Results 31 to 40 of about 13,772,771 (329)

Classroom Age Composition and Preschoolers’ School Readiness: The Implications of Classroom Quality and Teacher Qualifications

open access: yes, 2018
Recent research has shown that the age composition of preschool classrooms influences children’s early learning. Building on prior research, this study examines whether the association between classroom age composition and children’s learning and ...
Kelly M. Purtell, Arya Ansari
semanticscholar   +1 more source

Age composition of Chukchi sockeye salmon Oncorhynchus nerka

open access: yesИзвестия ТИНРО, 2014
Long-term data on age composition for Chukchi populations of sockeye salmon are presented. Spawners of 23 ages are recognized in the period 1970-2013 for 10 populations: 2+, 3+, 0.1+, 0.2+, 0.3+, 0.4+, 0.5+, 1.1+, 1.2+, 1.3+, 1.4+, 1.5+, 2.1+, 2.2+, 2.3+,
Elena V. Golub’
doaj   +1 more source

Age Composition In India

open access: yesIndian Journal of Applied Research, 2011
A. Pawar
openaire   +2 more sources

Age-related changes in gut microbiota composition from newborn to centenarian: a cross-sectional study

open access: yesBMC Microbiology, 2016
It has been reported that the composition of human gut microbiota changes with age; however, few studies have used molecular techniques to investigate the long-term, sequential changes in gut microbiota composition.
T. Odamaki   +7 more
semanticscholar   +1 more source

Accuracy of aging ducks in the U.S. Fish and Wildlife Service Waterfowl Parts Collection Survey

open access: yesWildlife Society Bulletin, 2014
The U.S. Fish and Wildlife Service conducts an annual Waterfowl Parts Collection Survey to estimate composition of harvested waterfowl by species, sex, and age (i.e., juv or ad). The survey relies on interpretation of duck wings by a group of experienced
Aaron T. Pearse   +5 more
doaj   +1 more source

Age Changes in Body Composition [PDF]

open access: yesPublic Health Reports (1896-1970), 1958
EVALUATION of age changes in the composition of the body is hampered by the inadequacy of current procedures for determining body composition. Although a number of techniques have been proposed, only a few of these have been validated by direct carcass analysis. Validation has been done only on experimental animals.
openaire   +2 more sources

Current state for stocks and fishery of saffron cod Eleginus gracilis (Tilesius, 1810) in the western Bering Sea

open access: yesИзвестия ТИНРО
State of stocks and fishery and some general features of biology are considered for saffron cod in the Bering Sea on results of bottom trawl surveys and commercial fishery statistics in 2000–2023. In 2023, the stock in the southwestern part of the sea is
O. V. Novikova, L. A. Chernoivanova
doaj   +1 more source

Features of the microelement composition of saliva in elderly patients

open access: yesЭндодонтия Today, 2023
Trace elements contained in human saliva, despite their small amount, perform a number of biological functions and are a reflection of the processes occurring in the body.
A. M. Imanov   +2 more
doaj   +1 more source

Gut microbiota markers in obese adolescent and adult patients: Age-dependent differential patterns [PDF]

open access: yes, 2018
Obesity levels, especially in children, have dramatically increased over the last few decades. Recently, several studies highlighted the involvement of gut microbiota in the pathophysiology of obesity. We investigated the composition of gut microbiota in
Alessandra Russo   +15 more
core   +2 more sources

Using the method of inverse growth calculations to determine the age composition of catches for certain species of marine commercial fish

open access: yesИзвестия ТИНРО
New method for constructing size-and-age keys is proposed and tested on the data on size composition of yellowfin sole in commercial catches in the Patience Bay in 1950–2024, with the age of fish determined using the inverse growth calculations ...
A. O. Zolotov
doaj   +1 more source

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