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남 · 녀 대학생의 강간통념 수용도, 성역할 고정관념에 대한 연구
오숙희(Oh, Suk Hee),강희순(Kang, Hee Soon),김윤희(Kim, Yun Hee) 한국보건간호학회 2010 韓國保健看護學會誌 Vol.24 No.2
Purpose: This study aimed to clarify the relationship between analysis of rape myths acceptance and gender role stereotype among university students. Method: First-year students at two three-year colleges in Jeonnam and two three-year colleges in Jeonbuk (n=406) were selected by convenience sampling. Of these, responses from 386 (95.8%) were analyzed. Result: Rape myths acceptance in male students was significantly higher than female students (t=5.400, p=.00). In terms of gender role stereotype, male students were significantly higher than female students (t=3.869, p<.001). The relationship between rape myths acceptance and gender role stereotype was in the middle range of correlation: male students’ correlation coefficient was r=.520 (=p<.001), and female students’ was r=.524 (p=<.001). Conclusion: The results indicate that university students’ attitudes toward sex have not been properly established yet. Moreover, they highlight that in our society there still exists a male dominated social structure and inequality of sexes. To prevent sexual violation from occurring at the universities, it is necessary that programs to establish proper attitudes of students toward these two factors, should be developed and the results monitored frequently. In addition, cross sectional studies aimed at understanding rape myths acceptance and gender role stereotypes are needed.
낙동강 하천 및 호소 퇴적물에서의 PAHS, OCPS, Co-PCBs 농도 분포와 발생원 펑가
강희형(Hee Hyung Kang),이인석(In Seok Lee),허인애(In Ae Huh),신원식(Won Sik Shin),황인성(In Sung Hwang),김영훈(Young Hoon Kim),허진(Jin Hur),신현상(Hyun Sang Shin),김준하(Joon Ha Kim),오정은(Jeong Eun Oh) 大韓環境工學會 2010 대한환경공학회지 Vol.32 No.7
본 연구에서는 낙동강 수계 내 하천 및 호소의 퇴적물을 대상으로 16종의 다환방향족탄화수소(PAHs), 다염화바이페닐(PCBs), 유기염소계 농약(OCPs)류를 분석하였다. 하천 퇴적물에 존재하는 16종의 PAHs와 12종의 Co-PCBs 농도 수준은 각각 N.D.~969.3ng/g-dry, 4.2~7716.5pg/g-dry(0.0~10.1 pg-TEQ/g-dry)이었다. 호소 퇴적물에 존재하는 16종의 PAHs류는 5.8∼2987.2ng/g-dry, 12종의 co-PCBs는 4.3~461.1 Pg/g-dry(0.0~0.6 pg-TEQ/g-dry), OCPs의 농도 수준은 N.D.~1.5ng/g-dry이었으며, OCPs 중 DDT류만 검출되었다. 이는 환경질 평가를 위한 가이드 라인보다 훨씬 낮은 수준이었다. 낙동강 수계 내 하천 퇴적물에 존재하는 16종의 PAHs 중 저분자 PAHs의 비율이 높은 반면, 호소에서는 중·고분자 PAHs의 비율이 높았다. 그리고 PCBs는 모든 퇴적물 시료에서 PCB-118과 PCB-105의 비율이 가장 높게 나타났으며, 이는 이전의 연구와도 일치하는 결과이다. 검출 된 PAHs와 Co-PCBs의 배출원 추정 결과,PAHs의 경우 일부 지점들을 제외한 대부분의 지점들이 석탄 및 바이오패스의 연소 와 관련 있었으며, Co-PCBs의 경우 상업적인 PCBs와 관련이 있음을 알 수 있었다. We investigated the levels and distribution patterns of 16 priority polycyclic aromatic hydrocarbons (PAHs), 12 Coplanar polychlorinated biphenyls (Co-PCBs) and organochlorine pesticides (OCPs) in the surface sediments from the Nakdong river basin, Korea. The levels of 16 PAHs and 12 Co-PCBs in the river sediment samples ranged from not detected (N.D.)~969.3ng/g-dry, 4.2~7716.5pg/g-dry (0.0~10.1pg-TEQ/g-dry), respectively. Also, the levels of 16 PAHs were from 5.8~2987.2ng/g-dry and 4.3~461.1pg/g-dry (0.0~0.6 pg-TEQ/g-dry) for 12 Co-PCBs in the lake sediment samples. Only dichloro-diphenyl-trichloroethane (DDT) were detected among target OCPs and the concentration ranged from N.D.~1.5ng/g-dry in the river sediment samples. These contamination levels were far below the guideline values suggested for environmental quality assessment. Low molecular weight PAHs were dominant in the river sediment samples, while middle and high molecular weight PAHs were dominant among 16 PAHs in the lake sediment samples. PCB-118 and PCB-105 were predominant congeners in the sediment, which were similar to the results obtained from previous studies. With these results, the assessment of potential sources of PAHs and Co-PCBs contamination in the sediments of the Nakdong river basin was performed. The pyrogenic-PAHs originated from combustion of fossil fuel and biomass were related with the PAHs contribution in most of the sediment samples, and Co-PCBs in the sediment samples were related with commercial PCB products.
