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The List of data references for chemical elements is divided into datasheets that give values for many properties of the elements, together with various references. Each datasheet is sequenced by atomic number .
OCR-A is a font issued in 1966 [2] and first implemented in 1968. [3] A special font was needed in the early days of computer optical character recognition, when there was a need for a font that could be recognized not only by the computers of that day, but also by humans. [4] OCR-A uses simple, thick strokes to form recognizable characters. [5]
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 ...
Chemical structures are traditionally represented using lines indicating chemical bonds between atoms and drawn on paper (2D structural formulae).While these are ideal visual representations for the chemist, they are unsuitable for computational use and especially for search and storage.
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 ...
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.
The Chemical Database Service [1] is an EPSRC-funded mid-range facility [2] that provides UK academic institutions with access to a number of chemical databases. [3] [4] It has been hosted by the Royal Society of Chemistry since 2013, before which it was hosted by Daresbury Laboratory (part of the Science and Technology Facilities Council).
Oxford, Cambridge and RSA Examinations [2] (OCR) is an examination board which sets examinations and awards qualifications (including GCSEs and A-levels). It is one of England, Wales and Northern Ireland's five main examination boards. OCR is based in Cambridge, with an office in Bourn, Coventry.