نتایج جستجو برای: particle morphology
تعداد نتایج: 315533 فیلتر نتایج به سال:
nano-sized titanium dioxide tio2 powder was prepared by new wet chemical route from its precursor titanium (iv) chloride (ticl4) as precursor with isopropoxy alcohol in presence of nitric acid under ambient condition. their morphologies, phase compositions and components of the tio2 nanoparticles were characterized by transmission electron microscopy (tem), field emission scanning electron micr...
Discrete 3D supramolecular hybrid particle structures with controllable morphology and dimensions were fabricated and their ability to encapsulate guest molecules was demonstrated.
چکیده ندارد.
objective(s): this study was performed aiming to investigate the effect of particle engineering via spray drying of hydroalcoholic solution on solid states and physico-mechanical properties of acetaminophen. materials and methods: spray drying of hydroalcoholic solution (25% v/v ethanol/water) of acetaminophen (5% w/v) in the presence of small amounts of polyninylpyrrolidone k30 (pvp) (0, 1.2...
The mechanical and rheological behaviour of particulate granular assemblies is significantly influenced by the shape their individual particles. We present a code that implements characterisation three-dimensional particles in an automated rigorous manner, allowing for processing samples composed thousands irregular within affordable time runs. input particle geometries can be provided one foll...
During the downslope long-distance movement of debris avalanches, particles interact with each other in various modes, by rolling, sliding and colliding other. transport, grains may undergo breakage, changing size shape. However, research on avalanches at grain scale remains limited, particular, evolution morphology different scales, from overall form down to surface roughness, runout distance....
Well crystallized pure calcium zirconate (CaZrO3 ) nanopowder was successfully synthesized using the molten-salt method. CaCl2 , Na 2CO3, micro-ZrO 2and nano-ZrO 2 were used as starting materials. On heating, Na2CO3 reacted with CaCl 2to form NaCl and CaCO 3. Nano CaZrO 3 was formed by reacting equimolar amounts of in situformed CaCO 3 (or CaO) and ZrO 2 in molten Na 2CO3-NaCl e...
ZnS nanoparticles were synthesized via a simple surfactant free microwave route. In this synthesis, thioacetamide was used as sulfur source. The effects of different parameters such as type of zinc precursor, time and power of irradiation on the morphology and particle size of the products have been investigated. The nanostructures were characterized by ...
In this work, a stochastic computational model of microscopic energy deposition events is used to study for the first time damage to irradiated neuronal cells of the mouse hippocampus. An extensive library of radiation tracks for different particle types is created to score energy deposition in small voxels and volume segments describing a neuron's morphology that later are sampled for given pa...
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