نتایج جستجو برای: porosities
تعداد نتایج: 1124 فیلتر نتایج به سال:
porous hollow glass microspheres have many uses, including encapsulation of active materials. in this paper a fast and facile method for fabricating porous hollow glass-microspheres was demonstrated by etching them using dilute hydrofluoric acid. then, a highly reactive amine was infiltrated into the etched glass microspheres. scanning electron microscopy was conducted for the hollow glass micr...
Hierarchical carbonaceous monoliths with ordered 2-D hexagonal mesostructures have been successfully synthesized by using phenolic resols as precursors and mixed triblock copolymers as templates via a one-step hydrothermal approach.
Theoretical research has numerous challenges, particularly about modeling structures, unlike experimental analysis, which explores the mechanical behavior of complex structures. Therefore, this study suggests a new model for functionally graded shell structures called “Tri-coated FGM” using spatial variation material properties to investigate free vibration response incorporating porosities and...
Abstract Trojan asteroids (911) Agamemnon, (1172) Aneas, and (624) Hektor primitive asteroid (944) Hidalgo share a common thermal infrared spectral feature: prominent 10 μ m plateau that is also present in cometary comae spectra. To fit these spectra, we modeled individual minerals using the light-scattering multiple sphere T-matrix (MSTM) Hapke reflectance models. Modeled mineral spectra were ...
The detailed reservoir characterization was examined for the Central Indus Basin (CIB), Pakistan, across Qadirpur Field Eocene rock units. Various petrophysical parameters were analyzed with integration of various cross-plots, complex water saturation, shale volume, effective porosity, total hydrocarbon neutron porosity and sonic concepts, gas effects, lithology. In total, 8–14% high 45–62% sat...
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