In the writing of this graduation t

In the writing of this graduation thesis, first of all, I want to thank my thesis instructor, Huang daozhan, associate professor, and LAN Hongyun for their guiding opinions and recommendations on the research direction of my thesis. In the process of writing this thesis, I have timely pointed out the difficulties and doubts I encountered, put forward many useful suggestions for improvement, and put in a lot of effort and energy. In the process of graduation experiment, Mr. Huo Shangchao, Mr. Zhao Baoning, Mr. Pan Ting and Mr. Ma Jinglan expressed their sincere thanks for my help and care! At the same time, they also thanked the teachers and all the students of Applied Chemistry in the school of chemistry and chemical engineering of Guangxi University for Nationalities for learning from each other, helping each other and having a perfect and unforgettable time together.<br>In addition, I would like to thank my friends and classmates for their great support and help in the preparation of the thesis, which has brought me great inspiration. I also want to thank the authors in the references. Through their research articles, I have a good starting point for the research topic.<br>Finally, thank you for your hard work. I sincerely thank my family, friends and classmates. It was with their encouragement and support that I successfully completed this paper

In the writing of this graduation thesis, first of all, I want to thank my thesis instructor, Huang daozhan, associate professor, and LAN Hongyun for their guiding opinions and recommendations on the research direction of my thesis. In the process of writing this thesis, I have timely pointed out the difficulties and doubts I encountered, put forward many useful suggestions for improvement, and put in a lot of effort and energy. In the process of graduation experiment, Mr. Huo Shangchao, Mr. Zhao Baoning, Mr. Pan Ting and Mr. Ma Jinglan expressed their sincere thanks for my help and care! At the same time, they also thanked the teachers and all the students of Applied Chemistry in the school of chemistry and chemical engineering of Guangxi University for Nationalities for learning from each other, helping each other and having a perfect and unforgettable time together.<br>In addition, I would like to thank my friends and classmates for their great support and help in the preparation of the thesis, which has brought me great inspiration. I also want to thank the authors in the references. Through their research articles, I have a good starting point for the research topic.<br>Finally, thank you for your hard work. I sincerely thank my family, friends and classmates. It was with their encouragement and support that I successfully completed this paper

在撰写本次毕业论文时，首先，我要感谢我的论文指导老师黄道展副教授和蓝红云对我的论文研究方向的指导意见和建议。在撰写这篇论文的过程中，我及时指出了自己遇到的困难和疑问，提出了许多有益的改进建议，付出了很大的努力和精力。在毕业实验过程中，霍尚超先生、赵宝宁先生、潘婷先生、马景兰先生对我的帮助和关心表示衷心的感谢！同时，他们也感谢广西民族大学化学与化学工程学院应用化学系的老师和全体学生相互学习、相互帮助，在一起度过了一段完美难忘的时光。<br>此外，我还要感谢我的朋友和同学们在论文的准备过程中给予的大力支持和帮助，这给我带来了很大的启发。我还要感谢推荐信中的作者。通过他们的研究文章，我对研究课题有了一个很好的起点。<br>最后，谢谢你的辛勤工作。我衷心感谢我的家人、朋友和同学。正是在他们的鼓励和支持下，我成功地完成了这篇论文<br>