폴리머 기판위에 형성된 나노구조제어 알루미나의 캐패시터 특성

정승원,민형섭,한정환,이전국,Jung, Seung-Won,Min, Hyung-Sub,Han, Jeong-Whan,Lee, Jeon-Kook 한국재료학회 2007 한국재료학회지 Vol.17 No.2

Embedded capacitor technology can improve electrical perfomance and reduce assembly cost compared with traditional discrete capacitor technology. To improve the capacitance density of the $Al_2O_3$ based embedded capacitor on Cu cladded fiber reinforced plastics (FR-4), the specific surface area of the $Al_2O_3$ thin films was enlarged and their surface morphologies were controlled by anodization process parameters. From I-V characteristics, it was found that breakdown voltage and leakage current were 23 V and $1{\times}10^{-6}A/cm^2$ at 3.3 V, respectively. We have also measured C-V characteristics of $Pt/Al_2O_3/Al/Ti$ structure on CU/FR4. The capacitance density was $300nF/cm^2$ and the dielectric loss was 0.04. This nano-porous $Al_2O_3$ is a good material candidate for the embedded capacitor application for electronic products.

악안면 기형의 상하악골 전후방적 위치관계에 대한 McNamara Analysis와 Delaire Analysis의 기준선 비교연구

정승원,김소미,변성수,박형식,정영수,Chung, Seung-Won,Kim, So-Mi,Byun, Sung-Soo,Park, Hyung-Sik,Jung, Young-Soo 대한악안면성형재건외과학회 2011 Maxillofacial Plastic Reconstructive Surgery Vol.33 No.4

Purpose: McNamara and Delaire analyses are two commonly used analytic methods, yet, they differ in their theoretic concepts and different reference lines are used for ideal surgical prediction. Therefore, the use of different analytic methods may result in different surgical plans. The purpose of this study was to compare the anterior and posterior relationship of the maxilla and mandible by using McNamara and Delaire analysis. Methods: 30 Korean patients (15 male and 15 female) who had visited the Department of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University, for dentofacial evaluation were studied by using McNamara's and Delaire's analyses. Results: On the maxillary analysis, 26 out of 30 patients (86.7%) were in accordance. On the mandibular analysis, 20 out of 30 patients (66.7%) were in accordance. On the maxillary analysis, McNamara's analysis showed an average of 0.36 mm greater amount of prognathism compared to Delaire's analysis, and this was not statistically significant. On the mandibular analysis, McNamara's analysis showed an average of 6.03 mm greater amount of prognathism compared to Delaire's analysis, and this was statistically significant. On the mandibular analysis, 26 out of 30 patients (86.7%) showed a greater amount of prognathism on McNamara's analysis compared to that of Delaire's analysis. The remaining 4 patients (13.3%) showed the same amount of prognathism on both analyses. Conclusion: These results may serve as a reference for surgeons when determining which analytic method is to be used for optimal surgical results.

법규에 따른 자원회수시설의 건축적 형태에 관한 연구 - 서울과 도쿄를 중심으로 -

정승원,이강준,Jung, Seung-won,Lee, Kang-jun 인천대학교 도시과학연구원 2022 도시과학 Vol.11 No.1

Waste to Energy Plant were recognized as hateful facilities, and there were many conflicts in the location due to social problems such as the NIMBY phenomenon due to problems such as damage to property in the surrounding area, odor, and image loss. Problems such as air pollution and odor are solved by the development of advanced prevention facilities such as electric dust collectors, wet cleaning systems, semi-dry reaction towers, bag filters, and catalyst towers (SCR: Selective Catalytic Reduction), and air recycling facilities in waste storage tanks. However, it is being avoided because of the perception that it is an incinerator. To resolve these conflicts, the government installs and operates resident convenience facilities to compensate residents near resource recovery facilities, provides green space and improves the environment, and supports heating expenses in accordance with the 「Waste Treatment Facility Support Act」. The purpose of this study is to derive implications through the analysis of domestic and overseas case studies for resident convenience facilities and environment improvement for the promotion of local communities in resource recovery facilities and use them as basic data for community promotion and environmental improvement when installing resource recovery facilities in the future.

