These systems are based on the tandem operation of two catalysts, one for transfer-dehydrogenation and one for olefin metathesis.
2.
The McKees, who have spent most of their sailing lives on small craft-- the 49er-class boat in Sydney was a tandem operation on a 18-foot, keel-less hull that was otherwise nearly all sail-- were dazzled by the scope of the 80-foot hulls ( requiring a crew of 16 ) as well as the logistics of a Cup challenge.
मोबाइल