propttle="Niobium"
var propnum=14
propnme = new Array(14)
propval = new Array(14)
propunt = new Array(14)
propnme[1]="Atomic number"
propval[1]="41"
propunt[1]=""
propnme[2]="Atomic / Molecular Weight"
propval[2]="92.9064"
propunt[2]="gmol<sup>-1</sup>"
propnme[3]="Density"
propval[3]="8.57"
propunt[3]="kgm<sup>-3</sup>"
propnme[4]="Crystal Structure"
propval[4]="bcc"
propunt[4]=""
propnme[5]="Lattice constant"
propval[5]="330"
propunt[5]="fm"
propnme[6]="Melting Point "
propval[6]="2750"
propunt[6]="K"
propnme[7]="Boiling Point "
propval[7]="5173"
propunt[7]="K"
propnme[8]="Linear expansivity"
propval[8]="0.0000073"
propunt[8]="K<sup>-1</sup>"
propnme[9]="Specific heat capacity"
propval[9]="264"
propunt[9]="Jkg<sup>-1</sup>K<sup>-1</sup>"
propnme[10]="Thermal conductivity "
propval[10]="53"
propunt[10]="Wm<sup>-1</sup>K<sup>-1</sup>"
propnme[11]="Acoustic wave velocity (longitudinal bulk waves)"
propval[11]="5068"
propunt[11]="ms<sup>-1</sup>"
propnme[12]="Acoustic wave velocity (Irrotational waves)"
propval[12]="3497"
propunt[12]="ms<sup>-1</sup>"
propnme[13]="Acoustic wave velocity (Shear waves)"
propval[13]="2092"
propunt[13]="ms<sup>-1</sup>"
propnme[14]="Acoustic wave velocity (Rayleigh waves)"
propval[14]="1970"
propunt[14]="ms<sup>-1</sup>"