Sigma-Aldrich
Grids for transmission electron microscopy
透射电子显微镜用滤线栅
Guineensine
HALOXON
Hamilton® Polyplast lab pH electrode
Ethyl [formyl(5-nitro-1,3-thiazol-2-yl)amino]acetylcarbamate
ETHYL N-(1-(4-CHLOROPHENOXY)-2,2,2-TRICHLOROETHYL)CARBAMATE
ETHYL N-(1-ACETOXY-2,2,2-TRICHLOROETHYL)CARBAMATE
ETHYL N-(2-CHLOROETHYL)-N-ISOBUTYRYLCARBAMATE
Hastealloy® c-22
Hastelloy® X alloy, Ni49.5Cr22Fe18Mo9Co1W
Havar®-high-strength non-magnetic alloy, Co42.5Cr20Ni13FeWMoMn