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You can quickly add any paper to your favourite. Cool!Slāpekļa cikls
Presentations for secondary school15
... skābumu. Slāpekļa un fosfora attiecība ūdens piesārņojuma ...
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Phosphoric Fuel Cell
Summaries, Notes for secondary school5
Resume Phosphoric acid fuel cells use liquid phosphoric acid as an electrolyte—the acid is contained in a Teflon-bonded silicon carbide matrix—and porous carbon electrodes ...
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Comparison of Total Phosphorus, Phosphate, Chlorophyll and Oxygen Concentrations in Lakes
Research Papers for university11
Comparing total phosphorus and chlorophyll concentration data, we can see that there are no big differences between our and previous data. In Lake Erken average concentration of ...
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