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LaGuerre–Gaussian Emission Properties of Photonic Quantum Ring Hole-Type Lasers
Ide, K.,Lee, S.E.,Kim, Y.C.,Kim, D.K.,O'Dae Kwon IEEE 2008 IEEE TRANSACTIONS ON NANOTECHNOLOGY Vol.7 No.2
<P>We report on the observation of LaGuerre-Gaussian (LG) beam profiles of photonic quantum ring (PQR) hole-type lasers. Naturally formed LG beams are highly valuable for optical tweezering applications, like transporting or manipulating DNA molecules. Various devices with different injection currents and hole diameters have been analyzed.</P>
( Ide Seinosuke ) 국립중앙박물관 2010 Journal of Korean Art and Archaeology (JKAA) Vol.4 No.0
Recent studies on Buddhist paintings of the Song and Yuan dynasties have focused on the meaning and function of individual works clarifying the original contexts created by the interrelations among paintings, places, and people, or the networks of exchanges that once existed. This scholarly approach is contributing to the shift toward a synchronic perspective in academia. And yet, art historians are responsible for contemplating visuality related to the overall system of ways of seeing in a broader perspective. In this presentation, I would like to examine the visual representations of Buddhist icons in an attempt to identify the general characteristics of Song and Yuan Buddhist paintings. Considering representational functions of Buddhist paintings, Southern Song Buddhist paintings may be classified into three categories: visualized images (心中感得像), apparition images (示現像), and summoned images (勧請像). Visualized images refer to paintings that represent the image of Buddha as perceived in one’s mind, corresponding to the practice of visualizing the Buddha (観仏). Apparition images, contrary to the visualized images, refer to paintings depicting Buddha and Buddhist deities, otherwise resident in their heavenly abodes, who appear in this world by means of their supernatural powers. Finally, summoned images are paintings representing Buddha who, invoked and summoned by the faithful, emerges from the ideal world of light into the physical world of vicissitudes. The third type of images is characterized by Buddha portrayed moving in the air on his way to this world. The Yuan dynasty in China witnessed the emergence of a new type of visual representation of Buddha, which can be described as syncretic images of Buddhism with Daoism. It brought major changes to the visual representation of Buddhist paintings, which until this time had followed the style of the Southern Song period. In these syncretic images, the distance between this world and the ideal world becomes further blurred, ultimately bringing Buddha, depicted in Southern Song Buddhist paintings as residing in the ideal world and removed from this world, to the real world, in front of the eyes of the faithful.
SOME THOUGHTS ON ENGLISH LANGUAGE TEACHING
Ide,John H. 한국외국어대학교 외국어 종합연구센터 언어연구소 1977 언어와 언어학 Vol.5 No.-
You will note that in each phase the general outline is the same. The differences lie only in the detail of application. One consideration is the subtle shift in emphasis from one method to another depending often on the teachers's view of the teacher-student relationship and the students' progress. Combined in each phase are many methods which can be used effectively in language teaching which are not necessarily specific to English language teaching, but I believe general to all second language teaching. Many books have been written covering methodology and techniques of teaching which seldom take into consideration the psychological state of the students. Therefore, as we can see in English language teaching certain techniques seem to predominate at each stage and level of learning which in spite of often trial and error application have a definite psychological basis. In the childhood stage, for example, because of the natural limitations of childhood the oral-aural method predominates. At later stages the oral-aural method is gradually supplanted or supported by more and more cognitive methods including reading and writing. In any case, however, no one method can be used to the exclusion of all others. We usually see the oral-aural methods as a beginning point in the language learning process, since this follows the speech before writing pattern of human development. By beginning with the familiar and interesting the teacher can help the student maintain the needed motivation for language learning while at the same time the student's proficiency is increasing. Over dependence on any one method can in itself be self-defeating when the method is unrewarding to the student and/or boredom sets in. The teacher must recognize that point and introduce new or different methods or materials in order to restimulate the student. As the student becomes more mature and/or proficient both in the concepts of his own language and those of the target language we must use more and more cognitive methods based on self-discovery. This is most advantageous to adult learners whose application of analysis can aid them in gaining insight into the language.
Factor Prices and the Shape of Average Cost Curves with Special References To International Trade
Ide, T.,Takayama, A. 세종대학교 국제경제연구소 1989 Journal of Economic Integration Vol.4 No.2
This paper shows that the shapes of average cost and marginal cost curves and the possibility of scale economies can be quite sensitive to factor price configuration. We illustrate our analysis in terms of "international competitiveness."
Photoacoustic Effect of Ethene: Sound Generation due to Plant Hormone Gases
Ide, David W.,Park, Han Jung Korean Chemical Society 2017 대한화학회지 Vol.61 No.4
Ethene ($C_2H_4$), which is produced in plants as they mature, was used to study its photoacoustic properties using photoacoustic spectroscopy. Detection of trace amounts, with $N_2$ gas, of $C_2H_4$ gas was also applied. The gas was tested in various conditions-temperature, concentration of the gas, gas cell length, and power of the laser- to determine their effect on the photoacoustic signal, the ideal conditions to detect trace gas amounts, and concentration of $C_2H_4$ produced by an avocado and a banana. A detection limit of 10 ppm was determined for pure $C_2H_4$. A detection of 5% and 13% (by volume) concentration of $C_2H_4$ was produced for a ripening avocado and banana, respectively, in closed space.
(Mitsuharu Ide),(Hiroki Uchiyama),(Toshifumi Ishikura) 한국화학공학회 1999 Korean Journal of Chemical Engineering Vol.16 No.5
A gas-liquid two phase plunging jet is formed through a gas sucking type multi-jet ejector nozzle. In this study, the effects of various conditions in the multi-jet ejector nozzle, the column diameter, and the liquid jet length on penetration depth of air bubbles l_B and gas holdup h_G in a gas-liquid two phase plunging jet absorber were studied experimentally. Consequently, empirical equations concerning l_B and h_G were obtained, respectively. These equations agree with the experimental data with an accuracy of ±20% for l_B and ±25% for h_G.
( T. Ide ),( A. Takayama ) 세종대학교 경제통합연구소 1989 Journal of Economic Integration Vol.4 No.2
This paper shows that the shapes of average cost and marginal cost curves and the possibility of scale economies can be quite sensitive to factor price configuration. We illustrate our analysis in terms of "international competitiveness,"