The recurrent rate of the marginal gingivitis can be decreased in a magnetic field that interferes with adhesive force of the dental tophus.
用磁场影响牙结石重新附着可降低缘龈炎的复发率。
And it was discovered that the concentration of exonerative formaldehyde of the urea-formaldehyde resin synthesized reaches the F1 target of environmental protection, the initial adhesive force and gluing intensity is up to the national standard, but the cost of the resin is reduced obviously.
实验结果表明,合成脲醛树脂的甲醛释放量达到F1环保指标,初始黏结力、胶合强度等综合指标均符合国家标准,成本则有较大降低。
Adhesive through moisture penetration and volatile or becomes solid-state of cutan, and produce cohesive force.
胶粘剂通过水分挥发或渗透,由液态变为固态的胶膜, 并产生粘结力.
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