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This paper will briefly present a semiotic approach to instrument interfaces based on a conceptual analysis of display and control components and their compositional semantics. Display and control components can be considered as prototypical objects that are themselves constructed from combinations of more elementary signs expressed in some combination of media. Different types of signs (or ‘representational...
To determine whether live virus can withstand excimer laser ablation and pose a possible health hazard to medical personnel. Experimental study. Fibroblasts infected with oral polio vaccine virus were ablated with an excimer laser. The plume was collected using a smoke evacuator and bubbled through viral culture media. The inlet tube from the smoke evacuator was swabbed and cultured for virus...
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