Results 11 to 20 of about 4,677,308 (291)

Phase Information and the Evolution of Cosmological Density Perturbations [PDF]

open access: yes, 1999
The Fourier transform of cosmological density perturbations can be represented in terms of amplitudes and phases for each Fourier mode. We investigate the phase evolution of these modes using a mixture of analytical and numerical techniques.
Chiang, Lung-Yih, Coles, Peter
core   +2 more sources

3D bi-directional transformer U-Net for medical image segmentation

open access: yesFrontiers in Big Data, 2023
As one of the popular deep learning methods, deep convolutional neural networks (DCNNs) have been widely adopted in segmentation tasks and have received positive feedback.
Xiyao Fu   +9 more
doaj   +1 more source

Parameter switching in a generalized Duffing system: Finding the stable attractors [PDF]

open access: yes, 2013
This paper presents a simple periodic parameter-switching method which can find any stable limit cycle that can be numerically approximated in a generalized Duffing system. In this method, the initial value problem of the system is numerically integrated
Danca, Marius-F., Lung, Nicolae
core   +2 more sources

Characteristics of CD56-positive cells in guinea pig lung in the dynamics of experimental allergic inflammation

open access: yesZaporožskij Medicinskij Žurnal, 2022
The aim of this work is to study morphometric characteristics and distribution of CD56-positive cells in guinea pig lung in the dynamics of experimental allergic inflammation. Materials and methods. We studied the distribution and quantitative changes
S. S. Popko   +2 more
doaj   +1 more source

Critical behavior and the limit distribution for long-range oriented percolation. II: Spatial correlation [PDF]

open access: yes, 2008
We prove that the Fourier transform of the properly-scaled normalized two-point function for sufficiently spread-out long-range oriented percolation with index \alpha>0 converges to e^{-C|k|^{\alpha\wedge2}} for some C\in(0,\infty) above the upper ...
Chen, Lung-Chi, Sakai, Akira
core   +2 more sources

Legionella pneumophila infection activates bystander cells differentially by bacterial and host cell vesicles

open access: yesScientific Reports, 2017
Extracellular vesicles from eukaryotic cells and outer membrane vesicles (OMVs) released from gram-negative bacteria have been described as mediators of pathogen-host interaction and intercellular communication. Legionella pneumophila (L. pneumophila) is
Anna Lena Jung   +8 more
doaj   +1 more source

Chronic ingestion of alcohol modulates expression of ubiquitin editing enzyme A20 in lung macrophages

open access: yesMultidisciplinary Respiratory Medicine, 2011
Background Alcohol abuse is involved in the pathogenesis of multiple organ disorders; the underlying mechanism is incompletely understood. The ubiquitin editing enzyme A20 is involved in regulating activities in the cell.
Huang Quan-Yong   +2 more
doaj   +1 more source

Non-linearity and Non-Gaussianity through Phase Information [PDF]

open access: yes, 2000
In the standard picture of structure formation, initially random-phase fluctuations are amplified by non-linear gravitational instability to produce a final distribution of mass which is highly non-Gaussian and has highly coupled Fourier phases.
Chiang, Lung-Yih, Coles, Peter
core   +3 more sources

Organ donation and transplantation in the Russian Federation in 2019. 12th report from the Registry of the Russian Transplant Society

open access: yesВестник трансплантологии и искусственных органов, 2020
Objective: to monitor current trends and developments in organ donation and transplantation in the Russian Federation based on the 2019 data. Materials and methods. Heads of organ transplant centers were surveyed.
S. V. Gautier, S. M. Khomyakov
doaj   +1 more source

Myeloma multiplex with pulmonary dissemination [PDF]

open access: yesVojnosanitetski Pregled, 2014
Introduction. Multiple myeloma is a hemathological malignancy characterized by the clonal proliferation of plasma cells in the bone the marrow. Extramedullary dissemination of multiple myeloma is uncommon.
Terzić Brankica   +9 more
doaj   +1 more source

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