~(87)Rb atomic frequency standard

absolute atomic weight

acetylene flame atomic absorption spectrophotometr

Advisory Committee of the International Conference on the Peaceful Uses of Atomic Energy

Air-Acetylene Flame Atomic Absorption Spectrometry

air-acetylene flame atomic absorption spectroscopy

anomalous atomic scattering factor

AO atomic orbital

atomic %

atomic (bomb) cloud

atomic (energy) level

atomic abosorption spectrometry

Atomic Abosorption Spectrophotometer

Atomic absbrption spectrophotometry

atomic absoprtion spectrometry

Atomic absoption

atomic absorbing spectrum method

atomic absorbtion spectrophotometry

Atomic absorotion spectrometry