The phrase "a powerful and practical" is correct and usable in written English.
It can be used to describe something that is both effective and useful in a specific context.
Example: "The new software offers a powerful and practical solution to our data management issues."
Alternatives: "an effective and useful" or "a strong and functional".
This approach provides a powerful and practical tool for construction of a zoom structure.
Surface mechanical attrition treatment (SMAT) is a powerful and practical method to surface-harden metals and alloys through the generation of a gradient nanostructured surface.
SASS therefore provides design practitioners with a powerful and practical tool which can be used as a black-box optimizer without the need for detailed knowledge of optimization algorithms.
Helping young people to critically analyse the media they consume, from Photoshop to the portrayal of sexual violence, would be a powerful and practical way to arm students against the body image pressure and hyper-sexualisation that forms the wallpaper to their daily lives.
They can be used as a powerful and practical way of following the latest scientific developments.
We conclude that CARA is a powerful and practical approach to cope with the intense traffic requirements of modern UEs.
Since the frequency response function (FRF) sensitivity method was first proposed [26], it has since become a most powerful and practical method for analytical model updating.
This was especially so given that, in the absence of any other standardized national or provincial guidelines at the time, the PALSA PLUS guideline functioned as a very powerful and practical manifestation of the Free State's ART programme.
And when scientists die, it can have a powerful emotional and practical effect on those around them.
Recently, in order to overcome the technical bottlenecks and limitations with regard to both steps, nanoparticle engineering based on particles' unique physico-chemical and mechanical properties has been extensively applied as a powerful analytical and practical tool.
The protein-centric approach we employed is a relatively simple, yet powerful and practical, approach to integrate and navigate diverse sets of omics data in a manner useful for systems biology.
