Aquarium guide
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| Hyphessobrycon herbertaxelrodi |
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Hyphessobrycon herbertaxelrodi
The black neon tetra likes clear, acidic water, and sometimes seeks out shaded
areas. It will breed at 26°C in very soft water; the eggs need very dim light to
hatch. Size: 4-5 cm.
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ÂÈËÜÃÅËÜÌÈ (Wilhelmy) Ëþäâèã Ôåðäèíàíä (1812-64) , íåìåöêèé õèìèê. Èññëåäóÿ ïðåâðàùåíèå òðîñòíèêîâîãî ñàõàðà ïîä äåéñòâèåì êèñëîò, ïðåäëîæèë (1850) ìàòåìàòè÷åñêîå âûðàæåíèå äëÿ ñêîðîñòè ðåàêöèé, òåì ñàìûì çàëîæèâ îñíîâû õèìè÷åñêîé êèíåòèêè.