Results 121 to 130 of about 215,710 (307)
Abstract Walruses have been an important subsistence and cultural resource for humans and have been exploited for millennia across their distribution. This exploitation has contributed to severe declines in several populations and local extirpations.
Katrien Dierickx +6 more
wiley +1 more source
Potential Antimicrobial Methods for Provisionalizing Teeth After Endodontic Treatment [PDF]
POTENTIAL ANTIMICROBIAL METHODS FOR PROVISIONALIZING TEETH AFTER ENDODONTIC TREATMENT By Laura T. Garden, DDS A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Dentistry at Virginia Commonwealth ...
Garden, Laura T
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Early Pliocene Varanus (Squamata, Varanidae) remains from Megalo Emvolon, Thessaloniki, Greece
The article describes new cranial and postcranial varanid material from Megalo Emvolon Lower Pliocene vertebrate fossil site near Thessaloniki. The fossils, likely representing a single individual, are referred to Varanus cf. marathonensis. Abstract This study describes new fossil varanid material from a recently discovered fossil spot (MVL site) at ...
Chara Drakopoulou +3 more
wiley +1 more source
Modification of Differential Gear based on Multi-objective Optimization
In order to reduce vibration and noise, the modification of the tooth profile of the planetary gear and the eccentric helix are studied. The influence of tooth profile modification,helix modification, helix modification factorⅠand helix modification ...
Qiqi Feng +5 more
doaj
Abstract The Pleistocene is a key period for understanding the evolutionary history and palaeobiogeography of the European rabbit (Oryctolagus cuniculus). The species was first documented in southeastern Iberia at the beginning of the Middle Pleistocene and appears to have rapidly spread throughout Southwestern Europe, where it was found in numerous ...
Maxime Pelletier
wiley +1 more source
Managing defects caused by pathological root resorption in permanent teeth can be challenging. If not diagnosed and treated efficiently, progressive root resorption can result in the loss of a tooth.
Manisha Deepanjan +3 more
doaj +1 more source
Synergistic Functions Of Gli2 And Gli3 In Tooth Root Morphogenesis.
Aim or purpose: Hedgehog signaling pathway has been implicated as a pivotal transduction center in orchestrating tooth morphogenesis. Gli2 and Gli3, downstream transcriptional factors of Hedgehog signaling, exhibit synergistic functions in directing ...
Tao Zhou, Junjun Jing, Xianglong Han
doaj +1 more source
Sharks, bony fishes and endodental borings from the Miocene Montpelier Formation (White Limestone Group) of Jamaica [PDF]
Bulk samples of Miocene carbonate sediments (deep-water chalks and shallow-water-derived calcarenites) from the Montpelier Formation (White Limestone Group) in Duncans Quarry, Jamaica, have yielded a small, but diverse, fauna of disassociated fish ...
Mitchell, S.F., Underwood, Charlie J.
core
A new musculoskeletal reconstruction and revision of the cranio‐mandibular anatomy of the Devonian arthrodire placoderm Dunkleosteus terrelli from a comparative and functional anatomical perspective. Dunkleosteus is a specialized arthrodire with many specializations for feeding on large vertebrates, and many of its features are part of broader ...
Russell K. Engelman +4 more
wiley +1 more source
With the continuous development of engineering technology, bending fatiguestrength has become an important limiting factor for the further development of gears, and bending fatigue failure is more dangerous than tooth surface failure.
Wang Zhen +4 more
doaj

