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Keyword: Bulk Density

Total Papers Found: 15
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Effect of cooking and drying on the thermal conductivity of rice

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Testing of thermal properties of foods is essential for operation and control of food processing plants. In this paper, the thermal conductivity of rice and the drying of cooked rice ...

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Thermal properties of green alumina porcelain

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The thermal properties, as well as bulk density, and mass loss of alumina porcelain were determined as a function of firing temperature. It was found that after sintering at 1320 ºC, ...

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Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes

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Polymeric tannin/furanic foams fortified with polyurethane (PUR) and 4,4’ diphenylmethane diisocyanate (pMDI) were prepared. The thermo-physical and mechanical properties of the produced foams were investigated experimentally.  It was found that ...

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Structure and properties of rigid foams derived from quebracho tannin

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Rigid foams were prepared using quebracho tannins and their physical and thermal properties were determined experimentally. These properties were then compared to those of rigid foams derived from mimosa tannins ...

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Emulsion-templated porous carbon monoliths derived from tannins

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The authors have prepared highly porous, monolithic, carbon polymerised high internal phase emulsions (carboHIPEs) using tannins as the base material. This material was considered to be one of the most ...

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Experimental determination and fractal modeling of the effective thermal conductivity of autoclaved aerated concrete: Effects of moisture content

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Autoclaved aerated concrete was studied because it has potential to be used in the design of energy-efficient buildings. Three different samples were tested, each with a unique density. Of particular ...

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Synthesis of flexible aerogel composites reinforced with electrospun nanofibers and microparticles for thermal insulation

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The authors present a method of increasing the structural stability of silica aerogels by producing flexible aerogel composites by electrospinning and sol-gel processing. Three composites, each reinforced with one of ...

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Engineering thermal and mechanical properties of flexible fiber-reinforced aerogel composites

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The authors present a method of fiber-reinforced aerogel composites by impregnation of four layers of aligned glass fibers into silica sol layer-by-layer. The effect of different fiber alignments, as well ...

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Heat transfer of mineral-filled polypropylene foams 

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Minerals are often added to polypropylene (PP) foams to improve thermal conductivity. The aim of this study was to test and compare the thermal conductivity of unfilled, magnesium hydroxide (Mg(...

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Highly mesoporous organic aerogels derived from soy and tannin 

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The first soy and tannin based organic aerogels with 91% naturality have been developed by researchers, and they have low bulk density but high volumes of mesopores. In this experiment, the ...

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