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It has not been possible, in the space at our disposal, to discuss more than a few of the many and wide fields of surface structure study into which high-speed electron diffraction is entering. Already, at the tenth anniversary of G. P. Thomson’s first experiments in 1927, the new technique is being successfully applied to such varied surface problems as thermionic and photoelectric emission, conduction...
Data Base Management Systems (DBMS) were the catalyst for the myriad of database applications that exist today. The advantages gained through their introduction can clearly not be overstated. Further the use of database languages such as SQL allow for simple and efficient interaction with such systems. However, when embedded into dedicated application code the development costs involved, for many...