The study on technical process and kinetics of PVC heat steadilizer yttrium stearate by saponifying method was carried out.
采法制备了PVC热稳定剂-脂酸钇,并进行了动究。
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They also wondered how Leonarda managed to saponify the remains without anyone knowing.
他们还莱昂纳达是如何在人晓的情况下将成肥皂的。
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