Encyclopedia of Physical Science and Technology, Volume 2Academic Press, 1992 - Physical sciences |
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Page 171
... hydrogen atom per cubic centimeter , although it can range from 0.01 or less to more than 106 ( in dense molecular clouds ) . It is this interstellar material from which new stars are formed . [ See INTERSTEL- LAR MATTER . ] The ...
... hydrogen atom per cubic centimeter , although it can range from 0.01 or less to more than 106 ( in dense molecular clouds ) . It is this interstellar material from which new stars are formed . [ See INTERSTEL- LAR MATTER . ] The ...
Page 384
... hydrogen spectrum . The advent of quantum mechanics in the 1920s led to our present theoretical understand- ing of many - electron atoms . First , Schrödinger introduced his wave equation , which gave an accurate description of the hydrogen ...
... hydrogen spectrum . The advent of quantum mechanics in the 1920s led to our present theoretical understand- ing of many - electron atoms . First , Schrödinger introduced his wave equation , which gave an accurate description of the hydrogen ...
Page 393
... hydrogen red line , Balmer a . The wavelength is measured to a precision of 1 part in 109 in order to determine a value for the Rydberg constant . to improve our knowledge of the hydrogen spec- trum . By means of single - frequency ...
... hydrogen red line , Balmer a . The wavelength is measured to a precision of 1 part in 109 in order to determine a value for the Rydberg constant . to improve our knowledge of the hydrogen spec- trum . By means of single - frequency ...
Contents
Guide to Using the Encyclopedia ix Atomic Physics | 339 |
Approximations and Expansions 1 Atomic Spectrometry | 357 |
Archaeological Geology 31 Atomic Spectroscopy | 381 |
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