waste chemical substances

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• Chemical reaction — Chemical reactions redirects here. For the 2007 television episode, see Chemical Reactions (Men in Trees). A thermite reaction using iron(III) oxide. The sparks …   Wikipedia

• waste — 1 /weIst/ noun 1 BAD USE (singular, uncountable) things such as money or skills that should be used and are not, or that are not used effectively: waste in government departments (+ of): Being unemployed is such a waste of your talents. 2 be a… …   Longman dictionary of contemporary English

• waste — waste1 W3S2 [weıst] n ▬▬▬▬▬▬▬ 1¦(bad use)¦ 2 go to waste 3 be a waste of time/money/effort etc 4¦(unwanted materials)¦ 5 a waste of space 6¦(land)¦ ▬▬▬▬▬▬▬ [Sense: 1 5; Date: 1200 1300; Origin: WASTE2] [ …   Dictionary of contemporary English

• Chemical weapons in World War I — A poison gas attack using gas cylinders in World War I. The use of chemical weapons in World War I ranged from disabling chemicals, such as tear gas and the severe mustard gas, to lethal agents like phosgene and chlorine. This chemical warfare… …   Wikipedia

• chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   Universalium

• chemical compound — Introduction  any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element).       All the matter in the universe is composed of the atoms of more than 100 different chemical elements …   Universalium

• Chemical leasing — In the chemical industry, chemical leasing is a business model in which the chemical company supplies a substance for a specific service, but retains ownership of the chemical. It is intended to shift the focus from increasing sales volume of… …   Wikipedia

• Waste pond — A waste pond or chemical pond is a small impounded water body used for the disposal of water pollutants, and sometimes utilized as a method of recycling or decomposing toxic substances. Such waste ponds may be used for regular disposal of… …   Wikipedia

• Chemical plant — BASF Chemical Plant Portsmouth Site in the West Norfolk area of Portsmouth, Virginia, United States. The plant is served by the Commonwealth Railway …   Wikipedia

• Chemical vapor deposition — DC plasma (violet) enhances the growth of carbon nanotubes in this laboratory scale PECVD apparatus. Chemical vapor deposition (CVD) is a chemical process used to produce high purity, high performance solid materials. The process is often used in …   Wikipedia

• waste — {{Roman}}I.{{/Roman}} noun 1 missing an opportunity to do/use sth ADJECTIVE ▪ absolute, complete, total, utter ▪ The whole thing has been a complete waste of time. ▪ big, colossal …   Collocations dictionary