Two eremophilane-type sesquiterpenoids from the rhizomes of Ligularia veitchiana(Hemsl.) Greenm were isolated and determined as 10α,11-endoperoxide-1(2)-en-7α
The catalytic activities of MnOx-WO3/TiO2 for selective catalytic reduction(SCR) of NO with NH3 were investigated in a wide range of temperature and reaction co
ZrSiO4 and coesite were obtained under high-pressure and high-temperature from the nano precursor of α-SiO2 and ZrO2. XRD and Raman measurements indicate that