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백태웅 慶尙大學校 1983 論文集 Vol.22 No.2
조형미술과 특히 회화 (Max Bill)로 통하는 문학적-역사적 차원에서 구체적인 시학의 개념을 설명하는 시도를 나의 논문의 첫부분으로 다루고 있다. 이전에 구체적 시학을 구조 관계와 기능의 관계로 보고 있는 Eugen Gomringer는 모든 분류와 정의규정에 찬성하지 않는 다른 구체주의자들과 반대 입장에 있다. 나의 논문의 두번째 부분이 다루는 Ernst Jandl도 역시 그렇다. 구체성의 분명한 정의는 그 개념을 문학적인 구체성에 관련시키는 Henz Gappmayr의 결론에서 유래한다. 즉, 모든 낱말은 자체에 있어서 실재이고 시는 아니다. 나의 논문의 중간부분은 "Jandln"은 무엇인가?"라는 제목을 다루는 것이고 동시에 아마 가장 잘 알려진 구체적 작가인 Ernst Jandl의 세계로의 통찰을 해보는 것이다. Jandl에 기인해서 Wien의 모임, 다다이즘 주의자들의 영향과 그러한 시작의 의도를 연구하는 구체적 시학에 대한 동기를 연구한다. 시인이 언어를 음향효과적으로, 시학적으로, 의사소통적으로 실현하는 것과 같이 보기들에 의행서 나타나고 있다. "Jandln"은 언어를 반형하는 예술적인 욕망이며, 논문의 마지막 이루게 된다. 즉 나는 학생들과 함꼐 어떻게 구체적 시학의 유추화를 작성할 수 있을까?하는 적용으로 된다. 출발점으로서 Jandl의 말하는 시 "Ottosmops"가 도움을 준다. 그 시는 교수법상으로 분석되어서 결국 한과의 실현도움으로 진술된다.
Kim, Wooyul,Yuan, Guangbi,McClure, Beth Anne,Frei, Heinz American Chemical Society 2014 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.136 No.31
<P>An all-inorganic polynuclear unit consisting of an oxo-bridged binuclear ZrOCo<SUP>II</SUP> group coupled to an iridium oxide nanocluster (IrO<SUB><I>x</I></SUB>) was assembled on an SBA-15 silica mesopore surface. A photodeposition method was developed that affords coupling of the IrO<SUB><I>x</I></SUB> water oxidation catalyst with the Co donor center. The approach consists of excitation of the ZrOCo<SUP>II</SUP> metal-to-metal charge-transfer (MMCT) chromophore with visible light in the presence of [Ir(acac)<SUB>3</SUB>] (acac: acetylacetonate) precursor followed by calcination under mild conditions, with each step monitored by optical and infrared spectroscopy. Illumination of the MMCT chromophore of the resulting ZrOCo<SUP>II</SUP>–IrO<SUB><I>x</I></SUB> units in the SBA-15 pores loaded with a mixture of <SUP>13</SUP>CO<SUB>2</SUB> and H<SUB>2</SUB>O vapor resulted in the formation of <SUP>13</SUP>CO and O<SUB>2</SUB> monitored by FT-IR and mass spectroscopy, respectively. Use of <SUP>18</SUP>O labeled water resulted in the formation of <SUP>18</SUP>O<SUB>2</SUB> product. This is the first example of a closed photosynthetic cycle of carbon dioxide reduction by water using an all-inorganic polynuclear cluster featuring a molecularly defined light absorber. The observed activity implies successful competition of electron transfer between the IrO<SUB><I>x</I></SUB> catalyst cluster and the transient oxidized Co donor center with back electron transfer of the ZrOCo light absorber, and is further aided by the instant desorption of the CO and O<SUB>2</SUB> product from the silica pores.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/2014/jacsat.2014.136.issue-31/ja504753g/production/images/medium/ja-2014-04753g_0008.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ja504753g'>ACS Electronic Supporting Info</A></P>
Ying Chen,Hani S. Mahmassani,Andreas Frei 서울시립대학교 도시과학연구원 2018 도시과학국제저널 Vol.22 No.2
Location-based social networking data provide an important new dimension in understanding travel choice behaviour, providing high levels of location and time accuracy over long time frames in conjunction with explicit friendship network information. Such data allow examination of location choice dynamics and social networking aspects explicitly. This paper presents an exploration of social network based dynamics of choice set generation in the context of activity and travel choice behaviour, especially destination choice. Using data from an online location-based social network, the paper explores the spatiality of destinations and social network influence on travellers’ destination choice in the Chicago metropolitan area. The results show that social relationships play a role in travellers’ destination choices and that distance plays a strong role in social networks as in location choice. Connectivity through social network structure is examined jointly with individuals’ spatial activity engagement; the number of virtual friends is found to significantly influence actual physical travel behaviour. Finally, caveats in using social networking data for behaviour analysis and planning are discussed.
The detection of cavitation in hydraulic machines by use of ultrasonic signal analysis
Gruber, P.,Farhat, M.,Odermatt, P.,Etterlin, M.,Lerch, T.,Frei, M. Korean Society for Fluid machinery 2015 International journal of fluid machinery and syste Vol.8 No.4
This presentation describes an experimental approach for the detection of cavitation in hydraulic machines by use of ultrasonic signal analysis. Instead of using the high frequency pulses (typically 1MHz) only for transit time measurement different other signal characteristics are extracted from the individual signals and its correlation function with reference signals in order to gain knowledge of the water conditions. As the pulse repetition rate is high (typically 100Hz), statistical parameters can be extracted of the signals. The idea is to find patterns in the parameters by a classifier that can distinguish between the different water states. This classification scheme has been applied to different cavitation sections: a sphere in a water flow in circular tube at the HSLU in Lucerne, a NACA profile in a cavitation tunnel and two Francis model test turbines all at LMH in Lausanne. From the signal raw data several statistical parameters in the time and frequency domain as well as from the correlation function with reference signals have been determined. As classifiers two methods were used: neural feed forward networks and decision trees. For both classification methods realizations with lowest complexity as possible are of special interest. It is shown that two to three signal characteristics, two from the signal itself and one from the correlation function are in many cases sufficient for the detection capability. The final goal is to combine these results with operating point, vibration, acoustic emission and dynamic pressure information such that a distinction between dangerous and not dangerous cavitation is possible.
RESEARCH ARTICLES : Mapping a New Source of Self-fertility in Perennial Ryegrass (Lolium perenne L.)
( Andrea Arias Aguirre ),( Bruno Studer ),( Javier Do Canto ),( Ursula Frei ),( Thomas Lubberstedt ) 한국육종학회 2013 Plant Breeding and Biotechnology Vol.1 No.4
There is a rising interest of moving towards hybrid breeding in out crossing species. Self-compatibility (SC), which occurs at low rates in self-incompatible species, could be used to develop inbred lines, a key requirement for hybrid breeding programs. In perennial ryegrass, the existence of SC independent from the self-incompatibility (SI) loci S and Z has been reported. In this study, we used 98 F2 individuals from a cross between a self-compatible ecotype and an individual of the VrnA mapping population that were tested with markers for two candidate linkage groups 3 and 5 as well as markers for candidate regions at the S and Z locus. We were able to determine a tentative location of a SC locus and tested the possible interaction to other loci involved in SI and SC. This information will help to fine map the SC locus, and for marker-assisted selection.