In view of the importance of gas-liquid two-phase spiral flow and the few research reports at home and abroad,the gas-liquid two-phase spiral flow patterns have
<正>On October 15, 2012 the construction of SINOPEC’s key science and technology project–a 200 kt/a unit for methylation of toluene with methanol was complete
The spin-polarized MS-Xα method is employed to study the electronic structure and the magnetic property of the SmCo5 compound.According to the calculated resul
The Tb3+ ion was introduced in the TbxEu1-x(BSA)3phen as a bridge to make the energy transfer process from ligand to the Eu3+ complex more efficient. The charac