Results 21 to 30 of about 12,802,787 (318)
The White Dwarf Distance to the Globular Cluster 47 Tucanae and its Age [PDF]
We present a new determination of the distance (and age) of the Galactic globular cluster 47 Tucanae (NGC 104) based on the fit of its white dwarf (WD) cooling sequence with the empirical fiducial sequence of local WD with known trigonometric parallax ...
A. Bragaglia +24 more
core +3 more sources
Every year, marine scientists around the world read thousands of otolith or scale images to determine the age structure of commercial fish stocks. This knowledge is important for fisheries and conservation management.
Dimitris V. Politikos +11 more
doaj +1 more source
Age-dependance of pteridines in the malaria vector, Anopheles stephensi
Determining the accurate age of malaria vectors is crucial to measure the risk of malaria transmission. A group of fluorescent chemicals derived from a pyrimidine-pyrazine ring structure known as pteridines from the head, thorax and whole body of adult ...
Edalat Hamideh +2 more
doaj +1 more source
The ecological and economic relevance of the European sardine (Sardina pilchardus) in the Adriatic area is well established. High exploitation rates and instability of environmental parameters could potentially impair the reproductive physiology of this ...
Giulia Chemello +5 more
doaj +1 more source
(Series Information) European Papers - A Journal on Law and Integration, 2018 3(3), 1493-1502 | European Forum Insight of 5 November 2018 | (Table of Contents) I. Introduction. - II.
Salvo Nicolosi
doaj +1 more source
Determination of Biological Age: Geriatric Assessment vs Biological Biomarkers
Biological age is the concept of using biophysiological measures to more accurately determine an individual’s age-related risk of adverse outcomes. Grading of the degree of frailty and measuring biomarkers are distinct methods of measuring biological age.
Lucas Diebel, K. Rockwood
semanticscholar +1 more source
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 +3 more
doaj +1 more source
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 +7 more
doaj +1 more source
Deuterium-burning in substellar objects [PDF]
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. +9 more
core +4 more sources
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 +5 more
doaj +1 more source

