The production and use of carbon black workers, such as long-term sucked sootdust can produce carbon black pneumoconiosis.
生产和使用碳黑的工人,如长期吸人碳黑粉尘可发生碳黑尘肺。
2
The paper introduces technical flow of making brick from sootdust. This is the most widespread application of sootdust in construction industry.
本文介绍粉煤灰在建筑行业中最广泛的应用——制砖的工艺流程及性能。
3
A major disadvantage of coal combustion-and characteristic of industrial cities-has been air pollution by soot, dust, ash, exhaust and large amounts of the greenhouse gas carbon dioxide.