In other words, the concentration of at any time is given by the initialconcentration, t minus the rate constant times time.
换句话说，任意时刻A物质的浓度等于初始浓度，减去常数乘以时间。
2
Rate constant (K) of degradation increases with increasing the gas flow rate or decreasing the initial sodium lignosulfonate concentration.
气体流量越大，木质素磺酸钠的初始浓度越低，速率常数K越大，降解效果越好。
3
The tests showed that the rate constant value increased with the dipped temperature raise and the increment of the DEHA's initialconcentration in the PVC film.