نتایج جستجو برای: super absorbents
تعداد نتایج: 50576 فیلتر نتایج به سال:
Porous materials have good acoustic damping characteristics over a wide frequency range. As for sound waves, many small-scale pores in the coating materials can convert underwater-coating to rough surfaces. The main property of porous absorbents is their resistance against incident sound wave that leads to damping effect. From a physical point of view, damping occurs due to friction between flu...
to investigate the effects of drought stress and different combinations of animal manure with super absorbent polymer on yield and yield components of corn, a split plots design was conducted based on a randomized complete block design with 3 replications in fars agricultural research center in 2007. irrigation treatments were assigned as the main factor in three levels: 70, 105 and 140 mm evap...
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• Biogas upgrading process based on hydrophobic DESs and conventional solvents. Hydrophobic performed better than solvents in VOCs trapping. Negative value of ?G underlined that all are favorably solubilized absorbents. The physical absorption nature benefits recycling. We currently witnessing an increase biogas production the context fossil fuel decline future circular economy. However, raw co...
In this study, the acoustic properties of porous absorbents with different porosity levels have been evaluated using different mathematical models. These models use one or more parameters of materials for calculating acoustic characteristics. In all of these models, materials are considered as equivalent fluid and reactionary characteristics have not been taken into account.
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