Results 21 to 30 of about 13,772,771 (329)
Children of Immigrants: The Changing Face of Metropolitan America [PDF]
Examines trends in the populations of immigrants and children of immigrants in the hundred largest metropolitan areas, including growth in numbers and as a share of the overall population, racial/ethnic composition, age, and variations among metro ...
Ajay Chaudry, Karina Fortuny
core +1 more source
There are two approaches to estimating age composition from a large number of length observations and a limited number of age determinations: the forward and the inverse age-length keys.
L. Ailloud, J. Hoenig
semanticscholar +1 more source
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
Common ash (Fraxinus excelsior L.) in Ukrainian forests and its successful natural regeneration
The natural distribution area of common ash (Fraxinus excelsior L.) in the forests of Europe and Ukraine has been determined through the analysis of scientific works of Ukrainian and foreign researchers.
Tkach Viktor +6 more
doaj +1 more source
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]
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
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
Influence of cement matrix composition on early age shrinkage properties [PDF]
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
Body fatness or anthropometry for assessment of unhealthy weight status? Comparison between methods in South African children and adolescents [PDF]
A variety of methods are available for defining undernutrition (thinness/underweight/under-fat) and overnutrition (overweight/obesity/over-fat). The extent to which these definitions agree is unclear.
Armstrong +6 more
core +1 more source
Age-related changes in blood biochemical composition of Hu sheep
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
The Impact of Maternal Age on Human Milk Composition
Human milk provides both nutritional and non-nutritional benefits to infants and can meet an infant’s nutritional needs for the first six months of life.
Li Xuejing, Krongporn Ongprasert
doaj +1 more source

