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A Case Study on the Characteristics of the Road Traffic Noise in Plant Communities (학교 정온시설 앞 식물군락 조성지역에서 도로교통소음 특성에 대한 사례연구)

  • Cho, Il-Hyoung;Lee, Nae-Hyun;Cho, Jung-Sang;Ko, Jung-Yong;SunWoo, Young;Park, Young-Min
    • Journal of Korean Society of Environmental Engineers
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    • v.28 no.12
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    • pp.1293-1303
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    • 2006
  • This paper represents a comparison the difference between existence and nonexistence of soundproof trees for road traffic noise. Also we suggested that the simple equation has been derived using a single regression analysis for predicting levels of $Leq_{th}$ at a given distance from a road in terms of the flow rate, the mean speed of the traffic, and the percentage of the type vehicles in the existence and nonexistence of soundproof trees. We classified a vehicle into four and analyzed contribution rate to traffic volume. As a result, the order showed as followed: light vehicle>medium vehicle>heavy vehicle>motorcycle. However, the results of analyzing contribution rate with between traffic volume and traffic noise by the each type showed as followed; Motorcycle>Light vehicle>Medium vehicle>Heavy vehicle. This study showed that the most a lof of traffic volumes of the three vehicles(light vehicle, medium vehicle and motorcycle) and heavy vehicle were existed in 67 km/h and 61 km/h of car speed, respectively. The total traffic noise to the mean car speed decreased because of the inflow a lot of traffic volumes between 2016 and 2388 in the range of 67 km/h of light vehicle speed, in traffic composition of 4.75% heavy vehicles, and 1.11% motorcycle. the final result for this study showed that statistical paired t-test for between existence and nonexistence of soundproof trees was significant(p<0.05) and the difference between daytime and night in the location of the nonexistence of plant communities with the independent sample T-test was significant(p<0.05). However, the independent sample T-test for analyzing the variance of traffic noise between daytime and night was not significant(p>0.05).

Quality Analysis on the Size and the Preparation Method of Meju for the Preparation of Korean Traditional Soy Sauce (Kanjang) (한국 재래식 간장 제조를 위한 메주의 크기와 제조 방법에 따른 품질특성)

  • Lee, Jong-Gu;Kwon, Kwang-Il;Choung, Myoung-Gun;Kwon, O-Jun;Choi, Ji-Young;Im, Moo-Hyeog
    • Journal of Applied Biological Chemistry
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    • v.52 no.4
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    • pp.205-211
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    • 2009
  • This study was carried out to acquire basic data for industrial production of Korean traditional kanjang (soy sauce). Five types of meju, $23{\times}11{\times}12$ ($L{\times}W{\times}H$, cm), $23{\times}11{\times}7$, $15{\times}11{\times}7$, $11{\times}11{\times}6$, $11{\times}11{\times}6$ (made a hole $\varphi$ 1.5 cm) were prepared. The temperature and humidity of meju preparation were $15{\sim}20^{\circ}C$ and 40~50% respectively. The smaller size of meju, the lower free amino acid and non-volatile organic acid content of that. And, two types of meju, conventional method (CM-meju, the temperature and humidity were prepared at $15{\sim}20^{\circ}C$ and 40~50% of relative humidity) and improved method(IM-meju, the temperature and humidity were prepared at $25{\sim}30^{\circ}C$ and 80~90% of relative humidity) for kanjang production were prepared. There was no difference of total nitrogen content and soluble nitrogen content in the size of meju. In total free amino acid content and total free sugar content, IM-meju was the higher than CM-meju. So, the quality of IM-meju was better than that of CM-meju.

