"paradoxical combination" is correct and usable.
You can use it when you are describing two seemingly contradictory ideas or elements that exist together. For example, "His speech was a paradoxical combination of comedy and drama."
Concise slogans that convey only one message seem to work better than a paradoxical combination of statements in a combined slogan.
Davies's paradoxical combination of visionary landscape composer with evergreen enfant terrible is unique.
It allows a deeply satisfying, paradoxical combination of anarchism and traditionalism, of counterculturalism and conservationism.
For Meow Meow, Weimar material appeals for its paradoxical combination of "unbelievable charisma and the grotesque.
They show the variety's seemingly paradoxical combination of simplicity and complexity.
The changes he outlines can be characterized by what he calls a paradoxical combination of "prudence and boldness".
Migrations and assimilation are two essential phenomena in Eurasian history: the widespread of the western combination through the whole continent to the Pacific coastline and the movement of the paradoxical combinations of eastern and western markers from South or Central Asia to the east and west.
Paradoxical though it sounds, a combination of higher prices and stagnant wages is actually deflationary for the economy.
Asif Sharif, currently CEO of Pedaver, has adapted SRI, conservation agriculture and organic agriculture (a combination he calls "paradoxical agriculture") to create a System of Maize Intensification (SMI) that involves raised beds and mechanization.
However, the macrophage inhibitory effects of PLX3397 treatment in combination with the paradoxical activation of wild type BRAF-expressing immune cells mediated by PLX4032 resulted in more tumor-infiltrating lymphocytes (TIL).
Both dose (or concentration) addition and independent action are able to account for saturation effects at higher effect doses and will not produce paradoxical predictions of supra-maximal combination effects such as in the example described above with 10 compounds, each inducing a 15% effect.
