担心原材料价格上涨的钢铁生产商们，也纷纷寻求冶金(或焦化)煤炭以及铁矿石等具吸引力的资源。
And steelmakers, fearful of the rising prices of raw materials, are hunting for captive sources of metallurgical (coking) coal as well as iron ore.
三聚氰胺是氨腈的三聚体。它含66%的氮（质量）并在燃烧或焦化时通过释放氮气为树脂产品提供阻燃特性。
Melamine is a trimer of cyanamide. It contains 66% nitrogen (by mass) and provides fire retardant properties to resin formulas by releasing nitrogen when burned or charred.
焦化厂苯精制的副产品-苯残渣，一般采用配入焦油中或外卖的处理方法．其中的苯类产品得不到有效回收。
Normally the by-product. benzene residue. in benzene refining in coking plant is put into tar or sold and so the benzene product in the residue cant be recovered.
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