9 Scientific apparatus and instruments, namely, differential thermal analysis apparatus; scientific apparatus and instruments, namely, differential scanning calorimetry apparatus; scientific apparatus and instruments, namely, electron probe microanalysis apparatus for phase identification and determination of phase constitution, not for medical purposes; scientific apparatus and instruments, namely, x-ray diffraction apparatus, not for medical purposes; scientific apparatus and instruments, namely, scanning electron microscopes and transmission electron microscopes; scientific apparatus and instruments, namely, atom probe tomography apparatus, not for medical purposes; scientific apparatus and instruments, namely, high energy x-ray diffraction apparatus; calculating machines, data processing equipment, and computers; downloadable computer software for predicting materials properties in the field of computational materials engineering; material testing apparatus, namely, scales and Vickers hardness testers; machines for testing the tensile and torsion strength of metals; analytic computer software, namely, downloadable computer software for predicting materials properties in the field of computational materials engineering; computer databases, namely, electronic database in the field of computational materials engineering recorded on computer media