I apply the minimum principle to the analysis of optimum temperature distribution on the basis of mathematic model for acetic acidcracking at high temperature.
依据醋酸高温裂化数学模型，应用最小值原理分析了裂化温度的最优分布。
2
Choose a lip balm with natural oils (but without any salicylic acid), and spread it all the way to the corners and rim, where cracking occurs.