El Instituto Politécnico Nacional
Contribuye al desarrollo económico y social de la nación, a través de la formación integral de personas competentes; de la investigación, el desarrollo tecnológico y la innovación. Además tiene reconocimiento internacional por su calidad e impacto social.
Statistics
Total Visits
| Views | |
|---|---|
| Effect of the heavy metals Cu, Ni, Cd and Zn on the growth and reproduction of epigeic earthworms (E. fetida) during the vermistabilization of municipal sewage sludge | 763 |
Total Visits per Month
| October 2025 | November 2025 | December 2025 | January 2026 | February 2026 | March 2026 | April 2026 | |
|---|---|---|---|---|---|---|---|
| Effect of the heavy metals Cu, Ni, Cd and Zn on the growth and reproduction of epigeic earthworms (E. fetida) during the vermistabilization of municipal sewage sludge | 22 | 20 | 15 | 1 | 5 | 8 | 4 |
File Downloads
| Views | |
|---|---|
| Effect of the heavy metals Cu.pdf | 346 |
Top Country Views
| Views | |
|---|---|
| Estados Unidos | 240 |
| México | 87 |
| China | 52 |
| Canadá | 40 |
| Alemania | 21 |
| Ucrania | 13 |
| Vietnam | 13 |
| Francia | 12 |
| Italia | 9 |
| Argentina | 7 |
Top City Views
| Views | |
|---|---|
| Mexico | 76 |
| Bellevue | 32 |
| Toronto | 28 |
| Sunnyvale | 25 |
| Houston | 17 |
| White Plains | 15 |
| Woodbridge | 14 |
| Beijing | 13 |
| Hanoi | 9 |
| Kiez | 9 |