Particle size 7 nonhuman 7 particle size 7 chemistry 6 Article 5 Coal bottom ash 5 Compressive strength 5 Scanning electron microscopy 5 controlled study 5 Charcoal 4 Fourier transform infrared spectroscopy 4 Nanoparticles 4 Particle Size 4 Particle swarm optimization (PSO) 4 male 4 nanoparticle 4 Costs 3 Drug Carriers 3 Empirical model 3 NANOPARTICLES 3 Particle fineness 3 Particle size analysis 3 Particle swarm optimization 3 Supplementary cementitious material 3 Sustainable development 3 animal experiment 3 animal model 3 article 3 drug carrier 3 human 3