Renal Ultrasound: Sonography of the Kidneys. Review literature: (Singer et al, 2006). Technique of Renal Ultrasound. Sonography of the kidney is best done in supine position and with inspiration of the patient. In adverse conditions, an elevation of the examination side by 30 degrees is helpful.
By Anne Marie Helmenstine, Ph.D. Chemical Change Definition: A chemical change is a process where one or more substances are altered into one or more new and different substances. Also Known As: chemical reaction.
This is where chemical properties come in. A chemical property is a property of a substance that is observed when a substance undergoes a chemical change. A chemical change is a type of change that also changes the identity of a substance due to breakage and formation of new chemical bonds.