height of a liquid column
21atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …
22capillarity — noun The interaction between the surfaces of a solid and liquid in contact that distorts the normal geometry of the liquid surface; especially the rise or fall of a liquid in a fine tube. Hence the allowance to be made for diminution of the… …
23millimeter of mercury — (mm Hg) a unit of pressure equal to the pressure exerted at the Earth s surface by a column of mercury 1 millimeter high. When a traditional mercury barometer is used, the pressure is read directly as the height of the mercury column in… …
24Gas bubbler — A simple gas bubbler containing silicone oil An gas bubbler is a piece of laboratory glassware which consists of a glass bulb filled with a small amount of fluid usually mineral or silicone oil, less commonly mercury. The inlet to the bulb is… …
25jurin's law — ˈju̇rə̇nz noun Usage: capitalized J Etymology: after James Jurin died 1750 English physician : a law of physics: the height of a capillary column of a liquid at a particular temperature is inversely proportional to the diameter of the tube …
26chromatography — chromatographer, n. chromatographic /kreuh mat euh graf ik, kroh meuh teuh /, adj. chromatographically, adv. /kroh meuh tog reuh fee/, n. Chem. the separation of mixtures into their constituents by preferential adsorption by a solid, as a column… …
27analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
28Continuous distillation — Image 1: Typical industrial distillation towers Image 2: A crude oil vacuum distillation column as used in oil refineries …
29building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
30Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
