highly significantp < 0.001
At a 4% concentration level of NaOH, the tensile strength of fibres gradually increased with an increase in temperature, which became highly significant ( p < 0.001) between 70° and 95 °C ( Figure 5 ).
At a 4% concentration level of NaOH, the tensile strength of fibres gradually increased with an increase in temperature, which became highly significant ( p < 0.001) between 70° and 95 °C ( Figure 5 ).