• Title/Summary/Keyword: technology level evaluation

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Comparison of the Taste Compounds of Loach Differing in the Local, Growing Condition and Season (산지, 성장조건 및 계절별 미꾸라지의 정미성분 비교)

  • Kim, Hee-Yun;Shin, Jae-Wook;Sim, Kyu-Chang;Park, Hee-Ok;Jang, Young-Mi;Kim, Hyun-Sook;Hu, Jong-Wha
    • Korean Journal of Food Science and Technology
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    • v.32 no.4
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    • pp.772-787
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    • 2000
  • In this study, evaluation on the loaches from the various sources was carried out in respect of their taste compounds. The samples were classified by local, season and growing condition and evaluated in terms of composition, the refuse, contents of nucleotides and their related compounds, total and free amino acid, organic acid and fatty acid. Evaluation on the compositions revealed the fact that, in terms of the local, the imported loach contain a low level of fat and high level of ash, in comparison with Korean loach; in terms of growing condition, cultured loach contains a high level of fat and low level of moisture, in comparison with wild loach; and in terms of the season, the summer loach contains less moisture than the fall loath; but as for the contents of other component, the summer loach was superior. As for the refuse, the imported loach had a greater refuse than the Korean loach. In the growing condition, the wild loach had lower value than the cultured loach. There was no substantial difference in each season. Also nucleotide and these related compounds were detected in all of the samples, while ATP was not found. The content levels of such detected compound did not show a substantial difference in each condition. However, generally, the imported loach was poor in such compound and all of the samples were high in IMP. The samples were high in total amino acids. The local and growing conditions showed no substantial difference, while in the season, the summer loach had a higher content of total and essential amino acid than the fall loach. As for the contents of free amino acids, similar distribution of the composition was shown in each sample, even though there was little difference in their constituents. Also, total content of free amino acid varied with the conditions of the samples. As for total content of organic acid and the distribution of the composition, there was a little difference between each condition. In the season and growing condition, the summer loach was high in organic acid. As for the distribution of the fatty acid compositions, there was no substantial difference between each condition and each sample. In the case of the wild loach, the summer loach was high in ${\omega}-3$ polyunsaturated fatty acid and the fall loach was high in essential fatty acid. Similarly, in the case of the imported loach, the summer loach was high in ${\omega}-3$ polyunsaturated fatty acid and the fall loach was high in essential fatty acid.

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Quality Characteristics of Yellow Layer Cake Added with Black Garlic Powder (흑마늘을 첨가한 옐로우 레이어 케이크의 품질 특성)

  • Jeong, Jun-Young;Jeong, Chang-Ho;Choi, Jine-Shang
    • Journal of agriculture & life science
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    • v.44 no.1
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    • pp.51-59
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    • 2010
  • The quality characteristics (specific gravity, viscosity, color, texture and sensory evaluation etc.) of yellow layer cake added with black garlic powder were examined in order to use as a new functional food ingredient of black garlic powder. Specific gravity of cake batters was not affected by addition of black garlic powder. Viscosity (31,315~41,048 cP) of cake batters was increased as the addition level of black garlic powder increased. pH (7.54~6.18) and height (6.14~5.62cm) of cakes were decreased as the addition level of black garlic powder increased. Specific volume of cakes did not show any significant difference except the cake with 15% black garlic powder. In color of cake crust, crumb and batter, lightness (L) and yellowness (b) were decreased as the addition level of black garlic powder increased, while redness (a) was increased. Hardness and adhesiveness of cakes decreased as the addition level of black garlic powder increased Overall acceptability was the highest in yellow layer cake with 5% black garlic powder.

