Results 51 to 60 of about 748 (104)

[Profiles and differences of submucosal microbial in peri-implantitis and health implants: A cross-sectional study]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban, 2023
Sun F   +5 more
europepmc   +1 more source

内蒙古某电厂循环冷却水系统阻垢缓蚀试验研究

open access: yesGongye shui chuli, 2010
针对某火电厂具体水样,通过静态试验、动态模拟试验和旋转挂片腐蚀试验,分析了阻垢剂种类、加入量等因素对系统结垢的影响,并对阻垢药剂的阻垢缓蚀性能进行了试验研究。试验结果表明:由ATMP、HPMA、HEDP复配的1#阻垢药剂在质量浓度为10mg/L时,阻垢率最高,安全浓缩倍率达到2.50,年污垢热阻为2.21×10-4m2·℃/W,符合火电厂安全、高效的运行标准,更适合该火电厂使用。
王维娜, 沈炳耘, 侯晓羽
doaj  

[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

[Florid cemento-osseous dysplasia: A case report]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Wang Y, Liang Y.
europepmc   +1 more source

Prediction model of dental caries in 12-year-old children in Sichuan Province based on machine learning. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi, 2023
Yan X, Sun T, Lu Y, Tan X, Wang Z, Li M.
europepmc   +1 more source

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