Fedora (KGB Agent) — Fedora was the codename for Viktor Metchislavovich Lessiovski, a KGB agent that infiltrated the United Nations during the Cold War, from where he very successfully sabotaged American intelligence agencies by supplying false information. His cover … Wikipedia
surface-active agent — /serr fis ak tiv/, Chem. any substance that when dissolved in water or an aqueous solution reduces its surface tension or the interfacial tension between it and another liquid. Also called surfactant. * * * ▪ chemistry also called Surfactant, … … Universalium
Cleaning agent — Cleaning agents are substances, usually liquids, that are used to remove dirt, including dust, stains, bad smells, and clutter on surfaces. Purposes of cleaning agents include health, beauty, absence of offensive odor, avoidance of shame, and… … Wikipedia
wetting agent — Chem. any admixture to a liquid for increasing its ability to penetrate, or spread over the surface of, a given material, esp. cloth, paper, or leather. [1935 40] * * * ▪ chemical substance chemical substance that increases the spreading… … Universalium
wetting agent — n a substance that promotes the spreading of a liquid on a surface or the penetration of a liquid into a material esp. by becoming adsorbed in such a way that the liquid is no longer repelled * * * a substance that lowers the surface tension of… … Medical dictionary
wetting agent — noun Date: 1927 a substance that by becoming adsorbed prevents a surface from being repellent to a wetting liquid and is used especially in mixing solids with liquids or spreading liquids on surfaces … New Collegiate Dictionary
wetting agent — noun a chemical added to a liquid to reduce its surface tension and make it more effective in spreading over and penetrating surfaces … English new terms dictionary
surface-active agent — /ˈsɜfəs ˌæktɪv ˌeɪdʒənt/ (say serfuhs .aktiv .ayjuhnt) noun any substance which when added to a liquid reduces its surface tension and thus increases its spreading or wetting properties. Also, surfactant …
wetting agent — /ˈwɛtɪŋ eɪdʒənt/ (say weting ayjuhnt) noun any surfactant substance added to a liquid to increase its penetrating, spreading, or wetting properties …
Directed percolation — In statistical physics Directed Percolation (DP) refers to a class of models that mimic filtering of fluids through porous materials along a given direction. Varying the microscopic connectivity of the pores, these models display a phase… … Wikipedia
Halozyme Therapeutics — Infobox Company company name = Halozyme Therapeutics company type = Public (nasdaq|HALO) company slogan = foundation = 1998 location = San Diego, California, USA key people = Jonathan E. Lim, CEO President num employees = 34 industry =… … Wikipedia