The existence of such tests involve passing the thread in a banknote ultraviolet lamp inside which the ticket show small luminescent threads.
12.
Reflecting public health concerns of the day, especially regarding electrostatic air filters and ultraviolet lamps in their ventilation systems to kill germs.
13.
Researchers announced initial findings Wednesday they hope will lead to using ultraviolet lamps to prevent the spread of tuberculosis and other airborne diseases.
14.
Sickness among office workers in industrialized countries could be reduced by using ultraviolet lamps to kill germs in ventilation systems, new research indicates.
15.
The sensitizer used is very slow, so printing must be by contact with a large format negative, using an ultraviolet lamp or sunlight.
16.
His research contributed to the development of the ultraviolet lamp, to pyrex, and to the production of ethyl gasoline ( a leaded gasoline ).
17.
The battered, aging equipment, which includes ultraviolet lamps, inhalation cones, a low-pressure chamber, and a quartz-ray machine, has an old-fashioned futuristic look, like Flash Gordon.
18.
He would not elaborate on what equipment was recovered from the site, but typically, hydroponic operations include tiered planters, water pumps, ultraviolet lamps and fans.
19.
It is necessary to use either a short-or long-wave ultraviolet lamp to view the phosphor, according to the type of phosphor used on the stamp.
20.
Aware that vampires attend when she speaks, she activates overhead ultraviolet lamps that incinerate several of the vampires in the audience in front of the humans.
