Nano-sized γ-alumina(γ-Al2O3)was first prepared by a precipitation method.Then,active component of cobalt and a series of alkalineearth metal promoters or nic
With a new apparatus designed and assembled by ourselves,the matrix potential of non-saturated loess was firstly measured and studied during methane hydrate for
The Cu2O/SiC photocatalyst was obtained from SiC nanoparticles(NPs)modified by Cu2O.Their photocatalytic activities for reducing CO2 to CH3OH under visible ligh