columbium

n.

铌；

Columbium powder and method of making the same
THE COLUMBIUM-OXYGEN EQUILIBRIUM IN LIQUID IRON
Process for producing tantalum and columbium powder
Systems Titanium-Molybdenum and Titanium-Columbium
INVESTIGATION OF NEW COLUMBIUM-BASE ALLOYS. EQUIPMENT USED. FIRST RESULTS OBTAINED
Acute toxicity of zirconium, columbium, strontium, lanthanum, cesium, tantalum and yttrium.
Hydrogen embrittlement: a resistometric study of niobium (columbium)--hydrogen alloys
Third‐Order Elastic Constants of Single‐Crystal and Polycrystalline Columbium
Phase Relationships in the Binary Systems of Nitrides and Carbides of Zirconium, Columbium, Titanium, and Vanadium
Investigations on the Binary Systems of Boron with Chromium, Columbium, Nickel, and Thorium, Including a Discussion of the Phase "Ti...