منابع مشابه
Instrumentation: astronomers look to nanotechnology.
nature nanotechnology | VOL 3 | AUGUST 2008 | www.nature.com/naturenanotechnology 459 and protective shell. The nanoscale and hydrophobic structures of the network enable the otherwise water-absorbing cotton to repel water nearly as efficiently as the lotus leaf. Furthermore, the treated fabrics are stronger and more resistant to tears. Nanotube concentrations of over 2% in the applied emulsion...
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Ramaswamy Selvaratnam Ramaswamy ([email protected]) Nettam Prathyusha ([email protected]) Ruthiramoorthi Saranya ([email protected]) Haridass Sumathi ([email protected]) Kutuva Tulasi Mohanavalli ([email protected]) Raju Jyothi Priya ([email protected]) Jayakothanda Ramaswami Venkhatesh ([email protected]) Chidambaram Saravana Babu (csa...
متن کاملInformation seeking behavior of Greek astronomers
This study examines three aspects of information seeking behaviour of astronomers in Greece including a) the importance they place in keeping upto-date with current developments b) the methods they depend on for keeping up-to-date and c) the information sources they mostly use. We adopted an intradisciplinary approach in order to investigate similarities and differences in information seeking b...
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Name: S u s a n W. S t e w a r t Brief Description: The HCFC refrigerant, R-22, is the most widely used residential air-conditioner refrigerant in the U.S. However, it is scheduled to be banned in new equipment beginning in 2010 due to its high ozone depletion potential (ODP). A new refrigerant, R-410A has zero ODP and favorable performance characteristics such as good cycle efficiency, non-fla...
متن کاملThe Selection of Tenured Astronomers in France
The organization of the recruitment of tenured astronomers and astrophysicists in France is presented and compared with the setup in other countries. The ages for getting tenure have increased from 27-28 in 1980 to 31 today. Foreign scientists constitute at least 11% of the recruits and the delay in their hiring is quantified. The large reliance on national tenure committees is justified, while...
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ژورنال
عنوان ژورنال: Astronomische Nachrichten
سال: 1877
ISSN: 0004-6337,1521-3994
DOI: 10.1002/asna.18770890906