Activated charcoals have been prepared from the weed like Argemone mexicana L. by using chemical activating agents like Zinc Chloride, Ortho Phosphoric Acid, etc.
Forfeiting our commons
The Lancet’s Series on Maternal and Child Undernutrition
President Obama's grand climate plan does not add up
Climate change can no longer be ignored
NGO demands withdrawal of Niyamgiri gram sabha notificatio