표지인물과의 만남 - 이재용 환경부장관

이재용,Lee, Jae-Yong 한국환경기술인연합회 2005 환경기술인 Vol.22 No.10

취임 3개월째 맞는 이재용 환경부장관은 주위의 우려와는 달리 환경정책의 수장직을 무난히 잘 수행하고 있다는 평을 받고 있다. 그는 화려한 경력이 말해주듯 소탈하고 매우 친화력이 있는 성격의 소유자이다. 그는 대학시절 민주화의 열망을 안고 휴학과 복학을 거듭하면서 이 땅의 민주화를 이룩하는데 일조를 했다. 훤칠한 키와 출중한 외모는 모델을 능가할 정도로 뛰어나다. 실제로 그는 극단을 창단하여 무대에도 여러번 선 경험이 있다. 또 그는 일찌감치 환경운동가의 길을 걸어 왔기에 현재의 환경정책을 수행하는데 큰 도움이 된다고 말했다. 본지는 지난달 13일 환경부 장관실에서 연합회 임원 간담회와 함께 인터뷰를 가졌다. 다음은 이 장관과의 인터뷰 내용이다.

러버쉬팅변환을 통한 「동궐도(東闕圖)」의 평면도 제작 가능성 연구 - 창덕궁 금천교 주변을 중심으로 -

이재용,김영모,Lee, Jae-Yong,Kim, Young-Mo 국립문화재연구원 2017 헤리티지:역사와 과학 Vol.50 No.4

The present study attempted to produce the floor plan of the surroundings near Geumcheongyo Bridge in Changdeokgung Palace of the Late Joseon Period through the use of rubber sheeting transformation based on the drawing principles of "Donggwoldo(東闕圖)". First, the study compared the actual sizes of the major buildings that have existed since the production of "Donggwoldo(東闕圖)" with the sizes depicted in the picture to reveal that the front elevation of the buildings was produced by reducing it by approximately 1/200. However, the study could not confirm the same production proportions for the side elevation. Only the lengths of the side elevation were depicted at around half of the actual proportions, and as the diagonal line angles were found to be at an average of $39^{\circ}$, the study confirmed they were drawn in a manner similar to cabinet projection. Second, the study created an obliquely projected floor plan by inversely shadowing the drawing principles of "Donggwoldo(東闕圖)" and produced a floor plan of the surroundings near Geumcheongyo Bridge in Changdeokgung Palace through the use of rubber sheeting transformation. Projective transformation was confirmed as most suitable during the transformation, and with standard error of 2.1208m, the relatively high accuracy of the transformation shows that the production of a floor plan for "Donggwoldo(東闕圖)" is significant. Furthermore, it implies the possibility of producing floor plans for various documentary paintings produced using the paralleled oblique drawing method in addition to "Donggwoldo(東闕圖)". Third, the study evaluated the accuracy of the spatial information provided by the produced floor plan by comparing the three items of Geumcheongyo Bridge location, Geumcheongyo Bridge and Jinseonmun Gate arrangement, and Geumcheon stone embankment location. The results confirmed the possibility of utilizing the floor plan as a useful tool which helps understand the appearance of the surroundings at the time of "Donggwoldo(東闕圖)" production because it is parallel to the excavation results of the Geumcheongyo Bridge and its context. Therefore, the present study is significant in that it seeks the possibility of producing spatial information recorded in "Donggwoldo(東闕圖)" by applying rubber sheeting transformation and consequently in that it presents a new methodology for understanding the appearance of the East Palace of the Late Joseon Period. 본고는 "동궐도(東闕圖)"의 작도원리를 기반으로 러버쉬팅변환(Rubber Sheeting Transformation)을 통해 조선후기 창덕궁 금천교 주변의 평면도 제작을 시도하였으며, 연구결과는 다음과 같다. 첫째, "동궐도(東闕圖)" 제작 당시부터 현존하는 주요 전각의 실제 크기와 그림에 묘사된 크기를 비교하여 전각의 정입면이 약 1/200으로 축소되어 작성되었음을 밝혀냈다. 그러나 측입면에서는 동일한 제작 비율이 확인되지 않았다. 다만, 측입면의 길이가 실제의 약 절반 정도로 그려지고, 사선 각도가 평균 $39^{\circ}$로 파악됨에 따라 캐비닛 투영(Cabinet Projection)과 유사한 방식으로 작도되었음을 확인하였다. 둘째, "동궐도(東闕圖)"의 작도 원리를 역추적하여 "사투영평면도"를 작성하고 러버쉬팅변환을 통해 "동궐도(東闕圖)"의 창덕궁금천교 주변 평면도를 제작하였다. 변환 시 투영변환(projective transformation)이 가장 적합한 것으로 확인되었고, 표준 오차는 2.1208m로 비교적 높은 정확도를 나타냄으로써 "동궐도(東闕圖)"의 평면도 제작이 유의미하였다. 이는 "동궐도(東闕圖)"뿐만 아니라 평행사선도법으로 작성된 각종 기록화의 평면도 제작 가능성을 시사한다. 셋째, 작성된 평면도가 제공하는 공간 정보의 정확성을 검토하기 위해 금천교의 위치, 금천교와 진선문의 배치, 금천의 석축 위치를 시기에 따라 비교하였다. 그 결과 작성된 평면도의 내용이 금천교 발굴조사결과와 그 맥락을 함께 함으로써 러버쉬팅변환이 "동궐도(東闕圖)" 제작 당시 모습을 이해하는데 유용한 도구로서의 활용 가능성이 검증되었다. 본 연구는 러버쉬팅변환을 적용하여 "동궐도(東闕圖)"에 수록된 공간정보를 2차원 평면도로 제작하기 위한 가능성을 모색하고, 이를 통해 조선후기 동궐의 모습을 이해하기 위한 새로운 방법론을 제시하였다는데 의의가 있다.

