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2. Photonic-crystal fiber - Wikipedia

   en.wikipedia.org/wiki/Photonic-crystal_fiber

   Photonic-crystal fiber ( PCF) is a class of optical fiber based on the properties of photonic crystals. It was first explored in 1996 at University of Bath, UK. Because of its ability to confine light in hollow cores or with confinement characteristics not possible in conventional optical fiber, PCF is now finding applications in fiber-optic ...

3. Programming Computable Functions - Wikipedia

   en.wikipedia.org/wiki/Programming_Computable...

   Programming Computable Functions. In computer science, Programming Computable Functions (PCF) is a typed functional language introduced by Gordon Plotkin in 1977, [1] based on previous unpublished material by Dana Scott. [note 1] It can be considered to be an extended version of the typed lambda calculus or a simplified version of modern typed ...

4. Prostate Cancer Foundation - Wikipedia

   en.wikipedia.org/wiki/Prostate_Cancer_Foundation

   The Prostate Cancer Foundation ( PCF ), headquartered in Santa Monica, California, funds research into the prevention and cure of prostate cancer. [1] Several important prostate cancer discoveries made in the past 30 years have been as a result of PCF's actions, whether in funding or in coordination. These results include the development of new ...

5. Prevent Cancer Foundation - Wikipedia

   en.wikipedia.org/wiki/Prevent_Cancer_Foundation

   Funding cancer research, education and community outreach programs. The Prevent Cancer Foundation ( PCF ), formerly the Cancer Research Foundation of America or the Cancer Research and Prevention Foundation, is a United States -based charity and one of the leading US health organizations devoted to the early detection and prevention of cancer.

6. Portable Compiled Format - Wikipedia

   en.wikipedia.org/wiki/Portable_Compiled_Format

   Portable Compiled Format (PCF) is a bitmap font format used by X Window System in its core font system, and has been used for decades. PCF fonts are usually installed, by default, on most Unix -based operating systems, and are used in terminals such as xterm. PCF fonts replaced Bitmap Distribution Format due to a slight efficiency increase ...

7. Hard-clad silica optical fiber - Wikipedia

   en.wikipedia.org/wiki/Hard-clad_silica_optical_fiber

   Hard-clad silica (HCS) or polymer-clad fiber (PCF) is an optical fiber with a core of silica glass (diameter: 200 μm) and an optical cladding made of special plastic (diameter: 230 μm). In contrast to all-silica fiber, the core and cladding can be separated from each other. Due to their medium bandwidths and transmission rates of less than ...

8. Princeton Christian Fellowship - Wikipedia

   en.wikipedia.org/wiki/Princeton_Christian_Fellowship

   Murray-Dodge Hall, in which PCF has held meetings since the 1930s. [1] / 40.347940; -74.657938. The Princeton Christian Fellowship ( PCF ), formerly the Princeton Evangelical Fellowship ( PEF ), is a nondenominational Christian ministry at Princeton University whose purpose is "to help undergraduate and graduate students ... grow as believers ...

9. PCF theory - Wikipedia

   en.wikipedia.org/wiki/PCF_theory

   PCF theory is the name of a mathematical theory, introduced by Saharon Shelah ( 1978 ), that deals with the cofinality of the ultraproducts of ordered sets. It gives strong upper bounds on the cardinalities of power sets of singular cardinals, and has many more applications as well. The abbreviation "PCF" stands for "possible cofinalities ".