نتایج جستجو برای: nanostructure silica
تعداد نتایج: 43429 فیلتر نتایج به سال:
Immediate loading of dental implants is only possible if a firm bone-implant anchorage at early stages is developed. This implies early and high bone apposition onto the implant surface. A nanostructured coating material based on an osseoinductive bone grafting is investigated in relation to the osseointegration at early stages. The goal is to transmit the structure (silica matrix with embedded...
Strongly concentrated optical fields around a metal nanoparticle in the close vicinity of dipole noticeably facilitate dramatic changes localized density states due to hybrid photonic–plasmonic mode couplings as compared that pure cavity fields. Significant variations field intensity presence elucidate enhanced light–matter interaction structure. The enhancement factor is studied through single...
The purpose of this work was to study the hydrogen adsorption on the surface of mesoporous materials based on silica (SBA-16) modified with palladium via temperature. Since mesoporous silica materials have a high specific surface area, and the ordered mesoporous size of 2-10nm, they are suitable for adsorption and storage of hydrogen. SBA-16 is suitable for this purpose due to its cubic crystal...
The synthesis of hollow carbon nanospheres or capsules has attracted considerable attention because of their potential applications in catalyst supports, fuel cells, gas storage and separation, and lithium-ion batteries, which result from their unique features, such as high surface-to-volume ratio and high structural stability. Templating is the method widely used to synthesize hollow carbon sp...
Uncontrolled population growth and increased consumption of fossil fuels have led to the emission of pollutants and greenhouse gases. This is mostly a concern for reducing emissions of greenhouse gases, such as carbon dioxide because of its impact on global climate change1,2. The presence of carbon dioxide in the natural gas mixture can lead to lower heating value of gas, corrosion of processin...
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