Results 151 to 160 of about 16,284 (296)

Effect of Silica Fume and Metakaolin combination on concrete

open access: yes, 2012
The use of supplementary cementitous materials is fundamental in developing low cost construction materials for use in developing countries. By addition of some pozzolanic materials, the various properties of concrerte viz, workability, durability ...
Rakesh Kumar   +3 more
core  

Respirable Dust Exposure in Western Australian Mining: Trends, Variability, and Implications for Occupational Health

open access: yesAmerican Journal of Industrial Medicine, Volume 69, Issue 7, Page 540-547, July 2026.
ABSTRACT Background Mining workers are exposed to a range of respiratory hazards, including respirable dust. While exposure to respirable crystalline silica in the mining industry has been found to be common, less is known about trends in measured levels of exposure to respirable dust overall.
Renee N. Carey   +4 more
wiley   +1 more source

Evaluation of Enzyme Inhibition and Kinetic Profiles of Origanum Essential Oils on Metabolic and Central Nervous System Targets

open access: yesNatural Sciences, Volume 6, Issue 3, July 2026.
The essential oils of three Origanum species were chemically characterized and evaluated for their antioxidant and enzyme inhibitory activities. The different compositions confer selective bioactivities: O. vulgare exhibits good antioxidant and α‐glucosidase inhibitory activity, O. majorana shows promising tyrosinase inhibition, and O.
Giuseppe Amato   +6 more
wiley   +1 more source

Correction: ​​Influence of coir and flax fiber lengths on fracture toughness of fly ash, slag, and silica fume-based geopolymer concrete. [PDF]

open access: yesSci Rep
Bazarkhankyzy A   +7 more
europepmc   +1 more source

Enhancing Mechanical and Physical Properties of Jute/JUCO/Glass Fiber Hybrid Composites Through TiO2 and CuO Microparticle Reinforcement

open access: yesSPE Polymers, Volume 7, Issue 3, July 2026.
Symmetrical Jute/JUCO/Glass hybrid epoxy composites were reinforced with TiO2 and CuO microparticles. Incorporating 3 wt.% CuO increased tensile strength by up to 63.7%, while 3 wt.% TiO2 maximized flexural and impact properties alongside superior moisture resistance, demonstrating that these fillers significantly enhance natural fiber biocomposites ...
Nayan Sur   +5 more
wiley   +1 more source

Silica Fume and Concrete

open access: yesConcrete Journal, 1985
Nagataki, Shigeyoshi, Yonekura, Asuo
openaire   +2 more sources

Dental Biofilm–Induced Gingivitis in Children and Adolescents Without Known Systemic Involvement: A Systematic Review

open access: yesJournal of Clinical Periodontology, Volume 53, Issue 7, Page 1226-1252, July 2026.
ABSTRACT Aim To synthesize evidence on gingival diseases and conditions in children and adolescents (< 18 years) without known systemic disorder involvement, focusing on their distribution, aetiology, diagnosis, management and oral health–related quality of life (OHRQoL).
Georgios Tsilingaridis   +4 more
wiley   +1 more source

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