Although understood differently in different parts of the world, conservation tillage usually includes leaving crop residues on the soil surface to reduce tilla
We offer an intrinsic theoretical framework to reveal the inner relationships among three theories for Euler we consider the Gauss-Bonnet-Chern (GBC) form imbed
The interannual variability in typhoon landfalls over China is investigated using historical and modern records. For the purpose of substantiating and elaborati