نتایج جستجو برای: including porosity and bulk density therefore
تعداد نتایج: 16900326 فیلتر نتایج به سال:
in this paper, the properties and microstructure of foam glasses obtained from the wasted cathode ray tube (crt) display panels were investigated. the foam glasses were prepared at the temperatures of 850, 950 and 1050c using 2, 4, 6 and 8 wt.% silicon carbide (sic) as the foaming agent. the physical and mechanical properties of the samples including the density, porosity, four-point bending s...
Soil quality is the permanent soil ability to function as a live system within ecosystem under different land uses. Investigating the impact of land use type on soil quality indicators could help to distinguish sustainable managements and therefore, to inhibit soil degradation. In order to evaluate the effect of different land uses on soil quality indicators, a research based on a randomized co...
The well selected for the application of our attenuation theory and extraction ofattenuation attributes from seismic data is the Texaco well (API 177104132700) in Block313 of Eugene Island in the Gulf of Mexico (Well 2700). The rock physics diagnosticsindicates that the rock can be described by the uncemented (soft-sand) model. Thismodel is used to predict the S-wave velocit...
Ability to predict the porosity, and its reduction after nano-silica dry coating, based on Bond number cohesion force estimated via multi-asperity contact model was examined for twenty different pharmaceutical powders. A new first order estimates of bulk density improvements coating found be reasonably predictive despite variations in size (10–225 μm), particle distribution, aspect ratios (1–3....
Selection of any superconducting material for practical applications highly depends upon different critical parameters like critical temperature (Tc), critical current density (Jc) and critical magnetic field (Hc). Different phases of Cu0.5Tl0.5Ba2Can− 1CunO2n+4−δ high temperature superconductor (HTSCs) family can be synthesized at higher pressure of (~5 GPa) as well as at ambient pressure[1]. ...
In this study the physical and thermal properties of baobab (Adansonia digitata) fruit pulp powder which are essential for designing engineering processes, material handling, storage, equipment design and fabrication were determined. The physical properties, namely, mean particle size, bulk density, true density and porosity were determined. Also, angle of repose and coefficient of friction wer...
Different methods have been evaluated for manufacturing the porous Ti6Al4V alloys according to decreasing stress shielding phenomenon and increasing mechanical compatibility between the metallic components and the host tissue. For this purpose, in this work Ti6Al4V alloy chips were pressed under 400 MPa pressure and then samples were categorized and heated into two groups at 1000 and 1150℃ unde...
among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...
climatic conditions of guilan have caused to develope azolla growth in wetland and ponds. regarding environmental problems of azolla accumulation, a study was conducted to investigate impact of composted azolla with nutrient solution on the growth of dracaena in replacement of peat in ornamental plants and flower research station, lahijan, iran. the control treatment was a 2:1 ration of peat: p...
Different methods have been evaluated for manufacturing the porous Ti6Al4V alloys according to decreasing stress shielding phenomenon and increasing mechanical compatibility between the metallic components and the host tissue. For this purpose, in this work Ti6Al4V alloy chips were pressed under 400 MPa pressure and then samples were categorized and heated into two groups at 1000 and 1150℃ unde...
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