In the carbonizingprocess, the wool cloth is treated with dilute sulfuric acid, dried, and then heated until the impurities are converted to carbon.
在碳化过程中，毛织物由稀硫酸处理、烘干，然后升温直至不纯物质全部碳化。
2
The morphological struture of the rayon fibers during oxidizing and carbonizingprocess has been examined using optical and electron microscope technique.
使用光学和电子显微镜技术研究了纤维在氧化和碳化过程中的形态学结构。
3
Coal tar pitch is a necessary raw material for smelting Aluminium and carbonizingprocess, its qualities direct affect technical and economical indexes of products.