Англо-русский экономический словарь.
Wood pulp — is a dry fibrous material prepared by chemically or mechanically separating the fibers which make up wood. Pulp can be either fluffy or formed into thick sheets. The latter form is used if the pulp must be transported from the pulp mill to a… … Wikipedia
Paper pollution — The production, use and recycling of paper has a number of adverse effects on the environment which are known collectively as paper pollution. Pulp mills contribute to air, water and land pollution. Discarded paper is a major component of many… … Wikipedia
Bleaching of wood pulp — is the chemical processing carried out on various types of wood pulp to decrease the color of the pulp, so that it becomes whiter. The main use of wood pulp is to make paper where whiteness (similar to but not exactly the same as brightness ) is… … Wikipedia
Pulp (paper) — Fibres in wood pulp Pulp is a lignocellulosic fibrous material prepared by chemically or mechanically separating cellulose fibres from wood, fibre crops or waste paper. Wood pulp is the most common raw material in papermaking. Contents … Wikipedia
Alternating group — In mathematics, an alternating group is the group of even permutations of a finite set. The alternating group on the set {1,..., n } is called the alternating group of degree n , or the alternating group on n letters and denoted by A n or Alt( n… … Wikipedia
