Effects of polyvinylamine prepared by basic hydrolysis of poly(N-vinylformamide) on paper strength, drainage and retention of reed pulp and wheat straw pulp were investigated.
The changes in chemical structure of residual lignin in reed kraft pulp after treatment with a white rot fungus,Panus conchatus have been investigated in the present paper.
And then Simon saw that what she had cradled, that which now dangled from an outflung hand, was a doll… a doll made from reeds and leaves and twining stems of grass.