Keyword efficiency
ORIGINAL RESEARCH
Two Models of Household Sand Filters for Small Scale Water Purification
Pol. J. Environ. Stud. 2022;31(3):2737–2748
ORIGINAL RESEARCH
Performance Assessment of Wastewater Treatment Plants (WWTPs ) and Application of Electrocoagulation Process to Improve Their Operation
Pol. J. Environ. Stud. 2021;30(6):5273–5284
ORIGINAL RESEARCH
Implementation of a Coupon System in Municipalities and Its Significance in Area of Waste Sorting as Green Economy
Pol. J. Environ. Stud. 2021;30(5):4719–4730
ORIGINAL RESEARCH
Efficiency Evaluation of Green Innovation in Chinese Eight Comprehensive Economic Areas Based on Three-stage Malmquist Index
Pol. J. Environ. Stud. 2021;30(3):2863–2875
ORIGINAL RESEARCH
The Efficiency of a Solar Cooker in Pakistan’s Quetta Region
Pol. J. Environ. Stud. 2019;28(6):4213–4220
ORIGINAL RESEARCH
Environmental and Economic Factors Shaping Efficiency of Rapeseed Farms in Poland
Piotr Bórawski, Aneta Bełdycka-Bórawska, Elżbieta J. Szymańska, Krzysztof J. Jankowski, James W. Dunn
Pol. J. Environ. Stud. 2019;28(1):43–51
ORIGINAL RESEARCH
Measuring the Impact of ISO 14001 Implementation
Vijay Gawaikar1, A. G. Bhole2, R. R. Lakhe3
Pol. J. Environ. Stud. 2018;27(2):637–646
ORIGINAL RESEARCH
Using the Combined Fenton-MBR Process to Treat Cutting Fluid Wastewater
Qian Zhang1, ChangJiang Yu1, Jie Fang1, HaiYang Xu1, QianLi Jiang1, ShengKe Yang1,2, WenKe Wang1,2
Pol. J. Environ. Stud. 2017;26(3):1375–1383
ORIGINAL RESEARCH
Decomposition Analysis of Energy Efficiency in China’s Beijing-Tianjin-Hebei Region
Wei Li1,2, Huixia Zhang1
Pol. J. Environ. Stud. 2017;26(1):189–203
ORIGINAL RESEARCH
Sorting Tests of Unsorted Municipal Solid Waste from Germany for a Selected Opto-Pneumatic Sorting Machine
Wojciech Hryb
Pol. J. Environ. Stud. 2015;24(1):99–105
ORIGINAL RESEARCH
Efficiency and Governance of Power Corporations: A China and Taiwan Analysis
Ming-Chung Chang
Pol. J. Environ. Stud. 2014;23(5):1515–1525
ORIGINAL RESEARCH
Efficiency of Black DN Adsorption onto Chitin in an Air-Lift Reactor
U. Filipkowska
Pol. J. Environ. Stud. 2004;13(5):503–508
ORIGINAL RESEARCH
The Removal of Nitrogen Compounds in Constructed Wetlands in Poland
H. Obarska-Pempkowiak*, M. Gajewska
Pol. J. Environ. Stud. 2003;12(6):739–746
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