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Landolt–Börnstein
Landolt–Börnstein is a systematic and extensive data collection in all areas of physical sciences and engineering published by Springer Science+Business Media. Originally, the project started with the first work published in 1883 by the physicist Hans Heinrich Landolt and the chemist Richard Börnstein. Currently Landolt–Börnstein includes more than 180,000 pages in 55,000 online documents. Besides, it offers 120,000 figures, more than 1 million literature references and 65,000 keywords to ease the direct access for users. Landolt–Börnstein also lists more than 72,000 element systems, 150,000 chemical substances, more than 530,000 substance-property pairs and nearly 1,5 million synonyms.
==Springer Materials==
Springer Materials is one product offered through Landolt–Börnstein. It describes itself as "the worlds largest resource database for physical and chemical data in material science". It consists of 250,000 Substances & Material Systems | 3,000 Properties | 1,200,000 Literature Citations. It is a tool used by engineers and researchers can use to arrive at results previously found manually. For instance, an engineer needs to improve the corrosion resistance of car bodies: Steels coated with Al-Fe-Zn layer. With the software an engineer selects the components from the periodic table. Available content is shown, one needs to refine the results as per the need. Phase diagrams and crystallographic data of the chosen composition is displayed. To derive this conventionally was always considered a herculean task.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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