대추 추출물이 유산균의 생육에 미치는 영향

정승원,노완섭,Jung Seung-Won,Noh Wan-Seob 동아시아식생활학회 2006 동아시아식생활학회지 Vol.16 No.3

This study was carried out to survey the effect of Jujube extract on the growth of 3 strains of lactic acid bacteria(LBA) starter cultures in the MRS broth by the addition of 0, 0.1, 0.5, 1 and 2% extract The pH, titratable acidity and OD of LAB were investigated in order to get fundamental knowledge for the development a new product. The effects of Jujube extract on the growth of LAB were variable depending upon the LAB species and concentrations of Jujube extract significantly (p<0.05). In the results, Jujube extract enhanced the acid production and propagation by the 3 LAB strains with increasing concentration of Jujube extracts until 2.0% added was to the MRS broth medium (p<0.05). Addition of Jujube extract markedly stimulated the acid production and propagation of Lactobacillus acidophilus, Streptococcus thermophilus and Bifidobacterium longum.

2002-2007년 통영바다목장해역에서 식물플랑크톤 현존량 및 생체량에 따른 우점종의 변동 및 관계

정승원,권오윤,이진환,Jung, Seung-Won,Kwon, Oh-Youn,Lee, Jin-Hwan 한국조류학회(藻類) 2008 ALGAE Vol.23 No.1

In order to understand variation and relationship between standing crops and biomass of phytoplankton dominant species for the long term periods, this study was seasonally investigated in the marine ranching ground of Tongyeong coastal waters from 2000 to 2007. Total 268 taxa representing 217 Bacillariophyceae, 46 Dinophyceae, 4 Dictychophyceae, 1 Euglenophyceae were observed in phytoplankton communities. Dominant species consisted of 5 species as standard in standing crops: Chaetoceros curvisetus (18.01%), Chaetoceros socialis (12.95%), Skeletonema costatum (8.39%), Chaetoceros compressus (6.87%), Asterionellopsis glacialis (5.02%). However, to determine dominant species as biomass concept, Ditylum brightwellii, Guinardia striata, Rhizosolenia spp. and Skeletonema costatum were occupied with dominant species (19.67%). As determining for cell sizes, dominant species were divided with two groups such as micro- and nanophytoplankton (standing crops) and mesophytoplankton (biomass). However, Skeletonema costatum in anophytoplankton was associated to affect fluctuation between standing crops and biomass.

전처리 방법 및 숙성온도 변화에 따른 쌀된장의 특성 변화

정승원,김영수,정건섭 ( Sung Won Jung,Young Soo Kim,Kun Sub Chung ) 한국응용생명화학회 1995 Applied Biological Chemistry (Appl Biol Chem) Vol.38 No.1

Changes in physical, chemical and microbiological characteristics of rice-doenjang prepared with two different methods with or without soak treatment were investigated during 60 days of aging at 32℃ and 15℃. The pH of soak-treated rice-doestjang decreased slowly, but that of nonsoak-treated rice-doenjang decreased rapidly at the initial aging stage with the aging temperature of 32℃, resulting in pH 5.1 after the 60 days of aging time. Reducing sugar contents increased up to the 30∼50 days of aging time and decreased thereafter. The contents of soluble nitrogen, formol nitrogen, ammoniacal nitrogen and amino nitrogen were more affected by preparation methods than by aging temperatures. Color values depended not only on preparation methods but also on aging temperatures. There were no significant differences in the bacterial counts of rice-doenjang, while apparent differences in the yeast and mold counts by aging temperatures were observed. These results suggested that the properties of soak-treated rice-doenjang were less changed than those of nonsoak-treated rice-doenjang by aging time and temperature. Md, with a view point of nitrogen compounds, aging time could be reduced by soak treatment.

