Results 261 to 270 of about 27,811 (300)

Meta-analysis finds large variation but no general patterns in the relationship between climate and parasitism in terrestrial animals. [PDF]

Proc Natl Acad Sci U S A
Wolmuth-Gordon HS, Koricheva J, Brown MJF.   +2 more
europepmc   +1 more source

Working group on a database for cold moderators

, 1997
T. A. Broome
openalex   +1 more source

Analysis of the burping behavior of the cold solid methane moderator at IPNS (Intense Pulsed Neutron Source)

, 1986
J.M. Carpenter, U. Walter
openalex   +1 more source

The Isis cold moderators

, 1997
G. M. Allen, T. A. Broome, Robert Burridge, D. Cragg, R. Hall, D. Haynes, J. Hirst, J. R. Hogston, H. H. Jones, J. Sexton, P. Wright   +10 more
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Cold neutron production in solid and liquid CH4 moderators

Cold neutron production in solid and liquid CH4 moderators
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Generation of highly monochromatic positrons using cold moderators

Applied Physics Letters, 1986
Slow positron beams generally employ a radioactive  β+ emitter with a crystal moderator in which the positrons thermalize. A small fraction of the thermalized positrons are desorbed at low (1–3 eV) energy, characteristic of the positron work function in the crystal.
B L Brown, A P Mills
exaly   +2 more sources

An experimental study of cold moderators in the reactor Rl

Journal of Nuclear Energy, 1967
Abstract An experimental study of 18 cold moderator combinations has been performed in a 34-cm diameter channel in the thermal column of the heavy water reactor Rl. Moderators investigated are: methyl alcohol, pentane, pentanol, light water and heavy water. all the moderators were cylinders of diameter 32 cm and the following thicknesses were used: 0·
exaly   +2 more sources

Cold neutron production in solid and liquid CH4 moderators

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2004
Abstract A numerical study of cold neutron production in cryogenic moderators composed of solid or liquid CH 4 at temperatures ranging from 20.4 to 111.7 K is made. The study is performed by a multigroup neutron transport analysis with a set of energy-averaged cross-sections (group constants) generated by the authors.
N Morishima
exaly   +2 more sources

Improvement of the mesitylene cold moderator at KUANS

Journal of Neutron Research, 2023
The improvement of the neutron intensity of mesitylene cold moderator in KUANS has been conducted in two ways. One is the change of the mesitylene phase by annealing and the other is the optimization of the configuration. The change of the phase of the mesitylene was conducted by keeping the temperature of mesitylene just below its melting point for ...
Tasaki, Seiji, Yamakawa, Hiroaki, Abe, Yutaka   +2 more
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