منابع مشابه
Field detection of CO and CH4 by NIR 2f modulation laser spectroscopy
A novel compact fiber-coupled NIR system based on a DFB diode laser source is employed as a portable and sensitive gas sensor for trace detection of combustion pollutant molecules. We demonstrate the performance of such an NIR gas sensor by tracing the absorption lines of CO and CH4 using 2f-WMS technique at moderate temperature of T ~ 600°C in the recuperator channel of an industrial furnace...
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The diversity order is crucial for the performance of communication systems over Fading Channels. It has been shown by Zehavi that the diversity and hence performance of coded modulation over fading channels can be improved by bitwise interleaving at the encoder output, and by using an appropriate soft decision metric as an input t o the Viterbi decoder. A related approach is coordinate interle...
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Akermanite (Akg0) coexists with monticellite (Mo92) and wollastonite (Wo99) in an unusual calc-silicate xenolith in anorthosite at Cascade Slide in the Adirondack Mountains, New York. Experimental results bearing on the stability of akermanite have been evaluated through calculations based on thermochemical data and by chemical analysis of experimental products (Yoder 1975). A temperature of 75...
متن کاملMicrostructure, mechanical properties and in vitro bioactivity of akermanite scaffolds fabricated by laser sintering.
Akermanite had attracted great attention due to the favourable mechanical properties and excellent biological performance. In this research, the microstructure and mechanical properties of akermanite scaffolds fabricated via laser sintering under different process conditions were studied and characterized. The results showed that the akermanite particles gradually mixed together, grew up and re...
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Desirable scaffolds for tissue engineering should be biodegradable carriers to supply suitable microenvironments mimicked the extracellular matrices for desired cellular interactions and to provide supports for the formation of new tissues. In this work, a kind of slightly soluble bioactive ceramic akermanite (AKT) powders were aboratively selected and introduced in the PLGA matrix, a novel l-l...
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ژورنال
عنوان ژورنال: Proceedings of the Japan Academy, Series B
سال: 1992
ISSN: 0386-2208,1349-2896
DOI: 10.2183/pjab.68.25