complexation 第1页

EFFECTS OF COPPER AND FULVIC ACID ON THE GROWTH OF GREEN ALGAE EVALUATING THE MOLECULAR WEIGHT AND CHARACTERISTICS OF \=HUMIC ACIDS GRADATIONS USING GEL FILTRATION \=AND RADIOISOTOPE TRACER TECHNIQUE Complexation characteristics of humic acids with Fe2+ and their fractions from soil with different fertilization Ⅱ- The complexation of humic acid fractions with Fe2+ null