Heat some oil in a large cast iron pan over medium-high heat. Sear each side of the roast for 3 to 4 minutes or until it is browned on all sides. 1  Alternatively, use a Dutch oven for the entire process. 2  Sear the roast inside the Dutch oven on the stove.lace the meat on the grill. Transfer the seasoned roast to the unlit portion of the grill. Cover the grill and cook for 1 hour. 1  Stick a meat thermometer into the center of the sirloin tip roast to test its internal temperature.
Definition: Electron capture is a type of radioactive decay where the nucleus of an atom absorbs a K or L shell electron and converts a proton into a neutron. This process reduces the atomic number by 1 and emits gamma radiation and a neutrino.
an electron of an atom, located in the outermost shell (valence shell) of the atom, that can be transferred to or shared with another atom. valence electron. An electron in one of the outer shells of an atom that can participate in forming chemical bonds with other atoms.