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1. Bounds for the number of idempotents in finite rings David Dolžan, 2021, original scientific article Keywords: finite ring, idempotent, matrix |
2. Research on the adaptability of packers for integrated string fracturing operations in low porosity and low permeability reservoirs Zhiyong Wang, Hao Yu, Yong Xiao, Zhaoyang Zhao, Zhanghua Lian, Fangxin Chen, 2024, original scientific article Keywords: low porosity and low permeability reservoirs, integrated pipe string, packer rubber ring, acid fracturing, finite element simulation |