Журнал Nature по названию
Отображаемые элементы 1-20 из 324870
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(1979-05-01)0957 + 561 A, B are two QSOs of mag 17 with 5.7 arc s separation at redshift 1.405. Their spectra leave little doubt that they are associated. Difficulties arise in describing them as two distinct objects and the possibility ...
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(1993-07-01)
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(Nature Publishing Group, 2009-11-01)
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(1951-12-01)TELETHERAPY units using radium are limited in usefulness by the low radiation intensities produced by the small amounts of radium which can be used. To secure an adequate dosage-rate, the distance between the source and ...
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(Macmillan Magazines Ltd., 1999-09-01)
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(Nature Publishing Group, 2003-07-01)
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(Macmillan Magazines Ltd., 1998-02-01)
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(Nature Publishing Group, 2004-02-01)
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(Nature Publishing Group, 2001-02-01)
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(Nature Publishing Group, 2001-04-01)
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(Nature Publishing Group, 2001-02-01)
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(Nature Publishing Group, 2002-12-01)
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(Macmillan Magazines Ltd., 1998-03-01)
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(Nature Publishing Group, 2002-08-01)
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(Nature Publishing Group, 2002-05-01)
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(Nature Publishing Group, 2002-10-01)
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(Macmillan Magazines Ltd., 2000-03-01)
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(Nature Publishing Group, 2004-01-01)
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(Macmillan Magazines Ltd., 1998-05-01)
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(Macmillan Magazines Ltd., 1999-04-01)
Отображаемые элементы 1-20 из 324870