Triads

n.

三个一组，三幅一组，三和音( triad的名词复数 )；

Catalytic triads and their relatives
From ruthenium to iridium : 15 years of triads based on bis-terpyridine complexes
Carbohydrate recognition systems: functional triads in cell-cell interactions.
Allowing for Missing Parents in Genetic Studies of Case-Parent Triads
From Ruthenium(II) to Iridium(III): 15 Years of Triads Based on Bis‐terpyridine Complexes
Supplier–supplier relationships in buyer–supplier–supplier triads: Implications for supplier performance
Methods for detection of parent-of-origin effects in genetic studies of case-parents triads
Alkyne-substituted homo- and heterometallic carbonyl clusters of the iron, cobalt and nickel triads
Modulating Charge Separation and Charge Recombination Dynamics in Porphyrin−Fullerene Linked Dyads and Triads:  Marcus-Normal vers...
Derivation of 3D coordinate templates for searching structural databases: application to Ser-His-Asp catalytic triads in the serine ...