Results 21 to 30 of about 234,826 (288)

EFFECTS OF COVER BOARD AGE, SEASON, AND HABITAT ON THE OBSERVED ABUNDANCE OF EASTERN RED-BACKED SALAMANDERS (PLETHODON CINEREUS) [PDF]

open access: yes, 2014
Plethodontid salamanders are potentially good ecological indicator species in woodland habitats due to their abundance and sensitivity to changes in the environment.
Grasser, Cody N, Smith, Geoffrey R.
core   +2 more sources

Seasonal Variation in Plant Polyphenols and Related Bioactivities across Three Years in Ten Tree Species as Visualized by Mass Spectrometric Fingerprint Mapping

open access: yesMolecules, 2023
The currently changing climates and environments place plants under many types of stresses that affect both their survival and levels of chemical defenses.
Suvi Vanhakylä, Juha-Pekka Salminen
doaj   +1 more source

Epidemiologic survey of traumatic dental injuries in children seen at the Federal University of Rio de Janeiro, Brazil

open access: yesBrazilian Oral Research, 2010
This epidemiologic survey aimed at assessing the prevalence of traumatic dental injuries in children seen at the Federal University of Rio de Janeiro, Brazil. The records of a total of 111 children (aged 0 to 6 years) seen from 2004 to 2006 in the dental
Marina Alvine de Jesus   +4 more
doaj   +1 more source

Management of primary molars with irreversible pulpitis employing tampon pulpotomy: Report of three cases with 34‐month mean follow‐up

open access: yesClinical Case Reports, 2021
This study suggests that tampon‐based coronal pulpotomy using a calcium silicate–based biomaterial can be a reliable approach for the treatment of vital primary molars with irreversible pulpitis.
Saeed Asgary   +2 more
doaj   +1 more source

Impacted Deciduous Second Mandibular Molar Tooth [PDF]

open access: yesAl-Anbar Medical Journal, 2023
A 9-years-old boy presented to the Department of Oral and Maxillofacial Surgery with pain in the posterior region of the left mandible. The child was healthy with an unremarkable medical history. There was no family history of the same condition.
Tahrir Aldelaimi, Afrah Khalil
doaj   +1 more source

Interactions between carbon and nitrogen dynamics in estimating net primary productivity for potential vegetation in North America [PDF]

open access: yes, 1992
We use the terrestrial ecosystem model (TEM), a process-based model, to investigate how interactions between carbon (C) and nitrogen (N) dynamics affect predictions of net primary productivity (NPP) for potential vegetation in North America. Data on pool
Joyce, L. A.   +6 more
core   +2 more sources

Effect of the sodium hypochlorite and citric acid association on smear layer removal of primary molars Efeito da associação de hipoclorito de sódio e ácido cítrico na remoção de "smear layer" de molares decíduos

open access: yesBrazilian Oral Research, 2005
This study aimed to assess the capacity of a sodium hypochlorite and citric acid (CA) association (the latter at different concentrations) in removing coronal smear layer (SL) of primary teeth.
Gabriela da Rosa Götze   +3 more
doaj   +1 more source

Distribution of Terrestrial Isopods (Crustacea: Isopoda) Throughout Michigan: Early Results [PDF]

open access: yes, 2018
Results are reported from the first two years of a multi-year study on the distribution of terrestrial isopods (Crustacea: Isopoda) in Michigan. During the first year of the study (1997), intensive investigations were carried out us­ing pitfall traps in ...
Stoyenoff, Jennifer L
core   +3 more sources

Genome-Wide Identification of GAST Family Members and Their Potential Roles in Epicotyl Dormancy in Chinese Cork Oak (Quercus variabilis)

open access: yesPlants
Chinese cork oak (Quercus variabilis Blume) is a widespread tree species with high economic and ecological values. Chinese cork oak exhibits epicotyl dormancy, causing emergence heterogeneity and affecting the quality of seedling cultivation. Gibberellic
Yaochen Wang   +6 more
doaj   +1 more source

Functional Relationships Between Branch and Stem Wood Density for Temperate Tree Species in North America

open access: yesFrontiers in Forests and Global Change, 2020
Wood density is strongly related to key aspects of tree physiological performance. While many studies have examined wood density in different parts of trees, for a variety of reasons, there are very few studies that have compared within-tree density ...
David W. MacFarlane
doaj   +1 more source

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