نتایج جستجو برای: non aging materials

تعداد نتایج: 1798183  

Journal: :Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 1997

Journal: :Environmental science 2023

Emissions from large-scale fires significantly contribute to the atmospheric burden of primary organic aerosol (OA).

Journal: :Karbala International Journal of Modern Science 2018

2017
Wei Li Cheng Ding Shaojun Yin

Objective To explore the relationship between aging and the expression of monocyte chemoattractant protein (MCP) and cytokine-induced neutrophil chemoattractant (CINCs) in patients with pneumonia. Results Bacteria counts in senile group were significantly higher than non-senile group, and while white blood cell and neutrophil counts in senile group were observably lower than non-senile group....

پایان نامه :0 1374

having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...

Journal: :Construction and Building Materials 2021

This paper presents the results of a European benchmark on multiscale creep modeling for cementitious materials, performed in framework COST Action TU1404 “Towards next generation standards service life cement-based materials and structures”. Three micromechanical models from three research groups have been adopted basic non-aging materials. The is based hypotheses that only calcium-silicate-hy...

2005
P. L. FAN J. M. POWERS

Wear of restorative materials has been characterized in vitro using single-pass sliding.'4 Wear patterns and surface structures of composite restorations in vivo have been reported by Kusy and Leinfelder5 and by O'Brien and Yee.6 However, there have been few reports on the correlation between in vitro and in vivo wear. One reason could be that the in vivo wear characteristics result from gradua...

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