Comparision of Signal-Averaged Electrocardiography (SAECG) Determined by Flank Lead System (FLS) and Pyramidal Lead System (PLS) in Healthy Young Adults (정상 성인의 직교유도체제와 피라미드유도체제에 의한 신호 가산 평균심전도의 비교)

  • Jang, Byeong-Ik;Kang, Seung-Ho;Kim, Hyeung-Il;Shin, Dong-Gu;Kim, Young-Jo;Shim, Bong-Sup;Lee, Hyun-Woo
    • Journal of Yeungnam Medical Science
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    • v.10 no.1
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    • pp.179-189
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    • 1993
  • It has recently become possible to record electrical activity originating from abnormally conducting myocardium from the body surface with high - gain amplification and averaging technique. These signals, which result from delayed ventricular activation(late potentials), have been recorded in patients with documented ventricular tachyarrythmia. Several electrode lead system for detecting ventricular late potential were introduced. Pyramidal electrode lead system(PLS) is useful. Also interpretation of SAECG in the young could be of value in detecting those at risk for episodic ventricular tachycardia, but suffer from a lack of data in normal young people. Selection of subjects : For this study, normal healthy young adult volunteers (age: mean 24 years) were recruited from the medical students at Yeungnam University Hospital, Internal Medicine. Twenty fourths male and seventeenths female subjects were selected. All subjects had normal resting ECGs as judged from both the standard 12 channel lead and echocardiography, and none had a history of cardiovascular disease. All subjects were considered to be in good general physical condition. Signal-averaged electrocardiography : In order to obtain low noise recordings with a small number of averaging cycles, all subject ware asked to relax completely in the supine position. Silver/silver chloride electrodes were attached after the skin was cleaned with alcohol, to constitute classic flank lead system(FLS) and pyramidal lead system(PLS). Signals were recorded and processed using a commercially available microprocessor-augmented ECG cart(Marquette Electronics, USA) suitable for portable bedside recording. There was no difference between normal values, determined by FLS and PLS at high pass filtering of 25 Hz and 80 Hz, but significant, difference was found in HFLAD and RMS-40 of 40 Hz(p<0.05). These results will provide a basis for interpretations of SAECG, determined by FLS and PLS in healthy young adults with normal QRS duration.

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Effect of Soybean Curd Residue Fermented by Monascus pilosus on the High fat Diet-Induced Obese Mice (Monascus pilosus로 발효시킨 비지의 항비만 효과)

  • Lee, Sang-Il;Lee, Ye-Kyung;Kim, Soon-Dong;Lee, In-Ae;Choi, Jongkeun;Suh, Joo-Won
    • Journal of Applied Biological Chemistry
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    • v.57 no.1
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    • pp.7-15
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    • 2014
  • This study investigated anti-obesity and antioxidant effects of dietary non-fermented soybean crud residue (SCR) and fermented SCR by Monascus pilosus (FSCR) in high-fat induced-obese mice. SCR and FSCR were supplemented with high-fat diet at 2% (wt/wt) dose for 8 weeks. Both SCR and FSCR significantly lowered body weight, epididymal fat weight and weight gain rate compared to high-fat diet control (HC) group and FSCR group showed lowest weight gain rate. In addition, it was observed that serum and hepatic lipid profiles including triglyceride, total cholesterol, LDL-cholesterol and HDL-cholesterol were significantly improved by supplementing SCR or FSCR. Furthermore, SCR and FSCR administration showed increase of glutathione content and decrease of hepatic lipid peroxide content, serum aminotransferase activity, and hepatic xanthine oxidase activity. On the other hand, activities of reactive oxygen species scavenging enzyme such as superoxide dismutase, glutathione S-transferase and glutathione peroxidase in two test groups were higher than those of HC. Lastly, in comparison with SCR, FSCR was more effective in restoring obesity-related biomarkers to normal level in high-diet induced obese mice. In conclusion, the present study indicates that FSCR could have not only anti-obese effects such as inhibition of abdominal fat accumulation, but also protective effects of cardiovascular disease such as atherosclerosis by decreasing serum and hepatic lipid contents. Furthermore, these results suggest that experimental diets in this study could alleviate hepatic damage caused by overproduction of reactive oxygen spices (ROS) due to obesity via inhibition of ROS generating activities and induction of ROS scavenging activities.

