The phrase "exerted significant efforts" is correct and can be used in written English.
An example sentence is: She exerted significant efforts to make sure the project was completed on time.
The hydrocarbon expulsion efficiency is the key parameter for predicting conventional oil and gas resources; therefore, since the 1960s, many geochemists have exerted significant effort to explore the mechanisms and efficiency of hydrocarbon expulsion from hydrocarbon source rocks.
Despite its riches, the company exerts significant effort to control regulation of its operations, the drivers who power it, and even the language used to talk about ride-sharing.
Relative to the case of a single supervisor, hierarchical supervision entails incurring twice the fixed cost (gamma _{0}, ) so by the convexity of the cost function (8) it will only be optimal when both supervisors have an incentive to exert significant effort.
The treatment atmosphere exerted significant effects on the catalytic performance.
Later, during the 2000 election, BP exerted significant influence over politics through its campaign contributions.
Multilevel moderated serial mediation analyses revealed that time pressure and emotional dissonance, but not planning and decision-making, exerted significant serial indirect effects on ego depletion via state anxiety and self-control effort.
They also exerted significant control over the city's budget.
Stade, for their part, exerted significant pressure in the first-half without ever threatening to breach the Toulouse line.
TCFE exerted significant antioxidant activities against various free radicals.
Various ILs exerted significant but different effects on the bioreduction.
