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.
PK: Point Known, PK Nail PK Nail: A concrete nail made by Parker Kaelon (stamped PK) that marks a survey point; see also Hub and Tack in Surveyors' Slang. POB: Point of beginning, the starting point of a survey PRC: Point of reverse curve, the point in an S-type compound curve where two curves of different polarity meet