남양호 (南陽湖) 동물플랑크톤의 출현과 분호

이재용,조규송 ( Jae Yong Lee,Kyu Song Cho ) 한국하천호수학회 1995 생태와 환경 Vol.28 No.3

This relationship between temporal and spatial appearance and variations in the zooplankton community was examined at four sites in Namyang estuary reservoir. Total 62 species of zooplankton were found from April to September 1994. Biomass of zooplankton were recorded the highest on August and the rotifers constituted the most abundant group of zooplankton. In survey area, advection by wind can concentrate zooplankton toward lake headwater and may be influenced by water temperature and aquatic vegetation. Respectively, number of species and biomass of zooplankton declined at temperature more than 30℃. Thermal stratification occurs on six month and the dissolved oxygen often becomes scarce into the 5m layer of the hypolimnion. Many zooplankton species significantly correlated with low-dissolved oxygen layer. This low-dissolved oxygen layer shuts out zooplankton communities and restricts their vertical distribution. Also, Cyclops and Thermocyclops species was correlated with chlorophyll a but other group of zooplankton do not always. The results indicated that may be related to water temperature, low-dissolved oxygen and available food that was support vertical and horizontal distribution of zooplankton in Namyang estuary reservoir.

Intentional 네임 시스템의 구조 및 서비스

이재용,김홍윤,Lee, Jae-Yong,Kim, Hong-Yun 한국통신학회 2006 정보와 통신 Vol.23 No.11

동물의 수명은 어떤가

이재용,Lee, Jae-Yong 한국과학기술단체총연합회 2005 과학과 기술 Vol.38 No.7

식품이력추적관리시스템 개요 및 추진방향

이재용,Lee, Jae-Yong (사)한국포장협회 2007 包裝界 Vol.175 No.-

공공기관 경영효율화! 등급판정소가 앞장서고 있습니다.

이재용,Lee, Jae-Yong 축산물품질평가원 2009 KAPE누리 Vol.155 No.-

Antimicrobial Activity of Bacillus amyloliquefaciens EMD17 Isolated from Cheonggukjang and Potential Use as a Starter for Fermented Soy Foods

이재용,심재민,Zhuang Yao,Xiaoming Liu,Kang Wook Lee,김현진,함경식,김정환 한국식품과학회 2016 Food Science and Biotechnology Vol.25 No.2

A Bacillus strain with antimicrobial activity was isolated from Cheonggukjang and identified as Bacillus amyloliquefaciens. Filtered culture supernatants of B. amyloliquefaciens EMD17 strongly inhibited growth of Bacillus cereus ATCC14579, Listeria monocytogenes ATCC19111, and an ochratoxin (OTA) producing Penicillium spp. The antimicrobial activity was not decreased by heat, pH, and proteases treatment, indicating a non-proteinous nature of the antimicrobial substance. A B. amyloliquefaciens EMD17 culture added to a B. cereus ATCC14579 culture killed B. cereus cells completely in 6 h, showing the bacteriocidal effect. The srfAA gene encoding surfactin synthetase A was detected using PCR, indicating that surfactin might be the responsible agent. Genes encoding fengycin and iturin were also detected. MS indicated production of lipopeptides, including surfactin. Cheonggukjang and Doenjang were prepared using B. amyloliquefaciens EMD17 as a starter and growth of spiked B. cereus cells was completely inhibited.

2008년을 마무리하면서

이재용,Lee, Jae-Yone 축산물품질평가원 2008 KAPE누리 Vol.148 No.-

Glutathione S - transferase ρ의 정제 및 특성

이재용,한미영,김두식 ( Jae Yong Lee,Mi Young Han,Doo Sik Kim ) 생화학분자생물학회 1988 BMB Reports Vol.21 No.4

Glutathione S-transferase ρ(EC 2.5.1.18) has been purified to homogeneity from human erythrocytes. A combination of gel filtration, ion exchange and hydroxylapatite chromatographic procedure yields the specific activity of 20.8 units/㎎. The purified enzyme gives a single band corresponding to 24,000 M.W. on a sodium dodecyl sulfate polyacrylamide gel electrophoresis. The enzyme molecule is characterized to be an acidic protein (pl 4.6) having a dimeric structure with 48,000 M.W. composed of identical size of polypeptide chains. Apparent K_m, and V_(max) were determined to be 1.1 mM and 1.0 mmol/1/min for 1-chloro-2,4-dinitro benzene respectively while 0.3 mM and 0.55 mmol/l/min for glutathione. Results obtained from chemical modification studies suggest that essential amino group(s) critically connected to the catalytic function of glutathione S-transferase ρ.