A Study of Korean Short Animation Films in 1960s - On Animation from Culture Movies of the National Film Production Center of Korea (1960년대 한국단편애니메이션 연구 - 국립영화제작소 문화영화 중 애니메이션에 관하여)

  • Kim, Jong-Ok
    • Cartoon and Animation Studies
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    • s.40
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    • pp.1-31
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    • 2015
  • The Korean animation that has relatively short history compared to the Western Europe and Japan's animation started out from the non-commercial short-piece animation produced as part of advertisement animation and culture movie in the later part of 1950s. In 1960s, the culture movie animation reflecting for the Movie Act and cultural policies has hardly been mentioned in the history of Korean animation, but they are the precious cultural work produced prior to the theatrical long-piece animation. In particular, compared to the 15-second short CF animation, the short-piece animations are ranging for 4 minutes to 10 minutes as the work pieces with the historic value to measure the level of the Korean animation at that time. in 1960s, approximately 20 short-piece animation works were produced and they contained the educational contents to enlighten general public in the process of modernization policy. Those short-piece animations produced in cultural movie at the National Film Production Center of Korea had been produced not only in cell-facilitating cartoon animation, but also in paper animation and puppet animation. In this background, this thesis takes a close look to the short-piece animation works produced in the National Film Production Center of Korea in 1960s. While there was almost no studies of early short-piece animation other than CF works, it is meaningful to discover and analyze the works, and, Director Park Young-il, Director Han Sung-hak, Director Jung Do-bin, Director Shin Dong-hyun, Director Nelson Shin and others participated in the creative work process have worked as the animation directors for theater that the analysis on the works would be considered as important fundamental studies to understand the Korean animation. Under this thesis, it is intended to study the historic implication and formative characteristics around some 10 work pieces to affirm participating personnel, including directors, for the short-piece animation created by the National Film Production Center of Korea as well as the situation of time to launch the National Film Production Center of Korea in 1960s. Through this effort, it is intended to come up with the starting point to process enriched researches on non-commercial short-piece animation as well as contemplation on the Korean animation history that have been neglected in the study of the Korean animation history through such effort.

The Study on A Peculiarity of Mise-en-scene Found in Animation :Focused on Russian Animation (애니메이션 미장센 특성 연구 - 러시아 애니메이션을 중심으로)

  • Kim, MiRNaRae;Min, JunIl
    • Cartoon and Animation Studies
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    • s.44
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    • pp.1-31
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    • 2016
  • In this thesis, the movie with mise-en-scene established was compared with the peculiarity of the play that is the etymological source of the term to identify the peculiarity of mise-en-scene which was substituted into animation to find the peculiarity of mise-en-scene in animation. To emphasize the direct connection between the frame's visual peculiarity and the director's opinions, the mise-en-scene of director centered animation created under a restricted environment was reviewed. Mise-en-scene which started from movie critics theory does not simply mean the arrangement of images in a frame. Mise-en-scene emphasizes the exposure of the work's motive by the visual components. The animation's assuming the middle point of environmental share possessed by play and movie when schematizing the genre peculiarity of animation, play and movie was a noteworthy result. It can be said that the cause is that the animation's peculiarity yield different results depending on the making methods; we verified that this is a key factor in the analysis of animation's mise-en-scene. I emphasized that the peculiarity of animation mise-en-scene is in its making method and material and suggested identifying the work's making methods and analyzing the work's aesthetic results derived in this way. The russian animation which was perceived as peripheral arts was relatively free from the burden of censorship while receiving support from the Soviet as a media for propaganda. The russian animation's mise-en-scene which found the material for its works in the country's folklore was metaphorical, focused on new expression forms and achieved experimental elements. Russian animation pursues a unique aesthetic world through space expression based on the forms of opera or ballet and heavy motions formed static inbetweens.

