Sigma-Aldrich
Nickel/Chromium
Nickel/Iron
镍/铁
NICOTINIC ACID (1-(4-HEXYL-PHENYL)-ETHYLIDENE)-HYDRAZIDE
NICOTINIC ACID (2-TRIFLUOROMETHYL-BENZYLIDENE)-HYDRAZIDE
NICOTINIC ACID (4-ISOPROPYL-BENZYLIDENE)-HYDRAZIDE
NICOTINIC ACID NAPHTHALEN-1-YLMETHYLENE-HYDRAZIDE
Niobium nitride
Niobium-zirconium alloy, Nb99Zr1