Results 21 to 30 of about 1,421,366 (338)

Pericoronary Adipose Tissue Computed Tomography Attenuation and High-Risk Plaque Characteristics in Acute Coronary Syndrome Compared With Stable Coronary Artery Disease

JAMA cardiology, 2018
Importance Pericoronary adipose tissue (PCAT) computed tomography (CT) attenuation measured from coronary CT angiography (CTA) may be a promising metric in identifying high-risk plaques.
M. Goeller, S. Achenbach, S. Cadet, A. Kwan, F. Commandeur, P. Slomka, H. Gransar, M. Albrecht, B. Tamarappoo, D. Berman, M. Marwan, D. Dey   +11 more
semanticscholar   +1 more source

Light attenuation coefficient of polarization attenuator at high attenuation level

Acta Physica Sinica, 2010
By use of the Jones vector we deduced the Jones matrix of actual polarizer and light transmission expression, as well as the light attenuation coefficient （LAC） of two polarizers. According to computation, certain error exists when using Malus-Law to calculate polarizer’s light attenuation ratio at high attenuation level.
null Huang Chong, null Chen Hai-Qing, null Liao Zhao-Shu, null Zhao Shuang   +3 more
openaire   +1 more source

Attenuation of Antidepressant Effects of Ketamine by Opioid Receptor Antagonism.

American Journal of Psychiatry, 2018
OBJECTIVE: In addition to N-methyl-d-aspartate receptor antagonism, ketamine produces opioid system activation. The objective of this study was to determine whether opioid receptor antagonism prior to administration of intravenous ketamine attenuates its
N. Williams, Boris D Heifets, C. Blasey, K. Sudheimer, J. Pannu, Heather Pankow, J. Hawkins, J. Birnbaum, D. M. Lyons, C. Rodriguez, A. Schatzberg   +10 more
semanticscholar   +1 more source

Attenuation of Virulent Porcine Reproductive and Respiratory Syndrome Virus Strain CH-1a and Genetic Variation of ORF5 Gene

Journal of Integrative Agriculture, 2012
To develop a modified live vaccine (MLV) against porcine reproductive and respiratory syndrome virus (PRRSV), virulent CH-1a strain was attenuated by serial passages up to 130 passage (P130) in Marc-145 cells.
Xue-hui CAI, Guo-jun WU, Yong-gang LIU, Guang-qing LIU, Wen-da SHI, Shu-jie WANG, Ping MA, Cheng-jun LI, Wen-yu HAN   +8 more
doaj   +1 more source

SPATIAL VARIATIONS OF SEISMIC WAVE ATTENUATION IN THE SOUTH BAIKAL BASIN AND ADJACENT AREAS (BAIKAL RIFT)

Геодинамика и тектонофизика, 2019
Our detailed study of the crust and upper mantle of the South Baikal basin focused on seismic coda and seismic S-waves attenuation and estimated seismic quality factor (QS and QC), frequency parameter (n), attenuation coefficient (δ), total attenuation ...
A. A. Dobrynina, P. A. Predein, V. A. Sankov, Ts. A. Tubanov, D. P.-D. Sanzhieva, E. A. Gorbunova   +5 more
doaj   +1 more source

The Role of Solid Amendments in Promoting the Accelerated Anaerobic Bioremediation of Groundwater Containing High Concentrations of cis- 1,2-Dichloroethene

Revista Águas Subterrâneas, 2013
In-situ anaerobic bioremediation is an elegant method for decontaminating groundwater containing halogenated hydrocarbons and other toxic contaminants.
JOHN FREIM, CLINT BICKMORE, RICHARD VARNELL, SAM FOGEL, WILLIAN A. NEWMAN   +4 more
doaj   +2 more sources

Reactivation of recall-induced neurons contributes to remote fear memory attenuation

Science, 2018
The mechanisms of fear attenuation Surprisingly little is known about how remote fearful memories are stored and attenuated. Khalaf et al. used independent fear memory attenuation paradigms, engram-based tagging techniques, and chemogenetic tools to ...
Ossama Khalaf, Siegfried Resch, Lucie Dixsaut, Victoire Gorden, Liliane Glauser, Johannes Gräff   +5 more
semanticscholar   +1 more source

Numerical Study of Shock Wave Attenuation in Two-Dimensional Ducts Using Solid Obstacles: How to Utilize Shock Focusing Techniques to Attenuate Shock Waves

Aerospace, 2015
Research on shock wave mitigation in channels has been a topic of much attention in the shock wave community. One approach to attenuate an incident shock wave is to use obstacles of various geometries arranged in different patterns. This work is inspired
Qian Wan, Veronica Eliasson
doaj   +1 more source

Review on Structural Health Evaluation with Acoustic Emission

Applied Sciences, 2018
This review introduces several areas of importance in acoustic emission (AE) technology, starting from signal attenuation. Signal loss is a critical issue in any large-scale AE monitoring, but few systematic studies have appeared.
Kanji Ono
doaj   +1 more source

Potential increase in coastal wetland vulnerability to sea-level rise suggested by considering hydrodynamic attenuation effects

Nature Communications, 2017
The future of coastal wetlands and their ecological value depend on their capacity to adapt to the interacting effects of human impacts and sea-level rise.
José F. Rodríguez, P. Saco, S. Sandi, N. Saintilan, G. Riccardi   +4 more
semanticscholar   +1 more source