首页>
外国专利>
Prevention of Coal Dust Explosions in Coal Mines.
Prevention of Coal Dust Explosions in Coal Mines.
展开▼
机译:预防煤矿中的粉尘爆炸。
展开▼
页面导航
摘要
著录项
相似文献
摘要
4227. Warr, W. Feb. 20. Dust-laying compositions.-A mucilage prepared from seaweed by heating with water which may contain an alkali, such as sodium carbonate, is used to bind the dust and prevent explosions in coal-mines. A hygroscopic salt such as calcium chloride, and, according to the Provisional Specification, an antiseptic, may be added. The mucilage is applied by spraying.
展开▼