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Concrete with High Volume of Supplementary Cementing Materials and Admixtures for Sustainable and Productive Construction

Sustainability in concrete construction can be increased by replacing cement with supplementary cementing materials like slag and fly ash.China are building new coal fired energy works and has the opportunity to increase their use of fly ash. Larger amount of fly ash can be used if loss in early strength is...

Authors
Harald Justnes
Year
2009
Type
Conference lecture
Publication

Beyond Lean and Six Sigma; Cross-collaborative Improvement of Tolerances and Process Variations-A Case Study

...tolerance- and variation management is essential to achieve high value adding products with cost-effective processes. The link between Tolerance Engineering and popular manufacturing improvement philosophies such as Lean and Six Sigma is, however, not always that clear. The possibilities and limitations...

Authors
Lars Krogstie
Kristian Martinsen
Year
2013
Type
Academic article
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Publication

Investigating the Challenges and Opportunities for Production Planning and Control in Digital Lean Manufacturing

...combining lean thinking and practice with the new opportunities presented by innovative digital technologies and Industry 4.0 concepts. However, this combined approach also raises certain challenges for the manufacturing industry. In this paper, we explore both the challenges and opportunities presented...

Authors
Daryl Powell
Eirin Anita Lodgaard
Heidi Carin Dreyer
Year
2020
Type
Academic chapter
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Publication

Unravelling degradation mechanisms and overpotential sources in aged and non-aged batteries: A non-invasive diagnosis

...necessary for enhancing their energy and power density. However, dynamic operating conditions and complicated ageing mechanisms create challenges in determining the major sources of these overpotentials. We estimate the overpotentials of cells in a dataset consisting of aged and non-aged commercial lithium iron...

Authors
Williams Agyei Appiah
Laura Hannemose Rieger
Eibar Joel Flores Cedeño
Tejs Vegge
Arghya Bhowmik
Year
2024
Type
Academic article
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Publication

Aquaculture sludge as feed for black soldier fly: Transfer of chemical and biological contaminants and nutrients

Aquaculture sludge (uneaten feed and faeces) is nutrient rich and has potential as feed for insects. The aim of this study was to investigate the transfer of chemical and biological contaminants, as well as nutrients, from aquaculture sludge to black soldier fly larvae. The larvae were reared on a sludge...

Authors
Ikram Belghit
Nina Sylvia Liland
Anne-Katrine Lundebye
Jojo Tibon
Hilde Sindre
Hanne Katrine Nilsen
Andreas Hagemann
Veronika Sele
Year
2024
Type
Academic article
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Publication

A Modular and Scalable Approach to Hybrid Battery and Converter Integration for Full-Electric Waterborne Transport

...a flexible and scalable battery system for maritime transportation, integrating modular converters and hybrid battery technologies that are effectively implemented in real-world scenarios. The proposed system is realized with modular DC-DC converters, which do not require complex design and control or...

Authors
Ramon Lopez-Erauskin
Argine Alacano
Aitor Lizeaga
Giuseppe Guidi
Olve Mo
Amaia Lopez de Heredia
Mikel Alzuri
Year
2025
Type
Academic article
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