The research shows that the carbon absorption rate can be up to 90% approximately by using the pretreated carbon powder and precast block penetration method.
研究表明，经过预处理的碳粉，采用预制块压入法可使碳的吸收率稳定在90%左右。
Methods: To observe the gaps between material and the walls of canals by scanning electron microscope, the apical sealing ability of material by dye penetration method.
方法：采用染料渗漏法和扫描电镜观察新型聚氨酯液体根充材料与根管壁之间的密合度及其对根尖孔的封闭能力。
Sucrose was replaced with maltitol and aspartame, and sugar-free glazed waxberry is developed with the method of vacuuming penetration.
以麦芽糖醇和阿斯巴甜代替蔗糖，并且采用真空渗透法研制无糖蜜饯杨梅。
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