2018 March, “Evaluation of hierarchically weighted principal component analysis for water quality management at Jiaozuo mine”, in International Biodeterioration & Biodegradation[1], volume 128, →DOI, →ISSN, →OCLC, archived from the original on May 10, 2022[2]:
The shallow aquifer water in the areas of Macun, Wangfeng, and Hanwang must be intensively treated before utilization due to contamination. Macun and Hanwang, located in central Jiaozuo mining area, must be treatment with advanced green technology before any domestic use.
2018 June, Xiao-ming Guo, Tong-qian Zhao, Wen-ke Chang, Chun-yan Xiao, Yu-xiao He, “Evaluating the effect of coal mining subsidence on the agricultural soil quality using principal component analysis”, in Chilean Journal of Agricultural Research[3], volume 78, number 2, →DOI, →ISSN, →OCLC, archived from the original on July 23, 2020[4]:
This study was conducted at the farmland of Hanwang coal mine (Figure 1), located in Macun district of Jiaozuo city (35°10'-35°21' N, 113°04'-113°26' E), northwestern Henan Province, China.
2022, Chengjin Guo, “Spatial and Temporal Variation Characteristics of Soil Physical and Chemical Properties in Coal Mining Subsidence Areas and Quality Evaluation”, in International Core Journal of Engineering, volume 8, number 4, →DOI, →ISSN, →OCLC, page 676:
This study was conducted on arable soils within the Jiaozuo Jiulishan mine area. Jiaozuo Jiulishan mine (113.42°E, 39.34°N, 97m above sea level) is located in Macun District, Jiaozuo City, Henan Province, on the northern bank of the Yellow River and the southern foot of the Taihang Mountains.
2023 August 25, “Mayor Li Yibo of Jiaozuo City and his delegation visited the center”, in Europe China Joint Innovation Center [欧中联合创新中心][5], archived from the original on 31 December 2024, News:
Secretary Shi Shaohui of Macun District in Jiaozuo City expressed his welcome for the European (China Region) Innovation Center project to land in Jiaozuo City.
