1,893 research outputs found

    A Survey of Chinese Public Service Advertising From Systemic Functional Perspective

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    This paper studies the lexicogrammatical resources that realize interpersonal meanings in the discourse of public service advertising (PSA for short) in an attempt to explore the relationship established between the advertiser and the audience and how it contributes to the communicative effect of the target discourse.The qualitative analysis is complemented with quantitative study to produce more sensible generalizations about the features of this discourse type on the basis of systemic functional linguistics

    Business Process Analysis and Implementation Strategies of Greening Logistics in Appliances Retail Industry

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    The whole world ecological environment worsens, and low-carbon economical and sustainable development becomes the general trend. The retail trade as the middle link of the whole economic cycle plays an important role on the relations of each essential factor in the entire economic environment. The concepts of low-carbon economy, and green logistics, and electrical appliances retail trade are discussed and the problems existing in the green logistics of the electrical appliances retail trade are explored. Based on the analysis of the business process and functions of green logistics in the electrical appliances retail trade, the system architecture of green logistics in the electrical appliances retail trade is established. Finally, the strategies and measures of greening logistics in the electrical appliances retail industry are proposed

    Revisiting adverse effects of cross-hybridization in Affymetrix gene expression data: do they matter for correlation analysis?

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    <p>Abstract</p> <p>Background.</p> <p>This work was undertaken in response to a recently published paper by Okoniewski and Miller (BMC Bioinformatics 2006, <b>7</b>: Article 276). The authors of that paper came to the conclusion that the process of multiple targeting in short oligonucleotide microarrays induces spurious correlations and this effect may deteriorate the inference on correlation coefficients. The design of their study and supporting simulations cast serious doubt upon the validity of this conclusion. The work by Okoniewski and Miller drove us to revisit the issue by means of experimentation with biological data and probabilistic modeling of cross-hybridization effects.</p> <p>Results.</p> <p>We have identified two serious flaws in the study by Okoniewski and Miller: (1) The data used in their paper are not amenable to correlation analysis; (2) The proposed simulation model is inadequate for studying the effects of cross-hybridization. Using two other data sets, we have shown that removing multiply targeted probe sets does not lead to a shift in the histogram of sample correlation coefficients towards smaller values. A more realistic approach to mathematical modeling of cross-hybridization demonstrates that this process is by far more complex than the simplistic model considered by the authors. A diversity of correlation effects (such as the induction of positive or negative correlations) caused by cross-hybridization can be expected in theory but there are natural limitations on the ability to provide quantitative insights into such effects due to the fact that they are not directly observable.</p> <p>Conclusion.</p> <p>The proposed stochastic model is instrumental in studying general regularities in hybridization interaction between probe sets in microarray data. As the problem stands now, there is no compelling reason to believe that multiple targeting causes a large-scale effect on the correlation structure of Affymetrix gene expression data. Our analysis suggests that the observed long-range correlations in microarray data are of a biological nature rather than a technological flaw.</p> <p>Reviewers:</p> <p>The paper was reviewed by I. K. Jordan, D. P. Gaile (nominated by E. Koonin), and W. Huber (nominated by S. Dudoit).</p

    Three-dimensional structure of the milky way dust: modeling of LAMOST data

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    We present a three-dimensional modeling of the Milky Way dust distribution by fitting the value-added star catalog of LAMOST spectral survey. The global dust distribution can be described by an exponential disk with scale-length of 3,192 pc and scale height of 103 pc. In this modeling, the Sun is located above the dust disk with a vertical distance of 23 pc. Besides the global smooth structure, two substructures around the solar position are also identified. The one located at 150∘<l<200∘150^{\circ}<l<200^{\circ} and βˆ’5∘<b<βˆ’30∘-5^{\circ}<b<-30^{\circ} is consistent with the Gould Belt model of \citet{Gontcharov2009}, and the other one located at 140∘<l<165∘140^{\circ}<l<165^{\circ} and 0∘<b<15∘0^{\circ}<b<15^{\circ} is associated with the Camelopardalis molecular clouds.Comment: 15 pages, 6 figure, accepted by Ap

    Business Process Analysis and Implementation Strategies of Greening Logistics in Appliances Retail Industry

    Get PDF
    The whole world ecological environment worsens, and low-carbon economical and sustainable development becomes the general trend. The retail trade as the middle link of the whole economic cycle plays an important role on the relations of each essential factor in the entire economic environment. The concepts of low-carbon economy, and green logistics, and electrical appliances retail trade are discussed and the problems existing in the green logistics of the electrical appliances retail trade are explored. Based on the analysis of the business process and functions of green logistics in the electrical appliances retail trade, the system architecture of green logistics in the electrical appliances retail trade is established. Finally, the strategies and measures of greening logistics in the electrical appliances retail industry are proposed
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