Search results for "even"

Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign

2021

Full list of authors: EHT MWL Science Working Group; Algaba, J. C.; Anczarski, J.; Asada, K.; Baloković, M.; Chandra, S.; Cui, Y. -Z.; Falcone, A. D.; Giroletti, M.; Goddi, C.; Hada, K.; Haggard, D.; Jorstad, S.; Kaur, A.; Kawashima, T.; Keating, G.; Kim, J. -Y.; Kino, M.; Komossa, S.; Kravchenko, E. V.; Krichbaum, T. P.; Lee, S. -S.; Lu, R. -S.; Lucchini, M.; Markoff, S.; Neilsen, J.; Nowak, M. A.; Park, J.; Principe, G.; Ramakrishnan, V.; Reynolds, M. T.; Sasada, M.; Savchenko, S. S.; Williamson, K. E.; Event Horizon Telescope Collaboration; Akiyama, Kazunori; Alberdi, Antxon; Alef, Walter; Anantua, Richard; Azulay, Rebecca; Baczko, Anne-Kathrin; Ball, David; Barrett, John; Bintley, Dan; …

First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon

2021

Full list of authors: Akiyama, Kazunori; Algaba, Juan Carlos; Alberdi, Antxon; Alef, Walter; Anantua, Richard; Asada, Keiichi; Azulay, Rebecca; Baczko, Anne-Kathrin; Ball, David; Baloković, Mislav; Barrett, John; Benson, Bradford A.; Bintley, Dan; Blackburn, Lindy; Blundell, Raymond; Boland, Wilfred; Bouman, Katherine L.; Bower, Geoffrey C.; Boyce, Hope Bremer, Michael; Brinkerink, Christiaan D.; Brissenden, Roger; Britzen, Silke; Broderick, Avery E.; Broguiere, Dominique; Bronzwaer, Thomas; Byun, Do-Young; Carlstrom, John E.; Chael, Andrew; Chan, Chi-kwan; Chatterjee, Shami; Chatterjee, Koushik; Chen, Ming-Tang; Chen, Yongjun; Chesler, Paul M.; Cho, Ilje; Christian, Pierre; Conway, John E.…

Multi-experimental study of micro-structural and mechanical consequences of thermal cycles applied to a martensitic stainless steel « APX4 »

2010

The Direction des Applications Militaires at the Commissariat à l’Énergie Atomique, a French government-funded technological research organisation, selected a low carbon chromium rich martensitic stainless steel (APX4) to manufacture components with high yield strength and ultimate tensile strength. As such, this thesis is developed around three main axes. Firstly, the thesis summarizes the existing bibliography on this steel as well as its neighboring nuances. Secondly, it engages in a precise characterization of the material that is currently used for industrial manufacturing. Finally, this highly experimental work undertakes to observe and interpret the micro-structural and mechanical co…

Shareholder Wealth Creation in Response to Announcements of Acquisitions of Unlisted Firms: Evidence from Spain

2011

We investigate shareholder value creation of Spanish listed firms in response to announcements of acquisitions of unlisted companies and compare this experience to the purchase of listed firms over the period 1991–2006. Similar to foreign markets, acquirers of listed targets earn insignificant average abnormal returns, whereas acquirers of unlisted targets gain significant positive average abnormal returns. When we relate these results to company and transaction characteristics our findings diverge from those reported in the literature for other foreign markets, as our evidence suggests that the listing status effect is mainly associated with the fact that unlisted firms tend to be smaller …

Ubérisation de l'économie et droit fiscal

2017

International audience

A Hierarchical Detection and Response System to Enhance Security Against Lethal Cyber-Attacks in UAV Networks

2018

International audience; Unmanned aerial vehicles (UAVs) networks have not yet received considerable research attention. Specifically, security issues are a major concern because such networks, which carry vital information, are prone to various attacks. In this paper, we design and implement a novel intrusion detection and response scheme, which operates at the UAV and ground station levels, to detect malicious anomalies that threaten the network. In this scheme, a set of detection and response techniques are proposed to monitor the UAV behaviors and categorize them into the appropriate list (normal, abnormal, suspect, and malicious) according to the detected cyber-attack. We focus on the m…

Fughe nella dipendenza: la work addiction

2008

Evolving endoscopic strategies for detection and treatment of neoplastic lesions in inflammatory bowel disease

2013

The paradigm for neoplasia surveillance in IBD is rapidly evolving with advancements in endoscopic imaging technology. Modern technology has demonstrated a remarkably improved capacity to detect and characterize subtle neoplastic lesions. As such, practices of obtaining interval random biopsy specimens to identify “invisible”neoplasia and of recommending total proctocolectomy for treatment of early neoplastic lesions are gradually being phased out. Further research is required to confirm the safety and effectiveness of endoscopic resection of more advanced neoplastic lesions, including DALMs and lesions bearing HG-IEN. Moving forward, studies evaluating CRC risk profiles in IBD patients wou…

Physical activity and fat-free mass during growth and in later life.

2021

ABSTRACT Background Physical activity may be a way to increase and maintain fat-free mass (FFM) in later life, similar to the prevention of fractures by increasing peak bone mass. Objectives A study is presented of the association between FFM and physical activity in relation to age. Methods In a cross-sectional study, FFM was analyzed in relation to physical activity in a large participant group as compiled in the International Atomic Energy Agency Doubly Labeled Water database. The database included 2000 participants, age 3–96 y, with measurements of total energy expenditure (TEE) and resting energy expenditure (REE) to allow calculation of physical activity level (PAL = TEE/REE), and cal…

Influence of Guideline Operationalization on Youth Activity Prevalence in the International Children's Accelerometry Database

2022

Introduction: The United Kingdom and World Health Organization recently changed their youth physical activity (PA) guidelines from 60 minutes of moderate-vigorous PA (MVPA) every day, to an average of 60 minutes of MVPA per day, over a week. The changes are based on expert opinion due to insufficient evidence comparing health outcomes associated with different guideline definitions. Further, inconsistent guideline operationalization impairs understanding of physical inactivity prevalence. This study used the International Children’s Accelerometry Database to compare approaches to calculating PA compliance among youth and associations with health indicators. Methods: Cross-sectional accelero…