The Effect of Brown Tinted or UV-A blocking Ophthalmic Lens Against the Photooxidation of A2E, a Lipofuscin in Retina (망막 내 노인성 형광색소의 광산화에 미치는 Brown 착색렌즈와 UV-A 차단 안경렌즈의 영향)

  • Park, Sang-Il
    • Journal of Korean Ophthalmic Optics Society
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    • v.17 no.1
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    • pp.91-97
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    • 2012
  • Purpose: This purpose of study is to investigate the effect of UV-A-blocking or brown-tinted ophthalmic lens against A2E photooxidation which known as one of the etiologies of AMD(Age-related macular degenaration). Methods: The photooxidation of A2E, synthetic product of two molecules of all-trans-retinal and ethanolamine, was induced by the exposure to blue light (420~470 nm, $94mW/cm^2$) for 3 minutes. The inhibitory effect of UVblocking or brown-tinted ophthalmic lens against A2E photooxidation was evaluated by UV absorbance and HPLC analysis of remained A2E after the exposure to blue light. Results: UV-blocking ophthalmic lens could not inhibit A2E photooxidation induced by blue light irradiation. There was no difference in A2E photooxidation in the presence of brown-tinted ophthalmic lens to block 15% of visible ray, however, those lenses blocking 55% or 86% of visible ray showed the inhibitory effect of A2E photooxidation as 9.98% and 16.55%, respectively. By HPLC analysis, the amount of residual A2E which was not blocked by any lens was $199.29{\pm}26.53{\mu}M$, however, the inhibitory effect against A2E photooxidation was shown in the presence of brown-tinted lens. The remained A2Es were $264.58{\pm}31.91{\mu}M$ and $402.93{\pm}28.68{\mu}M$ in brown-tinted lenses of 55% and 86% blocking visible ray, respectively. However, there was no inhibitory effect against A2E photooxidation in the case of UV-blocking lens by HPLC analysis. Conclusions: In this study, brown-tinted ophthalmic lens was confirmed to have the inhibitory effect against the photooxidation of A2E, a causing substance of AMD onset.

Metabolic syndrome in the overweight and obese adolescents and the impact of obesity on the cardiovascular system (과체중과 비만 청소년에서 대사증후군과 비만이 심혈관에 미치는 영향)

  • Hong, Young Mi;Song, Young Whan;Kim, Hae Soon;Park, Hae Sook;Min, Jung Hae;Jung, Jo Won;Kim, Nam Su;Noh, Chung Il
    • Clinical and Experimental Pediatrics
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    • v.52 no.10
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    • pp.1109-1118
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    • 2009
  • Purpose : Metabolic syndrome (MS), characterized by obesity and insulin resistance, elicits risk factors such as hyperlipidemia, hypertension, and glucose intolerance with additive effects on atherosclerosis, leading to cardiovascular diseases. The purposes of this study were to evaluate the prevalence of MS among overweight and obese adolescents and to investigate the impact of obesity on the cardiovascular system. Methods : In all, 684 adolescents were included in the study. Blood pressure, body mass index (BMI), fasting blood glucose, total cholesterol, triglyceride, low-density-lipoprotein (LDL)-cholesterol, high-density-lipoprotein (HDL)-cholesterol, aspartate aminotransferase (AST), alanine aminotransferase (ALT), and high-sensitive C-reactive protein (hs-CRP) were measured in the patients with a BMI of >85 percentile. Brachial-ankle pulse wave velocity (BaPWV) and ankle brachial index were measured using Vascular Profiler (VP)-1000. Results : MS was confirmed in 19.5% of the overweight and obese adolescents and 50.8% of the obese adolescents. The systolic and diastolic blood pressure, height, weight, fat mass, %fat, BMI, obesity index, and waist circumference were higher in the overweight and obese adolescents with MS. Moreover, the triglyceride, AST, ALT, and hs-CRP levels were higher, whereas HDL-cholesterol level was significantly lower in this group. The overweight and obese adolescents with MS showed shorter diastolic and systolic times, higher heart rate and BaPWV, and longer E-wave deceleration time by echocardiography. Conclusion : Overweight and obese adolescents showed characteristic MS features such as hypertension and hyperlipidemia. Thus, obese adolescents predisposed to MS should be provided early treatment for obesity.

