J.C. Roy

ORCID: 0000-0001-7653-6408
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Research Areas
  • Greenhouse Technology and Climate Control
  • Nuclear Physics and Applications
  • Plant Water Relations and Carbon Dynamics
  • Neural dynamics and brain function
  • Nuclear reactor physics and engineering
  • Light effects on plants
  • EEG and Brain-Computer Interfaces
  • Radioactive contamination and transfer
  • Magnetic and transport properties of perovskites and related materials
  • Radioactivity and Radon Measurements
  • Radioactive Decay and Measurement Techniques
  • Nuclear physics research studies
  • Nuclear and radioactivity studies
  • Fluid Dynamics and Turbulent Flows
  • Computational Fluid Dynamics and Aerodynamics
  • Plant and animal studies
  • Neuroscience and Neural Engineering
  • Radiation Detection and Scintillator Technologies
  • Guidance and Control Systems
  • Graphite, nuclear technology, radiation studies
  • Nuclear Materials and Properties
  • Dementia and Cognitive Impairment Research
  • Plasma and Flow Control in Aerodynamics
  • Advanced Chemical Physics Studies
  • Sleep and Wakefulness Research

Centre Hospitalier Universitaire de Rennes
2024

Franche-Comté Électronique Mécanique Thermique et Optique - Sciences et Technologies
2013-2023

Centre National de la Recherche Scientifique
1986-2022

Université de technologie de belfort-montbéliard
2017-2022

Université de franche-comté
1999-2017

Université de Sherbrooke
2013-2015

Bhabha Atomic Research Centre
2011

Université Laval
1981-2007

Université de Lille
1981-1998

Laboratoire de Neurosciences Cognitives
1993

10.1006/bioe.2002.0107 article EN Biosystems Engineering 2002-09-01

10.1006/bioe.2002.0114 article EN Biosystems Engineering 2002-10-01

Although green consumption is increasingly popular in the academic literature, practice still far from commonplace among consumers. Few studies have been conducted to explain consumer reluctance adopt products (GPs), particularly with regard roles of various risks consumers perceive their purchases. However, perceived towards GPs could be one explanations for ‘green gap’ – difference between pro-environmental attitudes and purchase behaviour. We used a means-end chain (MEC) approach explore...

10.5070/g313310923 article EN cc-by Electronic Green Journal 2012-08-28

The long-lived radionuclide Fe 60 has been observed through extraction of its disintegration product, 10-minute Co 60m , from the iron fraction isolated a copper target bombarded with ~400-Mev. protons. Direct observation was prevented by 59 present. Yield considerations indicate half-life to be ~3 × 10 5 years, uncertain factor 3.

10.1139/p57-069 article EN Canadian Journal of Physics 1957-05-01

10.1006/jaer.2000.0568 article EN Journal of Agricultural Engineering Research 2001-01-01

1. In anaesthetized rats, recordings were made within the medullary subnucleus reticularis dorsalis (SRD) from neurones that exhibited convergence of nociceptive inputs entire surface body. Neurones with total responded to supramaximal percutaneous electrical stimuli (2 ms duration) early and late peaks due activation A delta C fibres, respectively, no matter which part body was stimulated. partial identical an peak regardless stimulated a some, mainly contralateral, parts The...

10.1113/jphysiol.1992.sp019415 article EN The Journal of Physiology 1992-12-01

ISHS International Conference on Sustainable Greenhouse Systems - Greensys2004 CFD PREDICTION OF THE NATURAL VENTILATION IN A TUNNEL-TYPE GREENHOUSE: INFLUENCE WIND DIRECTION AND SENSIBILITY TO TURBULENCE MODELS

10.17660/actahortic.2005.691.55 article EN Acta Horticulturae 2005-10-01

The yields of 53-day Be 7 , 21.3-hour Mg 28 and 56.6-hour Ni 66 from the slow neutron fission U 235 have been investigated. Upper limits 3 × 10 −7 % 4.2 −9 set for respectively. A yield 2.0 ± 1.0 −8 has found formation . These results are compared with current knowledge frequency triple

10.1139/p61-030 article EN Canadian Journal of Physics 1961-02-01

The half-lives of Au 195 , Pt 195m and 197 have been measured. radionuclides were produced by neutron irradiation in the NRX reactor at Chalk River radiochemically purified after irradiation. decay X rays γ-radiations from was observed with a NaI (Tl) detector, β-decay an anthracene detector. are:[Formula: see text]The errors quoted are estimated reliability measurement include statistical counting error plus systematic error.

10.1139/v60-026 article EN Canadian Journal of Chemistry 1960-02-01

A new radioisotope of platinum, ${\mathrm{Pt}}^{200}$, with an 11.5-hr half-life has been produced by successive neutron capture in ${\mathrm{Pt}}^{198}$. It was identified milking its daughter, ${\mathrm{Au}}^{200}$. The activation cross section for the reaction ${\mathrm{Pt}}^{199}(n, \ensuremath{\gamma}){\mathrm{Pt}}^{200}$ is approximately 15 barns.

10.1103/physrev.105.1337 article EN Physical Review 1957-02-15

The reactor neutron-capture cross section of 18-minute Rb 88 has been determined by an activation method. yield 89 formed successive neutron capture in 87 was counting the beta rays emitted its daughter, 51-day Sr . In these experiments is also produced (n, γ)Sr reaction from contamination rubidium target and decay Corrections for contributions sources to have measured experimentally. be 5.8 mb. conditions experiment. Taking 0.12 ± 0.3 barn thermal , found 1.0 neutrons.

10.1139/v58-106 article EN Canadian Journal of Chemistry 1958-05-01

The half-life of Au 200 has been measured to be 48.4 ± 0.3 minutes. beta radiations emitted in the decay have studied by absorption aluminum, and gamma with a multichannel scintillation spectrometer. Two rays end-point energies 2.25 0.20 0.7 0.1 Mev respective abundance (75 3)% (25 were detected. Three 0.367, 1.23, 1.60 observed. It was established that 0.367- 1.23-Mev are coincidence. A scheme for is proposed.

10.1139/p59-043 article EN Canadian Journal of Physics 1959-04-01
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