US$ 86.62
dropping resistance as temperature rises and giving an introduction to temperature-dependent semiconductor sensors
and a 10x eyepiece for fine-resolution measurement in classroom and research laboratories
and specific gravity work
and material
92-Atom Molecular Model Set Subject_Physics dropping resistance as temperature risesNinety two atom molecular model set with hydrogens, carbons, nitrogens, oxygens, halogens, and gray metals at 30 50mm diameter, plus medium, long, flexible, turning, and short bonds.
US$ 86.62
US$ 65.93
US$ 150.56
US$ 52.03
US$ 148.30
US$ 153.27
US$ 132.25
US$ 41.06