The phrase "areas were evaluated using" is correct and usable in written English.
It can be used when describing a method or approach taken to assess or analyze specific areas in a study or report.
Example: "In the research, various areas were evaluated using a comprehensive survey to gather data on community needs."
Alternatives: "areas were assessed with" or "areas were analyzed through".
The specific surface areas were evaluated using the Brunauer Emmett Teller (BET) method, and the pore distribution was calculated by the BJH method from adsorption branches of isotherms.
The peak position and areas were evaluated using symmetrical Gaussian Lorentzian equations (in the fraction of 70 and 30%, respectively) with a Shirley-type background.
Free vibrations of tapered rotating beam in elastic and post elastic areas were evaluated using variational principles to derive the equations of motions in the works of Das et al. (2009).
The spread of the detected viruses in sampled mosquitoes and in different sampled areas were evaluated using MLE, this index could also yield assessment of viral activity under survey epidemiological and ecological conditions.
The peak areas were evaluated using the Chromquest software (2.5.1, 1998, ThermoQuest, Egelsbach, Germany).
The fasting myocardial glucose uptake, and visceral and subcutaneous fat areas were evaluated using FDG-PET and abdominal computed tomography, respectively.
The groundwater resource carrying capacity of the irrigation areas is evaluated using the improved catastrophe evaluation method by Xiao et al. (2011).
In the first step of the approach, the main and interactive effects of three hydration variables on sorbent surface area were evaluated using a full factorial design.
Soil classification, soil amplification, natural soil predominant period, resonance phenomena and liquefaction potential of the study area were evaluated using borehole data and microtremor measurements.
The overall extraction rate coefficients defined by the product of the interfacial extraction rate constant and the specific interfacial area were evaluated using the experimental data and ranged from 3.5 × 10−3 to 6.7 × 10−3 s−1, which was close to the value of 3.4 × 10−3 s−1 obtained by batch extraction.
