• Title/Summary/Keyword: composition evaluation

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Research about Evaluation Scoping Analysis for Composition TOE (합성 TOE에 대한 평가범위 분석에 관한연구)

  • Kim, Seok-Soo
    • Convergence Security Journal
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    • v.7 no.3
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    • pp.45-50
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    • 2007
  • The creation of information protection system which solely do detection and solely do prevention will have less protection for information. This research paper is a study of Information Protection System which aims to fulfill security reeds in a more powerful way by combining detection and prevention that is in the context of TOE via ISO/IEC TR 19791. The Creation of Composition ST will be a big help in the establishment of security policy.

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A comparative study of the ionic composition of aerosols from the North Sea and a North Sea coastal area

  • Lee, Jong-Min;Schrems, Otto
    • Proceedings of the Korea Air Pollution Research Association Conference
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    • 2001.11a
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    • pp.47-48
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    • 2001
  • It is well known that atmospheric aerosols play an important role in the radiation balance of the earth and meteorological processes as well as in atmospheric chemistry. Aerosols may origin from both natural and/or anthropogenic sources. Thus, the chemical composition of aerosols can vary considerably. For example, the chemical composition of marine aerosol has been the subject of a considerable number of investigations, including the evaluation of long-range transport of anthropogenic constituents on the chemistry of the remote marine boundary layer. (omitted)

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A Study on the Characteristic and Composition Factor of Contemporary Japanese Costume Design (현대 패션의 일본적 디자인 특성과 이미지 구성요인)

  • Kim, Hee-Jung
    • Fashion & Textile Research Journal
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    • v.4 no.1
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    • pp.11-18
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    • 2002
  • The purpose of this study was to investigate the characteristic and composition factor of Japanese costume design. The stimulus were 25 contemporary costume design which represented the traditional image of Japanese. The main survey of questionary consisted of their evaluation of the Japanese costume image by 26 semantic differential bipolar scales and the subjects were 99 female students majoring in clothing and textiles. The data were analyzed by Factor analysis, Multidimensional Scaling Method and Regression Analysis. The major findings were as follows. As a result of design analysis, contemporary Japanese costume design which represented the traditional image had traditional form, color, texture, pattern, etc. Through factor analysis about Japanese costume image 7 factors were identified; Attractiveness, Attention, Cool and warm, Neatness, Activeness, Maturity, Classics. According to image positioning, Japanese costume design was classified by simple-decorative, soft-hard. As the result of regression analysis, The preference of Japanese costume image was related to attractive factor.

Development of performance evaluation model for road and railway tunnels in use

  • Kim, Hong-Kyoon;Moon, Joon-Shik;An, Jai-Wook;Michael, E.S.
    • Geomechanics and Engineering
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    • v.29 no.3
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    • pp.369-376
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    • 2022
  • Accurately evaluating and predicting the performance of facilities is a key task in establishing a maintenance strategy for facilities. The importance of performance evaluation is becoming more pronounced, especially when the aging of facilities requires a huge budget. In this study, performance assessment models were developed for road and railway tunnels. Delphi analysis was performed to identify sub-elements necessary to evaluate the performance of a tunnel. The relative importance of the evaluation factors was derived from the AHP analysis. The correlation analysis was performed between each assessment factor and the final result to verify the significance of the model. For the correlation analysis, the survey data measured through precision safety diagnosis in tunnels in use was applied. The cost effectiveness analysis was also conducted according to the scenarios with different composition of performance factors in order to improve the practical applicability of the evaluation model developed in this study.

Evaluation of Biodurability of Korean Chrysotile withen The Lung of Rats (한국산 백석면의 랫드의 폐 내 변화 연구)

  • Chung, Yong Hyun;Han, Jeong Hee
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.25 no.1
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    • pp.20-26
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    • 2015
  • Objectives: To evaluate the biodurability of Korean Chrysotile(KC), the changes in fibers numbers and changes in the element composition of fibers from the lung of Sprague-Dawley rats instilled KC(average size $4.74{\mu}m$, $59,043{\times}10^6$ fibers/mg) was estimated. Methods: Rats were administered 1 mg KC(low group) or 2 mg KC(high group) by a single intratracheal instillation. At each time point(5 days, 5 weeks, 10 weeks), the numbers of KC fibers and the changes of element composition(atomic %) of KC fibers from the lung of the rats were analyzed with transmission electron microscope equipped with energy dispersive X-ray spectrometer. Results: Over time, the number of fibers within the lungs of animals were reduced. The average length of the low and high group is significantly reduced from 5 days after administration. Over time, the fiber ratio of at least $5{\mu}m$ remaining in the lung tissue of the low concentration group was up but the high group was reduced. From day 5 after administration, the composition ratio(Mg) was significantly decreased in all groups. Conclusions: Size and composition of Korean Chrysotile in the lung tissue of rats was changed from 5 days.

