Results 41 to 50 of about 391,141 (265)

Predicting the status of lymphovascular space invasion using quantitative parameters from synthetic MRI in cervical squamous cell carcinoma without lymphatic metastasis

open access: yesFrontiers in Oncology
PurposeTo investigate the value of quantitative longitudinal relaxation time (T1), transverse relaxation time (T2), and proton density (PD) maps derived from synthetic magnetic resonance imaging (MRI) for evaluating the status of lymphovascular space ...
Limei Guo   +7 more
doaj   +1 more source

Selected Aspects of Computer Modeling of Reinforced Concrete Structures

open access: yesArchives of Civil Engineering, 2016
The paper presents some important aspects concerning material constants of concrete and stages of modeling of reinforced concrete structures. The problems taken into account are: a choice of proper material model for concrete, establishing of compressive
Szczecina M., Winnicki A.
doaj   +1 more source

Atomic dynamics of alumina melt: A molecular dynamics simulation study

open access: yesCondensed Matter Physics, 2008
The atomic dynamics of Al2O3 melt are studied by molecular dynamics simulation. The particle interactions are described by an advanced ionic interaction model that includes polarization effects and ionic shape deformations.
S.Jahn, P.A.Madden
doaj   +1 more source

Internal Friction in the Ferroelectric – Ferromagnetic Composites

open access: yesArchives of Metallurgy and Materials, 2013
W pracy wyznaczano temperaturowe Q-1(T) i amplitudowe Q-1(e) zależności tarcia wewnętrznego dla ferroelektrycz.no - ferromagnetycznych kompozytów powstałych na bazie PZT i ferrytu.
Zachariasz R.   +3 more
doaj   +1 more source

Weighted relaxation for multigrid reduction in time

open access: yesNumerical Linear Algebra with Applications, 2022
AbstractCurrent trends in computer architectures now mean that faster computation speed must come primarily from increased concurrency, not faster clock speeds, which are stagnating. Thus, this situation creates bottlenecks for serial algorithms, including the well‐known bottleneck for sequential time‐integration, where each individual time‐value (i.e.,
Masumi Sugiyama   +3 more
openaire   +2 more sources

T2* Magnetic Resonance Imaging Uncovers Hemosiderin Burden in Pediatric Hemophilia: A Call for Sensitive Imaging Biomarkers

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Hemophilic arthropathy remains the leading morbidity in hemophilia despite modern prophylaxis, and early joint damage may be missed by routine exams. This study explored T2* MRI as a noninvasive biomarker of hemosiderin deposition in pediatric hemophilia.
Jessica Garcia   +6 more
wiley   +1 more source

relaxation time

open access: yes, 2014
Citation: 'relaxation time' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.R05287 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +2 more sources

Development and Implementation of a Disease‐Targeted Storybook as a Clinical Tool for Children With Acute Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Although significant progress has been made in childhood leukemia survival, healthcare providers, and caregivers often face challenges in explaining this disease to patients. Disease‐targeted storybooks have been proposed as a tool to facilitate the understanding of diagnoses and treatment.
Nutvipha Ummartyotin   +6 more
wiley   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Influence of Network Topology on the Viscoelastic Properties of Dynamically Crosslinked Hydrogels

open access: yesFrontiers in Chemistry, 2020
Biological materials combine stress relaxation and self-healing with non-linear stress-strain responses. These characteristic features are a direct result of hierarchical self-assembly, which often results in fiber-like architectures.
Emilia M. Grad   +9 more
doaj   +1 more source

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