calcium carbide

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cal·ci·um car·bide

blackish crystalline lumps that yield acetylene gas when in contact with water.

calcium carbide (CaC2)

a gray or black crystalline compound produced from lime and coke. When mixed with water, it yields acetylene gas (C2H2), which has been used as an anesthetic and was once used as a source of illumination in miners' lamps.
References in periodicals archive ?
Usually, gardeners collect unripe fruits and after putting them in a basket place a small amount of calcium carbide on them which increases the temperature in the basket and helps ripen the fruits,' he said.
Comparative effect of different calcium carbide based formulations on growth and yield of wheat.
Effect of different rates of paint coated calcium carbide and their interaction with cultivars on leaf area, photosynthetic rate, number of fruits per plant, early yield per plant, total yield per plant and ethylene production by young cucumber leaves (Each value is mean of 4 replications S.
Ripened artificially with calcium carbide, mangoes put you at the risk of headache, dizziness, sleep disorders and even memory loss This ( using calcium carbide) is the only way to quickly ripen mangoes.
With six major production plants in Mudanjiang and Heihe, the Group is principally engaged in the production of chemical raw materials including polyvinyl chloride (PVC), vinyl acetate (VA) and calcium carbide (CC) and subsequent supply to construction and automobile industries in China.
Effect of different rates of polyethylene coated calcium carbide on photosynthetic characteristics of tomato cultivars
Promoting health environment through enhanced nitrogen efficiency and improve crop yield using calcium carbide.
Local governments and power suppliers must cancel any ongoing favourable power prices to aluminium, ferroalloy and calcium carbide makers at a designated date, and any preferential power rates in the name of direct trade between power generators and power users but without any approvals must be halted immediately, the report said.
Between April 2004 and January 2007, the companies set prices and shared markets for calcium carbide powder and granulates as well as magnesium granulates in a large part of the European Economic Area (EEA).
Additional chemical and physical steps convert the calcium carbide into carbonated hydroxyapatite, which can then be implanted and serves as the artificial bone.
The use of calcium carbide as an alternative energy source provides improved furnace efficiency, increased furnace productivity, reduced costs and a lower carbon footprint of the EAF process, according to Dr.
The plant, owned by the Guangxi Guangwei Chemical Company, mainly produces polyvinyl acetate, calcium carbide and vinyl acetate monomer - chemicals used in making paints, adhesives and coatings, Xinhua said.