• 한국방사성폐기물학회:학술대회논문집
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• 한국방사성폐기물학회 2019년도 춘계학술논문요약집
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• pp.337-338
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• 2019

• 한국환경보건학회지
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• 제36권6호
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• pp.465-471
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• 2010

This study aims to investigate the relationship between air pollution exposure and the prevalence of allergic rhinitis in a young population in the Ulsan metropolitan region (UMR). Data on physician-diagnosed allergic rhinitis (past 12 months) in 1,449 infants and children aged 1-18 years who lived within 1.5 or 2 km of air quality monitoring sites were collected in a cross-sectional health interview survey conducted between January-February 2006 in the UMR. Comparisons of the spatial distribution of the prevalence rates for allergic rhinitis and annual average pollutant concentrations over the region showed that a relatively high prevalence rate occurred around the coastal industrial area, with high PM10 concentrations. A linear correlation analysis demonstrated a positive correlation relationship between them (R = 0.680, p = 0.04). Multiple linear regression analysis revealed that the combined effect of the PM10 and $SO_2$ variables accounts for approximately 81% of the variance (R-square: 0.81) in the prevalence rate. From the multiple logistic regression analysis after adjustment by age, sex, and air-pollutant factors, the PM10 and $SO_2$ which were mainly from industrialrelated emissions were found to be significantly associated with an increased risk of allergic rhinitis (aOR: 1.76, 95% CI: 1.15-2.70 for PM10 ; aOR: 1.63, 95% CI: 1.12-2.35 for SO2).

• 방송공학회논문지
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• 제18권4호
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• pp.559-571
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• 2013

2차원 비디오를 3차원 스테레오 비디오로 변환할 때 기존 비디오에 삽입되어 있는 오버레이 텍스트(overlay text) 그래픽 영역으로 인해 발생하는 문제점을 이 논문에서 제시한다. 이를 해결하기 위한 방법으로 2차원 비디오를 오버레이 텍스트 그래픽 영역만 있는 영상과 오버레이 그래픽 영역이 추출되어 홀(hole)이 있는 영상으로 분리하여 처리하는 시나리오를 제안한다. 그리고 이 시나리오의 첫 번째 단계로 오버레이 텍스트 영역을 검색하고 추출하는 방법에 대해서만 이 논문에서 논한다. 비디오 시퀀스(sequence)가 입력되면 불필요한 연산 과정을 줄이기 위해 해리스 코너(Harris corner)로 얻어진 코너 밀도 맵을 이용하여 프레임 내 오버레이 텍스트의 존재 유무를 먼저 판단한다. 오버레이 텍스트가 있다면, 색(color) 정보와 움직임(motion) 정보를 결합하여 오버레이 텍스트 그래픽 영역을 검색하고 추출한다. 실험에서는 여러 가지 장르의 방송용 비디오에 대한 처리 결과를 보여주고 분석했다.

• 한국가스학회:학술대회논문집
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• 한국가스학회 1997년도 추계학술발표회 논문집
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• pp.217-222
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• 1997

• Journal of Genetic Medicine
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• 제15권1호
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• pp.38-42
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• 2018

WAGR (Wilms tumor, aniridia, genitourinary anomalies, and mental retardation) syndrome is a rare contiguous gene deletion syndrome caused by deleting genes including WT1 and PAX6 genes in 11p13 region, which is characterized by Wilms tumor, aniridia, genitourinary abnormalities, and intellectual disability. We report the clinical and cytogenetic characteristics of one Korean patient with WAGR syndrome. The patient shows bilateral sporadic aniridia and genital anomalies at 2 months of age. A heterozygous 14.5 Mb interstitial deletion of 11p14.3p12 region was detected by array comparative genomic hybridization. At 2 years and 10 months of age, Wilms tumor is found through regularly abdominal ultrasonography and treated by chemotherapy, radiation therapy and surgery.

• 한국의류산업학회지
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• 제13권3호
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• pp.382-389
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• 2011

Pants is an item of clothes of which physical suitability for improvement of appearance and movement is greatly emphasized. The pattern design of pants is very important because the fitness of crotch region, which is difficult to measure, is structurally essential in pants. This study gives detailed pattern development data for the future pattern design by considering design factors related with crotch region of pants and by suggesting related data. For this study, we measured and analyzed the measuring size of each parts of pattern and the design methods related with crotch region selecting 20 textbooks used in universities and institutes of higher education. Through this study, crotch region of pants pattern related design data were obtained and this result could be a primary information in development and education of pants pattern.

