trivalent

adj.

三价的；

trivalent chromium三价铬

Electronic Energy Levels in the Trivalent Lanthanide Aquo Ions. I. Pr3+, Nd3+, Pm3+, Sm3+, Dy3+, Ho3+, Er3+, and Tm3+
Comparative toxicity of trivalent and pentavalent inorganic and methylated arsenicals in rat and human cells
Live Attenuated Influenza Vaccine, Trivalent, Is ...
Behavior of chromium in soils, 1: Trivalent forms.
Immunization with trivalent inactivated influenza vaccine in partially immunized toddlers.
Behavior of Chromium in Soils: I. Trivalent Forms
Hole traps and trivalent silicon centers in metal/oxide/silicon devices
Novel materials doped with trivalent lanthanides and transition metal ions showing near-infrared to visible photon upconversion
Systematic behaviour in trivalent lanthanide charge transfer energies
Synthesis and Fluorescence of Some Trivalent Lanthanide Complexes