Báo cáo hóa học: " An alternative route for the synthesis of silicon nanowires via porous anodic alumina masks" potx
Báo cáo hóa học: " An alternative route for the synthesis of silicon nanowires via porous anodic alumina masks" potx
... 6:495http://www.nanoscalereslett.com/content/6/1/495Page 7 of 7NANO EXPRESS Open Access An alternative route for the synthesis of silicon nanowires via porous anodic alumina masksFrancisco Márquez1*, ... article as: Márquez et al.: An alternative route for the synthesis of silicon nanowires via porous anodic alumina masks. NanoscaleResearch Letters 2011 6:495.Márquez et al. Nanoscale Research Letters ... present an alternative procedure tothose previously reported for the synthesis of nanowires. A porous structure (anodic aluminum oxide membrane) actsas an efficient template during the synthesis, ...
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Báo cáo hóa học: " A Versatile Route for the Synthesis of Nickel Oxide Nanostructures Without Organics at Low Temperature" doc
... played by the solvents and organics in the structural evaluation of NiO nanostructures. The EDX measurement indicates that nanoparticles arecomposed of Ni and O, and the analysis in the NiO nano-particles/nanoflowers ... waste.Therefore, the technique could be extended and expandedto provide a general simple and convenient strategy for the synthesis of nanostructures of other functional materialswith important ... to the authors 2008Abstract Nickel oxide nanoparticles and nanoflowershave been synthesized by a soft reaction of nickel powderand water without organics at 100 °C. The mechanism for the formation...
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Báo cáo hóa học: " A Temperature Window for the Synthesis of Single-Walled Carbon Nanotubes by Catalytic Chemical Vapor Deposition of CH4 over Mo2-Fe10/MgO Catalyst" pptx
... those metals.In the synthesis of SWCNTs by CCVD method, the temperature plays a key role. In this paper, we report the synthesis of SWCNTs by catalytic decomposition of methane over Mo2-Fe10/MgO ... catalyst and give a temper-ature window using Raman spectroscopy. With the relatively intensity of D band to the G band (ID/IG) and the transmission electron microscopy images of samples, ... represent the existence of SWCNTs arehardly shown. The data show no SWCNTs are formed andthere are only poorly multi-walled carbon nanotubes(MWCNTs) and organized carbon in the sample. The rel-atively...
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Báo cáo hóa học: "Single step process for the synthesis of carbon nanotubes and metal/alloy-filled multiwalled carbon nanotubes" docx
... observed.Raman spectra for SWNTs show the presence of RBM, at 388.9 cm–1, in addition to the G- and D-bands. The increase in the intensity of D-band for Ni-filled MWNTs is due to the non-uniform ... decomposition of methane over Ni–Cu–MgOcatalyst [24]. Since the morphology of depositedcarbon and the methane decomposition rate dependon the structure and nature of the active catalytic sitesand the ... further enhance the catalytic reactivity and active sites for the formation of CNTs.We have also analysed the outlet gas during meth-ane decomposition at various temperatures and studiedthe...
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Báo cáo hóa học: " An analytical model for the intercell interference power in the downlink of wireless cellular networks" ppt
... estimate of the pdf of the interference power, for dif ferent values of the shadow-ing standard deviation, sdB. Based on these estimates,we then propose an analytical statistical model of the interference ... moment of G, both exact (ana-lytical) and approximated (computed from the typical set).We can see that the proposed method performs very well for the whole range of sdBvalues.Histograms of the ... (from the integral-form cdf), followed by non-uniform parti-tioning, and then inversion, of the cdf. Then, we gen-erate a typical set for N interferers using an appropriate combination of the...
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Báo cáo hóa học: " An Improved Algorithm for the Piecewise-Smooth Mumford and Shah Model in Image Segmentation" docx
... Publication by Yue Wang An improved algorithm for the piecewise-smooth Mumford and Shah functional is presented. Compared to the previous work of Chan and Vese, and Choi et al., extensions of the key functions ... develop the level set function φ on the diffused image instead of the extensions of u+and u−.Because the smoothing oper ator will blur the boundaries of objects, the contours or edges of the ... a compound image is composed of u+, u−, and the region of narrowband as shown in Figure 1.Letτ denote the width of the narrowband, and the compound image ξ can berepresented as follows:ξ(x)=...
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Báo cáo khoa học: "AN EXPERT SYSTEM FOR THE PRODUCTION OF PHONEME STRINGS FROM UNMARKED ENGLISH TEXT USING MACHINE-INDUCED RULES" pdf
... evaluated and the proper branch is then selected on the basis of values of the word features. The process is repeated until a leaf node of the tree is reached. The leaf node contains the value ... utterances be specified in terms of phoneme strings. The automatic transformation of normal English texts into phoneme strings is therefore a useful front-end process for any speech synthesis ... in the SEL. These unextractable attributes rely on the context the entry appeared in rather than on the entry itself and, therefore, cannot be reconstructed "a posterlori." The...
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Báo cáo khoa học: "An Intermediate Representation for the Interpretation of Temporal Expressions" ppt
... use of lexical and phrasal knowledge thatmean that some of the semantics of the expres-sion can already be computed. For example, in2DANTE stands for Detection and Normalisation of Tem-poral ... Hobbs and Feng Pan. 2004. An ontology of time for the semantic web. ACM Transactionson Asian Language Information Processing, 3(1),March.M. Negri and L. Marseglia. 2005. Recognition andNormalization ... andapplications. In Proceedings of the 40th Anniver-sary Meeting of the ACL.R. Dale and P. Mazur. 2006. Local semantics in the interpretation of temporal expressions. In Proceed-ings of the...
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báo cáo hóa học:" A practical approach for the validation of sterility, endotoxin and potency testing of bone marrow mononucleated cells used in cardiac regeneration in compliance with good manufacturing practice" docx
... whichactively digest the matrix. At the end-point of the assay,invasive cells appear on the underside of the porous mem-brane and can be quantified.Guidelines for sterility testing of biologics is ... designand coordination. All the authors read and approved the final manuscript.References1. Regulation (EC) No 1394/2007 of the European Parliamentand of the Council of 13 November 2007 on advanced ... medium(FTM) and soya-bean casein digest medium (TSB) used for the culture of anaerobic and fungi/aerobic bacteria(THIOC-T and TSB-T, bioMerieux SA, Switzerland) wasperformed by incubating two vials of...
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Báo cáo hóa học: "Adaptive robot training for the treatment of incoordination in Multiple Sclerosis" doc
... chair, with their torso and wristrestrained by means of suitable holders, and grasped the handle of a planar robotic manipulandum [33] withtheir most affected hand. The position of the seat wasalso ... blocks of trials.However,noonedid,andinfactthetaskwaswell tolerated. Furthermore, there was no degradation of performance at the end of the adaptation phase as com-pared to the final portion of the ... experiments and analyzed the data.EV, VaS, and ViS performed the statistical analysis. ViS and CS wrote the manuscript.All authors read and approved the manuscript.Competing interests The authors...
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