Results 151 to 160 of about 1,030,441 (244)

Dinámica reciente de usos del suelo en el continuo metropolitano de Valencia (1956-1998) [PDF]

open access: yes, 2004
Los usos del suelo, y su expresión física como cubiertas superficiales, constituyen el principal elemento de modificación del paisaje en amplias zonas de los sistemas mediterráneos.
Pascual Aguilar, Juan Antonio
core  

Ultrasonographic diagnosis of caudoproximal humeral stress fracture in thoroughbred racehorses

open access: yesEquine Veterinary Journal, Volume 58, Issue 3, Page 788-796, May 2026.
Abstract Background Humeral stress fractures in racehorses can progress to catastrophic fracture if unrecognised. Scintigraphy is the gold standard diagnostic technique but is limited by accessibility and cost. It was hypothesised that ultrasonography could be used to visualise caudoproximal humeral stress fractures. Objectives To determine the utility
Betsy Vaughan   +6 more
wiley   +1 more source

Funções, usos e degradação do solo. [PDF]

open access: yes, 2015
A realidade da crise económica actual, no nosso País e em grande parte da Europa, devolveunos aos nossos limites territoriais e à necessidade premente de aproveitarmos melhor os recursos naturais que temos, entre os quais o solo.
Alexandre, Carlos
core  

Weighing the options: a test of alternative stomatal optimisation models at high temperatures

open access: yesNew Phytologist, Volume 250, Issue 3, Page 1551-1568, May 2026.
Summary Stomatal optimisation models centre upon a fundamental tradeoff for plants: opening stomata promotes carbon uptake, but closing stomata prevents water loss. However, stomatal opening can occur at high temperatures, causing evaporative cooling which limits thermal damage to leaves.
Camille K. Sicangco   +4 more
wiley   +1 more source

Plantas útiles en la medicina tradicional de Malpasito-Huimanguillo, Tabasco, México

open access: yesPolibotánica, 2017
En México las plantas medicinales son el recurso terapéutico por excelencia en la medicina tradicional, es rescatable en gran medida por constituir un importante elemento al combinar el conocimiento popular con el científi co para el tratamiento de ...
Edelia Claudina Villarreal-Ibarra   +6 more
doaj  

The evolution of early hominin food production and sharing. [PDF]

open access: yesProc Natl Acad Sci U S A, 2023
Alger I   +3 more
europepmc   +1 more source

[Reviewing Flammarion below the Equator]. [PDF]

open access: yesHist Cienc Saude Manguinhos, 2023
Vergara M.
europepmc   +1 more source

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