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Effect of different clay additions to concrete on its ultrasonic acoustic parameters and compressive strength.
Sci Rep
January 2025
Yunnan Institute of Building Research Ltd, Kunming, Yunnan, 650223, China.
Due to various factors, the concrete may contain mud, a condition that can lead to a decrease in strength and changes in the ultrasonic acoustic parameters of the concrete. In order to study the effect of concrete mud content ([Formula: see text]) on ultrasonic acoustic parameters and compressive strength, this paper firstly derived the relationship equations between concrete mud content and acoustic parameters and compressive strength. Subsequently, the acoustic parameters and compressive strength were tested for concrete specimens with different mud contents cast on site.
View Article and Find Full Text PDFTularemia in a Psoriasis Patient on Biologic Therapy After Relocation to Western South Dakota.
S D Med
December 2024
Department of Internal Medicine, University of South Dakota Sanford School of Medicine.
Background: Francisella tularensis is an aerobic, gram negative coccobacillus bacterium that causes tularemia. F. tularensis spreads primarily through ticks, biting flies, droplet inhalation, contaminated mud or water, or infected animal bites, and it can survive in animal carcasses with the most common mode of transmission occurring via inoculation into the skin and inhalation/ingestion.
View Article and Find Full Text PDFEnhancing the Rheological and Filtration Performance of Water-Based Drilling Fluids Using Silane-Coated Aluminum Oxide NPs.
ACS Omega
January 2025
Department of Metallurgy & Materials Engineering, Mehran University of Engineering and Technology, Jamshoro, Sindh 76062, Pakistan.
For optimizing the drilling efficiency, nanoparticles (NPs) specifically nanometal oxides have been used in water-based drilling fluids (WBDF). Nano metal oxides improve the rheological and filtration characteristics of the WBDF. However, dispersion instability among pristine nano metals shrinks the performance of the nanometal oxides due to high surface energy.
View Article and Find Full Text PDFAssessment of mechanical properties and durability of compressed mud bricks stabilized with stone dust, wheat straw, and cement.
Sci Rep
January 2025
Department of Civil Engineering , University of Engineering and Technology Peshawar, Peshawar, Pakistan.
For millennia mud has been utilized to make brick for the construction of both residential as well as architectural purposes. However, concerns regarding their vulnerability to different kinds of hazards due to their weak mechanical properties and durability have emerged. This study addressed the global challenge of developing sustainable and affordable construction materials, particularly in resource-constrained regions.
View Article and Find Full Text PDFEffect of cerium-zirconium oxide-loaded red mud on the selective catalytic reduction of NO in downhole diesel vehicle exhaust.
Environ Pollut
January 2025
College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, Shandong Province, China; State Key Laboratory of Mining Disaster Prevention and Control Co-found by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao, 266590, China.
Red mud (RM), an iron oxide-rich solid waste, shows potential as a catalyst for selective catalytic reduction in denitrification processes. This study investigates the catalytic performance and mechanism of metal-modified RM in reducing NO from diesel vehicle exhaust. Acid-washed RM catalysts were impregnated with varying ratios of cerium (Ce) and zirconium (Zr).
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