more
doaj  

Herbivore and mesocarnivore carcasses trigger divergent short‐term changes in soil properties

open access: yesJournal of Animal Ecology, EarlyView.
Scavengers reshape nutrient cycles in soils under carrion. Compared to herbivore carcasses, smaller but longer‐lasting carnivore remains boost nutrient levels and microbial activity in dry soils. Abstract Animal corpses act as pulses of organic matter (OM) and serve a key zoogeochemical role by providing localized nutrient inputs to soils and thereby ...
Adrián Colino‐Barea   +15 more
wiley   +1 more source

Geologia della zona di Buqda Caqable nella regione di Hiiraan [PDF]

open access: yes, 1981
Alcune note sulla geologia e stratigrafia della zona di Buqda Caqable, nella regione di Hiran.Warbixinno kooban oo ku saabsan cilmibaaris joolojiyeed ee lagu sameeyey Buqda Caqaba ee gobolka Hiiraan.Some geological and stratigraphical notes on the area ...
M.M. Cabdulqaadir
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Geologia de engenharia. Génese, evolução e situação actual

open access: yesGeotecnia, 2010
Este trabalho relata as primeiras actividades de natureza científica, profissional e docente nos países onde foi mais visível a aplicação do conhecimento geológico de solos e maciços rochosos em projectos e obras de engenharia e descreve a evolução ...
Ricardo Oliveira
doaj   +1 more source

Biological invasions disrupt the relationship between size spectrum and trophic interactions in freshwater fish communities

open access: yesJournal of Animal Ecology, EarlyView.
Our study shows that non‐native species alter the relationship between the size‐spectrum slope and the predator–prey mass ratio (PPMR) in freshwater fish communities by occupying distinct trophic niches. Abstract The size spectrum, which describes the relationship between abundance (or biomass) and body size, is an ataxic approach that can provide ...
Valentin Marin   +3 more
wiley   +1 more source

Quaderni di Geologia della Somalia [PDF]

open access: yes, 1978
Secondo volume de Quaderni di Geologia della Somalia a cura della Facoltà di Geologia dell'Università Nazionale Somala. Contributi: G. Piccoli, C.F. Hilal, Quaderno di Paleontologia della Somalia; Perissotto A., Appunti di Geomorfologia della Somalia; F.

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