Effects of major operating variables such as the transmembrane pressure, feed flow rate and operation time were investigated.
Questions on climate and weather included herders' perception on long-term changes on major climatic variables such as rainfall pattern, temperature and winds.
The effects of major process variables such as feed wastewater flow rate, COD concentration and loading rate on COD removal performances of both reactors were evaluated.
A sequencing batch reactor was established to investigate the effects of major processing variables, such as SRT and HRT, on system performance.
Performance of the reactor was investigated as function of major operating variables such as the feed TCP and COD concentrations and A/ Q(biofilm surface area/feed flow rate) ratio.
Effects of major operating variables such as the feed TCP and COD concentrations and A/ Q(biofilm surface area/feed flow rate) ratio on the performance of the biofilm reactor were investigated.
Effects of major operating variables such as the feed 4-CP and COD concentrations and A/ Q(biofilm surface area/feed flow rate) ratio on the performance of the biofilm reactor were investigated.
A tribo-test method that incorporates major interacting variables such as surface expansion, interface temperature, sliding velocity, pressure, etc. is introduced to evaluate the performance of lubricants in cold forging.
A Box Behnken statistical experiment design method was used to investigate the effects of major operating variables such as initial arsenate concentration (10 1000 μg L−1), coagulant dose (0.5 60 mg L−1) and pH (4 9) were investigated.
Effects of major process variables such as COD loading rate, specific biofilm surface area, number of tubes and the rotational speed (rpm) on COD removal performance of the reactor was investigated.
