Single quantum wells(SQWs)of GaAs/Al<sub>x</sub>Ga<sub>1-x</sub>As have been investigated as photoelectrodesin photoelectrochemical cells.Structured photocurrent
A vacuum heating operation at 623 K on the surfaces of SiO<sub>2</sub>-supported promoted ca-talysts makes it possible to reveal the electron transfer from Co a
The reaction of m-dimethoxybenzene with crotonic acid in the presence of PPA affords anunexpected compound,which has been proved to be a dimer by H-NMR and MS.T