Different toll ratecoefficient should reflect that how much toll falls on different vehicle class users in order to achieve equality of cost and profits.
The computation on the ratecoefficient of electron ion collisional ionization is described and some fitting formulas are given for the accurate and fast calculation.
主要讨论了电子与离子碰撞电离速率系数的计算，给出了快速拟合计算公式。
3
The emulsifier content and feed rate affect latex swelling and shell polymerization by the making a change of latex number and total reaction ratecoefficient respectively.