This allows us to calculate their age in each year from 1998 to 2015. We classify their ages into four cohorts: 16–25; 26–35; 36–45; and, over 45. Occupation: we collected detailed information about occupation, including position and industry. For example, were they a worker in a ...
The main equations used to calculate the main performance and parameters of the RO unit are listed in Table 3. Sustainability 2021, 13, 7571 9 of 40 Table 3. Main mathematical relations used in modeling the RO unit [19]. LHS * Parameter Feed mass flow rate m3/h Distillate product salt ...