Results 201 to 210 of about 73,947 (261)
Visible-ultraviolet dual-band photodetectors based on an all-inorganic CsPbCl3/p-GaN heterostructure. [PDF]
Nanoscale AdvYe B +9 more
europepmc +1 more source
The Anatomical Record, EarlyView.Phylogenetic limitations seem more decisive than life habit in the diversity of reptile skin micro‐ornamentation. The ancestral form possibly had polygonal cells with regular borders, smooth surface and had no ridges. Cell morphology change gradually on a single scale, especially widths at scale base are greater than those at middle.
Melodi Yenmiş
wiley +1 more source
Three‐dimensional digital analysis of musteloid masticatory muscle architecture
The Anatomical Record, EarlyView.Musteloids span an enormous breadth of dietary modes within a single superfamily. In this study, we utilize digital dissection techniques to reconstruct the internal 3D anatomy of muscles within the musteloid feeding apparatus, and explore how dietary specializations might alter the size, orientation, and curvature of fascicles therein.
Cassidy E. Davis +6 more
wiley +1 more source
Scaling and ecomorphology of lagomorph body shape and appendicular skeleton
The Anatomical Record, EarlyView.Abstract Body shape is one of the most prominent features of phenotypic variation. Yet, mammalian body shapes are poorly quantified and the underlying components contributing to its diversity and its relationship to other skeletal components are rarely tested.
Nia Brice, Coby Huizenga, Chris J. Law
wiley +1 more source
Human evolution and the obstetrical dilemma: The pelvic floor hypothesis
The Anatomical Record, EarlyView.Abstract Human childbirth is mechanically difficult because a large‐headed, broad‐shouldered fetus must pass through a comparatively narrow, twisted bony birth canal. Traditional explanations of this “obstetrical dilemma” emphasize the role of bipedal locomotion in inhibiting the evolution of a wider, more spacious pelvis.
Barbara Fischer, Ekaterina Stansfield
wiley +1 more source
Fascicle measurement methods do result in lengths that are significantly different
The Anatomical Record, EarlyView.A recent comparison of the most prevalent methods for measuring fascicles, in situ measurement versus chemical digestion, concluded that the measurements are indistinguishable based on data from different conspecific individuals. However, our study of contralateral muscles of the same individuals shows that the methods clearly result in statistically ...
Katherine M. Clark +5 more
wiley +1 more source
Incremental refinement of relevance rankings: Balancing relevance depth and scope
Journal of the Association for Information Science and Technology, EarlyView.Abstract Delivering both relevant and topically diverse results is a key challenge in information retrieval (IR). This study introduces a hybrid method that incrementally refines rankings by combining probabilistic topic modeling (latent dirichlet allocation [LDA]) with citation‐based pennant retrieval grounded in Relevance Theory (RT), optimizing for ...
Müge Akbulut, Yaşar Tonta
wiley +1 more source
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The influence of lightly doped p-GaN cap layer on p-GaN/AlGaN/GaN HEMT
Semiconductor Science and Technology, 2022Abstract In this paper, the influence of a lightly doped p-GaN (p−-GaN) cap layer on p-GaN/AlGaN/GaN high electron mobility transistors (HEMTs) (LDP-HEMTs) was investigated. No difference in output or off-state breakdown characteristics was observed, but there was a negative shift in threshold voltage (V TH).
Kai Liu +10 more
openaire +1 more source
Reverse blocking p-GaN gate AlGaN/GaN HEMTs with hybrid p-GaN ohmic drain
Superlattices and Microstructures, 2021Abstract A normally-off reverse blocking high electron mobility transistor (HEMT) with p-GaN gate and hybrid p-GaN ohmic drain (p-GaN RB-HEMT) has been fabricated and investigated to achieve reverse blocking capability. Compared with conventional p-GaN gate HEMT with ohmic drain (p-GaN HEMT), the proposed device features that a p-GaN layer is ...
Haiyong Wang +9 more
openaire +1 more source
P-GaN∕ZnO nanorod heterojunction LEDs—effect of carrier concentration in p-GaN
AIP Conference Proceedings, 2011We studied the effect of carrier concentration in p‐GaN substrate on the performance of p‐GaN/n‐ZnO nanorod heterojunction LEDs. ZnO nanorods were electrodeposited on commercial p‐GaN wafers in a two electrode system from aqueous solutions of zinc nitrate and hexamethylenetetramine.
A. M. C. Ng +7 more
openaire +2 more sources