• Korean Journal of Health Education and Promotion
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• v.31 no.2
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• pp.27-40
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• 2014

Objectives: While cinema is regarded in the contemporary popular leisure activities, the presentation smoking scenes in films has not been fully studied. We investigated Korean box-office hit movies by using content analysis. Methods: We sampled fifty-one hit films played in Korean cinemas during the period 2000-2013. Here, a hit film is defined as a movie viewed by at least 5,000,000 audiences. Results: We found that 78.1% of the Korean hit films contained smoking scenes, whereas only 15.6% of the American hit films were so. Films with the more frequent number of smoking scenes could be lined up in the order of crime, thriller, and action genres (p<.05). Smoking actors were leading roles, hence attractive characters appealing to the audience. Moreover, the smoking rate of female characters in the films was determined to be 3.66 times greater than the actual smoking rate of females in reality. Conclusions: Smoking scenes are likely to affect the audiences' cognitive priming and/or social learning with respect to smoking. Therefore, it would be necessary to set a restriction standard to the frequency of smoking scenes to appear Korean films, and to consider it as an important factor in the assigning a screening grade to such films.

• Journal of Korean Clinical Nursing Research
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• v.14 no.1
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• pp.139-150
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• 2008

Purpose: The aim of this study was to develop instrument measuring the relocation stress syndrome for patients transferred from intensive care unit to general ward in Korea. Method: For item construction, components were drawn from an extensive review of the literature, existing instruments and the result of qualitative approach. A total 48 items were selected for the first draft. Ten experts evaluated this instrument for content validity and the number of items was reduced to 29. To refine and test reliability and validity of the instrument, data were collected from the 594 patients following transfer from intensive care unit. Results: Preliminarily twenty-nine items were generated through content validity and a pilot study. Using corrected items to total correlation coefficient, this instrument was further shortened to a 25 item scale. Factor analysis extracted a total of 23 items with a 5-point Likert-type scale. Relocation Stress Syndrome (RSS) included three subscales; physical factors (12 items), Patient's recognition to health care providers (8 items), and emotional factors (3 items). The RSS established content validity, construct validity, and reliability. Conclusion: This instrument demonstrates good reliability and validity, and therefore it is an appropriate measurement of assessing relocation stress syndrome in ICU to ward transition period.

• Nuclear Engineering and Technology
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• v.45 no.7
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• pp.921-928
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• 2013

A future nuclear energy system is being developed at Korea Atomic Energy Research Institute (KAERI), the system involves a Sodium Fast Reactor (SFR) linked with the pyro-process. The pyro-process produces a source material to fabricate a SFR fuel rod. Therefore, an isotopic fissile content assay is very important for fuel rod safety and SFR economics. A new technology for an analysis of isotopic fissile content has been proposed using a lead slowing down spectrometer (LSDS). The new technology has several features for a fissile analysis from spent fuel: direct isotopic fissile assay, no background interference, and no requirement from burnup history information. Several calculations were done on the designed spectrometer geometry: detection sensitivity, neutron energy spectrum analysis, neutron fission characteristics, self shielding analysis, and neutron production mechanism. The spectrum was well organized even at low neutron energy and the threshold fission chamber was a proper choice to get prompt fast fission neutrons. The characteristic fission signature was obtained in slowing down neutron energy from each fissile isotope. Another application of LSDS is for an optimum design of the spent fuel storage, maximization of the burnup credit and provision of the burnup code correction factor. Additionally, an isotopic fissile content assay will contribute to an increase in transparency and credibility for the utilization of spent fuel nuclear material, as internationally demanded.

• Korean Journal of Human Ecology
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• v.3 no.1
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• pp.25-39
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• 2000

This study investigated the nutrient contents, nutrient density. and food group intake patterns of elementary school lunch programs in Kesngju. Four hundred students from four elementary schools participated in this study. Menus served in 60 schools on a weekly basis during each season were analyzed. Parents regarded hygiene as the most important factor in their children's diet. but they showed little concern for the necessity of nutrition education in the school curriculum. Parents considered that the most significant benefit of their children eating school lunches was to reduce unbalanced diets. On the other hand. children considered to be able to be on intimate terms with their friends as the greatest benefit of the school lunch program. The contents and nutrient densities of the meals provided were higher than those calculated from the Korean RDA. However, the content and nutrient density of iron were lower than those calculated from the RDA for 10 to 12 year old girls. The content of sodium was very high. Therefore the nutritionists should consider the Iron and cut down the amount of sodium. The 91.7% of 1,200 meals served contained more than four food groups and the school lunch program provided a sufficient variety of foods. In conclusion. the quality of nutrition in meals served by school lunch programs was considered satisfactory overall.

• Korean Journal of Plant Resources
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• v.11 no.1
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• pp.70-79
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• 1998

This study was conducted to understand the effects of weather and tapping date on yield and quality of lactree(Rhus verniciflua) sap yield showed a significant positive correlation with the minimum temperature of one day before sap collection at 1% level and with theminimum humidity of theday of sap collection at 5% level. However, the differences between the maximum and the minimum temperatures and humidities of the day of sap collection were negatively correlated with the sap yield at 5% level. Multiple regression analysis indicated that the minimum temperature of one day bofore sap collection and the minumum humidity of the day sap collection were important factors for increasing sap yield. The high sap yield of lactree by Japanese tapping method was recorded during mid-July and early August. Seasonal variation in lactree sap constituents was observed. The sap collected on 15th of August contained the highest urushiol content (68.3%) and the lowest water content resulting in high quality of lactree sap. By reversed-phase HPLC analysis, fove urushiol components were separated from each other depending on the number of doulbe bonds in the side-chain , and seaxonal variation of urushiol composition was noticed. The 3-C15 triene content fo the sap collected on 5th of July was the highest(77.56%) indicating the major component of urushiol which affects lactree sap quality.

