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Freeze-thaw (FT) cycles occur annually in soils of mesic and frigid temperature regimes. FT has profound impacts on soil aggregates yet is often difficult to document in field settings. As a result, laboratory-based FT experiments are widely used, albeit with their own limitations. Both laboratory and field-based research indicates that aggregate properties vary with rates of freezing and thawing...
Polisacharydy zawarte w pyłku chryzantem ekstrahowano wodą i wytrącano przy użyciu alkoholu. Cukier o charakterze obojętnym i 2 cukry o charakterze kwasowym rozdzielono, stosując chromatografię jonowymienną. Skład monosacharydów oznaczono metodą wysokosprawnej chromatografii cieczowej. Działanie przeciwnowotworowe polisacharydów oceniano, badając ich wpływ na proliferację komórek nowotworowych. Hamowanie...
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