content: enzymatic degradation of finely divided wood meal (iv) hardwoods; on the impact values of new type impact test specimen; fabrication of cao-ga2o3-geo2 glass by use of image furnace; treatment of waste water from textile dyeing process (ii) effect of allophane clays as coagulant aid; enzymatic degradation of acetyl glucomannan (ii) fractionation and structure of oligosaccharides containing acetyl groups; poly(vinyl chloride) filled with glass powders (iv) dynamic mechanical properties of poly(vinyl chloride) filled with glass flakes; the crystal structure of dl-pentane-2, 4-diol as a model compound for poly(vinyl alcohol); hot-pressed silicon nitride with various lanthanide oxides as sintering additives; mechanical properties of silicon nitride ceramic composite reinforced with silicon carbide whisker; mass transport in volatilisation from a lead glass; induced optical activity of acridine orange bonded to optically active poly(methacrylic acid) by radical polymerization in the presence of chitosan; testing and evaluation methods for hardness and adhesion of coated films on surfaces