31,471 research outputs found
Direct numerical test of the B-G-K model equation by the DSMC method
No full textIn the present paper the rarefied gas how caused by the sudden change of the wall temperature and the Rayleigh problem are simulated by the DSMC method which has been validated by experiments both in global flour field and velocity distribution function level. The comparison of the simulated results with the accurate numerical solutions of the B-G-K model equation shows that near equilibrium the BG-K equation with corrected collision frequency can give accurate result but as farther away from equilibrium the B-G-K equation is not accurate. This is for the first time that the error caused by the B-G-K model equation has been revealed
G. K. Chesterton Portrait, Detail
No full textThis image is a detail of the oil portrait of the British author G. K. Chesterton (1874–1936), painted by Edwin Swan.https://collected.jcu.edu/chestertonimages/1001/thumbnail.jp
A study on the reliability of consecutive k-Out-of-n: G systems based on Copula
No full textThe computation of reliability characteristics of a system that consists of dependent components is sometimes difficult especially when the type of dependence is not known. This article introduces the copula method to calculate the reliability of dependent consecutive k-out-of-n: G systems. The components in these systems are dependent on each other and the dependency may be either linear or nonlinear. The copula is a popular tool for modeling the dependence structure of data. It contains the information about the dependency structure of a vector of random variables and can capture nonlinear dependence. Based on the copula theory, the article analyzes the consecutive k-out-of-n: G systems and gets the reliability indexes. Finally, some numerical examples are presented to illustrate the results obtained in this article.Peer reviewe
G. K. Chesterton Portrait
No full textThis item is an oil portrait of the British author G. K. Chesterton (1874–1936). It was painted by the Irish artist Edwin Swan. The portrait measures approximately 44.5 by 34 inches. This portrait is based on a black-and-white photograph of Chesterton taken in 1935 by the British photographer Howard Coster (1885-1959). This is a posthumous portrait, painted after Chesterton’s death in 1936.
Edwin Swan was born in Ballyragget, Ireland, and studied at the Academie Julian in Paris. This portrait of Chesterton was once exhibited at the Royal Academy in 1940.https://collected.jcu.edu/chestertonimages/1000/thumbnail.jp
The numbers of dependent k-sets in a graph are log concave
No full textA set of vertices in a graph is said to be dependent if it is not independent. Let p(k)(G) denote the number of dependent sets of size k in the graph G. We show that, for any graph G, the sequence {p(k)(G)} is logarithmically concave. (C) 2001 Elsevier Science.PT: J; CR: ANDERSON I, 1987, COMBINATORICS FINITE BONDY JA, 1976, GRAPH THEORY APPL BRENTI F, 1994, CONT MATH, V178, P71 HAMIDOUNE YO, 1990, J COMB THEORY B, V50, P241 HORROCKS DGC, 1999, EUR J COMBIN, V20, P131 HORROCKS DGC, 2000, AUSTRALAS J COMBIN, V22, P105 STANLEY RP, 1989, ANN NY ACAD SCI, V576, P500 WAGNER DG, 2001, J COMB THEORY A, V94, P383 ZHA XY, 1989, EUR J COMBIN, V10, P603; NR: 9; TC: 2; J9: J COMB THEOR B; PG: 6; GA: 517RGSource type: Electronic(1
Measurement of the ratio of branching fractions B(B0→K∗0γ )/B(B0s→φγ ) and the directCP asymmetry inB 0→K∗0γ
No full textThe ratio of branching fractions of the radiative B decays B0→K⁎0γ and B0s→ϕγ has been measured using an integrated luminosity of 1.0 fb−1 of pp collision data collected by the LHCb experiment at a centre-of-mass energy of s√=7TeV. The value obtained is
B(B0→K⁎0γ)B(B0s→ϕγ)=1.23±0.06(stat.)±0.04(syst.)±0.10(fs/fd),
where the first uncertainty is statistical, the second is the experimental systematic uncertainty and the third is associated with the ratio of fragmentation fractions fs/fd. Using the world average value for B(B0→K⁎0γ), the branching fraction B(B0s→ϕγ) is measured to be (3.5±0.4)×10−5.
The direct CP asymmetry in B0→K⁎0γ decays has also been measured with the same data and found to be
ACP(B0→K⁎0γ)=(0.8±1.7(stat.)±0.9(syst.))%.
Both measurements are the most precise to date and are in agreement with the previous experimental results and theoretical expectations
Dispelling the Myths Behind First-author Citation Counts
No full textWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
SOMATISKIE FRAZEOLOĢISMI K. ULMAŅA LATVIEŠU-VĀCU VĀRDNĪCĀ (1872) UN K. ULMAŅA / G. BRAŽES VĀCU-LATVIEŠU VĀRDNĪCĀ (1880)
No full textThe paper analyses Latvian and German somatic idioms in the dictionaries by K. Ulmann and K. Ulmann / G. Braže. Up to now the researchers of Latvian phraseology have not focused to analyse these theme – especially in diachronic aspect. The paper presents the most fixed somatic idioms in the Latvian and German and their equivalence types. The author compares with the meanings of idioms from the first dictionary (1638) to modern electronic dictionary “Modern Latvian dictionary”.KEY WORDS: the dictionaries by K. Ulmann and K. Ulmann / G. Braže, somatic idioms, somatic components, the equivalence types of German–Latvian somatic idioms.DOI: http://dx.doi.org/10.15181/rh.v19i0.132
An Appraisal Analysis of Gossip News Texts Written By Perez Hilton From Perezhilton.com (A Study Based on Systemic Functional Linguistics)
No full textClara Ertyas P. 2011. An Appraisal Analysis of Gossip News Texts Written By Perez Hilton From Perezhilton.com (A Study Based on Systemic Functional Linguistics).English Department, Faculty of Letters and Fine Arts, Sebelas Maret University.
This research explored the appraisal system in the gossip news text written by Perez Hilton, taken from his website, perezhilton.com. There were eight texts that were analyzed. They were two texts of Katy Perry, two text of Leona Lewis, two text of Miley Cyrus, and two texts of Chris Brown, which were analyzed using Appraisal Theory. Appraisal theory is concerned with attitude, graduation, and engagement. The objectives of this thesis were to find out what appraising items applied in those texts; how they were applied; and why they were applied, including the ideology.
This was a descriptive qualitative research. The technique of taking sample used in this research was total sampling. There were two data in this research, the primary data which was sourced from the eight analyzed texts, and the secondary data which was contained the information of Perez Hilton related to his writings.
The results show that the three kinds of attitudes (affect, jugdment, and appreciation) are applied in the texts, but mostly is judgment. The types of the items are in the forms of word, nominal group and clause. Mostly the attitudes are in the forms of epithet group, attitudinal lexis and mental process clauses. Meanwhile, the engagement is mostly monogloss.
The moslty graduation is force, and the scaling of the graduation is up- scaled. The attitudes are applied through the strong expression, and they are applied in Analytical Exposition genre. Additionally, the texts are written subjectively based on the writer’s aspiration.
The appraising items are applied in the texts because of the ideologies that the writer wants to convey. The ideologies are right antagonist for texts exposing Katy Perry and Leona Lewis; and left antagonist for texts exposing Miley Cyrus and Chris Brown. The ideology shows the writer’s style in writing gossip news text that he supports the artist if he likes and conversely he challenges the artists
who he does not like
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