algae has definitions from the fields of biology,botany
1
[ noun ] (biology,botany) primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves

Synonyms

alga

Used in print

(Ross E. McKinney and Howard Edde, "Aerated...)

It was possible to maintain aerobic conditions in the pond by regular additions of sodium_nitrate until the temperature decreased and the algae population changed from blue-green to green_algae .

At no time were algae found in the mixed liquor .

Microscopic examination of the effluent showed that minimum BOD occurred when the algae began to decrease with cold_weather .

When the algae began to build_up again , the effluent BOD rose .

During the two_weeks when the algae disappeared from the effluent BOD 's in the effluent were 18 and 16 mg / l .

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