Results 21 to 30 of about 84,533 (300)
Background: Cone-beam computed tomography (CBCT) has gained considerable use, while radiation burden remains an important concern. Aims: This study aimed at determining the entrance skin dose of the thyroid gland area through exposure with the normal ...
Bardia Vadiati Saberi +5 more
doaj +1 more source
Delocalized nonlinear vibrational modes and their effect on the properties of binary NiTi alloy [PDF]
The purpose of this work is to investigate the behavior of stable one-component delocalized nonlinear vibrational modes in simple cubic titanium and nickel sublattices, as well as their influence on the properties of the binary NiTi alloy. Methods.
Bachurin , Dmitry Vladimirovich +1 more
doaj +1 more source
Blade crack will cause severe mistuning of hard-coated blisks, which will lead to vibration localization. To identify crack mistuning and analyze influence factors, in this study, a mistuning identification method of blade cracks in hard-coated blisks is
Kunpeng Xu +3 more
doaj +1 more source
The Modular Circuitry of Apicomplexan Cell Division Plasticity
The close-knit group of apicomplexan parasites displays a wide variety of cell division modes, which differ between parasites as well as between different life stages within a single parasite species. The beginning and endpoint of the asexual replication
Marc-Jan Gubbels +4 more
doaj +1 more source
The acoustics of curved and lined cylindrical ducts with mean flow
This thesis considers linear perturbations to the steady flow of a compressible inviscid perfect gas along a cylindrical or annular duct. Particular consideration is given to the model of the duct boundary, and to the effect of curvature of the duct ...
core +1 more source
Nanocomposite oxide and nitride hard coatings produced by pulse magnetron sputtering
S.760-764In this work, the composition and the microstructure of two-phase hard coatings have been varied by reactive pulsed co-sputtering of two target materials to produce nanocomposite structures.
Klostermann, H. +4 more
core +1 more source
Enhanced photoluminescence extraction efficiency from a diamond photonic crystal via leaky modes [PDF]
Two-dimensional photonic crystal can be exploited as the top part of a light source in order to increase its extraction efficiency. Here, we report on the room-temperature intrinsic photoluminescence (PL) behavior of a nanocrystalline diamond (NCD) layer
Ondič, L. +26 more
core +1 more source
Hard excitation mode of a system with optomechanical instability
Systems with strong photon–phonon interaction and optomechanical instability are perspective for the generation of coherent phonons and photons. We predict the existence of a hard mode of excitation in such systems when a jump-like increase in the photon intensity takes place at the generation threshold.
Mukhamedyanov, Artem +2 more
openaire +3 more sources
BroadBand-Adaptive VMD with Flattest Response
A mixed signal with several unknown modes is common in the industry and is hard to decompose. Variational Mode Decomposition (VMD) was proposed to decompose a signal into several amplitude-modulated modes in 2014, which overcame the limitations of ...
Xizhong Shen, Ran Li
doaj +1 more source
Background. Piezoelectric materials are promising for use in sensors, for monitoring dynamic processes as primary information converters of measuring and control systems.
А.E. Zhurina +3 more
doaj +1 more source

