منابع مشابه
Geoff A. Parker
helping to create a low-carbon economy”. While companies now scramble to assemble their green credentials, Wal-Mart are already raising the stakes, with Leo Scott addressing a meeting in the UK this month at the invitation of Prince Charles. He promised to take nonrenewable energy “off our shelves and out of the lives of our customers”. “Forgive the jargon, but we think sustainability is cool,”...
متن کاملPeter Mansfield - Nobel Lecture
The topic of magnetic resonance imaging (MRI) started for us at Nottingham in the early summer of 1972. During a discussion with one of my graduate students, Peter Grannell and my post-doc Dr Allan Garroway, concerning multiple-pulse line narrowing experiments in solids, the idea occurred to me to use the line narrowing technique as a means of effectively removing dipolar interactions in a mate...
متن کاملGeoffrey Jefferson 1886-1961.
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متن کاملEnvelopment Thomas Eisenmann Geoffrey
Due to network effects and switching costs, platform providers often become entrenched. To dislodge them, entrants generally must offer revolutionary products. We explore a second path to platform leadership change that does not rely on Schumpeterian creative destruction: platform envelopment. By leveraging common components and shared user relationships, one platform provider can move into ano...
متن کاملGeoff Goehle Tuesday May 26 , 2009
We present a number of findings concerning groupoid dynamical systems and groupoid crossed products. The primary result is an identification of the spectrum of the groupoid crossed product when the groupoid has continuously varying abelian stabilizers and a well behaved orbit space. In this case, the spectrum of the crossed product is homeomorphic, via an induction map, to a quotient of the spe...
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ژورنال
عنوان ژورنال: BMJ
سال: 2007
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.39101.546435.fa