The phrase "are not efficient to" is not a complete or grammatically correct part of a sentence.
It lacks a subject and verb, and there are some grammatical errors. Instead, you could say "are not efficient for" or "are not efficient in." These phrases mean that something is not effective or productive for a certain purpose. Example: These tools are not efficient for cutting through metal.
However, they are not efficient to localise strain across strike-slip faults in post-orogenic settings when the lower crust is already weak.
As an obvious consequence of this simple experiment, the hard decision tree structures are not efficient to exploit the continuous attributes (contextual factors), and incorporating the soft decisions in their internal nodes significantly improves their predictive capabilities.
In an environment of ever increasing drug entities with these characteristics where conventional formulation techniques are not efficient to develop poorly water-soluble compounds into drug products [1], novel approaches to overcome these factors are of great importance.
Most of the landscape metrics used in urban expansion studies are capable of reflecting the spatial characteristics for individual time points, but are not efficient to capture the integrated information from time series data.
Apparently, large pore size and culture time period are not efficient to prevent fibroblasts invasion.
Therefore, the basal data analyses are not efficient to remove potentially noisy values in type 2 experiments.
And, says the new prime minister, all governments need to review policies, and if they're not efficient, to change them.
Indeed, it is not efficient to compute V using (7) for all frequency components.
Consequently, the power limiter is not efficient to eliminate transient noise in speech [5, 7, 9].
Therefore, it is not efficient to employ a uniform interference coordination over all areas.
The Mehlich 3 extractor was not efficient to evaluate Ni phytoavailability to maize plants.
