1 Preheat the oven to 300 degrees F (150 degrees C).  Warm the au jus sauce in a saucepan over medium heat. Add the roast beef and let it warm up at the same time. While the meat is soaking, place the rolls on a baking sheet with the cut side down. Brush the tops lightly with water and sprinkle with salt and caraway seeds.
PK/PD models. PK/PD modeling (pharmacokinetic/pharmacodynamic modeling) (alternatively abbreviated as PKPD or PK-PD modeling) is a technique that combines the two classical pharmacologic disciplines of pharmacokinetics and pharmacodynamics.
PZT, or lead zirconate titanate (Pb[Zr(x)Ti(1-x)]O3), is one of the worldâs most widely used piezoelectric ceramic materials. When fired, PZT has a perovskite crystal structure, each unit of which consists of a small tetravalent metal ion in a lattice of large divalent metal ions.