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La evolución poética de Pablo Neruda y el surrealismo
Bahk, Juan-W 서울대학교 스페인중남미연구소 2005 이베로아메리카硏究 Vol.16 No.-
A través del análisis de varios poemas de Residencia en la tierra, La evolución poética de Pablo Neruda y el surrealismo no sólo se ha procurado seguir la gestación de la poesía surrealista del poeta sino que también se ha tratado de verificar la existencia de las características surrealistas en sus obras. Su autor ha querido también mostrar los discursos poéticos provenientes de la nueva poética naciente en España de aquel entonces, ya que por la amistad que tenía con los poetas del grupo poético del 27, Neruda estaba al tanto del cambio de la flamante poesía. Otro aspecto del que no podemos prescindir es que Neruda a los 15 años era conocedor del idioma francés y por ello leía las obras de Apollinaire, Rimbaud y Baudelaire; o sea, Neruda seguía teniendo contacto con los grandes precursores franceses cuyas contribuciones aportaron al nacimiento de la poesía vanguardista del siglo XX. Este estudio es un proceso ininterrumpido de la evolución poética de Pablo Neruda. Todo lo que tenía en su fondo personal, desde su origen humilde como el hijo de un ganadero y ferroviario hasta su carrera política como senador de Chile y cónsul en varios países de cuatro continentes, llega a cuajar muy bien con la constante evolución de su poética. Este trabajo ha trazado el trayecto de Neruda desde su inicio hasta Residencia en la tierra con el objetivo de que entendamos mejor su poesía surrealista.
Bahk, Yong-Whee,Kim, Sung-Hoon,Chung, Yong-An,Bahk, Won-Jong,Park, Jung-Mee,Kang, You-Mee,Choi, Woo-Hee,Park, Young-Ha,Sohn, Hyung-Sun,Kim, Byung-Ki,Chung, Soo-Kyo The Korea Society of Nuclear Medicine 2011 핵의학 분자영상 Vol.45 No.1
Purpose For the precise imaging diagnosis of osteoid osteoma (OO), the identification of the nidus and fibrovascular zone (FVZ) is essential. However, the latter sign has received little attention because it is difficult to demonstrate. We applied the recently introduced gamma correction (GC) to depict the FVZ on pinhole bone scan (PBS), conventional radiography (CR), and computed tomography (CT). Nongamma correction MRI was also analyzed for reference. Methods Ten patients with histologically proven diagnoses of OO were enrolled in this retrospective study. PBS, CR, and CTwere processed by GC to demonstrate the nidi and FVZ as distinct yet integrating components of OO. PBS was performed using a 4-mm pinhole collimator 3 h after iv injection of 925 to 1,110MBq (25 to 30mCi) of Tc-99mHDP, and anteroposterior and mediolateral CR and transverse CT were taken according to the standard technique. MRI sequences included T1- and T2-weighted images. For gamma correction, we utilized the Photo Correction Wizard program of ACD Photo Editor v3.1. A team of three qualified nuclear physician-radiologists, two nuclear physicians, and one MRI specialist read bone scans, radiographs, and MRIs of OO according to each specialty, and orthopaedic aspects and histology were reviewed by one qualified orthopedic surgeon and two qualified pathologists, respectively. Each observer first read the images separately with basic information about the aim of the study given and then in concert. Interpretive disagreement was settled by discussion and consensus. Results On pinhole scan, nidi were presented as areas of intense tracer uptake in all cases, and, importantly after GC, a thin ring-like zone with lower tracer uptake became visible in seven out of ten cases. GCCR also revealed a thin lucent zone that circumscribed the nidi in six out of ten cases and GCCT in two of four cases.MRI, without GC, presented nidi with high signal in the center and a thin ring-like zone with low signal in the periphery in five out of six cases. Ring-like zones were 1-2 mm in thickness and circumscribed the nidus as an integrated part and, hence, were morphologically interpreted as FVZ. Histologically, the presence of a variously mineralized FVZ was confirmed in four cases, but individual locusby- locus image-histology correlation could not be accompolished because specimens were fragmentary. In the FVZ, tracer uptake was lower than in nidi, presumably reflecting that bone metabolism in the two parts differs as in their histology. Statistically, no significant correlation existed between the duration of symptoms and imaging demonstrability of the FVZ (Spearman's test r=-0.057, p=0.877), but parallelism existed in the demonstrability of the FVZ among GC PBS, CR, and CT, and non-correction MRI. Conclusions GC was useful to enhance the resolution of PBS, CR, and CT in OO so that both the nidi and FVZ were separately imaged. The use of CG PBS and CR in combination is recommended for the specific diagnosis of OO with information about bone metabolism and anatomical characteristics. PBS and CR are economical and widely available.
