MeSH(Medical Subject Headings) 맞춤 검색 (http://www.nlm.nih.gov) 결과 : 1 페이지: 1
Humic Substances - 새창
Organic matter in a state of advanced decay, after passing through the stages of COMPOST and PEAT and before becoming lignite (COAL). It is composed of a heterogenous mixture of compounds including phenolic radicals and acids that polymerize and are not easily separated nor analyzed. (E.A. Ghabbour & G. Davies, eds. Humic Substances, 2001).
