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Lebohang E. Koloti, Rosina Nkuna and Tonderayi S. Matambo
This study provides a theoretical baseline on the application of chemical and microbiological indicators as rapid system performance monitoring tools that will allow for timely corrective measures to maintain and improve the bioremediation performance of...
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Yingzhe Zhang, Baohong Bai, Dakai Lin and Peiqing Liu
The flap side-edge is a vital contributor to airframe noise. In this study, we propose a novel flap side-edge noise reduction method based on the concept of active blowing air. A long slot is opened from the flap?s lower surface to the tip surface to ind...
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Euclides Deago, Marian Ramírez, Kleveer Espino, Daniel Nieto, Maudi Barragán, Max García and Jessica Guevara-Cedeño
Anaerobic digestion (AD) is usually carried out at mesophilic temperatures (25?45 °C) in most countries, whether in temperate or tropical climates, which results in the need for heat injection and consequently increases costs. In this regard, batch AD te...
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Yong-Woo Lee, Yong Hwa Oh, Sang Heon Lee, Dohyun Kim and DongJoo Joung
To investigate the factors affecting water quality in coastal regions with sea dike constructions, surface water outside a sea dike was monitored for six years from 2015 to 2020 in the Saemangeum region of Korea. Statistical analyses of the six years of ...
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Hongji Duan, Shuping Wang and Jiancheng Tao
Recent research shows that a directional quiet zone from near to far field can be created with a near-field microphone array. However, there is no systematic theoretical analysis of this error-sensing strategy. In this paper, an analytical model of the a...
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