Results 11 to 20 of about 252,160 (293)

Precise pointing knowledge for SCIAMACHY solar occultation measurements [PDF]

open access: yesAtmospheric Measurement Techniques, 2012
We present a method to precisely determine the viewing direction for solar occultation instruments from scans over the solar disk. Basic idea is the fit of the maximum intensity during the scan, which corresponds to the center of the solar disk in the ...
K. Bramstedt   +4 more
doaj   +1 more source

Application of tangent-arc technology for deep inspiration breath-hold radiotherapy in left-sided breast cancer

open access: yesFrontiers in Oncology, 2023
ObjectiveTo explore the advantages of dosimetry and the treatment efficiency of tangent-arc technology in deep inspiration breath-hold radiotherapy for breast cancer.MethodsForty patients with left-sided breast cancer who were treated in our hospital ...
Yucheng Li   +11 more
doaj   +1 more source

Neural Tangent Kernel Maximum Mean Discrepancy

open access: yes, 2021
We present a novel neural network Maximum Mean Discrepancy (MMD) statistic by identifying a new connection between neural tangent kernel (NTK) and MMD. This connection enables us to develop a computationally efficient and memory-efficient approach to compute the MMD statistic and perform NTK based two-sample tests towards addressing the long-standing ...
Cheng, Xiuyuan, Xie, Yao
openaire   +2 more sources

Is there difference and correlation between medial and lateral tibial plateau coronal obliquity in native knee? A radiographic study

open access: yesJournal of Orthopaedics, Trauma and Rehabilitation, 2021
Background/Purpose Knee joint line is commonly defined as a tangent to medial and lateral tibial plateaus in various radiographic measurements. We aim to investigate radiographic differences between medial and lateral knee joint line coronal obliquity ...
Thomas Ka Chun Leung   +9 more
doaj   +1 more source

Evaluation of reverse curves focusing on the lateral friction demand on four-lane divided highways

open access: yesTransportation Engineering, 2023
Horizontal curves on mountainous roads are highly crash-prone and geometric consistency is vital in their design. The drivers' lateral friction demand will be significantly affected if there are a substantial number of successive horizontal curves on ...
Alireza Aminfar   +2 more
doaj   +1 more source

Codimension bounds and rigidity of ancient mean curvature flows by the tangent flow at −∞

open access: yesCommunications in Contemporary Mathematics, 2021
Motivated by the limiting behavior of an explicit class of compact ancient curve shortening flows, by adapting the work of Colding–Minicozzi[11], we prove codimension bounds for ancient mean curvature flows by their tangent flow at [Formula: see text]. In the case of the [Formula: see text]-covered circle, we apply this bound to prove a strong rigidity
Stryker, Douglas, Sun, Ao
openaire   +3 more sources

Global sounding of F region irregularities by COSMIC during a geomagnetic storm [PDF]

open access: yesAnnales Geophysicae, 2019
We analyse reprocessed electron density profiles and total electron content (TEC) profiles of the ionosphere in September 2008 (around solar minimum) and September 2013 (around solar maximum) obtained by the Constellation Observing System for Meteorology,
K. Hocke   +4 more
doaj   +1 more source

Singularity of Mean Curvature Flow of Lagrangian Submanifolds [PDF]

open access: yes, 2003
In this article we study the tangent cones at first time singularity of a Lagrangian mean curvature flow. If the initial compact submanifold is Lagrangian and almost calibrated by Re\Omega in a Calabi-Yau n-fold (M,\Omega), and T>0 is the first blow-up ...
Chen, Jingyi, Li, Jiayu
core   +1 more source

Dynamics of single polymers under extreme confinement [PDF]

open access: yes, 2007
We study the dynamics of a single chain polymer confined to a two dimensional cell. We introduce a kinetically constrained lattice gas model that preserves the connectivity of the chain, and we use this kinetically constrained model to study the dynamics
Armin Rahmani   +6 more
core   +1 more source

Mean curvature flow and Riemannian submersions [PDF]

open access: yes, 2015
We give a sufficient condition ensuring that the mean curvature flow commutes with a Riemannian submersion and we use this result to create new examples of evolution by mean curvature flow.
Pipoli, Giuseppe
core   +3 more sources

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