http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이우성 ( Woo Sung Lee ),곽행구 ( Haeng Goo Gwak ),정성관 ( Sung Gwan Jung ),박경훈 ( Kyung Hun Park ) 한국지리정보학회 2007 한국지리정보학회지 Vol.10 No.1
The purpose of this study is to assess the urban amenity on physical environmental factors, and to verify the effectiveness of the amenity map using correlation analysis of the environmental quality. The physical environmental factors were set to 4 items of green space, landscape, water environment and land use, and the items were composed of 11 detail factors. Based on the factors, GIS maps were constructed and the amenity map was produced using overlay analysis. The results of this study are as follow; the proportion of 1~2 ranks was 40.8% of total area around Dalseong-gun, Dong-gu, Suseong-gu. The lower 6~7 ranks in the amenity assessment was 5.7% of total area around Jung-gu, Seo-gu, Dalseo-gu. According to the results of correlation analysis between the amenity and environmental observed data, SO2 among the air pollution material had a negative correlation with amenity(r=-0.649, p<0.05). In case of water pollution, TN and TP had the negative correlations with amenity (r=-0.643, P<0.01; r=0.642, p<0.01).
Gwak, Ho-Shin,Park, Myung-Jin,Park, In-Chul,Woo, Sang Hyeok,Jin, Hyeon-Ok,Rhee, Chang Hun,Jung, Hee-Won American Association of Neurological Surgeons 2014 Journal of Neurosurgery Vol.121 No.6
<P>Local invasiveness of malignant glioma is a major reason for the failure of current treatments including surgery and radiation therapy. Tetraarsenic oxide (As4O6 [TAO]) is a trivalent arsenic compound that has potential anticancer and antiangiogenic effects in selected cancer cell lines at a lower concentration than arsenic trioxide (As2O3 [ATO]), which has been more widely tested in vitro and in vivo. The authors tried to determine the cytotoxic concentration of TAO in malignant glioma cell lines and whether TAO would show anti-invasive effects under conditions independent of cell death or apoptosis.</P>
동시진공 증발법을 이용한 Cu<sub>2</sub>ZnSnSe<sub>4</sub> 박막 태양전지의 제조와 기판온도가 광전압 특성에 미치는 영향
정성훈(Jung, Sung-Hun),안세진(Ahn, Se-Jin),윤재호(Yun, Jae-Ho),곽지혜(Gwak, Ji-Hye),김동환(Kim, Dong-Hwan),윤경훈(Yoon, Kyung-Hoon) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.06
Despite the success of Cu(In,Ga)Se₂ (CIGS) based PV technology now emerging in several industrial initiatives, concerns about the cost of In and Ga are often expressed. It is believed that the cost of those elements will eventually limit the cost reduction of this technology. one candidate to replace CIGS is Cu₂ZnSnSe₄ (CZTSe), fabricated by co-evaporation technique. Effects of substrate temperature of Cu₂ZnSnSe₄ absorber layer on the performance of thin films solar cells were investigated. As substrate temperature increased, the grain size of Cu₂ZnSnSe₄ films increased presumably. At a optimal condition of substrate temperature is 320?C, the solar cell shows a conversion efficiency of 1.79% with V_{OC} of 0.213V, JSC of 16.91mA/cm² and FF of 49.7%.
정성훈(Jung, Sung-Hun),안세진(Ahn, Se-Jin),윤재호(Yun, Jae-Ho),곽지혜(Gwak, Ji-Hye),조아라(Cho, A-Ra),윤경훈(Yoon, Kyung-Hoon),김동환(Kim, Dong-Hwan) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.11
Despite the success of Cu(In,Ga)Se₂ (CIGS) based PV technology now emerging in several industrial initiatives, concerns about the cost of In and Ga are often expressed. It is believed that the cost of those elements will eventually limit the cost reduction of this technology. One candidate to replace CIGS is Cu₂ZnSnSe₄ (CZTSe), fabricated by co-evaporation technique. Co-evaporation technique will be one of the best methods to control film composition. This type of absorber derives from the CuInSe² chalcopyrite structure by substituting half of the indium atoms with zinc and other half with tin. Energy bandgap of this material has been reported to range from 0.8eV for selenide to 1.5eV for the sulfide and large coefficient in the order of 10^{14}cm^{-1}, which means large possibility of commercial production of the most suitable absorber by using the CZTSe film. In this work, Effects of substrate temperature of Cu₂ZnSnSe₄ absorber layer on the performance of thin films solar cells were investigated. We reported on some of the absorber properties and device results.
