Results 11 to 20 of about 8,183 (128)

Review of the tetrapod skull-neck boundary: implications for the evolution of the atlas-axis complex. [PDF]

open access: yesBiol Rev Camb Philos Soc
ABSTRACT This review describes variation in modern and fossil occiput–atlas–axis complex anatomy of total group Tetrapoda with the aim of documenting the range of structural variation throughout their evolutionary history to establish grounds for comparison of the complex between tetrapod clades.
Korneisel DE, Maddin HC.
europepmc   +2 more sources

Surface-Engineered Cenospheres Encapsulating Phase Change Materials for Functional Cementitious Composites. [PDF]

open access: yesAdv Sci (Weinh)
The global energy demand drives the need for advanced energy‐efficient building solutions. While current polymeric‐shell microencapsulated PCMs show promise for thermal energy storage, their use in cementitious materials is challenged by poor shell strength and interfacial bonding. This study develops novel cement‐compatible microencapsulated PCM using
Rahemipoor S   +7 more
europepmc   +2 more sources

Building a robust backbone for Astragalus using a clade-specific target enrichment bait set. [PDF]

open access: yesAm J Bot
Abstract Premise With over 3100 species, Astragalus L. (Fabaceae) has long fascinated botanists as the largest genus of flowering plants. With an origin in the Middle Miocene, Astragalus has one of the highest diversification rates known in flowering plants.
Buono D   +4 more
europepmc   +2 more sources

Experience of using vascularized bone grafts to treat nonunion fractures and limb bone defects

open access: yesТрансплантология (Москва), 2019
Background. Vascular bone graft transposition is the one of most effective method of nonunion fracture and bone defect treatment. However, the use of this technique is associated with some difficulties. One is the adjustment of recipient bed size and the
A. V. Nevedrov   +9 more
doaj   +1 more source

Band Structure of Photonic Crystals Fabricated by Two-Photon Polymerization

open access: yesCrystals, 2015
We study theoretically the band-gap structures of several types of three-dimensional photonic crystals with the fcc lattice symmetry: synthetic opals, inverted yablonovite and woodpile.
Mikhail V. Rybin   +7 more
doaj   +1 more source

Electrically neutral Dirac particles in the presence of external fields: exact solutions

open access: yes, 1993
In the present article we present exact solutions of the Dirac equation for electric neutral particles with anomalous electric and magnetic moments.
German V. Shishkin   +8 more
core   +1 more source

Polarization reversal and jump-like domain wall motion in stoichiometric LiTaO 3 produced by vapor transport equilibration [PDF]

open access: yes, 2012
The polarization reversal and domain structure evolution has been studied in stoichiometric lithium tantalate prepared by vapor transport equilibration process.
Akhmatkhanov, A. R.   +4 more
core   +1 more source

Moral Paradoxes of the Age of Turbulence

open access: yesКонцепт: философия, религия, культура
MGIMO University annually hosts an international conference held in the memory of Professor A. F. Shishkin, a distinguished soviet ethicist and the founder of the Department of Philosophy of the university. The latest 29th Shishkin Readings took place in
M. V. Silantieva, V. S. Glagolev
doaj   +1 more source

History and Morality: 21 Shishkin Readings

open access: yesVestnik MGIMO-Universiteta, 2016
23d December 2016 the Department of Philosophy of MGIMO-University conducted annual XXI Shishkin Readings in memory of famous Russian philosopher A. F. Shishkin, the founder of the Department of Philosophy in MGIMO.
Svetlana M. Medvedeva
doaj   +2 more sources

Overview of the Baikal-GVD neutrino telescope: 2024 status [PDF]

open access: yesEPJ Web of Conferences
A review of the Baikal-GVD neutrino telescope status after the winter 2024 deployment campaign that results in 4 104 opticalmodules installed on 114 vertical strings is presented. The results of analysis of Baikal-GVD data collected in 2018-2023 show the
Allakhverdyan V. A.   +64 more
doaj   +1 more source

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