نتایج جستجو برای: hollow sphere
تعداد نتایج: 55798 فیلتر نتایج به سال:
The effective activation and utilization of metakaolin as an alkali activated geopolymer precursor and its use in concrete surface protection is of great interest. In this paper, the formula of alkali activated metakaolin-based geopolymers was studied using an orthogonal experimental design. It was found that the optimal geopolymer was prepared with metakaolin, sodium hydroxide, sodium silicate...
In this work, the hierarchical NiCo₂O₄ hollow sphere synthesized via a "coordinating etching and precipitating" process was demonstrated to exhibit intrinsic peroxidase-like activity. The peroxidase-like activity of NiCo₂O₄, NiO, and Co₃O₄ hollow spheres were comparatively studied by the catalytic oxidation reaction of 3,3,5,5-tetramethylbenzidine (TMB) in presence of H₂O₂, and a superior perox...
This chapter describes a biomechanical model of individual deformable viscoelastic cells that can be arranged into tissues of various topologies. The model is based on an immersed boundary method with distributed sources and couples a continuous description of a viscous incompressible cytoplasm with the dynamics of separate elastic cells. Several key cellular processes, such as cell growth, div...
In this paper we investigate the electrostriction effect on the whispering gallery modes (WGM) of polymeric microspheres and the feasibility of a WGM-based microsensor for electric field measurement. The electrostriction is the elastic deformation (strain) of a dielectric material under the force exerted by an electrostatic field. The deformation is accompanied by mechanical stress which pertur...
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