650 research outputs found
学会抄録
Details for the selection of physicochemical properties from AAIndex database. (DOC 31 kb
The mediated public debate of British National Identity cards 1915-2008
Within the growing field of surveillance studies, national identity cards and related issues have become an important research topic. Most research in this field, however, does not consider the role of media in the development of surveillance. This research examines the history of mediated public debates about identity cards in the U.K. In the U.K, since the Identity Cards Bill 2004, National Identity cards have been widely debated across the British national newspapers once again after several heated historical debates in WWI, WWII, and the 1990s. It is this thesis s purpose to analyze the role of the British national newspapers in generating support and resistance in the development of British national identity cards in the past one hundred years, respectively in 1915, 1919, 1939, 1951, and from 1994 to 2008. This thesis also seeks to find out the continuities and changes in the way British national newspapers influence the repeated introduction and withdrawal of identity cards over time. Specifically, by employing the methods of content and frame analysis, the thesis examines the actors involved in the mediated debate of British national identity cards, their argumentation, the frames underlying the argumentation and the themes appeared in the debates, in order to find out to what extent the British print media supported or opposed the identity cards over time
Hidden Markov model in multiple testing on dependent count data
Multiple testing on dependent count data faces two basic modelling elements: the choice of distributions under the null and the non-null states and the modelling of the dependence structure across observations. A Bayesian hidden Markov model is constructed for Poisson count data to handle these two issues. The proposed Bayesian method is based on the posterior probability of the null state and exhibits the property of an optimal test procedure, which has the lowest false-negative rate with the false discovery rate under control. Furthermore, the model has either single or mixture of Poisson distributions used under the non-null state. Model selection methods are employed here to decide the number of components in the mixture. Different approaches of calculating marginal likelihood are discussed. Extensive simulation studies and a case study are employed to examine and compare a collection of commonly used testing procedures and model selection criteria.</p
Adsorption of Silica Nanoparticles onto Poly(<i>N</i>‑vinylpyrrolidone)-Functionalized Polystyrene Latex
This paper presents
a more general method to prepare silica-coated
polystyrene (PS) particles with minimal excess silica by adsorption,
highlighting the role of poly(N-vinylpyrrolidone)
(PVP).
The method is based on the addition of small silica nanoparticles
onto submicrometer-sized near-monodisperse polymer latex particles
under the conditions of monolayer silica coverage of the latex surface.
Either a cationic or an anionic initiator could be used in the PVP-involved
emulsion polymerization to prepare PS particles, and the adsorption
was conducted successfully either under acidic or basic conditions.
Neither a cationic initiator nor a basic condition is a prerequisite
for the adsorption process, which should be related to the much stronger
interaction between PVP and the silica surface. This method is expected
to substantially extend the adsorption conditions of polymer–silica
colloidal nanocomposite syntheses
Fig 4 -
(a, d) The soliton solutions. (b, e) Linear stability eigenvalues. (c, f) Stable or unstable propagations of nonlinear modes. The parameters are chosen as: a1 = −1, A1 = 0.5, V1 = V2 = 8, and (a-c) W1 = W2 = 3; (d-f) W1 = W2 = 2.</p
The relationship between power of nonlinear mode <i>ϕ</i><sub>2</sub> and <i>W</i><sub>1</sub>.
The parameters are chosen as: W1 = W2, and (a) V1 = V2 = 1, a1 = 1; (b) V1 = V2 = 8, a1 = −1.</p
Maximal imaginary part of the linearization eigenvalue <i>δ</i> in the (<i>V</i><sub>1</sub>, <i>W</i><sub>1</sub>)-space (common logarithmic scale), under the constraint of <i>A</i><sub>1</sub> = 0.5, <i>V</i><sub>1</sub> = <i>V</i><sub>2</sub>, <i>W</i><sub>1</sub> = <i>W</i><sub>2</sub> and (a) <i>a</i><sub>1</sub> = 1; (b) <i>a</i><sub>1</sub> = −1.
Maximal imaginary part of the linearization eigenvalue δ in the (V1, W1)-space (common logarithmic scale), under the constraint of A1 = 0.5, V1 = V2, W1 = W2 and (a) a1 = 1; (b) a1 = −1.</p
Fig 3 -
(a, d) The soliton solutions. (b, e) Linear stability eigenvalues. (c, f) Stable or unstable propagations of nonlinear modes. The parameters are chosen as: a1 = 1, A1 = 0.5, V1 = V2 = 1, and (a-c) W1 = W2 = 0.25; (d-f) W1 = W2 = 0.55.</p
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