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R Bedogni, D Sacco, J M Gómez-Ros, M Lorenzoli, A Gentile, B Buonomo, A Pola, M V Introini, D Bortot, C Domingo
A new thermal neutron irradiation facility based on an (241)Am-Be source embedded in a polyethylene moderator has been designed, and is called ETHERNES (Extended THERmal NEutron Source). The facility shows a large irradiation cavity (45 cm × 45 cm square section, 63 cm in height), which is separated from the source by means of a polyethylene sphere acting as shadowing object. Taking advantage of multiple scattering of neutrons with the walls of this cavity, the moderation process is especially effective and allows obtaining useful thermal fluence rates from 550 to 800 cm(-2) s(-1) with a source having nominal emission rate 5...
January 2016: Applied Radiation and Isotopes
Nilgun Ozbek, Deniz Meydan, Ethern Güneren, Saban Cakir, Bedri Kandemr
No abstract text is available yet for this article.
May 7, 2004: New Zealand Medical Journal
E Cuchet, F Lambert, C Derosier
Several kinds of images, each giving a different information, are now available to radiologists. The MRI images have excellent contrast resolution and enable soft tissues to be differentiated, but they do not distinguish structures with low water content, notably air and bone, whereas these are easily recognized by CT. The aim of this study is to present a simple, entirely radiologist-supervised method to examine the radiological data of any patient, obtained from several kinds of images. MRI is performed using a GEMS Signa, 1...
April 1994: Journal of Neuroradiology. Journal de Neuroradiologie
B D Gupta
Bioassay experiments showed the presence of sex pheromone in females of Poecilocerus pictus. It was further confirmed experimentally that the sex pheromone substances are secreted in the metathoracic and first two abdominal segments. Dissections of the females revealed the presence of a thin sac-like gland in the metathoracic segment. Ethernal extract of this gland was tested in a bioassaying apparatus to confirm its identity as a sex pheromone producing organ.
1978: Biochemistry and Experimental Biology
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