Nanosized NaY crystals have been prepared from metakaolin and sodium silicate by confined space synthesis with starch additive.It is found that the product has
The Pt/C catalyst was prepared with solid phase reaction method (Pt/C(S)) for the first time. Its performances were compared with that prepared by the tradition
Two new spirostanol glycosides named agamenoside A and B, were isolated from the fcrmcnted leaves of Agave americana. Their structures were elucidated as (23S,