نتایج جستجو برای: layered structure
تعداد نتایج: 1593901 فیلتر نتایج به سال:
Two-dimensional (2D) nanomaterials, especially 2D organic nanomaterials with unprecedentedly diverse and controlled structure, have attracted decent scientific interest. Among the preparation strategies, the top-down approach is one of the considered low-cost and scalable strategies to obtain 2D organic nanomaterials. However, some factors of their layered counterparts limited the development a...
In this paper we explore the connections between the monadic second-order theory of one successor (MSO[<] for short) and the theories of ω-layered structures for time granularity. We first prove that the decision problem for MSO[<] and that for a suitable first-order theory of the upward unbounded layered structure are inter-reducible. Then, we show that a similar result holds for suitable chai...
Background and purpose: One of the most important challenges in nanomedicine is timely diagnosis and effective treatment of chronic disease. The aim of this research was to synthesize and characterize 3-layered magnetic silica nanocomposite with simultaneous application as a contrast agent in magnetic resonance imaging (MRI) and for drug delivery. Materials and methods: In this research, magne...
Rober tson has advanced the concept tha t all l ipoprotein membranes in and a round cells have the characterist ic triple-layered 'uni t membrane s t ructure" (8 10). O the r authors have reported occasional exceptions. Thus Lillibridge (6) described a single-layered m e m b r a n e in pepsiniferous cells in h u m a n stomach, and Kar re r (4) has ment ioned certain vesicles in lung phagocytes ...
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