Nickel-beryllium-titanium alloy, Ni97.5Be1.95Ti0.5

Nickel-chromium alloy, Ni80Cr20

尼古丁相关化合物E, Nicotine Related Compound E

Niobium (Nb) standard solution

Nitrofural for peak identification A

呋喃西林

Norgren^® 过滤器, Norgren^® Filter

NovaSeal端盖夹管，1/2 英寸内径 x 3/4 英寸外径, NovaSeal End cover pinch pipes, 1/2 in. ID x 3/4 in. OD

NovaSeptum^® Autoclavable Bag

NovaSeptum^® High Purity Unit

NOX1 Inhibitor, ML171-CAS 6631-94-3-Calbiochem

尼龙膜，带正电子, Nylon Membranes, positively charged