As compared with the compacted specimens, the natural specimens were higher in the peak shear strength and the dilatancy due to the cementation effect of the iron and manganese oxides.

当吸力相同时，原状样的峰值强度和剪胀势均高于压实样，这与原状样中铁锰结核的胶结作用有关。

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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。

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This research used Bacillus pasteurii and medium to treat silica, compared to the control without bacteria, the effect of cementation was obvious.

利用巴斯德芽孢杆菌和培养基来处理石英砂，与不含菌的对照样品相比，其固化效果比较明显。

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