A Study on the Fine Structure of the Marine Diatoms of Korean Coastal Waters - Genus Thalassiosira 4

정승원,Seung Won Jung,Jin Hwan Lee 한국조류학회I 2009 ALGAE Vol.24 No.2

The marine phytoplankton diatom Thalassiosira species are described from the Korean coastal waters, based on observations of fine structure of its frustules. As a fourth series, this study deals with 5 Thalassiosira species (T. decipiens, T. eccentrica, T. mala, T. nodulolineata, and T. proschkinae). The most striking features of these species are also the form and position of two processes on frustules. There is a central strutted process on valve face except T. nodulolineata, which has a modified one on its center. The external tubes of marginal strutted processes are divided two forms: “pile” form in T. decipiens and T. proschkinae, “short straw” form in T. eccentrica and T. nodulolineata. T. mala does not present the external tubes in valve margin. The labiate processes are located in valve margin except T. proschkinae, which has it on valve face. Of these, three species (T. mala, T. nodulolineata at a final contentration of 5% and T. proschkinae) were newly recorded in the coastal waters of Korea.

소아 입원환자에서의 A형 및 B형 인플루엔자 임상 비교

정승원 ( Seungwon Jung ),이준희 ( Joon Hee Lee ),강진한 ( Jin Han Kang ),이학성 ( Hak Sung Lee ),최재원 ( Jae Won Choi ),마상혁 ( Sang Hyuk Ma ),이재원 ( Jaywon Lee ) 대한소아감염학회 2017 Pediatric Infection and Vaccine Vol.24 No.1

목적: 소아 입원환자에서 A/H1N1, A/H3N2형 및 B형 인플루엔자 감염을 비교하고 항바이러스제의 효용성을 분석하고자 하였다. 방법: 2014년 1월부터 4월까지 창원파티마병원에 인플루엔자 감염으로 입원한 소아 환자들을 후향적 으로 분석하였다. 결과: 총 302명 중 인플루엔자 A/H1N1형 15명(5.0%), A/H3N2형 100명(33.1%), B형 187명(61.9%) 이었다. A는 24개월 미만, B는 24개월-6세 사이 감염자에서 높은 분포를 보였고(P =0.005). B형 인 플루엔자 감염군에서 발열 기간이 유의하게 길었다(P =0.001). 총 161명(53.3%)가 백신 접종자였으며, 감염 환자군 모두에서 oseltamivir를 복용한 환자들의 발열 기간이 유의하게 더 짧은 것으로 나타났다. 결론: A형과 B형 인플루엔자 환자는 연령 분포 및 임상 경과에 유의한 차이를 보였으며, oseltamivir 는 효과의 차이는 있었으나 두 군 모두에서 효용성이 있다. Purpose: The objective of this study was to compare the clinical characteristics of influenza A and B infections and analyze the effect of oseltamivir in hospitalized children. Methods: We investigated children under the age of 15, who were diagnosed with influenza A/H1N1, A/H3N2, or B from January to April 2014. The subjects were admitted to the Changwon Fatima Hospital and diagnosed using a rapid antigen test from nasopharyngeal swabs. The medical records of the patients were retrospectively reviewed. Results: A total of 302 pediatric patients with influenza were enrolled. Influenza B infection was the most common type (n=187, 61.9%), followed by A/H3N2 (n=100, 33.1%) and A/H1N1 (n=15, 5.0%). Compared to patients diagnosed with influenza A, patients diagnosed with influenza B were older (P =0.005), and the duration of fever was significantly longer (P =0.001). A total of 161 patients (53.3%) had been vaccinated against influenza during the season, before admission. Among the patients infected with A/H3N2 and B, the duration of fever was shorter in oseltamivir recipients compared to oseltamivir non-recipients (P =0.026 and P =0.004, respectively). Conclusions: There were significant differences between influenza A and B groups in terms of age, demographics, and clinical course. Although the effectiveness of oseltamivir on influenza differs according to the type of influenza, our data provides evidence that oseltamivir is beneficial for both A and B infections.

딤후1:9은 과연 타락후선택설을 가르치는가?

