Results 41 to 50 of about 23,244 (255)

Lagrangian Detection of Moisture Sources for the Southern Patagonia Icefield (1979–2017)

Frontiers in Earth Science, 2018
The origin of moisture for the Southern Patagonia Icefield and the transport of moisture toward it are not yet fully understood. These quantities have a large impact on the stable isotope composition of the icefield, adjacent lakes, and nearby vegetation,
Lukas Langhamer, Tobias Sauter, Georg J. Mayr   +2 more
doaj   +1 more source

Optimizing photoexcitation conditions for time‐resolved X‐ray solution scattering experiments

FEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering (TR‐XSS) is a powerful technique to visualize how proteins change their structure in real time after light activation. Selecting the right laser photoexcitation conditions—fluence, excitation geometry, and sample refresh rate—is critical to maximize the experimental signal while avoiding unwanted side effects ...
Matteo Levantino
wiley   +1 more source

A Bayesian Approach to Forced Oscillation Source Location Given Uncertain Generator Parameters [PDF]

IEEE Transactions on Power Systems, 2019
Since forced oscillations are exogenous to dynamic power system models, the models by themselves cannot predict when or where a forced oscillation will occur. Locating the sources of these oscillations, therefore, is a challenging problem which requires analytical methods capable of using real time power system data to trace an observed oscillation ...
Samuel Chevalier, Petr Vorobev, Konstantin Turitsyn   +2 more
openaire   +4 more sources

Characterizing Cutaneous α‐Synuclein Deposition and Seeding Activity in Parkinson's Disease Subtypes

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Cutaneous phosphorylated α‐synuclein (p‐syn) and α‐synuclein seeding activity are promising biomarkers for Parkinson's disease (PD), but their clinical value remains uncertain due to disease heterogeneity. This study evaluates these two biomarkers in PD patients to inform phenotype‐specific diagnosis and disease severity assessment ...
Yuting Jin, Tianyuan Yang, Minglei Liu, Haiyang Luo, Jing Yuan, Ke Zhang, Xinsheng Han, Jing Yang, Yuming Xu   +8 more
wiley   +1 more source

A Survey of Oscillation Localization Techniques in Power Systems

IEEE Access
With the increasingly high penetration of renewable energy sources and the more integration of flexible loads, the power system is currently experiencing significant changes.
Yunfei Chen, Ziyu Fan, David Gregory, Xiaoyao Zhou, Ronak Rabbani   +4 more
doaj   +1 more source

Magnetohydrodynamic Mode Conversion in the Solar Corona: Insights from Fresnel-like Models of Waves at Sharp Interfaces

The Astrophysical Journal, 2023
The solar atmosphere is known to contain many different types of wave-like oscillation. Waves and other fluctuations (e.g., turbulent eddies) are believed to be responsible for at least some of the energy transport and dissipation that heats the corona ...
Steven R. Cranmer, Momchil E. Molnar
doaj   +1 more source

El Niño Southern Oscillation and the accumulation of chilling hours for dormancy breaking in temperate fruit in Southern Brazil

Ciência Rural, 2023
: The number of chilling hours is responsible for maximizing budding and flowering in temperate climate fruit trees, and this number varies widely between years.
Bernadete Radin, Bianca Pinheiro Costa, Ricardo Wanke de Melo   +2 more
doaj   +1 more source

Locating Method of Disturbance Source of Low Frequency Oscillation Based on Oscillation Phase Difference

DEStech Transactions on Engineering and Technology Research, 2017
Fast and accurate location of low frequency oscillation disturbance source is crucial to the safe and stable operation of power system. This paper firstly analyzes the mechanism that how the disturbance source unit influence the other units in the power grid.
Siqing Sheng, Xiaohang Zhang, Xianjun Shang   +2 more
openaire   +2 more sources

Deep Learning Pose Estimation for Phenotyping of Co‐Occurring Hyperkinetic Movement Disorders

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore whether routine outpatient video combined with deep learning‐based pose estimation and clinically interpretable kinematic features can support multi‐label phenotyping of co‐occurring hyperkinetic movement disorders (HMDs).
Laura Cif, Diane Demailly, Gabriella A. Horvàth, Juan Dario Ortigoza Escobar, Nathalie Dorison, Mayté Castro Jiménez, Cécile A. Hubsch, Thomas Wirth, Gun‐Marie Hariz, Sophie Huby, Morgan Dornadic, Zohra Souei, Muhammad Mushhood Ur Rehman, Simone Hemm, Mehdi Boulaymen, Eduardo M. Moraud, Jocelyne Bloch, Xavier Vasques   +17 more
wiley   +1 more source

Gravity‐Dependent Modulation of Downbeat Nystagmus: Insights From Velocity‐Storage Dysfunction

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Downbeat nystagmus varies with head position, a phenomenon termed gravity‐dependent modulation. We aimed to clarify its mechanism using a velocity‐storage model. Methods In 10 patients with downbeat nystagmus due to cerebellar disorders, we recorded eye movements at different pitch‐ and roll‐axis head positions.
Ji‐Hyung Park, Eun‐Hyuk Choi, Jorge Otero‐Millan, David S. Zee, Jeong‐Yoon Choi, Ji‐Soo Kim   +5 more
wiley   +1 more source