Results 111 to 120 of about 26,522 (166)

Room-Temperature Framework Oxygen Isotope Exchange during Interaction of Water with Hydrophilic Pure-Silica Zeolites Studied Using Nuclear Magnetic resonance Spectroscopy and Neutron Diffraction. [PDF]

J Am Chem Soc
Kelly NL, Stanzione MG, Brako-Amoafo D, Lawrence GB, Rice CM, Wheatley PS, Keys JM, Heard CJ, Fischer HE, Gibbs AS, Ashbrook SE, Morris RE.   +11 more
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Fusion yield enhancement via secondary beam-target reactions in laser-cluster experiments. [PDF]

Sci Rep
Sim J, Lee S, Kim HI, Noh Y, Song J, Song C, Won J, Bang W.   +7 more
europepmc   +1 more source

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Neutron diffraction at simultaneous high temperatures and pressures, with measurement of temperature by neutron radiography

Mineralogical Magazine, 2001
AbstractThe commissioning and operation of apparatus for neutron diffraction at simultaneous high temperatures and pressures is reported. The basic design is based on the Paris-Edinburgh cell using opposed anvils, with internal heating. Temperature is measured using neutron radiography. The apparatus has been shown in both on-line and off-line tests to
Le Godec, Y., Dove, M. T., Francis, D. J., Kohn, S. C., Marshall, W. G., Pawley, A. R.; id_orcid 0000-0002-3022-3235, Price, G. D., Redfern, S. A T, Rhodes, N., Ross, N. L., Schofield, P. F., Schooneveld, E., Syfosse, G., Tucker, M. G., Welch, M. D.   +14 more
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Neutron Diffusion in a Temperature Gradient

Nuclear Science and Engineering, 1962
>The space energy distribution of neutrons diffusing in a source-free, nonabsorbing medium possessing a temperature gradient is obtained by solving the appropriate Boltzmann equation to a second order approximation using the expansion technique of Chipman and Enskog.
J. R. L. de Ladonchamps, L. M. Grossman
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Temperature of neutron stars

International Journal of Modern Physics D, 2016
We start with a brief introduction to the historical background in the early pioneering days when the first neutron star thermal evolution calculations predicted the presence of neutron stars hot enough to be observable. We then report on the first detection of neutron star temperatures by ROSAT X-ray satellite, which vindicated the earlier prediction
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High-temperature neutron dosimeters

Nuclear Instruments and Methods, 1972
Abstract Preparation methods have been established for certified and pure refractory neutron flux detectors. The classical powder mixing, pressing, sintering, and mechanical finishing operations have been refined for Al 2 O 3 containing 1% CoO and MgO containing 1% CoO.
J. Joyeux, J. Van Audenhove
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An Investigation of Effective Neutron Temperatures

Nuclear Science and Engineering, 1960
Information about effective neutron temperatures has been inferred from measurements of the ratio of the thermal-fission activity of a Pu/sup 239/ foil to that of a U/sup 235/ foil. A discussion of the ratios obtained in various assemblies which were placed in the center of a graphite thermal column is presented.
W. P. Stinson, L. C. Schmid, R. E. Heineman   +2 more
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Relaxation of the temperature of a neutron gas

Soviet Atomic Energy, 1963
The spectra of thermal neutrons were measured in water at various distances from a spherical source, in order to determine the temperature of the neutron gas. The spectrum of the source was obtained by means of the cadmium difference; it exhibited a Maxwellian distribution and a temperature exceeding considerably the temperature of the water, which ...
E. Ya. Doil'nitsyn, A. G. Novikov, I. P. Stakhanov, A. S. Stepanov   +3 more
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Low-Temperature Neutron Moderation

Physical Review Letters, 1960
Measurements on an energy level in the microwave spectrum of water are discussed. The inelastic cross section for scattering of 0.005 ev neutrons from HO/sub 1/2/ at room temperature was estimated to be 8 barns. (C.J.G.)
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