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  2. Optical character recognition - Wikipedia

    en.wikipedia.org/wiki/Optical_character_recognition

    Video of the process of scanning and real-time optical character recognition (OCR) with a portable scanner. Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and ...

  3. IBM optical mark and character readers - Wikipedia

    en.wikipedia.org/wiki/IBM_optical_mark_and...

    Model 1: Reads numeric printed data from cut sheet paper or cards. Model 2: Reads numeric printed data from cut sheet paper or cards or a 200 ft (61 m) continuous roll of paper (such as a journal tape). Model 3: Same as Model 1 but also can read OCR A front. Model 4: Same as Model 2 but also can read OCR A front.

  4. List of chemical databases - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_databases

    safety data sheets, regulation "LOLI". Mcule supplied chemicals InChI, SMILES, SDF, physichochemical properties "Mcule". 45,000,000 MediaDB Institute for Systems Biology: growth media "MediaDB". 288 Merck Index: Royal Society of Chemistry: drugs "Merck-Index". 11,500 MeSH Medical Subject Headings: US National Library of Medicine: biomedical ...

  5. Optical mark recognition - Wikipedia

    en.wikipedia.org/wiki/Optical_mark_recognition

    Three Part (Carbonless) – Three sheets are printed on one 105 gsm paper and the other two are printed on 60-70 gsm paper on A4 sheets. The bottom of the first sheet, the top and bottom of the second sheet, and the top of the third sheet are chemically treated so that the impression of the first sheet comes on the second and third sheets.

  6. Chemical file format - Wikipedia

    en.wikipedia.org/wiki/Chemical_file_format

    The worldwide Protein Data Bank [12] is an excellent source of protein and nucleic acid molecular coordinate data. The data is three-dimensional and provided in Protein Data Bank (PDB) format. eMolecules is a commercial database for molecular data. The data includes a two-dimensional structure diagram and a smiles string for each compound.

  7. Timeline of optical character recognition - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_optical...

    The free cross-platform OCR engine Tesseract is published by Hewlett Packard and the University of Nevada, Las Vegas. 2008 Application Adobe Acrobat starts including support for OCR on any PDF file. [7] 2011 Application Word-frequency lookup Google Ngram Viewer is developed to chart frequencies of words on any source printed from 1950 to 2008 ...

  8. Globally Harmonized System of Classification and Labelling of ...

    en.wikipedia.org/wiki/Globally_Harmonized_System...

    The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...

  9. Chemometrics - Wikipedia

    en.wikipedia.org/wiki/Chemometrics

    Chemometrics is the science of extracting information from chemical systems by data-driven means. Chemometrics is inherently interdisciplinary, using methods frequently employed in core data-analytic disciplines such as multivariate statistics, applied mathematics, and computer science, in order to address problems in chemistry, biochemistry, medicine, biology and chemical engineering.