Trustworthy Service Discovery for Dynamic Web Service Composition

  • Kim, Yukyong;Choi, Jong-Seok;Shin, Yongtae
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.9 no.3
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    • pp.1260-1281
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    • 2015
  • As the number of services available on the Web increases, it is vital to be able to identify which services can be trusted. Since there can be an extremely large number of potential services that offer similar functionality, it is challenging to select the right ones. Service requestors have to decide which services closelysatisfy their needs, and theymust worry about the reliability of the service provider. Although an individual service can be trusted, a composed service is not guaranteed to be trustworthy. In this paper, we present a trust model that supports service discovery and composition based on trustworthiness. We define a method to evaluate trust in order to discover trustworthy services. We also provide a method to perform trust estimation for dynamic service composition, and we present results of two experiments. The proposed model allows for service requestors to obtain the most trustworthy services possible. Our mechanism uses direct and indirect user experience to discover the trustworthiness of the services and service providers. Moreover, composing services based on quantitative trust measurements will allow for consumers to acquire a highly reliable service that meet their quality and functional requirements.

Dynamics of shearing force and its correlations with chemical compositions and in vitro dry matter digestibility of stylo (Stylosanthes guianensis) stem

  • Zi, Xuejuan;Li, Mao;Zhou, Hanlin;Tang, Jun;Cai, Yimin
    • Asian-Australasian Journal of Animal Sciences
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    • v.30 no.12
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    • pp.1718-1723
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    • 2017
  • Objective: The study explored the dynamics of shearing force and its correlation with chemical compositions and in vitro dry matter digestibility (IVDMD) of stylo. Methods: The shearing force, diameter, linear density, chemical composition, and IVDMD of different height stylo stem were investigated. Linear regression analysis was done to determine the relationships between the shearing force and cut height, diameter, chemical composition, or IVDMD. Results: The results showed that shearing force of stylo stem increased with plant height increasing and the crude protein (CP) content and IVDMD decreased but fiber content increased over time, resulting in decreased forage value. In addition, tall stem had greater shearing force than short stem. Moreover, shearing force is positively correlated with stem diameter, linear density and fiber fraction, but negatively correlated with CP content and IVDMD. Conclusion: Overall, shearing force is an indicator more direct, easier and faster to measure than chemical composition and digestibility for evaluation of forage nutritive value related to animal performance. Therefore, it can be used to evaluate the nutritive value of stylo.

Evaluation of 0ff-gas Characteristics in Vitrification Process of ion-Exchange Resin

  • Park, S. C.;Kim, H. S.;K. H. Yang;C. H. Yun;T. W. Hwang;S. W. Shin
    • Nuclear Engineering and Technology
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    • v.33 no.1
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    • pp.83-92
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    • 2001
  • The properties of off-gas generated from vitrification process of ion-exchange resin were characterized. Theoretical composition and flow rate of the off-gas were calculated based on chemical composition of resin and it's burning condition inside CCM. The calculated off-gas flow rate was 67.9Nm$^3$/h at the burning rate of 40kg/h. And the composition of off-gas was avaluated as $CO_2$(41.4%), steam(40.0%), $O_2$(13.3%), NO(3.6%), and SO$_2$(1.6%) in order. Then, actual flow rate and composition of off-gas were measured during pilot-scale demonstration tests and the results were compared with theoretical values. The actual flow rate of off-gas was about 1.6 times higher than theoretical one. The difference between theoretical and actual flow rates was caused by the in-leakage of air to the system, and the in-leakage rate was evaluated as 36.3Nm$^3$/h. Because of continuous change in the combustion parameters inside CCM, during demonstration tests, the concentration of toxic gases showed wide fluctuation. However, the concentration of CO, a barometer of incompleteness of combustion inside CCM, was stabilized soon. The result showed quasi-equilibrium state was achieved two hours after feeding of resin.

