When Pleurotus tuber-regium was cultivated on cotton waste, rice straw, cocoyam peels and sawdusts of Mansonia altissima, Boscia angustifolia and Khaya ivorensis, the highest crude protein, crude fat and carbohydrate contents in sporophores were 29.4 (M. altissima) , 1.4 (rice straw) and 61.3% (cocoyam peels), respectively. Sporophores produced on rice straw had the greatest energy value and th...

The Apollonius Circle Problem dates to Greek antiquity, circa 250 b.c. Given three circles in the plane, find or construct a circle tangent to all three. This was generalized by replacing some circles with straight lines. Viéte [Canon mathematicus seu Ad triangula cum adpendicibus, Lutetiae: Apud Ioannem Mettayer, Mathematicis typographum regium, sub signo D. Ioannis, regione Collegij Laodicens...

Chondrostoma smyrnae , a new species, from the Tahtal? reservoir drainage is distinguished by having slightly arched lower jaw with well-developed keratinised edge, deep and cylindric body, complete lateral line 47–52+1 total scales, 8–9 scale rows between dorsal-fin origin, 4 pelvic fin-origin, 19–23 gill rakers on first arch. Moreover, molecular analyses using full cyt b (1141 bp) partial coI...

This study assessed the distribution of heavy metals in gills, kidney, and liver, correlated with severity histopathological changes, three fish species different feeding habitats (Barbus barbus, Squalius cephalus, Chondrostoma nasus) from Cri?ul Negru river, Romania. The levels copper (Cu), chromium (Cr), cadmium (Cd), lead (Pb), zinc (Zn) tissues were measured by atomic absorption spectrophot...