ARTICLE. Use of factorial design for optimization of microwave-assisted digestion of lubricating oil. Letícia M. Costa *, I; Sérgio L. C. Ferreira I; Ana Rita A. Nogueira II; Joaquim A. Nóbrega III. I ...

Early seminal trials continue to guide parameter selections, such as the monopolar survey commonly using 130 Hz, 90–210 μs (10, 25). These parameters have natural ceilings for charge density for brain ...