3,668,127 research outputs found

    Hardening of an Al-Cu-Mg alloy containing type I and II S phase precipitates

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    The effect of different thermo-mechanical treatments on the hardness of the 2024 (Al-Cu-Mg) alloy was studied. Artificial ageing was conducted through heating at a constant rate to specific temperatures followed by rapid cooling. It was found that quenched only alloy 2024, which is found to form Type II S precipitates, possesses lower hardness compared to cold worked alloy 2024, on ageing to temperatures below 300°C. Cold working lowers the temperature required for S phase precipitation to start while decreasing the quenching rate is seen to give higher hardness on ageing to temperatures below 200°C. Type II S precipitate is found to result in lower hardening as compared to that due to Type I S precipitate. The reason for this is suggested to be due to the larger size of Type II S precipitate. The hardness of solution treated and subsequently cold worked and artificially aged 2024 is increased if the quenching is conducted in water at 80ºC, a slower quench. This effect is notable if the ageing temperature is below about 200º

    T.S. Hodgson, Camps near Yorktown, Virginia to Joseph Hodgson, Rich Valley PO, Allegheny County, Pennsylvania

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    Letter from T.S. Hodgson, a soldier from Company E, 105th Regiment, Pennsylvania Volunteers, to his uncle describing the town of Yorktown, Virginia during the Siege of Yorktown during the American Civil War. He described how he just go out of the hospital, firing shots against the rebels at the pickets, General McClellan as the head of the army, and not receiving a package from his uncle

    T.S. Eliot and the music of poetry

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    This thesis is a study of T.S. Eliot's poetry in the light of the different ways in which it can be considered 'musical'. Two concerns central to the thesis are: (1) Eliot's enduring interest in the musical quality of poetry; (2) the critical usefulness and viability of drawing analogies between his poetry and music. The thesis considers three important related topics: (1) Eliot's preoccupation with language, its inevitability and its inadequacy; (2) the figure of the seeker in his poetry; (3) his interest in mysticism. The thesis begins by exploring affinities between music and literature in the context of Wagner’s ideal of the 'Gesamtkunstwerk' and its influence on French Symbolist writers. It goes on to trace the development of T.S. Eliot's poetic style as influenced by the French Symbolist poets, by Dante and the mediaeval mystics, and by the music of Wagner, Stravinsky and other composers. Throughout, Eliot's poetry presents variations on the theme of detachment and involvement in relation to the figure of the seeker: consciousness is most engaged and challenged when it journeys. In the early poetry, music serves to emphasize failed relationships: the closer the physical proximity between protagonists, the greater the psychological distance. From The Waste Land on, Eliot makes use of myth and leitmotif to portray consciousness in the role of seeker urged on by the need for meaning. After his conversion to Anglo-Catholicism in 1927, Eliot's characters embark on a journey inward, where music, now "unheard", no longer signifies neurosis and despair, but becomes the only language for the ineffable

    Liu shi yu dan si ji

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    劉鳳著.綫裝, 1函.框20.1x13.6公分, 9行18字. 白口, 左右雙邊, 單黑魚尾. 版心上鐫"澹思集", 中鐫卷次, 下鐫葉次及"劉漙卿刻"書名及版式據卷三.書根題"劉侍御澹思集", 每冊書根題後分別錄"樂", "御", "書", "數"見《香港中文大學圖書館古籍善本書錄》(2001, p. 244)鈐有"天一閣", "沈氏鳴野山房圖籍印"Library's copy: 館存卷三至五, 卷九至十六, 共四冊 ; 缺卷一至二[v.1], 卷六至八[v.3]Xian zhuang, 1 han.Kuang 20.1 x 13.6 gong fen, 9 hang 18 zi. Bai kou, zuo you shuang bian, dan hei yu wei. Ban xin shang juan "Dan si ji", zhong juan juan ci, xia juan ye ci ji "Liu Tuanqing ke"Shu ming ji ban shi ju juan san.Shu gen ti "Liu shi yu dan si ji", mei ce shu gen ti hou fen bie lu "Yue", "Yu", "Shu", "Shu"Jian "Xianggang Zhong wen da xue tu shu guan gu ji shan ben shu lu" (2001, p. 244)Liu Feng zhu.Qian you "Tian yi ge", "Shen shi Ming ye shan fang tu ji yin"Library's copy: guan cun juan san zhi wu, juan jiu zhi shi liu, gong si ce ; que juan yi zhi er [v.1], juan liu zhi ba [v.3

    VAN ROOYEN, T.S. Inventory of documents

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    COVERAGE 1940; 1 File; 0.44 metrePrivate papers of T.S. van Rooyen, Lecturer in History at the Pretoria University

    Liu Kang

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    Liu Kang: Essays on Art and Culture is a testament to the inexorable passion of an artist who knew no boundaries. This collection of essays, which Liu Kang wrote over 44 years, offers an insight into the artist’s myriad interests as well as his contributions as a first generation Nanyang artist and art educator. Translated into English for this volume, Liu Kang’s essays are accompanied by commentaries and photographs of the artist-author and his subjects

    The examination of how modern, overeducated and intellectual men are alienated from their environment of materialistic values of the Modern Era, with regard to the poem “The Love Song of J. Alfred Prufrock” by T.S. Elliot.

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    An intellectual man eventually questions the deviations in his society and he is usually astounded by how he is obliged to stand alone in that society. This work specifically focuses on how the shattered values of Modern World lead the intellectual individual to alienation and suffering, with regard to the poem “The Love Song of J. Alfred Prufrock” by T.S. Elliot. The given imageries, stylistic devices, meanings and some certain references are examined as well, as indications of the suffering of the individual. The essay also includes the historical and social background of American Literature of twentieth century and stresses the relation between the mentioned factors and the attitude of modern men. After World War I, the artistic approach of some certain writers of the mentioned era has been mainly affected by the social changes. The main aim is to study how these changes influenced the poetry of T.S. Elliot; more specifically investigate the indications of that certain state of mind embedded in “The Love Song of J. Alfred Prufrock”. As a focus, the research question of this essay suggests concentrating on the topic by taking major themes, linguistics, structures, tone, atmosphere and setting of the poem into consideration. All the mentioned points are discussed in a detailed way in order to determine and comprehend the state of endurance and alienation of modern man. With the help of stylistic devices, language and themes he uses, Elliot demonstrates how he is distressful about the materialistic values of the Modern Era, as well as his personal suffering

    New Liu Estimators for the Poisson Regression Model: Method and Application

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    A new shrinkage estimator for the Poisson model is introduced in this paper. This method is a generalization of the Liu (1993) estimator originally developed for the linear regression model and will be generalised here to be used instead of the classical maximum likelihood (ML) method in the presence of multicollinearity since the mean squared error (MSE) of ML becomes inflated in that situation. Furthermore, this paper derives the optimal value of the shrinkage parameter and based on this value some methods of how the shrinkage parameter should be estimated are suggested. Using Monte Carlo simulation where the MSE and mean absolute error (MAE) are calculated it is shown that when the Liu estimator is applied with these proposed estimators of the shrinkage parameter it always outperforms the ML. Finally, an empirical application has been considered to illustrate the usefulness of the new Liu estimators.Estimation; MSE; MAE; Multicollinearity; Poisson; Liu; Simulation
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