*4.2. Conclusions*


**Author Contributions:** Conceptualization, L.L. and J.L.; methodology, X.Z.; software, J.L.; validation, L.L. and X.Z.; formal analysis, J.L.; investigation, B.H.; resources, L.L.; data curation, L.L.; writing original draft preparation, L.L.; writing—review and editing, L.L.; visualization, J.L.; supervision, L.L.; project administration, L.L.; funding acquisition, L.L. All authors have read and agreed to the published version of the manuscript.

**Funding:** This research received no external funding.

**Institutional Review Board Statement:** The study does not require ethical approval.

**Informed Consent Statement:** The study did not involve humans.

**Data Availability Statement:** The experimental and analytical calculation result data used to support the findings of this study are included within the article.

**Conflicts of Interest:** The authors declare that there is no conflict of interest regarding the publication of this paper.

#### **References**