• Journal of Korean Neurosurgical Society
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• 제30권5호
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• pp.575-580
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• 2001

Purpose : In general, pineal region tumors are managed by using microsurgical approach or stereoctactic biopsy. However, in selected cases endoscopic approach to pineal lesions might prove to be as effective as microsurgery and less invasive. We report an alternative surgical strategy for managing certain patients with pineal neoplasms that allows treatment of the symptomatic hydrocephalus as well as tumor biopsy under direct vision in the same sitting. Materials and Methods : Twenty-two patients with pineal region tumors with associated hydrocephalus were treated in one session by endoscopic third ventriculostomy and endoscopic tumor biopsy at our institution from October 1996 to January 2000. All patients were retrospectively evaluated. Results : There was no operative mortality. There was one cause of significant bleeding during biopsy, but was controlled endoscopically, and the patient recovered completely without neurologic deficit resulting from intra-operative bleeding. The symptoms related to increased intracranial pressure(ICP) have resolved in all patients, and the need for a shunt is completely eliminated. Histological diagnosis was achieved in 21 of the 22 patients by this procedure. A biopsy was not obtained in one patient. Although this pineal region tumor was seen endoscopically, this could not be biopsied because of technical difficulties in working around an enlarged massa intermedia. The lesions included fourteen germinomas, three mixed germ cell tumors, and one each of the followings: pineocytoma, pineoblastoma, pineocytoma/pineoblastoma(intermediate type), meningioma, and low grade glioma. Five of the 22 patients subsequently underwent formal microsurgical tumor removal. Additional chemotherapy or radiotherapy could then be initiated according to the histological diagnosis. Conclusion : We consider that endoscopy affords a minimally invasive way of reaching three objectives by one-step surgery in the management of pineal region tumors with associated hydrocephalus : 1) cerebrospinal fluid(CSF) sample for analysis of tumour markers and cytology, 2) treatment of hydrocephalus by third ventriculostomy, and 3) several biopsy specimens can be obtained identifying tumors which will require further open surgery or adjuvant radiation and/or chemotherapy. However, complications and morbidities should be emphasized so as to be avoided with further technical experience.

• 한국대기환경학회지
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• 제32권4호
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• pp.394-407
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• 2016

The spatial air pollution distribution of the Ulsan metropolitan region (UMR) was analyzed using monitoring data and high-resolution numerical simulations. A three-year (2011~2014) analysis for the average concentrations from the 13 air quality monitoring sites in the UMR showed that $SO_2$ and $PM_{10}$ levels in industrial regions were much higher than those in other regions, whereas spatial differences of $NO_2$ and CO concentrations were not significant. In particular, elevated $O_3$ concentrations were clearly found at urban sites near petrochemical complex area. Results from high-resolution simulations by CMAQ model performed for four months of 2012 showed large spatial variations in grid-average pollutant concentrations between industrial areas and other areas in the UMR, which displayed significant changes with wind pattern by season. It was noted that the increases of $SO_2$ and $PM_{10}$ levels were limited in costal industrial areas or over the area nearby the sea in all seasons. Modeled $O_3$ concentrations were quite low in industrial areas and main urban roads with large $NO_x$ emissions. However, the model presented that all pollutant concentrations were significantly increased in the urban residential areas near the industrial complexes in summer season with increase of southerly wind.

• 한국대기환경학회지
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• 제31권2호
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• pp.181-194
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• 2015

Spatial-temporal meteorological features of the Ulsan metropolitan region (UMR) were analyzed using observations and high-resolution numerical modeling. Long-term trend analysis (1970~2013) showed a significant increase of $0.033^{\circ}Cyr^{-1}$ in the 5-year moving average temperature, although detailed short-term features varied, whereas wind speed and relative humidity over the same period displayed clear decreases of $-0.007ms^{-1}$ and $-0.29%yr^{-1}$, respectively. These trends indicate the effects of regional climate change and urbanization in the UMR. Seasonal variations averaged for the most recent three years, 2011~2013, showed that temperatures in three different regions (urban/industrial, suburban, coastal areas) of the UMR had similar seasonality, but significant differences among them were observed for a certain season. Urban and industrial complex regions were characterized by relatively higher temperatures with large differences (max.: $3.6^{\circ}C$) from that in the coastal area in summer. For wind speed, strong values in the range from 3.3 to $3.9ms^{-1}$ occurred in the coastal areas, with large differences clearly shown between the three regions in September and October. Diurnal variations of temperature were characterized by pronounced differences during the daytime (in summer) or nighttime (in winter) between the three regions. Results from the WRF modeling performed for four months of 2012 showed large variations in gridaverage temperature and winds in the UMR, which displayed significant changes by season. Especially, a clear temperature rise in the urban center was identified in July ($0.6^{\circ}C$ higher than nearby urban areas), and overall, relatively weak winds were simulated over urban and inland suburban regions in all seasons.

• Molecules and Cells
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• 제26권2호
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• pp.186-192
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• 2008

NELL2, a neural tissue-enriched protein, is produced in the embryo, and postembryonically in the mammalian brain, with a broad distribution. Although its synthesis is required for neuronal differentiation in chicks, not much is known about its function in the adult mammalian brain. We investigated the distribution of NELL2 in various regions of the adult rat brain to study its potential functions in brain physiology. Consistent with previous reports, NELL2-immunoreactivity (ir) was found in the cytoplasm of neurons, but not in glial fibrillary acidic protein (GFAP)-positive glial cells. The highest levels of NELL2 were detected in the hippocampus and the cerebellum. Interestingly, in the cerebellar cortex NELL2 was observed only in the GABAergic Purkinje cells not in the excitatory granular cells. In contrast, it was found mainly in the hippocampal dentate gyrus and pyramidal cell layer that contains mainly glutamatergic neurons. In the dentate gyrus, NELL2 was not detected in the GFAP-positive neural precursor cells, but was generally present in mature neurons of the subgranular zone, suggesting a role in this region restricted to mature neurons.