filter retention
31Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… …
32animal — animalic /an euh mal ik/, animalian /an euh may lee euhn, mayl yeuhn/, adj. /an euh meuhl/, n. 1. any member of the kingdom Animalia, comprising multicellular organisms that have a well defined shape and usually limited growth, can move… …
33Dam — This article is about structures for water impoundment. For other uses, see Dam (disambiguation). Hoover Dam, a concrete arch gravity dam in Black Canyon of the Colorado River. Lake Mead in the background is impounded by the dam …
34Paper chromatography — Chromatography jar Classification Chromatography Other techniques Related Thin layer chromatography Paper chromatography is a …
35Filteranlage (Entwässerung) — Filteranlagen dienen einerseits zum Umweltschutz, andrerseits zur Minderung des Energieverbrauchs oder für wirtschaftlicheren Betrieb von Anlagen. Man unterscheidet zumindest: Filterung von Luft bzw. von Abluft Reinigung von Verbrennungs und… …
36Size-exclusion chromatography — Equipment for running size exclusion chromatography. The buffer is pumped through the column (right) by a computer controlled device Acronym SEC Classification Chromatography Analytes …
37AOL — For other uses, see AOL (disambiguation). AOL Inc. Type Public company Traded as NYSE: AOL …
38Usenet — A diagram of Usenet servers and clients. The blue, green, and red dots on the servers represent the groups they carry. Arrows between servers indicate newsgroup group exchanges (feeds). Arrows between clients and servers indicate that a user is… …
39motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
40Wetland — For other uses, see Wetland (disambiguation). The Florida Everglades massive wetland system in the United States saw 1.7 billion gallons of fresh water flushed from it daily and pumped into the ocean following one of the most successive water… …
