Any process that activates or increases the frequency, rate or extent of ribosomal subunit export from nucleus.
Synonyms:
exact_synonym:
positive regulation of ribosomal subunit export from cell nucleus; positive regulation of ribosomal subunit export out of nucleus; positive regulation of ribosomal subunit transport from nucleus to cytoplasm; positive regulation of ribosomal subunit-nucleus export
related_synonym:
positive regulation of ribosome export from nucleus