其他摘要:JST has developed a WWW-based factual database system"ChemSource" and the system has been publicly available since August 1997 free of charge. The system consists of three databases inherited from JOIS-F system:Kelvin (Thermophysical and Thermochemical Property Database), Angstrom (Crystal Structure Database), and Dalton (Mass Spectrum Database). The system realized GUI-based user-friendly interface and high-grade graphics display by using JavaScript, and Java. Prior formalities are not requested to use this system. This report on"ChemSource" describes mainly its operations.