A Study on Surface Excess and Surface Tension of Molten Lead Alloys
Bahk, Sae-Mahn,Cha, Kyung-Ok,Park, Myung-Kyun 明知大學校 産業技術硏究所 1993 産業技術硏究所論文集 Vol.12 No.-
Maximum Bubble Method를 사용하여서 5가지 종류의 Lead-Arsenic Alloy의 표면장력을 여러가지 온도에 따라서 측정하였다. Arsenic은 용융상태의 Lead에서는 界面活性의 特性이 있고, 극히 미량의 Arsenic이 용융상태의 Lead에 첨가되었을 때 Lead의 표면장력을 현저하게 저하시키는 것을 조사하였다.
Models of Corruption by Officials of an Arm's Length Agency
Bahk,Jaewan Korean Social Science Research Council Korean Nati 1999 Korean Social Science Journal Vol.26 No.2
This paper formulates three models of corrupt behavior of officials working for an arm's length agency in a portfolio framework: a basic model of endogenous detection, another model incorporating endogenous promotion; and the other allowing for the bribery rate to vary time. Main results are: (1) The development of a capital market, the extension of credit limits, or advance wages may be effective against corruption; (2) Sanction and the detection efforts are substitutes for each other, and thus tightening one would weaken the effect of the other; (3) Making the wage schedule more convex and increasing the pension contribution rate may be better, given a budget constraints, than a general increase in wages; (4) Due to a possibility of multiple stable equilibria, an overshooting policy to facilitate a shift toward a superior equilibrium may be needed during the transition period.
Search for the H Dibaryon in (K-, K+) Reactions
Bahk,S. Y.,Chung,K. S,Chung,S. H.,Funahashi,H.,Hahn,C. H.,Hara,T.,Hirata,S.,Hoshino,K.,Ieiri,M.,Iijima,T.,Imai,K.,Ishigami,T.,Itow,Y.,Kazuno,M.,Kikuchi,K.,Kim,C. O.,Kim,D. C.,Kim,J. Y.,Kobayashi,M.,Ko 國立昌原大學校 基礎科學硏究所 1992 基礎科學硏究所論文集 Vol.3 No.-
We have studied(??) reactions from an emulsion target. The S--2H dibaryon has been searched for by the analysis of the ??? momentum spectrum together with emulsion data. No evidence of H production was observed in the mass range of 1.90-2.16 GeV/c². Upper limits for the production cross section of the H are (0.2-0.6)% of that for the quasifree ??? production at the 90% confidence level.
Call Blocking Probabilities of Dynamic Routing Algorithms in B-ISDN Networks
Bahk, Sae-woong,Kim, Joon-hwan The Korean Institute of Electrical Engineers 1998 Journal of Electrical Engineering and Information Vol.3 No.1
In this paper we apply routing algorithms in circuit switched networks to B-ISDN networks and investigate the performance. B-ISDN supports a wide range of services with hetrogeneous bandwidth requirements. We assume that the network supports D classes of traffic. It is modeled as a finite D dimensional Markov chain. A call is blocked on arrival if the required bandwidth is not available on the route. The shortest path routing, alternate routing and trunk reservation are considered for performance comparison. We also consider trunk reservation with restricted access control where the network reserves certain amount of bandwidths for one class of traffic that assumes a higher transmission priority. Through the method of successive iterations, we obtain the steady state equilibrium probabilities and call blocking probabilities for dynamic routing. The results can be used to design a B-ISDN network that improves network connection availability and efficiency while simultaneously reducing the network costs.
Bahk, Yong Whee,Park, Young Ha,Chung, Soo Kyo,Kim, Sung Hoon,Shinn, Kyung Sub CATHOLIC MEDICAL CENTER 1994 Bulletin of the Clinical Research Institute Vol.22 No.2
A ^99mTc-MDP bone scan is invaluable in the study of bone diaseases especially when it is augmented with pinhole scintigraphy. We wish to describe a previously unknown, specife sign of chondromalacia patellae demonstrated by pinhole scintigraphy in six middle-aged and elderly patients. Noting an increased patellar uptake in a planar spot view, a medial pinhole scintigraphic scan of the patella was taken to detail the uptake pattern using 3-mm or 4-mm aperture pinhole collimator. The uptake pattern was analyzed in terms of location, definition, mode, grade and other associated changes, and correlated with radiographic and computed tomographic scan alterations. The planar views showed patellar uptake to be diffuse and nonlocalizing in five patients and ill-defined and spotty in the remianing patient. In contrast, pinhole scintigraphy revealed a small, spotty uptake well localized in the central retropatellar facet in all but one patient in whom uptake was segmental. a control pinhole scintigraphic study of 16 patients with their patellas involved by osteoarthrits (n= 6), rheumatiod arthritis (n=5) and Reiter's syndrome (n=5) also revealed retropatellar uptake with or without anterior patellar uptake in every patient. The chondromalacia patellae with localized osteolysis or osteopenia accumulated tracer intensely, whereas those without showed mild to moderate uptake. Spotty tracer uptake singly occuring in the central retropatellar facet without other knee joint attention appears pathognomonic of chondromalacia patellae in older patients.