Deep caries based by the glass ions cementation agent, could significantly reduce composite resin pulp stimulation to protect pulp, and better effect.
深龋经玻璃离子粘固剂垫底后，能明显减轻复合树脂对牙髓的刺激作用，从而护髓效果更佳。
Treatment of ground pulp with lipase was investigated to reduce resin content of pulp.
本研究用脂肪酶对磨木浆进行处理，以降低浆料中树脂含量。
Compared by the analysis, optimizing the parameter of the impeller and casing tongue, on side of hydraulic design of pump, is the most effective way to reduce the pressure pulsation of pulp-pump.
分析得出：从泵的水利设计方面来优化叶轮和隔舌的参数，是降低纸浆泵压力脉动的最有效方法。
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