정승원 ( Sung Won Jung ) 개혁신학회 2014 개혁논총 Vol.29 No.-

개혁주의 내에서도 하나님의 작정의 순서에 대한 두 가지 다른 교리가 오랫 동안 주장되어 왔다. 이 순서는 시간적 순서가 아니라 하나님 안에서의 논리적 순서이다. 그 두 가지 교리는‘타락후선택설’과‘타락전선택설’이다. 전자는 하나님이 영원 전부터 택자와 유기자를 작정하신 것이 아니라 일반적인 사람들을 작정하시고 그 다음 타락을 간과하시고 얼마는 택하시고 얼마는 유기하시기로 작정하셨음을 주장하는 반면, 후자는 택자와 유기자를 미리 작정하셨고 그 다음 그들을 창조하시고 그들의 타락을 작정하시고 그리스도를 보내기로 작정하셨다고 주장한다. 타락후선택설은 하나님의 공의를 강조한다면 타락전선택설은 하나님의 주권적 영광을 강조한다. 두 가지 다 나름대로 개혁주의 전통에 입각한 교리들이다. 그러나 어느 쪽이든 이러한 구분이 정말 성경에서 가르치고 있는 것인가에 대한 의구심이 생긴다. 본 논문은 타락후선택설의 근거로서 제시되고 있는 딤후1:9이 정말 이 교리의 근거가 될 수 있는지 비판적 시각으로 접근하면서 이 구절은 타락전선택설을 가르치지 않지만 타락후 선택설도 가르치지 않음을 밝히고 이 구절은 오히려 구원에 대한 하나님의 주권적 계획과 그리스도 안에 나타나는 구원의 은총의 풍요로움을 말씀하는 것이라 밝히고자 한다. Two different doctrines about the order of God`s decree have been maintained with Reformed circle for a long time. They are ‘infralapsarianism’ and ‘supralapsarianism’. The order which the two doctrines concern is not temporal in connection with the world, but logical in reference to the mind of God. The former teaches that God has decreed the general people, not the elect and the reprobate, from the eternity, passing the fall by, and has decreed them separately. The latter teaches that God has decreed the elect and the reprobate first, and has decreed their creation, their fall, and the redemption by Christ from the eternity in order. Whereas the former emphasizes the justice or righteousness of God, the latter the sovereign glory. However, both are based on Reformed heritage. Nevertheless, it is not certain that such a distinction between the two is what the Scriptures really teach. This article assesses 2 Tim. 1:9, which is considered as one of the Scriptural bases for the infralapsarianism, examines whether it really teaches it, and concludes that it doesn`t teach either one, but teaches the sovereign plan of God concerning our salvation and the fullness of the salvation in Christ.

마산만 표층수에서 물리-화학적 수질요인과 엽록소-a 농도 사이의 관계: 격일 관측 자료

정승원 ( Seung Won Jung ),임동일 ( Dhong Il Lim ),신현호 ( Hyeon Ho Shin ),정도현 ( Do Hyun Jeong ),노연호 ( Youn Ho Roh ) 한국환경생물학회 2011 환경생물 : 환경생물학회지 Vol.29 No.2

In order to investigate water quality factors controlling chlorophyll-a concentrations, the by-daily monitoring was conducted from February to November 2010 in 4 stations of Masan Bay. Seasonal variability in physico-chemical factors was mainly controlled by freshwater loading as a result of precipitation: chemical oxygen demand, suspended solids and nutrient concentrations rapidly increase during the heavy rainy season, whereas they decrease in the dry season. From late winter to mid spring, phosphorus and silica sources relative to Redfield ratio were probably functioned as limiting factor for phytoplankton flourishing in surface waters, but nitrogen concentration during mid-spring to autumn might be responsible for the increase of phytoplankton biomass. The multiple regression analysis revealed that variations in chlorophyll-a concentration may be strongly correlated with changes of water temperature, chemical oxygen demand, dissolved inorganic phosphorus in spring, and salinity, chemical oxygen demand and precipitation in summer. Consequently, in the Masan Bay, a heavy rainfall event is an important factor to determine changes of biotic and abiotic factors, and in addition the dynamics of chlorophyll- a concentration are strongly affected by changes of hydrological factors, especially water temperature, precipitation and nutrients.