in-tube boiling
11Vacuum tube — Vacuum Vac u*um, n.; pl. E. {Vacuums}, L. {Vacua}. [L., fr. vacuus empty. See {Vacuous}.] 1. (Physics) A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the… …
12Ignition tube — An ignition tube is a piece of laboratory equipment. It is a laboratory tube used much in the same way as a boiling tube except not being as large and thick walled. It is primarily used to hold small quantities of substances which are undergoing… …
13expansion tube — A device that converts high pressure liquid refrigerant into low pressure liquid refrigerant (thus lowering its boiling point) before it passes through the evaporator. The expansion valve replaces the thermostatic expansion valve. It is also… …
14fixed orifice tube — A device that converts high pressure liquid refrigerant into low pressure liquid refrigerant (thus lowering its boiling point) before it passes through the evaporator. The expansion valve replaces the thermostatic expansion valve. Also called an… …
15Selenium dioxide — Selenium dioxide …
16Noble gas — Group 18 Period 1 2 He 2 …
17separation and purification — ▪ chemistry Introduction in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… …
18Boiler (steam generator) — Contents 1 Steam generator (component of prime mover) 2 Boiler types 2.1 Haycock and wagon top boilers …
19Coffee percolator — Percolator A coffee percolator is a type of pot used to brew coffee. The name stems from the word percolate which means to cause (a solvent) to pass through a permeable substance especially for extracting a soluble constituent.[1] In the case of… …
20Mercury-in-glass thermometer — Closeup of a maximum thermometer. The break in the column of mercury is visible. A mercury in glass thermometer, also known as a mercury thermometer, was invented by German physicist Daniel Gabriel Fahrenheit in 1724 and is a thermometer… …
