Osmium造句怎么写

Studies on the Electrochemical Behaviors of the Bismuthum, Osmium, Cobaltum and Its Application;

Osmium (Os) : The densest of natural elements-twice as dense as lead-this blue-grey metal finds a home in applications where hardness and durability are essential.

Spectrophotometric Determination of Microamounts of Osmium with α, β, γ, δ-tetrakis- (4-sulphophenyl) Porphine;

The Determination of 21 Impurities in Osmium by AES

Synthesis and Characterization of Ruthenium and Osmium Complexes Containing Phosphine Ligands;