I apply the minimum principle to the analysis of optimum temperature distribution on the basis of mathematic model for acetic acid cracking 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。
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.
选择含有天然油脂(不含水杨酸)的润唇膏涂抹最容易干裂的嘴唇边缘和嘴角部位。
The preparation of sebacic acid from castor oil by microwave cracking under the condition of solvent is reported.
本文报道了以蓖麻油为原料在有机溶剂条件下经微波裂解法制备癸二酸的工艺条件研究。
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