Process Chlorine Free. contains up to 100% recycled content which is unbleached or bleached with non-chlorine compounds. Any virgin fiber used must be TCF. Since it is not possible to tell whether the recycled content had been bleached with chlorine in the past it cannot be classified as TCF.
Processed Chlorine Free. Paper produced without chlorine or chlorine compounds. As used in the market today, PCF paper is preferable because it contains recycled fibre.
Posterior Cranial Fossa. Also referred to as the Posterior Fossa. Formed by the dorsum sellæ and clivus of the sphenoid bone, the occipital bone, the petrous and mastoid portions of the temporal bones, and the mastoid angles of the parietal bones.
Product configuration file. A text file that specifies configuration choices for the POLYCENTER Software Installation utility to use in subsequent operations. For example, you can use a PCF to avoid specifying the same answers to installation questions when you have multiple installations to perform.
The PCF format is one of several X11 bitmap font formats. Architecture-specific versions of X11 use PCF files. Other architectures use one of a number of other architecture-specific formats (e.g., SNF). PCF files are used by at least the DEC versions of the X11 server. The X11 distribution for your architecture includes a program that will convert BDF files to the standard adopted for your architecture. PCF files are almost invariably created from some other source. It is unlikely that you will ever create one by hand.
Portfolio Composition File. This data file is published daily and made available to NSCC participants. For each item is contained the security holdings for one basket along with necessary cash information to create one unit.
Point Coordination Function. A class of possible coordination functions where the coordination function logic is active in only one station in a BSS at any given time that the network is in operation.