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Study on the Meles meles as Applications in Edible Food Resource Applications -Nutritional Characteristics and Safety Evaluation on Meles meles Oil and Fermented Liquid with Medicinal Herbs- (식용자원으로의 활용을 위한 오소리(단육)에 관한 연구 -오소리 기름과 한약재를 첨가한 발효액의 영양학적 특성 및 안전성 평가-)

  • 박성혜;박성진;김기영;한종현
    • Korean journal of food and cookery science
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    • v.20 no.1
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    • pp.57-62
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    • 2004
  • The purpose of this study was to investigate the possibility of Meles moles application as an edible functional food resource. This study was conducted to estimate the general nutrition composition, amino acid and minerals contents, fatty acid composition of Meles meles oil and the added fermented medicinal herbs liquid, and examine the cell toxicity effects in normal liver and kidney cells. The approximate composition of Meles moles oil was crude fat, 97.64%, crude ash, 1.99% and crude protein, 0.37%. In the fermented liquid, the approximate composition was moisture, 96.08%, Carbohydrate, 1.53%, crude ash, 0.92%, dietary fiber, 0.65%, crude protein, 0.54% and crude fat, 0.28%. The amino acid contents were 2.67 and 80.9mg% in the oil and liquid, respectively. The singularity of the unsaturated fatty acid contents attracted our attention. Especially, the polyunsaturated fatty acid compositions were 32.28 and 54.98% in oil and liquid, respectively. Negative effects were not found form the results of the cell toxicity respection. These results imply that Meles effects oil and the added fermented medicinal herbs liquid can be used as possible food resources and functional food materials.

Effect of waxy rice flour on the quality and acceptability of Yackwa during storage (찹쌀가루를 첨가한 약과의 특성 및 저장성)

  • Lee, Hyo-Soon;Park, Mee-Weon;Jang, Myung-Sook
    • Journal of the Korean Society of Food Culture
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    • v.7 no.3
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    • pp.213-222
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    • 1992
  • This investigation was undertaken for the purpose of studying the quality and acceptability during storage at room or refrigerator temperature of Yackwa containing waxy rice flour substituted for 0,10,30,50,70% of the wheat flour. The storage periods were 0,15,30 and 45 days. Chemical composition, composition of fatty acids, and value, and peroxide values of Yackwa were measured. Sensory evaluation was done by a panel of 5 judges majoring in food and nutrition. The evaluation was repeated 4 times. Objective evaluation was done by rheometer and color difference meter. Chemical composition of Yackwa were $5.9{\sim}6.8%$ for moisture, $3.43{\sim}4.09%$ for crude protein, $22.35{\sim}27.65%$ for crude fat, $0.27{\sim}0.31%$ for ash, $15.6{\sim}18.4%$ for fructose, $10.6{\sim}13.7%$ for glucose, $0.34{\sim}1.0%$ for sucrose, and $0.79{\sim}2.37%$ for maltose, respectively. Fatty acid contents of Yackwa were $10.54{\sim}10.73%$ for palmitic acid, $4.12{\sim}4.18%$ for stearic acid, $25.8{\sim}26.9%$ for oleic acid, $51.6{\sim}52.1%$ for linoleic acid, and $0.27{\sim}0.34%$ for linolenic acid, respectively. Acid value and peroxide value of Yackwa during storage showed little change. As a result of sensory evaluation for Yackwa made various levels of waxy rice flour, there were no significant differences in most of characteristics between the samples supplemented with waxy rice flour to 30% of wheat flour at 0.01% level. By the color difference meter, the value of L (lightness) and b (yellowness) were increased by increasing the amounts of waxy rice flour, however, there were no significant differences at 0.1% level between the samples supplemented with waxy rice flour to 30% of wheat flour, on the other hand, the value of a (redness) was decreased by increasing the amount of waxy rice flour. In the textural characteristics, brittleness, and chewiness were increased by increasing the amounts of waxy rice flour, and by lengthening the storage period, on the other hand, resilience and cohesiveness showed vice versa. In the correlation coefficient between sensory characteristics and mechanical characteristics, overall acceptability in sensory evaluation correlated significantly with cohesiveness, chewiness, and the values of L, a, and b in mechanical test in most of samples(p<0.001).

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