Sigma-Aldrich
Grids for transmission electron microscopy
透射电子显微镜用滤线栅
GUANIDINE P-TOLUENESULFONATE
H-B® Durac® Thermometer
Hamilton® Gastight® syringe, general use, 1000 series
ethyl ethyl(methoxy)carbamate
Ethyl N′-[(4-chlorophenyl)sulfonyl]-N-propylimidocarbamate
ETHYL N-(1-(METHYLTHIO)-2,2,2-TRICHLOROETHYL)CARBAMATE
ETHYL N-(2-CHLORO-6-METHYLPHENYL)CARBAMATE
Hansa Yellow
Hastealloy® c-22
Hastelloy® B-corrosion resistant alloy, Ni62Mo28Fe5CrMnSi
Hastelloy® X alloy, Ni49.5Cr22Fe18Mo9Co1W
Havar®-high-strength non-magnetic alloy, Co42.5Cr20Ni13FeWMoMn