다층 지하 구조물로의 고고도 전자기파(HEMP) 커플링 현상에 대한 전자기적 모델링
강희도(Hee-do Kang),오일영(Il-Young Oh),김정호(Jung Ho Kim),육종관(Jong-Gwan Yook) 한국전자파학회 2012 한국전자파학회논문지 Vol.23 No.3
본 논문에서는 다층 지하 구조물로의 고고도 전자기파(high altitude electromagnetic pulse: HEMP)의 커플링 현상을 분석하였다. 이를 위하여, 고고도 전자기파에 대한 모델링을 통하여, 고고도 전자기파의 스펙트럼이 100 MHz 이상의 대역에서 -30 dB 이하로 급격히 감소함을 확인하였다. 또한, 고고도 전자기파의 커플링 영역인 다층 지하 구조물은 지구의 표면과 내부를 구성하는 5층 구조물로 가정하여, 본 구조물을 구성하는 물질의 전파 상수(propagation constant)를 바탕으로 투과 현상을 분석하였다. 그 결과, 50 kV/m의 평면파를 입사시켰을 때, 지상에서 100 m 깊이에 위치한 지하 터널에서 0.1 MHz와 1 MHz의 평면파에 대하여 각각 약 10 kV/m와 5 kV/m의 투과 현상이 발생함을 확인하였다. 투과된 전기장의 효과적인 차폐 효과 확보를 위하여 토양층의 감쇠 상수(attenuation constant)를 이용한 자연 차폐 방법과 금속 격자 구조물의 필터링(filtering) 현상을 이용한 차폐 방법을 통하여 각각 최대 20 dB와 90 dB의 차폐 효과를 얻을 수 있음을 분석하였다. This paper gives a electromagnetic coupling mechanism of the high altitude electromagnetic pulse (HEMP) into large- scale underground multilayer structures using analytic and numerical methods. The modeling methods are firstly addressed to the HEMP source which can be generated by intentional nuclear explosion. The instantaneous and intense electromagnetic pulse of the HEMP source is concerned from DC to 100 MHz band, because the power spectrum of the HEMP is rapidly decreased under -30 dB over the 100 MHz band. Through this range, a penetrated electric field distribution is computed within the large-scale underground multilayer structures. As a result, the penetrated electric field intensities at 0.1 and 1 MHz are about 10 and 5 kV/m, respectively. Therefore, additional shielding techniques are introduced to protect buried structures within the large-scale underground structures such as high-lossy material and filtering structures (wire screen).
강희인,이원학,오해수,김동석,김상중,Kang, Hee-In,Lee, Won-Hak,Oh, Hae-Soo,Kim, Dong-Suk,Kim, Sang-Joong 대한악안면성형재건외과학회 2005 Maxillofacial Plastic Reconstructive Surgery Vol.27 No.6
Keratoacanthoma is a benign, self-limited epithelial lesion that closely resembles Squamous cell carcinoma(SCC). Keratoacanthoma occur primarily exposed skin in male patients over 45 years of ages. although etiology is unknown, sunlight, genetic, and human papillomavirus factor have been considered. in clinical feature, rapid enlargement occurs over 4$\sim$8 weeks, resulting ultimately in a hemispheric, firm, elevated, asymptomatic nodule that contains a central plug of keratin. When fully developed, the keratoacanthoma contains a core of keratin surrounded by a concentric collar of raised skin. Over the next 4$\sim$8 weeks, static lesion persists. Then undergoes spontaneous regression over the next 6$\sim$8weeks period by expulsion of the keratin core with resorption of the mass. In histologic feature, Keratoacanthoma consists of hyperplastic squamous epithelium growing into the underlying connective tissue. The surface is covered by a thickened layer of parakeratin with central plugging. Epithelium cell shows dysplastic features and the margins the normal adjacent epithelium is elevated. The differential diagnosis includes SCC. Keratoacanthoma present as a exophytic lesion with horny keratin occupying a depression on the top of the lesion, persists static period and undergoes rapid growth compared with SCC. Keratoacanthoma is usually treated by surgical excision or curettage of the base, spontaneous regression does not occur in every case. A 60 years old male who present facial lesion visit our hospital and surgical excision was done. Biopsy result was keratoacanthoma. We report case with review of literatures.
2차원 비정렬 격자에서의 내재적 기법을 이용한 난류 유동 계산
강희정(Hee Jung Kang),권오준(Oh Joon Kwon) 한국전산유체공학회 1997 한국전산유체공학회 학술대회논문집 Vol.1997 No.-
An implicit viscous turbulent flow solver is developed for two-dimensional geometries on unstructured triangular meshes. The flux terms are discretized based on a cell-centered finite-volume formulation with the Roe's flux-difference splitting. The solution is advanced in time using an implicit backward-Euler time-stepping scheme. At each time step, the linear system of equations is approximately solved with the Gauss-Seidel relaxation scheme. The effect of turbulence effects is approximated with a standard k-ε two-equation model which is solved separately from the mean flow equations using the same backward-Euler time integration scheme. The triangular meshes are generated using an advancing-front/Iayer technique. Validations are made for flows over the NACAOO12 airfoiI and the Douglas 3-element airfoil. Good agreements are obtained between the numerical results and the experiment.