M. N. Musayev

Biolilter (biological filter) — construction intended for biological treatment i il wastewaters constructed on a principle of gradual transportation of masses heing cleaned through a strata of a filtering material covered with an active microhiological film, or through a space taken by an . n iilicially created community of organisms — "purifiers" (e.g., canes).

Biotsenoz [yun. bios — hayot, koinos — umumiy] — o'simliklar, zamburug'lar, hayvon va mikroorganizmlaming o‘ziga xos tarkibga hamda o‘zaro va atrof-muhit bilan bo‘lgan munosabatiaiga ega majmuasi. Atama K. Myobius tomonidan 1877-y. kiritilgan. Odatda, B. bir biogeotsenoz va bir biotopga tegishliligi nazarda tutiladi.