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nitrogen makes up the major portion of the atmosphere ( % by volume, % by weight). gaseous nitrogen is inert, colorless, odorless, tasteless, nontoxic, noncorrosive, and nonflammable. nitrogen is inert and will not support combustion; however, it is not life supporting. nitrogen is inert except when
combines with some of the more active metals, such as lithium and magnesium, to form nitrides. it will also combine with oxygen to form oxides of nitrogen and when combined with hydrogen in the presence of catalysts, will form ammonia. since gaseous nitrogen is inert, special materials of construction are not...
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. yizheng city east chain transmission co., ltd. and yizheng city pingsheng machine making factory produce precision roller chains, leaf chains, hinge type flattop chains, inverted tooth chains, conveyor chains and other special-purpose chains, which are widely used in motorbikes, textiles, food, tobacco
, beers, building materials, metallurgy, water conservancy industries, and have been widely and well recieved among customers nationwide. upholding the tenet of "quality first, customer foremost and honest", we offer you quality services. contact us tel: - - ; - fax: - - e-mail: web site: add: room ,...
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