• Annual Conference of KIPS
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• 2003.11c
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• pp.2021-2024
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• 2003

Information security is becoming a more important factor in distribution of digital contents. Generally, illegal facsimile of high-quality multimedia products such as DVDs, MP3s and AACs is possible without damaging quality. Thus, the illegal distribution of duplicated contents on the Web is causing digital content providers great economic loss. Therefore, a study of security and efficient distribution of digital contents is required. The most important issues in the design of a digital content distribution system are user convenience, execution speed and security. In this study, we designed a digital contents distribution system that uses web caching technology and encryption/decryption techniques in hierarchical structures. We propose a digital content distribution system that improves user convenience, security and execution speed. The superior performance of the proposed system has been proven in the tests. The results of experiment show that the developed system has improved the security of DC without decreasing process speed.

• Journal of Pharmacopuncture
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• v.12 no.2
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• pp.13-20
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• 2009

In this study, the effects of Ganoderma lucidum (GL) on fat metabolism were performed in 3T3-L1 adipocytes. The effects of GL on 3T3-L1 preadipocytes differentiation were also examined. Our results showed that GL decreased the TG content by ORO staining. To elucidate the mechanism of the effects of GL on lowering TG content in 3T3-L1 adipocytes, we examined whether GL modulate the expressions of transcription factors and adipokines related to control of energy expenditure process because adipokines regulate adipocyte mass and increased expenditure may consume much TG in adipocytes. As a result, the expression of C/$EBP{\beta}$, C/$EBP{\delta}$, C/$EBP{\alpha}$, and $PPAR{\gamma}$, genes, which induce the adipose differentiation and adipose-specific FAS, aP2, and adipsin genes, which compose fat formation were decreased. In addition, GL increased the expression of leptin, UCP2, adiponectin in 3T3-L1 adipocytes, resulting in energy homeostasis. In conclusion, GL could regulate transcript factor related to induction of adipose differentiation and control TG content by up-regulation of adipokines related to fat burn.

• Journal of the Korean Society of Tobacco Science
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• v.29 no.1
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• pp.8-13
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• 2007

This study was conducted in order to predict the chemical and physical properties by climatic factors during the growing season of burley tobacco as soon as possible. The data of six chemical and five physical properties were collected from "Analysis of chemical and physical properties on farm leaf tobacco" conducted at KT&G Central Research Institute from 1987 to 2006. Data of climatic factors from April to July in 6 districts were collected from Korea Meteorological Adminstration. Except for total nitrogen, total nitrogen/nicotine and yellowness(b), all probabilities of linear regression equations between the climatic factors(X) and the average contents of twelve grades(whole plant) for chemical and physical properties(Y) were significant($P{\leq}0.05$). The predicable probabilities within ${\pm}20%$ range of difference were 100% in ether extract content, 95% in nicotine content, and 90% in filling value. These results suggest that the regression equations may be useful to predict the average content of twelve grades for four chemical and four physical properties by climatic factors during the growing season of burley tobacco at the beginning of August.

• Korean journal of food and cookery science
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• v.22 no.5 s.95
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• pp.712-719
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• 2006

Sugar cookies using various levels of citron powder were prepared and the physicochemical and sensory characteristics were investigated in this study. The pH of the dough was relatively lower in the groups with increased citron powder. The yellowness of dough color was significantly increased from value of 23.47 to 36.99 as the substitution levels of citron powder content was increased (p<0.05). The degree of gelatinization of the dough measured using DSC was reduced with increasing delayed with the increased amount of the powder content. Cookies with powders content of 4-6 g showed significantly lower water contents than compared to those with 0-2 g(p<0.05). The spread factor tended to decrease as the substitution levels of the sample groups were increased. The results of sensory characteristics showed significantly higher bitterness and lower sweetness with the 6 g substituted sample group at (p<0.05). Desired citron cookie was prepared with the group of a substitution levels of 4 g citron powder from the confounded viewpoint of the physicochemical and sensory properties that were investigated.

• Journal of Surface Science and Engineering
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• v.46 no.5
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• pp.223-228
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• 2013

In this work, the grow of carbon nanotube (CNT) on carbon fiber was introduced on PAN-based carbon fibers for the enhancement of mechanical interfacial strength of carbon fibers-reinforced composites. The surface properties of carbon fibers were determined by scanning electron microscopy (SEM) and mechanical interfacial properties of the composites were studied by interlaminar shear strength (ILSS). From the results, it was found that the mechanical interfacial properties of CNT-carbon fibers-reinforced composites (CNT-CFRPs) enhanced with decreasing the CNT content. The excessive CNT content can lead the failure due to the interfacial separation between fibers and matrices in this system. In conclusion, the optimum CNT content on carbon fiber surfaces can be a key factor to determine the mechanical interfacial properties of the CNT-CFRPs.