نتایج جستجو برای: surface free energy
تعداد نتایج: 1681413 فیلتر نتایج به سال:
it has been revealed that the surface stress effect plays an important role in the mechanical behavior ofstructures (such as bending, buckling and vibration) when their dimensions are on the order ofnanometer. in addition, recent advances in nanotechnology have proposed several applications fornanoscale shells in different fields. hence, in the present article, within the framework of surfaceel...
Polyurethane polymer plays an important role in health care, and it is widely used in medical devices and instruments. However, the low biocompatibility and biofilm formation on the surface can be regarded as a challenging issue. Engineering the wetting capability of the surface is an effective way to increase the biodegradability of polymer surfaces with sufficient bulk properties. In this stu...
ABSTRACT The main objective of this work is to investigate the adsorption of Pyrrole 2-carboxylic acid (PCA) from O, N and C sites on the surface of pristine and Ni doped B12N12 nano cage by using density functional theory (DFT). The results of adsorption energy indicate that the adsorption of PCA on the surface of B12N12 and NiB11N12 is exoth...
Stripping is one of the major distresses within asphalt concrete pavements caused due to penetration water interface asphalt-aggregate matrix. In this work, grade cement (40-50) was mixed with variable percentages three types additives (fly ash, fumed silica, and phosphogypsum) obtained an modified resist effect stripping phenomena .The specimens have been tested for physical properties accordi...
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