About Specific Gravity & Density Determiniation. Specific Gravity is a measure of the ratio of the mass of a given volume of material at 23 Â°C to the same volume of water.Density, a closely related measurement, is defined as the mass per unit volume of a sample.bout Specific Gravity & Density Determiniation. Specific Gravity is a measure of the ratio of the mass of a given volume of material at 23 Â°C to the same volume of water.
Man Who Was Asleep At Home While His Roommate Used His Car To Commit Murder Still In Prison 10 Years Later. Ten years ago, 21-year-old Florida resident Ryan Holle was sentenced to life in prison without the possibility of parole for premeditated murder.
She also said it was in self defense. 1  Grave charge: Firing six shots Shayna Hubers, left, is accused of murdering her boyfriend, 29-year-old attorney Ryan Poston, right, in what she says was self defense. 2  Crime scene: Police say Hubers gunned down Poston inside his Highland Heights, Ohio, condominium.