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Graphene-based electrodes and catalysts for electroreduction of CO_(2)to low-carbon alcohols

Materials Reports(Energy) 2023年第2期3卷 142-153,I0004页

作者： Lei Wang patrick lira Guangzhi Hu Jianmin Luo Zhao Sun Richard Davis Yudai Huang Sam Toan Department of Chemical Engineering University of Minnesota-DuluthDuluthMN55812USA Institute for Ecological Research and Pollution Control of Plateau Lakes School of Ecology and Environmental ScienceYunnan UniversityKunming650504China School of Chemistry and Civil Engineering Shaoguan UniversityShaoguan512005China School of Energy Science and Engineering Central South UniversityChangsha410083China State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources College of ChemistryXinjiang UniversityUrumqi830017China

The electrochemical reduction of CO_(2)(CO_(2)ER)into the renewable and sustainable green fuels,such as low-carbon alcohols,is one of several workable ***_(2)ER can be combined with renewable electricity to transform intermittent energy sources(such as wind,hydro,and solar)into a fuel that can be stored until it is ready to be *** intrinsic characteristics of the employed catalyst have a significant and substantial effect on the efficiency of CO_(2)ER and the ensuing economic *** paradigmatic multicarbon alcohol catalysts should increase the concentration of*CO in the reaction environment,stabilize the key intermediate products during the reaction,and facilitate the C-C coupling *** graphene has a large surface area and exceptional conductivity,it has been used as a support for active phases(nanoparticles or nanosheets).It is possible for graphene to enhance charge transport and accelerate CO_(2)conversion through its electronic and structural coupling *** the interface,a synergy can be produced that improves CO_(2)ER by increasing*CO adsorption,intermediate binding,and *** article focuses on recent advancements in graphene-based catalysts that promote CO_(2)ER to ***,this paper also describes and discusses the key role graphene plays in catalyzing CO_(2)ER into ***,we hope to provide future ideas for the design of graphene-based electrocatalysts.

关键词： Graphene Electrocatalysts CO_(2)reduction Alcohol Electrode

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Cysticercus Tenuicollis in Visceral Organs of Goats and Sheep in Uganda: A Case Study in lira Municipal Abattoir

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Open Journal of Animal Sciences 2024年第4期14卷 249-259页

作者： Joseph Magala Barnabas Mudde patrick Abel Mawadri Williams Guma Sylvester Dickson Baguma patrick Olango Okot Jolly Akullo National Agricultural Research Organisation Kachwekano Zonal Agricultural Research and Development Institute Kabale Uganda National Agricultural Research Organisation Ngetta Zonal Agricultural Research and Development Institute Lira Uganda College of Veterinary Medicine Animal Resources and Biosecurity Makerere University Kampala Uganda National Agricultural Research Organisation Bulindi Zonal Agricultural Research and Development Institute Hoima Uganda Norwegian Refugee Council West-Nile Office Yumbe Uganda Faculty of Agriculture and Animal Sciences Arapai Campus Busitema University Tororo Uganda

Cysticercus tenuicollis is a metacestode stage of Taenia hydatigena residing in the visceral organs of small ruminants and its effects cause economic losses due to condemnation of visceral organs in slaughterhouses. This study reports on the prevalence of Cysticercus tenuicollis in small ruminants slaughtered in lira Municipal Abattoir. A total of 70 sheep and 70 goats were sampled and examined after slaughter for the presence of Cysticercus tenuicollis in the visceral organs using standard meat inspection procedures. An abattoir data collection sheet was used to record data, which was then analysed in SPSS version 20. The study revealed 51.4% of goats and 68.6% of sheep to be infested with Cysticercus tenuicollis. Following the district of origin for the small ruminants, Otuke district had the highest prevalence of the parasite (82.6%), followed by Kole (72.4%), Alebtong (66.7%), Apac (59.4%) and lira (31.4%). Cysticercus tenuicollis was more frequently seen in the intestines (57.8%) of sheep and goats than in any other visceral organs. The liver had a prevalence of 20.7%, the lungs 17.8%, the kidneys 3.5% and the fetal sac;(15.7%) in goats and (12.9%) in sheep. Cysticercus tenuicollis was detected in 68.8% of females and 58.8% of male small ruminants. It is recommended to routinely deworm goats and sheep by farmers most especially in districts with the highest prevalence of Cysticercus tenuicollis infestation. The sale of the condemned parts of sheep and goats and the feeding of dogs on these contaminated materials should be stopped forthwith. It is also being suggested that a national study be carried out to determine the prevalence and economic impact of Cysticercus tenuicollis in small ruminants.

关键词： Cysticercus tenuicollis Goats and Sheep Abattoir

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