positron emission

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positron emission

[′päz·ə‚trän i‚mish·ən]
(nuclear physics)
A β-decay process in which a nucleus ejects a positron and a neutrino.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The fetching folder houses a 3.4" long blade and features a Beta Plus frame lock to prevent accidental blade closure.
The Thermo Scientific Beta Plus basis-weight transmission sensor from Thermo Scientific, Wilmington, Mass., uses either a Kr-85 or Sr-90 source designed to offer users accurate, higher-resolution basis-weight readings on webs and films between 6 and 7000 g/m2.
Patients were randomized to receive high-dose daclizumab (2 mg/kg every 2 weeks subcutaneously plus interferon beta), low-dose daclizumab (1 mg/kg every 4 weeks subcutaneously plus interferon beta), or interferon beta plus placebo.
The 100 Best Living Rooms by Wim Pauwels, pounds 27.50, published by Beta Plus, from www.amazon.co.uk We love books that deliver exactly what they promise in the title, so if you're keen to enjoy 100 of the best living rooms then this stylish tome is for you.
The TERACLES study will evaluate whether once daily oral teriflunomide 14 or 7mg, in patients treated for at least 6 months on a stable dose of IFN beta prior to randomisation, can reduce the annualised relapse rate (primary endpoint) compared to IFN beta plus oral placebo tablets.
Beta Plus 900 chrome towel radiator, pounds 119.20, Bathstore; green hand towel, pounds 4, Sainsbury's; cerise bath towel, pounds 17 for a bale of four, Woolworths.co.uk.
It's noteworthy that patients getting interferon beta plus natalizumab fared better than did those getting interferon beta alone, says Edmond J.
Beta Plus 900 chrome towel radiator, EUR143, Bathstore; green hand towel, EUR5.75, Sainsbury's; cerise bath towel, EUR20.25 for a bale of four, Woolworths.co.uk.