Organic anti scaling agent NTW 3 is characterized by both preventing the scale and stabilizing Fe ion, and has greater adsorption capacity and suitable DE adsorption rate in the formation.
研制的NTW3水质稳定剂具有可靠的阻垢性能和稳定铁离子的作用，在地层岩石中有较大吸附量和适宜的解吸速率。
The paper analyzed the reasons for scaling and introduces and discussed the effect of applying straw pulp black liquor scaling control agent.
草浆黑液蒸发系统结垢问题严重，本文分析出结垢原因，对采用草浆黑液结垢控制剂后的使用效果进行叙述并展开讨论。
AIM: To evaluate the clinical effects of scaling and root planning combined with application of Gu Chi local slow-release delivery agent in chronic periodontitis.
目的：观察局部应用中药固齿缓释剂治疗慢性牙周炎的临床疗效。
AIM: To evaluate the clinical effects of scaling and root planning combined with application of Gu Chi local slow-release delivery agent in chronic periodontitis.
目的：观察局部应用中药固齿缓释剂治疗慢性牙周炎的临床疗效。
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