Results 11 to 20 of about 1,962,777 (258)

Pathways to interleukin-6 in healthy males and serious leisure male athletes: physical activity, body composition and age. [PDF]

open access: yes, 2012
Physical activity (PA) is beneficial to overall health, in part due to physiological changes that lower risk factors for cardiovascular disease, including reduced inflammation. However, the mechanism by which PA reduces inflammation is unclear.
Brecht, Mary-Lynn   +2 more
core   +3 more sources

The Effect of Population Pseudo-Rejuvenation in Adverse Changes in Living Conditions: A Case Study on the Highland Plant Species in the Ukrainian Carpathians

open access: yesEkológia (Bratislava), 2022
“Rejuvenation of population” is commonly considered as an increase in the proportion of young individuals in the population. In our opinion, the term “rejuvenation” has to be used in case of an increasing percentage of young individuals providing ...
Kyyak Volodymyr   +3 more
doaj   +1 more source

Demographic Dynamics and Population Projections in Iran: Analyzing Population Size and Age Structure up to 2040 Horizon [PDF]

open access: yesتداوم و تغییر اجتماعی
Background and aim: Understanding demographic characteristics, including the size and structure of a population, is foundational for strategic planning.
Mohammad Torkashvand Moradabadi   +1 more
doaj   +1 more source

Uncertainties in sampling procedures for age composition of hake and sardine in Iberian Atlantic waters

open access: yesScientia Marina, 2004
Estimates of the age composition of hake (demersal) and sardine (pelagic) in Iberian Atlantic waters in 1999 are analysed, paying specific attention to sampling variability.
Ernesto Jardim   +2 more
doaj   +1 more source

The Age Context of Performance Evaluation Decisions [PDF]

open access: yes, 1991
Organizational demography contends that demographic characteristics of individuals, examined at individual, dyadic, group, and organizational levels of analysis, exert significant effects on organizational processes. The purpose of this paper was to test
Chachere, J. Gregory   +3 more
core   +3 more sources

A Compositional and Dynamic Model for Face Aging [PDF]

open access: yesIEEE Transactions on Pattern Analysis and Machine Intelligence, 2010
In this paper, we present a compositional and dynamic model for face aging. The compositional model represents faces in each age group by a hierarchical And-Or graph, in which And nodes decompose a face into parts to describe details (e.g., hair, wrinkles, etc.) crucial for age perception and Or nodes represent large diversity of faces by alternative ...
Jin-Li Suo   +3 more
openaire   +2 more sources

Phylogenetic analysis of the relict species Dryopteris filix-mas (L.) Schott. by the chloroplast gene (rbcL) and features of modern ontogenesis on the Mangistau Peninsula, Kazakhstan [PDF]

open access: yesCaspian Journal of Environmental Sciences
The article presents the study results of the populations of the relict species Dryopteris filix-mas (L.) Schott on the territory of the Tyubkaragan Peninsula in the Mangistau region, Kazakhstan.
Akzhunis Imanbayeva   +6 more
doaj   +1 more source

Impact of migration, natural population change and age composition on the redistribution of the population in Sweden 1970 - 1996

open access: yesCybergeo, 2000
This study examines the population redistribution in Sweden at the municipality level between 1970 and 1996. The aims of this study are to analyse: (1) the importance of migration and geographical variations in fertility and mortality for the ...
Johan Håkansson
doaj   +1 more source

Age-related changes in blood biochemical composition of Hu sheep

open access: yesItalian Journal of Animal Science, 2022
The blood biochemical composition is indicative of the animal's performance and health status. This study evaluated the interaction between age and blood metabolites, immunoglobulins, hormones in Hu sheep. In total 30 male lambs between 1, 2, 3, 6 and 12 
Mahmoud M. Abdelsattar   +2 more
doaj   +1 more source

Influence of cement matrix composition on early age shrinkage properties [PDF]

open access: yesMATEC Web of Conferences, 2022
Early age shrinkage behaviour is an important factor in determining durability properties of cementitious composites. Shrinkage occurs in cement paste, but it can be tested in paste, mortar, and concrete. Differences in results obtained can be due to the
Didulica Katarina, Baričević Ana
doaj   +1 more source

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