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  2. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    PDF's emphasis on preserving the visual appearance of documents across different software and hardware platforms poses challenges to the conversion of PDF documents to other file formats and the targeted extraction of information, such as text, images, tables, bibliographic information, and document metadata. Numerous tools and source code ...

  3. Compound File Binary Format - Wikipedia

    en.wikipedia.org/wiki/Compound_File_Binary_Format

    The CFBF file consists of a 512-Byte header record followed by a number of sectors whose size is defined in the header. The literature defines Sectors to be either 512 or 4096 bytes in length, although the format is potentially capable of supporting sectors ranging in size from 128-Bytes upwards in powers of 2 (128, 256, 512, 1024, etc.).

  4. Hyaluronidase - Wikipedia

    en.wikipedia.org/wiki/Hyaluronidase

    Four different purified hyaluronidases have been approved for use in the United States, three of animal origin and one recombinant. They are indicated as adjuvants in subcutaneous fluid administration for achieving hydration, for increasing the dispersion and absorption of other injected drugs, or for improving resorption of radiopaque agents, in subcutaneous urography.

  5. Samsung Notebook - Wikipedia

    en.wikipedia.org/wiki/Samsung_Notebook

    The Samsung Series 7 Chronos was introduced in late 2011. [26] It was later changed into Samsung Ativ Book 8 and Book 7. The Samsung Notebook 7 Spin is a 2-in-1 notebook with a 13-inch and 15-inch touchscreen and Intel Core i5 and i7 processors that were introduced in 2016. [27] In 2019, a new Notebook 7 and Notebook 7 Force models were ...

  6. Lossless compression - Wikipedia

    en.wikipedia.org/wiki/Lossless_compression

    In fact, if we consider files of length N, if all files were equally probable, then for any lossless compression that reduces the size of some file, the expected length of a compressed file (averaged over all possible files of length N) must necessarily be greater than N. [citation needed] So if we know nothing about the properties of the data ...

  7. Computer file - Wikipedia

    en.wikipedia.org/wiki/Computer_file

    A computer file is a resource for recording data on a computer storage device, primarily identified by its filename. Just as words can be written on paper, so too can data be written to a computer file. Files can be shared with and transferred between computers and mobile devices via removable media, networks, or the Internet.

  8. Hanwha TotalEnergies Petrochemical - Wikipedia

    en.wikipedia.org/wiki/Hanwha_TotalEnergies...

    Founded in 2003 as a joint venture between Samsung General Chemicals and Total (as Samsung Atofina; changed name to Samsung Total in 2004), it was sold to Hanwha in 2015. The company manufactures building block chemicals that go into the making of a host of other chemicals needed to make various consumer products .

  9. History of PDF - Wikipedia

    en.wikipedia.org/wiki/History_of_PDF

    PDF documents conforming to ISO 32000-1 carry the PDF version number 1.7. Documents containing Adobe extended features still carry the PDF base version number 1.7 but also contain an indication of which extension was followed during document creation. [21] PDF documents conforming to ISO 32000-2 carry the PDF version number 2.0, and are known ...