Results 21 to 30 of about 2,478,269 (352)

Deuterium-burning in substellar objects [PDF]

, 2000
We consider the depletion of primordial deuterium in the interior of substellar objects as a function of mass, age and absolute magnitude in several photometric passbands.
Baraffe I., Baraffe I., Basri G., Chabrier G., F. Allard, G. Chabrier, I. Baraffe, P. Hauschildt, Salpeter E. E., Schatzman E.   +9 more
core   +4 more sources

The Using of Skeletochronology as a Screening Method for Age Determination of Alpine Newts (Mesotriton Alpestris): a Technical Report

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2015
Skeletochronology is a widely used method for age determination in amphibians. This method is based mainly on the histological examination of the finger bones.
Peter Makovický, Oldřich Kopecký, Pavol Makovický, Radek Matlach   +3 more
doaj   +1 more source

Age and growth of pompano, Trachinotus ovatus, from the Strait of Messina (central Mediterranean Sea)

Scientia Marina, 2021
This is the first paper to provide detailed information on the age and growth of Trachinotus ovatus. The size of the 244 individuals collected in the Strait of Messina ranged from 2.7 to 30.4 cm in fork length (LF) and 0.31 to 508.6 g in body mass (M ...
Danilo Malara, Francesco Longo, Luca Pagano, Maria Giulia Stipa, Teresa Romeo, Franco Andaloro, Silvestro Greco, Pietro Battaglia   +7 more
doaj   +1 more source

Differences between the sagitta, lapillus and vertebra in estimating age and growth in juvenile Mediterranean dolphinfish (Coryphaena hippurus)

Scientia Marina, 1999
The otoliths (sagittae and lapilli) and the vertebral centra were evaluated as ageing structures in dolphinfish age 0 juveniles (17.2–72 cm FL) caught in the seasonal small-scale fisheries of Majorca and Sicily (western and central Mediterranean ...
Beatriz Morales-Nin, Mirella Di Stefano, Antonio Potoschi, Enric Massutí, Pietro Rizzo, Salvatore Gancitano   +5 more
doaj   +1 more source

Logistic Regression Model for Determination of the Age of Brown Hare (Lepus europaeus Pall.) Based on Body Weight

Animals, 2022
We developed an algorithm to classify brown hares into two age classes, juveniles (up to 1 year old) and adults (over 1 year old), based on body weight, which can be determined by both the examination of live animals and postmortem analysis.
Marian Flis, Piotr Czyżowski, Sławomir Beeger, Bogusław Rataj, Mirosław Karpiński   +4 more
doaj   +1 more source

Effect of Pregnancy on Bone Age

Ahi Evran Medical Journal, 2023
Purpose: Age estimation for forensic purposes has an important place among daily Forensic Medicine services. Although many factors affect skeletal development, hormonal factors are among the most influencing factors.
Kenan KAYA, Toygün Anıl ÖZESEN
doaj   +1 more source

Dental Ages of Children with Attention Deficit Hyperactivity Disorder versus Healthy Children Measured using Different Dental Age Estimation Methods: A Retrospective Observational Study [PDF]

Journal of Clinical and Diagnostic Research
Introduction: Attention Deficit Hyperactivity Disorder (ADHD) is a neurobehavioural disorder that is common in childhood and can lead to serious impairment in quality of life if, not treated.
Melek Belevcikli, Deniz Sila Özdemir Çelik   +1 more
doaj   +1 more source

Establishing Age-Based Color Changes for the American Burying Beetle, Nicrophorus americanus Olivier, with Implications for Conservation Efforts

Insects, 2023
The American burying beetle, Nicrophorus americanus Olivier, is a federally protected insect that once occupied most of eastern North America. Adult beetles feature distinct, recognizable markings on the pronotum and elytra, and color changes with age ...
Robert Shane McMurry, Michael C. Cavallaro, Andrine Shufran, William Wyatt Hoback   +3 more
doaj   +1 more source

Age determination of the HR8799 planetary system using asteroseismology

, 2010
Discovery of the first planetary system by direct imaging around HR8799 has made the age determination of the host star a very important task. This determination is the key to derive accurate masses of the planets and to study the dynamical stability of ...
A. García Hernández, A. Moya, B. Montesinos, Bayo, Casas, Casas, Chen, Claret, D. Barrado, Dupret, F. Aceituno, Gray, Grevesse, Grigahcène, Guzik, Kaye, Lebreton, M. Aberasturi, Marois, Miglio, Morel, Moya, Moya, Moya, Moya, Moya, Moya, Moór, P. J. Amado, Paunzen, Pont, Reidemeister, Rhee, Rodríguez, Rodríguez, Schuster, Smeyers, Soderblom, Song, Su, Suárez, Turcotte, Van Leeuwen, Zerbi, Zuckerman   +44 more
core   +1 more source

Bomb dating, age validation and quality control of age determinations of monodontids and other marine mammals

NAMMCO Scientific Publications, 2014
Methods for confirming the accuracy of age determination methods are reasonably well established in fishes, but the millions of routine age determinations which take place every year require their own quality control protocols.
Steven E Campana, Robert EA Stewart
doaj   +1 more source