Phosphinines of formula can be combined with metal salts to prepare hydroformylation catalysts. The basic body has a mechanical frame interface for mounting on a floor-mounted frame. A mapping circuit serves to map these physical memory address signals to logical memory address signals as required by the particular memory devices. A second annulus is formed between the second rotating pipe and the heated pipe. The secondary housing has a first portion that moves at least partially out of engagement with a second portion of the secondary housing when the secondary inflation fluid source is actuated.