The New Encyclopædia BritannicaEncyclopædia Britannica, 1992 |
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Page 182
... effect . He the- orized that since the pitch of sound from a moving source varies for a stationary observer , the colour of the light from a star should al- ter , according to the star's velocity relative to Earth . Doppler effect , the ...
... effect . He the- orized that since the pitch of sound from a moving source varies for a stationary observer , the colour of the light from a star should al- ter , according to the star's velocity relative to Earth . Doppler effect , the ...
Page 233
... effects . Drugs that bind to receptors and actively bring about biochemical changes are called agonists . Drugs that compete with agonists ( which can be other drugs or endogenous molecules ) but do not in themselves bring about an effect ...
... effects . Drugs that bind to receptors and actively bring about biochemical changes are called agonists . Drugs that compete with agonists ( which can be other drugs or endogenous molecules ) but do not in themselves bring about an effect ...
Page 681
... effect , in physics , the rotation of the plane of polarization ( plane of vibration ) of a light beam by a magnetic field . Michael Faraday , an English scientist , first observed the effect in 1845 when studying the influ- ence of a ...
... effect , in physics , the rotation of the plane of polarization ( plane of vibration ) of a light beam by a magnetic field . Michael Faraday , an English scientist , first observed the effect in 1845 when studying the influ- ence of a ...
Contents
14 written for Catherine the Great Observations | 14 |
Consult the INDEX first | 581 |
Didius Julianus marble bust in | 703 |
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