نتایج جستجو برای: demography of ageing
تعداد نتایج: 21168220 فیلتر نتایج به سال:
this study was conducted in order to evaluate the effects of long term ageing on toughness andresilient modulus of asphalt concrete mixtures containing electric arc and basic oxygen furnacesteel slags. after initial evaluation of the properties of steel slags using x-ray diffraction andscanning electric microscope, eleven sets of laboratory mixtures were prepared. each set wastreated replacing ...
background: according to previous studies, most of the speech recognition disorders in older adults are the results of deficits in audibility and auditory temporal resolution. in this paper, the effect of ageing on timecompressed speech and auditory temporal resolution by word recognition in continuous and interrupted noise was studied. methods: a time-compressed speech test (tcst) was conducte...
Murdock and Swanson (2008) observe that applied demography is evolving as the 21st century unfolds and that data bases, substantive issues and methodological approaches seldom considered just a few years ago have become mainstream concerns in the field. Making up applied demography are two subsets: (1) public sector demography; and (2) business demography. Swanson and Pol (2008) argue that alth...
African annual fishes from the genus Nothobranchius are small teleosts that inhabit temporary water bodies subject to annual desiccation due to the alternation of the monsoon seasons. Given their unique biology, these fish have emerged as a model taxon in several biological disciplines. Their increasing popularity stems from the extremely short lifespan that is the result of their specific life...
The Demography of the Académie des sciences (Institut de France), 1666-2017, with Projections During three centuries and half her existence, Institut France has counted more than thousand members, but less one third were “full members”. Creating a large variety statuses probably been specificity this academy, to increase global efficacy institution without increasing too much number full Member...
BACKGROUNDS AND AIMS Shoot demography affects the growth of the tree crown and the number of leaves on a tree. Masting may cause inter-annual and spatial variation in shoot demography of mature trees, which may in turn affect the resource budget of the tree. The aim of this study was to evaluate the effect of masting on the temporal and spatial variations in shoot demography of mature Betula gr...
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