نتایج جستجو برای: magnetic silica aerogel
تعداد نتایج: 375620 فیلتر نتایج به سال:
Several hybrid sensing materials, which are organized by interaction of organic molecules onto inorganic supports, have been developed as a novel and hopeful class of hybrid sensing probes. The hybrid silica-magnetic based sensors provide perfect properties for production of various devices in sensing technology. The hybridization of silica and magnetic NPs as biocompatible, biodegradable and s...
Silica aerogels are highly porous 3D nanostructures and have exhibited excellent physio-chemical properties. Although silica aerogels have broad potential in many fields, the poor mechanical properties greatly limit further applications. In this study, we have applied the finite volume method (FVM) method to calculate the mechanical properties of silica aerogels with different geometric propert...
Hierarchical systems can address the matrix-dominated failures of structural fiber polymer composites. Here, a new synergistic hierarchical structure combines conventional glass fibers with bi-continuous silica-based aerogel matrix; both pure-silica and organically-modified silicate aerogels are demonstrated. When infused an epoxy matrix, this type architecture showed marked improvement in mech...
Introduction: Stardust returned to Earth samples from comet Wild 2. Until now most of the studies have been performed on terminal particles located at the end of the deceleration tracks. However, synchrotron X-ray fluorescence studies showed that a significant fraction of the cometary material is unevenly distributed along the tracks [1-2]. Here we present results of a transmission electron mic...
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