Fiftyyears ago this Sunday, Theodore Maiman and his fellow scientists atHughes Research Laboratory shined a high-power flash lamp on a rubyrod, triggering a beam of coherent light: the first laser.
The disinfection efficacy of high ozone ultraviolet germicidal lamp was observed in laboratory.
对研制的高臭氧紫外线杀菌灯进行了消毒效果测定。
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In order to observe the germicidal efficacy of halogen tungsten lamp sterilizer, carrier quantitative method was used to carry out laboratory test and simulated field trial.