The phrase "a practical importance for" is correct and usable in written English.
It can be used when discussing the significance or relevance of something in a practical context.
Example: "The research findings have a practical importance for improving educational methods in underprivileged areas."
Alternatives: "a practical significance for" or "a practical relevance to".
Developing an understanding of the KIR genes present in this species and an overall assessment of KIR genetic diversity is a matter of practical importance for the use of macaques as a model for KIR function.
With EPA taking the lead, the agencies are also trying to draw bright lines on a matter of practical importance for bureaucrats and landowners: exactly what kinds of waters should be routinely regulated (headwater streams are one important group that qualifies) and which must still be evaluated on a case-by-case basis (seasonal playa lakes, for example).
Prediction of thermophoretic migration of particles suspended in a fluid is of practical importance for many industrial applications including gas cleaning applications.
Differences related to shouldering and inactivation rates for cells grown in different conditions may have important and practical importance for estimating inactivation of L. monocytogenes.
Methods for learning the structure of a regulatory network from one or a few short time course experiments are of great practical importance for uncovering a condition-specific GRN.
The control of these flow induced vibrations is of paramount practical importance for a wide range of designs.
The failure in "quasibrittle" microstructural systems, occurring with no early warning, is a debated problem of great practical importance for the structural engineering community.
Among the other non-metallic elements sulfur doping displays a significant scientific interest and practical importance for the enhancement of TiO2 photocatalytic properties [31, 32].
Now, with the specter of nuclear terrorism very real, and high on the minds of every American since 9/11, this effort is a matter of the highest practical importance for our own national security.
Studying on the algorithm for network design problems is of considerably practical importance for the engineering practice of transportation planning.
