The phrase "and was calculated by" is correct and usable in written English.
It can be used when describing a process or method by which a particular value or result was determined, often in a scientific or mathematical context.
Example: "The total cost of the project was calculated by the finance team using the latest budget data."
Alternatives: "and was determined by" or "and was computed by".
The variable Z is this dimension and was calculated by Eq. 1.
The dissolution rate was increased by reducing the particle size and was calculated by the Noye–Whitney equation.
The flexural stiffness was compared through the secant stiffness (K) under a yield load and was calculated by Eq. (7).
The percentage of protection against abdominal writhing was used to assess the degree of analgesia and was calculated by using the formula given below [14].
The overall MSSS score ranges from 0 to 21 and was calculated by adding scores ranging from 0 to 3 for each of the 7 headache features assessed.
Normalized data is presented as a percentage and was calculated by dividing treated femur values by the contralateral untreated femur values.
Temperature rate was defined as Δ°C/min and was calculated by subtracting consecutive readings and dividing by time (2 min).
So, the slope of the graph actually equaled to the dye extinction coefficient (ε × 1 = ε) and was calculated by least square method.
The analyte was considered stable if the % change is less than 15, as per US FDA/EMEA guidelines and was calculated by using the following formula: %kern0.5em mathrm{change}kern0.5em =kern0.5em left[frac{S}{F}-1right]kern0.5em times kern0.5em 100.
Mean CBF in whole-brain gray matter was 33.1 ± 5.1 mL/100 g/min and was calculated by averaging CBF in 13 cortical and subcortical gray matter ROIs extracted from the AAL atlas.
The relative abundance of gadB2 mRNAs was quantified based on the cycle threshold (Ct) value and was calculated by the (2^{{ - Delta Delta C_{t} }}) method (Livak and Schmittgen 2001).
