Results 71 to 80 of about 967,777 (294)

Double crystal x-ray diffraction simulations of diffusion in semiconductor microstructures [PDF]

open access: yes, 1998
Diffusion in group IV, III-V and II-VI semiconductors is an interesting problem not only from a fundamental physics viewpoint but also in practical terms, since it could determine the useful lifetime of a device.
J. H. C. Hogg   +5 more
core   +1 more source

Meningovascular Inflammation in Cerebral Amyloid Angiopathy‐Related Cortical Superficial Siderosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT The role of inflammation in cortical superficial siderosis (cSS), a marker of cerebral amyloid angiopathy (CAA) linked to high hemorrhage risk, is unclear. We examined 15 patients with cSS using 3 T post‐contrast vessel wall MRI (VWI) and CSF analysis.
Philipp Arndt   +8 more
wiley   +1 more source

Least – Squares Method For Estimating Diffusion Coefficient

open access: yesInternational Journal of Industrial Engineering and Production Research, 2008
: Determination of the diffusion coefficient on the base of solution of a linear inverse problem of the parameter estimation using the Least-square method is presented in this research.
A. Neisy
doaj  

Total variation regularization of multi-material topology optimization [PDF]

open access: yes, 2018
This work is concerned with the determination of the diffusion coefficient from distributed data of the state. This problem is related to homogenization theory on the one hand and to regularization theory on the other hand.
Clason, Christian   +2 more
core   +2 more sources

Clustering Algorithm Reveals Dopamine‐Motor Mismatch in Cognitively Preserved Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore the relationship between dopaminergic denervation and motor impairment in two de novo Parkinson's disease (PD) cohorts. Methods n = 249 PD patients from Parkinson's Progression Markers Initiative (PPMI) and n = 84 from an external clinical cohort.
Rachele Malito   +14 more
wiley   +1 more source

LEAST – SQUARES METHOD FOR ESTIMATING DIFFUSION COEFFICIENT

open access: yesInternational Journal of Industrial Engineering and Production Research, 2007
Determining the diffusion coefficient based on the solution of the linear inverse problem of the parameter estimation by using the Least-square method is presented.
Abdolsadeh Neisy
doaj  

Wet and dry cup test with hygroscopic materials: what do we really measure?

open access: yesInterPore Journal
Wet and dry cup tests are widely used to characterize the vapor permeability (or the apparent vapor diffusion coefficient) of construction materials. From a theoretical approach, we examined the transport characteristics of such tests in detail.
Yuliang Zou   +3 more
doaj   +1 more source

Heavy quark momentum diffusion coefficient during hydrodynamization via effective kinetic theory [PDF]

open access: yesEPJ Web of Conferences
In these proceedings, we compute the heavy quark momentum diffusion coefficient using QCD effective kinetic theory for a plasma going through the bottom-up thermalization scenario until approximate hydrodynamization.
Boguslavski Kirill   +4 more
doaj   +1 more source

Quantum effect in the diffusion along a potential barrier: Comments on the synthesis of superheavy elements

open access: yes, 2004
We discuss a quantum effect in the diffusion process by developing a theory, which takes the finite curvature of the potential field into account. The transport coefficients of our theory satisfy the well-known fluctuation-dissipation theorem in the ...
A. O. Caldeira   +9 more
core   +1 more source

Diffusion Spectrum Imaging Maps Early Axonal Loss and a Unique Progressive Signal in Neuronal Intranuclear Inclusion Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To delineate specific in vivo white matter pathology in neuronal intranuclear inclusion disease (NIID) using diffusion spectrum imaging (DSI) and define its clinical relevance. Methods DSI was performed on 42 NIID patients and 38 matched controls.
Kaiyan Jiang   +10 more
wiley   +1 more source

Home - About - Disclaimer - Privacy