Results 31 to 40 of about 396 (78)

灵泉发电厂“三高”循环水防腐防垢剂水处理应用过程中的技术改进

open access: yesGongye shui chuli, 1998
通过对灵泉发电厂工业水水源变化特殊性的分析,经过多年的高硬度、高碱度、高pH值循环水防腐防垢水处理剂应用实践,针对凝汽器铜管中出现的等电位电化学腐蚀问题,从原方案本质出发,进行了继承性的研究论证,研制出了多元多功效、低成本的FL复合防腐防垢水处理剂,并在应用中获得了满意的效果。
范工业
doaj  

Expert consensus on clinical management for early childhood caries. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi, 2022
Zhang Q   +9 more
europepmc   +1 more source

[Effect of Pulsating Vacuum Cleaning Sterilizer on the Cleaning Quality of Dental Handpieces]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban, 2023
Liu M, Xie W, Song S, Wang Y, Lu Z.
europepmc   +1 more source

[Strategic orthodontic treatment for multiple mesioangular impacted molars: a case report]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Zhan J   +5 more
europepmc   +1 more source

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