142 



116 



significance in radiobiology, 



114, 115 



Tritium 



measurement of lifetime of blue 

 color in irradiated water, 39 



Tritium ice 



production of H z O z by self ra- 

 diation, 47 



Tritium water 



Beta radiation effect on F and R 

 reactions in water, 63 

 determination of electron hydra- 

 tion, 35 

 self radiation, 63 



Tyrosine 



ionization and breakdown prod- 

 ucts, 42 



Ultraviolet radiation 



effects of varying dose rates, 

 and total dose on DNA, 117 

 excitation in nucleic acid com- 

 pared with that induced by ion- 

 izing radiation, 94 

 reversal of inactivation effects 

 on cell division, 113 



Vacuum ultraviolet frequencies 

 15 



Vibrational quanta 



absorbed and emitted by slow 

 electrons, 24 



Vibrational state 



of surface of complex mole- 

 cule, 96 



Viruses 



bombardment with low voltage 



electrons, 6 



inactivation by water borne 



agents, 39 



inactivation of dry form, 46 



radiation- induced inactivation 



influenced by temperature, 46 



pulsed X ray measurement of 

 lifetime of blue color following 

 irradiation, 68 

 recombination radiation, 16 

 resonance absorption, 56 

 role in interaction of radiation 

 with biologic material, 104 

 role in secondary electron in 

 energy degradation, 51 

 soft X rays induced by beta 

 particles, 17 



triplet state of molecule, 92 

 virus inactivator, 68 

 Wilson cloud chamber, 48 



X radiation 



absorption coefficients, 3 

 decomposition of ammonia, 71 

 determination of double coil 

 structure of nucleic acid, 118 

 effects of varying dose ratio and 

 total dose on DNA, 117 

 effects on "unfolded" pepsin- 

 albumin, 117 



H^Oi formation in ice influenced 

 by temperature, 47 

 inactivation of dry bacteriophage 

 and influences of temperature, 

 46 



induced by beta particles in 

 water, 17 



measurements of lifetime of 

 blue color in irradiated water, 

 39 



penetration and diffusion in 

 large masses, 18 



Yeast 



RBE of carbon ions, 20 

 gamma particles from Po, 20 



Water 



blue color following irradiation, 



39, 43, 46 



fate of thermal electrons, 28 



interaction with secondary 



electrons, 23 



ionization by beta rays, 57 



measurement of distance 



traveled by ionized electrons, 



62 



