nonionic agent

См. также в других словарях:

• agent — 1. An active force or substance capable of producing an effect. For agents not listed here, see the specific name. 2. A disease, a factor such as a microorganism, chemical substance, or a form of radiation the presence or …   Medical dictionary

• nonionic — A class of radiographic contrast media that do not ionize in solution, thereby decreasing effective osmolarity and toxicity. SEE ALSO: low osmolar contrast agent …   Medical dictionary

• soap and detergent — ▪ chemical compound Introduction       substances that, when dissolved in water, possess the ability to remove dirt (detergent) from surfaces such as the human skin, textiles, and other solids. The seemingly simple process of cleaning a soiled… …   Universalium

• Radiocontrast — agents (also simply contrast agents or contrast materials) are compounds used to improve the visibility of internal bodily structures in an X ray image.Contrast agents are also used in MRI (Magnetic Resonance Imaging). Although MRI is usually… …   Wikipedia

• Emulsion polymerization — is a type of radical polymerization that usually starts with an emulsion incorporating water, monomer, and surfactant. The most common type of emulsion polymerization is an oil in water emulsion, in which droplets of monomer (the oil) are… …   Wikipedia

• Tensioactif — Un tensioactif ou agent de surface est un composé qui modifie la tension superficielle entre deux surfaces. Les composés tensioactifs sont des molécules amphiphiles, c est à dire qu elles présentent deux parties de polarité différente, l une… …   Wikipédia en Français

• pharmaceutical industry — Producers of pharmaceuticals, substances used in the diagnosis, treatment, and prevention of disease and the modification of organic functions. The earliest records of medicinal plants and minerals are those of the ancient Chinese, Hindu, and… …   Universalium

• Trisodium phosphate — Not to be confused with Sodium triphosphate. Trisodium phosphate[1] …   Wikipedia

• Contrast-induced nephropathy — Classification and external resources ICD 10 N99.0 ICD 9 586 Co …   Wikipedia

• detergent — /di terr jeuhnt/, n. 1. any of a group of synthetic, organic, liquid or water soluble cleaning agents that, unlike soap, are not prepared from fats and oils, are not inactivated by hard water, and have wetting agent and emulsifying agent… …   Universalium

• Surfactant — A fluid secreted by the cells of the alveoli (the tiny air sacs in the lungs) that serves to reduce the surface tension of pulmonary fluids; surfactant contributes to the elastic properties of pulmonary tissue. In more technical terms, a… …   Medical dictionary