Annual Report - National Bureau of Standards

accuracy accurate activities addition analysis application areas associated atmosphere atomic basic Book Bureau calibration changes Chem chemical completed conducted constant constructed continued Cryogenic crystals determine developed distribution effects electrical electron energy Engineering equipment established evaluation experimental experiments field Force frequency function heat hydrogen important improved included increased indicate industry International ionosphere laboratory liquid magnetic materials means measurements mechanical ment metals method microwave needs observed obtained operation percent performance phase Phys physical polymers possible precision predictions prepared present pressure problems Proc processes produced propagation properties radiation radio range reactions reference samples scattering showed signals solution space standards structure surface technical techniques temperature theoretical theory thermal tion units University values various waves weights York