Synthesis of nanostructured cubic phase SnO 2 thin film and its trace-level sensing of CO gas This study presents a cubic phase SnO 2 thin film gas sensor with ultra-high CO sensitivity and 1 ppb ...

India's cabinet on Friday permitted the export of coal as the country's power plants have a surplus, information minister Ashwini Vaishnaw said. Energycategory· ago Russia's seaborne fuel exports fall ...