It was studied that the process conditions of treating fluobenzene wastewater with acidification, extraction, inorganic fluoride removal and electrocatalysis.
In treating attic cholesteatoma, atticotomy for pathology removal combined with the mastoid isolation technique for attic reconstruct-tion is a promising method.
Deforestation (disafforestation) The permanent removal of forests, especially by means of logging for commercial timber and clearing for agriculture and human settlement.
Methods Surgical procedures included removal of cranlai hema toma, contusive and necrotic brain tissues, correction of cranio?orbital defor mity,and repair of dure mater.