نتایج جستجو برای: sem stress
تعداد نتایج: 501565 فیلتر نتایج به سال:
A seer, according to one dictionary definition, is a person who can predict events or developments; someone, in other words, who can foretell the future. As far as I know, Yehoshua Bar-Hillel never actually claimed to be a seer. He was first and foremost a scientist (a logician and philosopher of science), not a prophet. But in his many writings on machine translation in the 1950's and early 60...
This atudy was designed to evaluate the antifungal and cytotoxic activities of the Nannorrhops ritchiana (Mazari Palm) 80% methanol extract (NR-M) and its four crude extracts i.e., petroleum ether (NR-A), dichloromethane (NR-B), ethyl acetate (NR-C) and butanol (NR-D). The antifungal activity was determined by agar tube dilution method against nine fungal strains; Aspergillus flavus, Trichophyt...
BACKGROUND The aim of this study was to investigate the proliferation, differentiation, and tube formation of human outgrowth endothelial progenitor cells (OECs) cultured with porous demineralized bone matrix (DBM) under a dynamic perfusion system in vitro. MATERIAL AND METHODS OECs were isolated, expanded, characterized, eGFP-transfected and seeded on DBM scaffold and cultured under static or ...
Probabilistic edge-delamination strength of a thermosetting polymer composite was studied experimentally in this work. During the procedure, by means of edge-delamination tensile test, the graphite–fiber/epoxy laminate made of unidirectional Toray P7051S-20Q-1000 prepregs with an optimized lay-up of [122/–122/02]S was used for examining its probabilistic distributions of the edge-delamination o...
Health and environmental impacts of graphene-based materials need to be thoroughly evaluated before their potential applications. Graphene has strong cytotoxicity toward bacteria. To better understand its antimicrobial mechanism, we compared the antibacterial activity of four types of graphene-based materials (graphite (Gt), graphite oxide (GtO), graphene oxide (GO), and reduced graphene oxide ...
Objectives: It is highly important to identify the factors related to the general quality of life of parents, especially mothers of children with autism. Therefore, the present study aims to predict parenting stress based on mindfulness and meta-parenting considering the mediating role of parental self-efficacy of mothers of children with autism. Methods: The present correlational study was co...
Electrochemical impedance spectroscopy (EIS) was used to detect stress corrosion cracking (SCC) in stainless steel 304 alloy exposed to an aqueous environment at 120 °C. Stainless steel 304 alloy as u-bend was tested in the solution that contains 40 weight percent of magnesium chloride. U-bended samples were prepared according to ASTM G30. EIS measurements were always performed simultaneously o...
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