'raise the efficiency of' is correct and can be used in written English.
You can use it when discussing ways to increase effectiveness or the productivity of a process. For example, "We need to look for ways to raise the efficiency of our production process in order to stay competitive."
Second, even to the extent that trade liberalization would raise the efficiency of the world economy, it is not, repeat not, a route to overall job creation.
It recently rolled back a last-minute standard from the Clinton administration to raise the efficiency of central air-conditioners by 30percentthethe new administration picked 20percentt instead.
If the stockmarket were allowed to bring the two together, it could, through better allocation of capital, both raise the efficiency of the economy and help maintain its growth rate.
Like the older diabatic plants, Adele would use salt cavern compressed air storage — its planners are focusing on a suitable site near Stassfurt, a city in the state of Sachsen-Anhalt — but the consortium says the addition of the ceramic-concrete heat storage units should raise the efficiency of the whole system to above 60 percent.
Minimum efficiency performance standards (MEPS) are an important policy instrument to raise the efficiency of products.
In conjunction to this, a considerable amount of researches has been made, in view of developing a good mechanism to raise the efficiency of TCP performance.
Mechanistically, the tangent and rotational inlet turbulent flow can accelerate the diffusive process of mass and heat, reduce the boundary layer thickness of temperature and concentration and wash the membrane surface so as to improve the temperature and concentration polarization near the membrane surface and to raise the efficiencies of mass and heat transfer.
Compared to a flat tariff, the reasonable block tariff structure generates more efficient allocation of cross-subsidies, better incentives for raising the efficiency of electricity usage and reducing emissions from power generation, which also supports the living standards of low income households.
This has raised the efficiency of every step of drug development but it has not yet improved the success rate.
Hybrids, plug-in hybrids and battery-electric vehicles are only part of the solution to raising the efficiency of the nation's vehicle fleet, however.
Hot-blast stove, apparatus for preheating air blown into a blast furnace, an important step in raising the efficiency of iron processing.
