Hidrológiai Közlöny 1990 (70. évfolyam)

4. szám - Refuznyiki - Ismétlődik a történelem? - Nemere Péter és Lorberer Árpád vitája - Gátak az algáknak? - Tudományos IPI-APACS

Ara: 50,—Ft CONTENTS 193 Vágás, /.: Imre Dégen (1910—1977), leading engineer of water affairs 198 Karászi, K.: Reflections on the policy and philosophy in the water sector 206 Juhász, £.: Common problems in the treatment and disposal of sewage sludge 211 Boda, ].: Treatment and disposal of the sewage sludges and ligmid communal wastes at Kaposvár 215 Csaba, L.: Sludge conditioning and recycling 219 Czencz, F.: Land disposal of sludge from the Kaposvár sewage treatment plánt 223 Bodnár, I.: Recycling of composted communal sludge—slude manure — on farmlands 226 Szigyártó, Z.: Derivation of the Saint Venant's equation from the Navier—Stokes equation 230 Abdullah Haj Soliman: Data on the settlement of suspensions with special regard to the initial concentration 239 Faludi, G.: Reflexions on the ethical aspects of environmental protection 242 News 244 Obituary 245 Refusniki: Sálon des Refusces of the Gabcikovo—Nagymaros Debate