The dissolved organic matter (DOM) with high mobility and reactivity plays a crucial role in soil. In this study, the characteristics and phytotoxicity of DOM released from the hydrochars prepared from different feedstocks (cow manure, corn stalk and Myriophyllum aquaticum) under three...

The incorporation of transition metal elements is an effective route to enhance the photocatalytic properties of semiconductors. Tin oxide (SnO2) has a wide band gap of 3.6 eV, which inhibits its applications as visible-light photocatalysts. In this work, niobium-modified SnO2 quantum dots...

The decades-long history of friendly relationships in both countries bore the fruits in the form of the Pakistan–China free-trade agreement (PCFTA) in 2006. This paper aims to estimate Pakistan’s bilateral trade potential with China by employing the gravity model of trade in a panel data set...