P193 : Effects of scalp dermatitis on chemical property of hair keratin
( In Jung Kang ),( Jeong Hwee Choi ),( Min Jae Gwak ),( Hee Kyeong Lim ),( Kyung Sook Kim ),( Hun Kuk Park ),( Ki Heon Jeong ),( Min Kyung Shin ) 대한피부과학회 2013 대한피부과학회 학술발표대회집 Vol.65 No.2
Background: Skin diseases such as seborrheic dermatitis(SD), psoriasis, and atopic dermatitis(AD) are the most common diseases affecting scalp hair. Fourier transform infrared (FT-IR) spectroscopy was used to analyze the chemical properties of the hair shaft. Objectives: In thist study, we investigated the effects of scalp dermatitis(SD, psoriasis, and AD) on the chemical properties of hair keratin using FT-IR spectroscopy. Methods: Hairs were collected from lesional regions affected by SD, psoriasis, and AD and non-lesional regions separately and hairs of 20 normal adults. The FT-IR absorbance bands were analyzed by the Gaussian model to obtain the center frequency, half width, height, and area of each band. Results: The spectra of hair with scalp dermatitis were different with that of control, the amide A components centered at 3278 cm-1 were smaller than those of the control. The psoriasis hair showed a large difference in the IR absorbance band between lesional and non-lesional hairs indicating good agreement with the morphological changes. The hairs with diseases did not show differences in the content of cystine, which was centered at 1054 cm-1, from the control. Conclusion: The chemical properties of keratin were not signi ficantly different between the hairs affected by SD, psoriasis, and AD. However, the changes induced by scalp dermatitis were different with weathering. Therefore, FT-IR analysis could be used to screen differences between the pathological conditions of scalp hair.
음식물류 폐기물 혐기소화여액 최적 폐수처리공정 선정 Guideline 도출
주동훈 ( Dong-hun Ju ),이보원 ( Bo-won Lee ),윤희철 ( Hee-chul Yoon ),신중헌 ( Jung-heon Shin ),곽원지 ( Won-ji Gwak ),배재호 ( Jae-ho Bae ) 한국폐기물자원순환학회(구 한국폐기물학회) 2016 한국폐기물자원순환학회 추계학술발표논문집 Vol.2016 No.-
현재 국내에서 발생하는 음폐수의 해양투기 금지와 음식물류 폐기물의 에너지화 정책에 따라 유기성 폐기물의 혐기소화를 통한 바이오가스화 시설이 지속적으로 설치 및 운영되고 있다. 그동안 많은 연구와 운영 경험을 통해 유기성 폐기물의 바이오가스화 공정은 점차적으로 안정화되어 가고 있는 가운데, 해당 시설에서 발생하는 혐기소화여액에 대한 적정 처리가 전체 시설의 경제성에 큰 영향을 미치고 있다. 해외, 특히 유럽에서는 유기성 폐기물의 혐기소화여액을 대부분 퇴비 또는 비료로 활용하고 있으나 국내에서는 경작 면적 및 시비 시기 등에 대한 제약으로 인해 해외의 경우처럼 혐기소화여액을 퇴비 및 비료로 활용하는데 한계를 가지고 있다. 이에 대다수의 국내 음식물류 폐기물 바이오가스화 시설에서는 혐기소화여액을 별도의 폐수처리 후 하수처리장에 연계 처리하고 있으며, 고형물인 탈수케익은 일부 퇴비원료로 생산하고 있으나 이에 대한 수요 및 구매 매력도가 떨어져 무상공급 또는 유상처리하고 있는 실정이다. 이에 따라 탈수케익을 퇴비원료로 생산하는 대신 매립 또는 소각 처리로 전환하는 시설도 늘어나고 있다. 또한, 음식물류 폐기물의 혐기소화여액은 높은 질소 농도로 인해 하수처리장 연계수질에 따라 단순 응집침전부터 다단 고도처리까지 적용하여 처리하고 있어, 본 과제에서는 국내 음식물류 폐기물 바이오가스화 시설을 직접 방문 조사하여 각 시설의 폐수처리공정 성능 및 애로사항 파악을 통해 주요 연계수질 기준에 따른 최적 폐수처리공정 선정 Guideline을 도출하고자 하였다.