Cov Qauv Tshwj Xeeb rau Copper-Nickel-Zinc Alloy (Nickel Silver) thiab Copper-Nickel Rod thiab Bar1
Tus txheej txheem no tau tshaj tawm nyob rau hauv kaum tsib lub npe B 151/B 151M; tus lej tam sim ntawd tom qab kev teeb tsa qhia xyoo ntawm kev lees paub thawj zaug lossis, thaum hloov kho, xyoo ntawm kev hloov kho zaum kawg. Ib tus lej hauv kab ntawv qhia lub xyoo ntawm kev pom zoo zaum kawg. Ib tsab ntawv sau loj epsilon (e) qhia txog kev hloov kho txij li hloov kho zaum kawg lossis rov pom zoo. Tus txheej txheem no tau pom zoo siv los ntawm cov koom haum ntawm Lub Tsev Haujlwm Saib Xyuas Kev Ruaj Ntseg.
