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Kang, A.,Park, D.K.,Hyun, S.H.,Kim, Y.H.,Yun, W.S. North Holland 2015 Chemical physics letters Vol.639 No.-
<P>The pH, one of the critical factors in determining the size distribution of gold nanoparticles (AuNPs), is not maintained at a constant value during the synthetic reaction. In this work, AuNPs were synthesized in the pH range of 5.5-10.5 and the pH was monitored in situ throughout the whole synthetic process. It was found that the citrate-based AuNP synthesis could be divided into two stages according to phases of pH change: a pH-decreasing early stage and a pH-increasing final stage. The narrowest size distribution at pH 7.5 can be well understood with these two phases of pH change. (C) 2015 Elsevier B.V. All rights reserved.</P>
Contexts of Lacan : An Overview of Three Contexts Helpful for Understanding Lacanian Psychonalysis
Kangas, Kaj 경운대학교 산업기술연구소 2001 産業技術硏究論文誌 Vol.3 No.2(A)
The psychoanalyst Jacques Lacan, the French Freud, an intellectual giant who struggled to restore the radical, subversive spirit of the original Freud to the practice of psychoanalysis world-wide, influenced generations of the leading thinkers from the 1930s through to the 80s, in his native country, France. There, he is a household name. Yet, despite the importance of his thought, he is hardly known at all in North America, and especially not as a clinician He is somewhat better known in North American academic circles, particularly those of English, Literary Criticism and Film Studies. However, Lacanian psychoanalytic theory is widely viewed by students and academics as difficult, almost impossible to understand. There is also widespread misuse of Lacanian theory. There are many reasons Lacan's writings are difficult to understand. One important reason in that Lacanian theory is all too often read out of context. This paper presents overviews of three contexts, in particular, that North Americans neglect or are ignorant of: he context of the clinical basis of Lacanian theory, the personal and historical context of Lacan's ongoing battle with American-style ego-analysis and the context of the ongoing development of Lacanian psychoanalysis since Lacan's death in 1981.
Development of New Model of Mold Oscillator in Continuous Casting
G. P. Kanga,G. Shina,C. G. Kang 대한기계학회 2007 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.21 No.3
To develop the hydraulic mold oscillator in continuous casting machine, the guiding mechanism of mold was studied. The main topics of this study were to design the guiding mechanism of mold which oscillates to prevent the sticking and to reduce the friction resistant force between the solidified shell and mold on casting. We studied many guiding types to analyze the features of worldwide mold oscillator and developed the new model of hydraulic mold oscillator. On the basis of the mold oscillating experiment, the capability of guiding system was proofed by the position error measuring system. The experiment was carried out up to 50 ~ 500 cpm frequencies and 2~10 ㎜ stroke in the variable waveform and the casting results was analyzed by the oscillation mark of slab surface which was formed unavoidably by oscillation.