Results 101 to 110 of about 1,674,789 (293)

Double teeth [PDF]

open access: yesBritish Dental Journal, 2007
P. Méndez, L. Junquera, L. Gallego
openaire   +1 more source

Oldest well‐preserved euprimate petrosal, from the early Eocene of India (Vastan Lignite Mine, Gujarat)

open access: yesThe Anatomical Record, EarlyView.
Abstract An exquisitely preserved, isolated partial petrosal with associated fragmentary stapes is described from the Vastan Lignite Mine (Gujarat, India), dated to the early Eocene (~54.5 Ma). Several anatomical traits (e.g., large petrosal plate; posterolateral entry of the internal carotid artery to the tympanic cavity; bony tubes surrounding the ...
Mary T. Silcox   +8 more
wiley   +1 more source

Study on Contact Between Double Metal Composite and Pipe Power Slip for Offshore Well

open access: yesPolish Maritime Research, 2017
The whole process of clamping offshore well double metal composite pipe was established, Reviewing the problems that in the oil and gas wells the double metal composite pipes frequently get plastic damage or even fracture failure when the power slips ...
Yu Wang   +3 more
doaj   +1 more source

Britain Had Talent: A History of Variety Theatre

open access: yes, 2012
In the first major academic work to examine British variety theatre, Double provides a detailed history of this art form and analyses its performance dynamics and techniques. Encompassing singers, comedians, dancers, magicians, ventriloquists and diverse
Double, Oliver
core  

Biomineralisation processes in the radula teeth of the chiton Acanthopleura hirtosa (Mollusca: Polyplacophora) [PDF]

open access: yes, 2007
A detailed row by row investigation of major lateral tooth cusp mineralisation, together with the concomitant development of the superior epithelial tissue surrounding the teeth of the chiton Acanthopleura hirtosa has been undertaken using a combination ...
Shaw, Jeremy
core  

Postcranial anatomy and osteohistology of an early prozostrodont cynodont from the Upper Triassic of Brazil

open access: yesThe Anatomical Record, EarlyView.
Abstract Prozostrodon brasiliensis, a probainognathian cynodont of the clade Prozostrodontia, is recognized as a key taxon for understanding the origin of Mammaliaformes and mammals. Despite detailed investigations of its cranial anatomy, the postcranial skeleton has received comparatively less attention.
Iasmim M. Michelotti   +4 more
wiley   +1 more source

Gut Health in Ostriches (Struthio camelus): Insights Into Intestinal Structure, Functions, Microbiome, and Improvement Strategies

open access: yesAnimal Research and One Health, EarlyView.
Our paper systematically reviews the intestinal structure, function, and microbiota of ostriches, along with strategies for improving their gut health. We analyze how these factors collectively influence intestinal homeostasis and ostrich welfare, emphasizing probiotics as a promising intervention to enhance gut health, boost population well‐being, and
Zi‐Qun Zhang   +6 more
wiley   +1 more source

基于ANSYS的新型人字齿同步带受力分析

open access: yesJixie chuandong, 2012
Double helical synchronous belt drives is a new breakthrough in the structure,which has both straight tooth belt and helical tooth belt’s advantages.We establish a pair of double helical synchronous belt and pulley completely meshing three-dimensional ...
郭建华, 郑娜, 姜洪源, 敖宏瑞
doaj  

Finite element modelling and load share analysis for involute worm gears with localised tooth contact [PDF]

open access: yes, 2001
A new approach has been developed by the authors to estimate the load share of worm gear drives, and to calculate the instantaneous tooth meshing stiffness and loaded transmission errors. In the approach, the finite element (FE) modelling is based on the
Gentle, CR, Su, D, Yang, F
core  

Clock Genes Regulate Ca2+ Signaling and Mitochondrial Bioenergetics to Inhibit Sjögren Disease

open access: yesArthritis &Rheumatology, EarlyView.
Objective Although Ca2+ signaling and metabolism have been identified as key determinants for the development of Sjögren disease (SjD), the intricate connection between them and salivary gland physiology remains poorly understood. Methods Fluorescence‐based Ca2+ imaging, RNA sequencing, and mitochondrial activity were used to investigate the effects of
Viktor R. Drel   +12 more
wiley   +1 more source

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