| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a resistor that only contains metallic elements which substantially exert no bad influence upon human bodies. SOLUTION: The metallic elements contained in the resistor is selected from alkali metals, Mg, Ca, Sr, Ba, Ra, Al, Si, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, In, Sn, Sb, Te, Hf, Ta, W, Re, Os, Ir, Pt, Au, Tl, Bi, Po, or lanthanoids.</p> |
