wet-type collector
21roads and highways — ▪ transportation Introduction traveled way on which people, animals, or wheeled vehicles move. In modern usage the term road describes a rural, lesser traveled way, while the word street denotes an urban roadway. Highway refers to a major… …
22Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
23Activated carbon — Activated carbon, also called activated charcoal, activated coal or carbo activatus, is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface area available for adsorption or chemical reactions …
24Ernest Emerson — Infobox Person name = Ernest R. Emerson image size = 185px caption = birth date = birth date and age|1955|3|7 birth place = Northern Wisconsin, USA occupation = Knifemaker, Martial Artist, CEO spouse = Mary EmersonErnest R. Emerson (born March 7 …
25ESEM — stands for environmental scanning electron microscope. This is a scanning electron microscope (SEM) that allows a gaseous environment in the specimen chamber. Whereas all conventional microscopes operate in vacuum, the ESEM has added a new… …
26Dry cell — A dry cell is a galvanic electrochemical cell with a pasty low moisture electrolyte. A wet cell, on the other hand, is a cell with a liquid electrolyte, such as the lead acid batteries in most cars.While a dry cell s electrolyte is not truly… …
27Column chromatography — A chemist in the 1950s using column chromatography. The Erlenmeyer receptacles are on the floor. Column chromatography in chemistry is a method used to purify individual chemical compounds from mixtures of compounds. It is often used for… …
28Marillion — lors d un concert à Paris en 2005. Pays d’origine …
29battery — /bat euh ree/, n., pl. batteries. 1. Elect. a. Also called galvanic battery, voltaic battery. a combination of two or more cells electrically connected to work together to produce electric energy. b. cell (def. 7a). 2. any large group or series… …
30Battery — /bat euh ree/, n. The, a park at the S end of Manhattan, in New York City. Also called Battery Park. * * * Any of a class of devices, consisting of a group of electrochemical cells (see electrochemistry), that convert chemical energy into… …
