Results 221 to 230 of about 24,382 (331)

Coronary Artery Blood Flow Imaging Using 3D Flow MRI

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose In this work, a 3D phase contrast (PC) technique is presented, which enables flow velocity measurements in three spatial directions, simultaneously covering the proximal left (LCA) and right (RCA) coronary arteries and yielding both morphological and flow information.
Denise Lichthardt, Michaela Schmidt, Jens Wetzl, Peter Speier, Manuel Hein, Christopher Schuppert, Armin M. Nagel, Daniel Giese   +7 more
wiley   +1 more source

Quantum Resource Requirements for Breaking Elliptic Curve Cryptography: How NISQ-Era Innovations Accelerate the Path to Fault-Tolerant Attacks

Robert Campbell
openalex   +2 more sources

Brain Pulsation Imaging Using Non‐Balanced Steady‐State Free Precession With 3D‐EPI Readout

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To present a new, fast MR imaging method for visualization and quantification of pulsatile displacement in brain tissue and fluid. Methods The natural phase‐contrast of non‐balanced steady‐state free precession combined with careful tuning of the intrinsic spoiler gradients is harnessed to measure displacement along specific physical ...
Pål Erik Goa, Simon Blömer, Rüdiger Stirnberg, Tony Stöcker   +3 more
wiley   +1 more source

RF‐Shielding of Laser‐Cut Venous Stents: Calculations, Simulations, and Experiments

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To develop an analytical model of the RF‐shielding of laser‐cut venous stents for different orientations and stent geometries. Methods Laser‐cut venous stents are modeled as a grid composed of circular and rectangular loops. As these loops are orthogonal they shield different components of the transmit RF field.
Lisa Regler, Felix Spreter, Kian Tadjalli Mehr, Niklas Verloh, Klaus Düring, Wibke Uller, Michael Bock, Simon Reiss   +7 more
wiley   +1 more source

A hybrid multi-node QKD-ECC architecture for securing IoT networks. [PDF]

Sci Rep
Chaturvedi R, Sahu D, Singh BP, Prakash S, Yang T, Rathore RS, Cengiz K, Ivković N.   +7 more
europepmc   +1 more source

Launch Uncertainty Analysis Under Barrel Erosion Using Experiments and Random Matrix Theory

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT The effects of barrel erosion on artillery firing performance have long been a subject of concern, but its effect on launch uncertainty has yet to be investigated. This article explores the influence of barrel erosion on the interior ballistic mechanical properties and launch disturbances.
Chengyuan Guo, Guolai Yang, Liqun Wang, Jianli Ge, Qingle Wu, Hao Guo   +5 more
wiley   +1 more source

Design and analysis of a secure image encryption algorithm using proposed non-linear RN chaotic system and ECC/HKDF key derivation with authentication support. [PDF]

Sci Rep
Zhiqiang H, Rauf A, Nazir A, Tchier F, Aslam A, Tola KA.   +5 more
europepmc   +1 more source

Elliptical Curve Cryptography Based Secure Location Verification in Clustered WSN

, 2016
S. Velmurugan
openalex   +1 more source

Relevance of standardized phase angle and bioelectrical impedance vectors in hospitalized older patients: A cohort study

Nutrition in Clinical Practice, EarlyView.
Abstract Background The prognostic significance of standardized phase angle (StPhA) and bioelectrical impedance vector analysis (BIVA) remains unclear among hospitalized older individuals. Our study aimed to investigate the prognostic significance of StPhA and BIVA patterns concerning overall survival in hospitalized older patients.
Nahara Oliveira Lima da Silva Diniz, Jarson P. Costa‐Pereira, Claudia Porto Sabino Pinho Ramiro, Maria da Conceição Chaves de Lemos, Fabiana Cristina Lima da Silva Pastich Gonçalves, Alcides da Silva Diniz, Márcia Marília Gomes Dantas Lopes, Ana Paula Trussardi Fayh, Ilma Kruze Grande de Arruda   +8 more
wiley   +1 more source

A New Authentication Scheme with Elliptical Curve Cryptography for Internet of Things (IoT) Environments

, 2018
M. Durairaj, K. Muthuramalingam
openalex   +2 more sources