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  2. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

  3. Nanoparticle - Wikipedia

    en.wikipedia.org/wiki/Nanoparticle

    Nanoparticles have different analytical requirements than conventional chemicals, for which chemical composition and concentration are sufficient metrics. Nanoparticles have other physical properties that must be measured for a complete description, such as size, shape, surface properties, crystallinity, and dispersion state. Additionally ...

  4. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    Microsoft compressed file in Quantum format, used prior to Windows XP. File can be decompressed using Extract.exe or Expand.exe distributed with earlier versions of Windows. After compression, the last character of the original filename extension is replaced with an underscore, e.g. ‘Setup.exe’ becomes ‘Setup.ex_’. 46 4C 49 46: FLIF: 0 flif

  5. PDF/A - Wikipedia

    en.wikipedia.org/wiki/PDF/A

    PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...

  6. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    While MS-DOS and NT always treat the suffix after the last period in a file's name as its extension, in UNIX-like systems, the final period does not necessarily mean that the text after the last period is the file's extension. [1] Some file formats, such as .txt or .text, may be listed multiple times.

  7. List of filename extensions (A–E) - Wikipedia

    en.wikipedia.org/wiki/List_of_filename_extensions...

    Broker Archive. Compressed file containing number of other files for deployment. [24] IBM App Connect BAS: BASIC language source QuickBASIC - GW-BASIC - FreeBASIC - others BAT: Batch file MS-DOS, RT-11, DOS-based command processors BDF: Glyph Bitmap Distribution Format, a format used to store bitmap fonts. Adobe: BDT: Behandlungsdatentransfer ...

  8. PDF (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/PDF_(disambiguation)

    PDF (gene), a gene that in humans encodes the enzyme peptide deformylase; Palladium fluoride (PdF), a series of chemical compounds; Parton distribution function, in particle physics; Peak draw force, in a compound bow in archery; Percival David Foundation of Chinese Art; Pigment dispersing factor, in biology; Planar deformation features, in geology

  9. Nanosphere lithography - Wikipedia

    en.wikipedia.org/wiki/Nanosphere_lithography

    Polystyrene nanoparticle coating done with the Langmuir-Blodgett method. Langmuir-Blodgett is a deposition method in which the nanoparticles are placed in a Langmuir-Blodgett Trough floating on an aqueous solution, forming a monolayer. With the help of barriers and surface pressure sensor, the particles are compressed into the desired packing ...