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- W2499394514 abstract "One of the first analytical instruments automated was the single crystal x-ray diffractometer. Because of the rather complex angular settings required (for each diffraction measurement 3 or 4 angles must be set with an accuracy of about 0.01-0.02°) and because of the length of the experiment (typically 24 hours per day for 2-7 days)early diffractometers were punched card-controlled or paper tape-controlled. The controlling equipment consisted primarily of electrical relays. With the advent of the minicomputer the diffractometer became computer-controlled. Early computer-controlled diffractometers were built at IBM Research (1) and at the Oakridge National Laboratory (2). Today all commercially available diffractometers are controlled by small minicomputers. With the availabilty of higher-level languages (primarily FORTRAN) and the development of some new algorithms the computer-controlled single crystal x-ray diffractometer has become a very flexible tool. A review of the algorithms for the diffractometer was presented by Sparks (3). The computer requirements for the" @default.
- W2499394514 created "2016-08-23" @default.
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- W2499394514 date "1977-06-01" @default.
- W2499394514 modified "2023-09-25" @default.
- W2499394514 title "The Minicomputer and X-Ray Crystallography" @default.
- W2499394514 doi "https://doi.org/10.1021/bk-1977-0057.ch007" @default.
- W2499394514 hasPublicationYear "1977" @default.
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