The phrase 'were previously determined' is correct and usable in written English.
You can use the phrase when you want to express that something has already been decided in the past. For example: "The rules for the game were previously determined before the players arrived."
Overall polymerization rate coefficient and initiator micromixing time were previously determined.
The optimal temperature and pH for APPT production from R1 using DT-bgl were previously determined to be 80 °C and 6.0, respectively (Lee et al. 2014).
The kinetic triplets (activation energy, frequency factor and kinetic model) of these processes were previously determined using isothermal DSC and were incorporated into the simulation algorithm.
The objective of this study is to assess changes in racial/ethnic disparities in helmet use among high school students in urban jurisdictions where laws were previously determined to increase overall helmet use.
The recoveries of the 5 compounds were determined by spiking the sample (YN4) with suitable amounts (approximately 100% of the contents) of the standard compounds that were previously determined.
Ethanol concentrations were previously determined as 213 mg/dL in şalgam, 128 mg/dL in boza, and 12 mg/dL in kefir in a study by Uysal et al. (2014).
In addition, a high linear correlation has been found between the τc and spreadability and other viscoelastic parameters of the gels that were previously determined (Int. J. Pharm. (2001)).
Their ΔfG∘T values were determined by combining the Cp data with the standard enthalpies of formation at 298 K (ΔfH∘298) which were previously determined by solution calorimetry in hydrochloric acid solution.
The optimal reaction conditions were previously determined (data not shown).
CpG island methylation phenotype (CIMP) and microsatellite analysis were previously determined for these samples [19].
These values were previously determined for the high-to-high (atomic) resolution docking program MolFit [23].