Development of Menu Labeling System (MLS) Using Nutri-API (Nutrition Analysis Application Programming Interface) (영양분석 API를 이용한 메뉴 라벨링 시스템 (MLS) 개발)

  • Hong, Soon-Myung;Cho, Jee-Ye;Park, Yu-Jeong;Kim, Min-Chan;Park, Hye-Kyung;Lee, Eun-Ju;Kim, Jong-Wook;Kwon, Kwang-Il;Kim, Jee-Young
    • Journal of Nutrition and Health
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    • v.43 no.2
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    • pp.197-206
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    • 2010
  • Now a days, people eat outside of the home more and more frequently. Menu labeling can help people make more informed decisions about the foods they eat and help them maintain a healthy diet. This study was conducted to develop menu labeling system using Nutri-API (Nutrition Analysis Application Programming Interface). This system offers convenient user interface and menu labeling information with printout format. This system provide useful functions such as new food/menu nutrients information, retrieval food semantic service, menu plan with subgroup and nutrient analysis informations and print format. This system provide nutritive values with nutrient information and ratio of 3 major energy nutrients. MLS system can analyze nutrients for menu and each subgroup. And MLS system can display nutrient comparisons with DRIs and % Daily Nutrient Values. And also this system provide 6 different menu labeling formate with nutrient information. Therefore it can be used by not only usual people but also dietitians and restaurant managers who take charge of making a menu and experts in the field of food and nutrition. It is expected that Menu Labeling System (MLS) can be useful of menu planning and nutrition education, nutrition counseling and expert meal management.

A Web-based 'Patterns of Care Study' System for Clinical Radiation Oncology in Korea: Development, Launching, and Characteristics (우리나라 임상방사선종양을 위한 웹 기반 PCS 시스템의 개발과 특성)

  • Kim, Il Han;Chie, Eui Kyu;Oh, Do Hoon;Suh Chang-Ok;Kim, Jong Hoon;Ahn, Yong Chan;Hur, Won-Joo;Chung, Woong Ki;Choi, Doo Ho;Lee, Jae Won
    • Radiation Oncology Journal
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    • v.21 no.4
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    • pp.291-298
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    • 2003
  • Purpose: We report upon a web-based system for Patterns of Care Study (PCS) devised for Korean radiation oncology. This PCS was designed to establish standard tools for clinical quality assurance, to determine basic parameters for radiation oncology processes, to offer a solid system for cooperative clinical studies and a useful standard database for comparisons with other national databases. Materials and Methods: The system consisted of a main server with two back-ups in other locations. The program uses a Linux operating system and a MySQL database. Cancers with high frequencies in radiotherapy departments in Korea from 1998 to 1999 were chosen to have a developmental priority. Results: The web-based clinical PCS .system for radiotherapy in www.pcs.re.kr was developed in early 2003 for cancers of the breast, rectum, esophagus, larynx and lung, and for brain metastasis. The total number of PCS study items exceeded one thousand. Our PCS system features user-friendliness, double entry checking, data security, encryption, hard disc mirroring, double back-up, and statistical analysis. Alphanumeric data can be input as well as image data. In addition, programs were constructed for IRB submission, random sampling of data, and departmental structure. Conclusion: For the first time in the field of PCS, we have developed a web-based system and associated working programs. With this system, we can gather sample data in a short period and thus save, cost, effort and time. Data audits should be peformed to validate input data. We propose that this system should be considered as a standard method for PCS or similar types of data collection systems.