Results 11 to 20 of about 1,879,010 (294)

Relationships between hornblende K-Ar ages, chemical composition and hydrogen isotopes, Connemara, western Ireland: evidence for a massive extinct hydrothermal system [PDF]

open access: yes, 2001
Major element compositional analyses, K-Ar ages, deltaD parts per thousand and delta O-18 parts per thousand values for 30 zoned and unzoned hornblendes from Dalradian amphibolites and metagabbros. mostly in north Connemara are reported.
Fallick, A.E., Jappy, T.G., Leake, B.E.
core   +5 more sources

Variations in radiocarbon ages of various organic fractions in core sediments from Erhai Lake, SW China [PDF]

open access: yes, 2003
Radiocarbon dating was performed for the extracted organic fractions (cellulose-rich and humic acid fractions of plant fragment; fulvic acid, humic acid and humin fractions of humus substance) and shell from core sediments of the Erhai Lake, SW China ...
Xu, S., Zheng, G.
core   +5 more sources

Ageing and vascular ageing [PDF]

open access: yesPostgraduate Medical Journal, 2006
Abstract There is an age related decline in various physiological processes. Vascular ageing is associated with changes in the mechanical and the structural properties of the vascular wall, which leads to the loss of arterial elasticity and reduced arterial compliance.
B, Jani, C, Rajkumar
openaire   +2 more sources

To age or not to age

open access: yesProceedings of the Royal Society of London. Series B: Biological Sciences, 2004
According to the antagonistic pleiotropy theory of ageing, natural selection has favoured genes conferring short-term benefits to the organism at the cost of deterioration in later life. The 'disposable soma' theory expresses this as a life-history strategy in which somatic maintenance is below the level required to prevent ageing, thus enabling higher
Peter D, Sozou, Robert M, Seymour
openaire   +3 more sources

MARK-AGE biomarkers of ageing [PDF]

open access: yesMechanisms of Ageing and Development, 2015
Many candidate biomarkers of human ageing have been proposed in the scientific literature but in all cases their variability in cross-sectional studies is considerable, and therefore no single measurement has proven to serve a useful marker to determine, on its own, biological age.
Bürkle, Alexander   +29 more
openaire   +8 more sources

Based on a true history?: The impact of popular "Medieval Film" on the public understanding of the Middle Ages [PDF]

open access: yes, 2010
This thesis examines the understanding of the Middle Ages among the UK public and the impact that popular big-budget films which depict the period have on that understanding. Three films released between 2000 and 2009 are chosen for detailed study, their
Sturtevant, Paul.B.
core   +4 more sources

The future of Age and Ageing [PDF]

open access: yesAge and Ageing, 2002
The delivery of healthcare in the United Kingdom is going through a period of change, with many new developments. Some of these represent the aspirations of politicians and those who manage the National Health Service, and others are being forced upon us because of the shortage of resources (not always financial).
openaire   +2 more sources

Age and Ageing: An Overview [PDF]

open access: yesOccupational Medicine, 2000
Europe is ageing, as exemplified by the UK population where, in the foreseeable future, more people will be over than under age 50: industry appears slow to recognise and appreciate all that older workers still have to offer: bundling them off into early retirement wastes precious talents. Memory difficulty is not an inevitable part of ageing.
openaire   +2 more sources

Sinais clínicos do transtorno do espectro autista (TEA) para auxiliar o odontopediatra no diagnóstico precoce

open access: yesRevista da Faculdade de Odontologia de Porto Alegre, 2022
Introdução: O Transtorno do Espectro Autista (TEA) é um distúrbio de desenvolvimento que interfere nas áreas de interação social e comportamental, podendo ser classificado em níveis leve, moderado e severo.
Aíla Andrade Batista   +2 more
doaj   +1 more source

Terapia fotodinâmica como coadjuvante ao tratamento endodôntico: revisão de literatura

open access: yesRevista Uningá, 2022
A Terapia Fotodinâmica (PDT) vem ganhando espaço na endodontia por demonstrar um excelente potencial de descontaminação dos canais in vivo. Por meio de uma revisão de literatura, o presente estudo tem como objetivo discorrer sobre a efetividade da PDT ...
Marcus Vinícius Rabelo Santos Carvalho   +3 more
doaj  

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