Susan Elizabeth Rice (born November 17, 1964) is currently serving as the 24th United States National Security Advisor. She was formerly a U.S. diplomat, Brookings Institution fellow, and U.S. ambassador to the United Nations.
Products âº VapoMeter - TEWL and evaporation Practical and reliable TEWL, evaporation and permeability measurements The VapoMeter is the only fully portable instrument available for the measurement of TEWL (transepidermal water loss) values and evaporation rates.
(vÅlt'mÄ'tÉr) An instrument used for measuring the difference in voltage between two points in an electric circuit. Voltmeters typically make use of an ammeter that measures current flow across a known resistance inside the voltmeter; direct-current voltages can then be determined by Ohm's law.