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.
hydrometer (hÄ«drÅmÂ´ÉtÉr), device used to determine directly the specific gravity of a liquid. It usually consists of a thin glass tube closed at both ends, with one end enlarged into a bulb that contains fine lead shot or mercury to cause the instrument to float upright in a liquid.