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Carbon-13 - PLOS

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Last Updated: 10 January 2023

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Development of hybrid composite by integrating functionalized multi-walled carbon nanotubes ( f-MWCNTs ) with glass fiber reinforced polyester composite

The latest research explores the production of a hybrid glass fiber reinforced polyester resin composite. The composite incorporates functionalized carbon nanotubes with glass fiber as a medium, using polyester resin as a substrate. To obtain GFRPs samples in the form of rectangular sheets, a hand lay-up technique was used. For comparison to the control group, % f-MWCNTs showed the most tensile strength and impact energy of 79 MPa, demonstrating a 31. 6 percent increase and 1. 7 Nm with 77% increase. The composite strength increased from 40 MPa to 128 MPa, but a decrease in deposition of additional 10 layers resulted in a decrease in deposition to 100 MPa due to poor coordination between the polyester resin and GF. However, a rise in the number of f-MWCNTs degraded the mechanical stability of a composite composite, including compressive strength, due to agglomeration of these nanoparticles and void formation in the composite.

Source link: https://doi.org/10.1371/journal.pone.0279647


First assessment of seagrass carbon accumulation rates in Sweden: A field study from a fjord system at the Skagerrak coast

Seagrass meadows are globally important blue carbon sinks. In five seagrass meadows off the coast of Sweden, we investigated the carbon accumulation rates and stocks, as well as the organic matter sources. The carbon sink capacity is in accordance with other Z. marina areas, but it is still relatively low compared to other seagrass species and regions globally. About half of the sedimentary carbon accumulation came from macroalgae biomass, which emphasizes the importance of non-seagrass-derived materials for the carbon sink function of seagrass meadows in the area. The low sediment accretion rates and the relatively thick sediment deposits indicate that the carbon stocks have likely been present for a long time, and that the emergence of seagrass meadows in the Swedish Skagerrak region could have contributed to centuries of carbon sequestration.

Source link: https://doi.org/10.1371/journal.pclm.0000099


Evolutionary game analysis of low-carbon technology innovation diffusion under PPP mode in China

The Publicu2013Private Partnership mode has become an increasingly influential role in the construction of infrastructure, encouraging the diffusion of low-carbon technology innovation in PPP projects not only helps to minimize the carbon footprint of infrastructure, but also plays a key role in the low-carbon transition of the construction industry. The paper presents two separate evolutionary game models respectively under the Chinese government payment mechanism and consumer payment scheme based on evolutionary game theory in order to clarify the evolutionary mechanism of low-carbon technology innovation diffusion among stakeholders under the unique payment scheme for PPP projects.

Source link: https://doi.org/10.1371/journal.pone.0279493

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions