| ICESCE 2021 - The 7th International Conference on Energy Science and Chemical Engineering (ICESCE 2021) | 开始日期：2021-05-21 结束日期：2021-05-23 | 2021-05-21 | | China Dali | | http://www.icesce2021.org |
| TANN’21 2021 - 5th International Conference of Theoretical and Applied Nanoscience and Nanotechnology | 开始日期：2021-05-23 结束日期：2021-05-25 | 2021-02-15 | | Canada Niagara Falls | | https://2021.tannconference.com/ |
| ICMSCE 2021 - 2021 International Conference on Materials Science and Chemistry Engineering (ICMSCE 2021) | 开始日期：2021-05-26 结束日期：2021-05-28 | 2021-01-15 | | China Qingdao | | www.ic-msce.net |
| ICMSCE 2021 - 2021 International Conference on Materials Science and Chemistry Engineering | 开始日期：2021-05-26 | 2021-05-05 | | China Qingdao | | http://www.ic-msce.net/ |
| 第三届土木工程、能源资源与环境工程研究进展国际学术会议（ACCESE 2021） | 开始日期：2021-05-28 结束日期：2021-05-30 | | 2021-03-24 | 中国 青岛 | AEIC学术交流中心 | http://www.accese.net/ |
| FCFM 2021 - The International Conference on Food Chemistry and Food Microbiology (FCFM 2021) | 开始日期：2021-05-29 结束日期：2021-05-31 | 2021-04-26 | | China No. 42 Chuanshan Road | | https://www.maymeeting.org/conference/FCFM2021/ |
| 23nd International Conference on Phosphorus Chemistry (ICPC23) | 开始日期：2021-06-04 结束日期：2021-06-08 | 2020-03-28 | | 波兰 琴斯托霍瓦 | | http://www.icpc23.org/ |
| 10th World Congress of Chemical Engineering | 开始日期：2021-06-06 结束日期：2021-06-10 | | | the Republic of Argentina buenos aires | | http://wcce11.org/ |
| CFCMP 2021 - 2021 International Conference on Frontiers of Chemical Materials and Process (CFCMP 2021) | 开始日期：2021-06-18 结束日期：2021-06-20 | 2021-04-30 | | Norway Oslo | | http://www.cfcmp.org/ |
| ICCMFE 2021 - 7th International Conference on Chemical, Material and Food Engineering (ICCMFE 2021) | 开始日期：2021-06-25 结束日期：2021-06-27 | 2021-06-18 | | China Taiyuan | | http://www.iccmfe.org |
