1 Subjects: “...self-lubricating journal bearings...”

2 Subjects: “...journalism...”

3 Subjects: “...hydrodynamic journal bearing...”

4 “... are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles...”

5 “... are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles...”

6 “... are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles...”

7 “...Next year (2018), we will be celebrating the 15th anniversary of the International Journal...”

8 “..., "Heterogeneous Photocatalysis: A Solution for a Greener Earth", from the journal Catalysts, which presents...”

9 “...: Manufacturing, Measuring Technologies and Systems' published in the journal Applied Science (MDPI). It contains...”

10 “..., KaRD2021" (https://www.www.mdpi.com/journal/robotics/special_issues/KaRD2021), which is the forth...”

11 “... in Artificial Intelligence: Models, Optimization, and Machine Learning" of the MDPI Mathematics journal, which...”

12 “... journal Mathematics. These articles cover a wide range of topics related to swarm intelligence algorithms...”

13 “... Issue "Trends in Sustainable Buildings and Infrastructure" of the International Journal of Environmental...”

14 “...This reprint is based on "Antimicrobial resistance and anti-biofilms" in the journal Antibiotics...”

15 “... with Applications" of the journal Mathematics. We hope that readers will benefit from the insights provided...”

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