An Analysis on the Important Weight of Evaluation Items in Technology Transfer using AHP (AHP를 활용한 기술이전 측정항목 중요도에 관한 연구 -국공립연구소 및 국립대학기술을 도입한 기업을 대상으로-)

  • Lee, Mi-Sook;Lee, Tae-Hwan;Kim, Jin-Su
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.11 no.8
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    • pp.2758-2765
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    • 2010
  • A technology transfer from public research centers or national universities to a company is an increasing phenomenon. The purpose of this study is thus to identify the major evaluation criteria of technology transfer from a company viewpoint and establish the importance weights of criteria through 2 level AHP analysis. First, 12 critical elements are extracted from previous studies and professional interview and these elements are tied into 4 factors; technological factor, organizational factor, environmental factor, and strategic factor. The results of AHP analysis show that strategic factor is more important and 'the growth of the technology' in the strategic factor is the most important element. This study will be used usefully when researchers in public research centers or national universities try to develop a technology considering a technology transfer to the other company.

Toxicogenomics Study on Carbon Tetrachloride-induced Hepatotoxicity in Mice

  • Jeong, Sun-Young;Lim, Jung-Sun;Hwang, Ji-Yoon;Park, Han-Jin;Cho, Jae-Woo;Song, Chang-Woo;Kim, Yang-Seok;Lee, Wan-Seon;Moon, Jin-Hee;Han, Sang-Seop;Yoon, Seok-Joo
    • Molecular & Cellular Toxicology
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    • v.1 no.4
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    • pp.275-280
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    • 2005
  • Carbon tetrachloride ($CCl_4$) is well known hepatotoxicant. Its overdose cause severe centrilobular hepatic necrosis in human and experimental animals. We administered $CCl_{4}$ at low (0.2 mL/kg p.o.) and high (2 mL/kg p.o.) doses to mice. Mice were sacrificed at 24 h after administration. We evaluated liver toxicity by serum AST and ALT level and by microscopic observation. Using cDNA chip, we conducted gene expression analysis in liver. Mean serum activities of the hepatocellular leakage enzymes, ALT and AST, were significantly increased compare to control, respectively, in the low and high dose groups. H&E evaluation of stained liver sections revealed $CCl_{4}-related$ histopathological findings in mice. Moderate centrilobular hepatocellular necrosis was present in all $CCl_{4}$ treated mice. We found that gene expression pattern was very similar between low and high dose group. However, some stress related genes were differently expressed. These results could be a molecular signature for the degree of liver injury. Our data suggest that the degree of severity could be figure out by gene expression profiling.

A Study on Index Selection for ICT Evaluation of North Korea using AHP (AHP 방법론을 이용한 북한의 ICT 평가를 위한 인덱스 선정에 관한 연구)

  • Park, Cheol-Soo
    • Journal of Information Technology Applications and Management
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    • v.24 no.4
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    • pp.41-55
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    • 2017
  • Industrial Revolution is a concept and a development that has fundamentally changed our society and economy. Industry 4.0 focuses on the end-to-end digitization of all physical assets and integration into digital ecosystems with value chain partners. At present, we find ourselves at the beginning of this fourth stage, which is characterized by so-called "Cyber-Physical Systems". These systems are a consequence of the far-reaching integration of production, sustainability and customer-satisfaction forming the basis of intelligent network systems and processes. If South Korea ran toward global ICT with the advent of the Fourth Industrial Revolution, North Korea has adhered to a unique Juche science and technology. ICT in South Korea and North Korea seems very difficult to find common interests. However, as seen in the Internet and intranets, information and communication technology can find similarities in many areas than in general science and technology. There are many differences not only in the level of ICT and science and technology but also in the direction. And IT terminology and all technologies are also different. What are we preparing for the unification of North and South Korea? If we look at the science and technology sector at present, there seems to be no systematic preparation by the government. South Korea and North Korea need to be prepared for science and technology cooperation. First, it is necessary to understand the exact situation of North Korea's science and technology. In this study, we will perform research to establish mid and long term plans for revitalization of ICT cooperation between the two Koreas. In this study, we will determine the extent to which the two Koreas utilize ICT based on available ICT capabilities and technologies. To do this, we conducted research to measure and evaluate the ICT development index of North Korea using ICT international index.

The Development of Investment Prioritization Criteria for the Mooring Facilities's Maintenance by the Delphi Study (델파이 기법을 적용한 항만 계류시설 유지보수 투자우선순위 결정 기준 개발)

  • Kim, Yong-Hee;Lee, Young-Ho;Song, Jae-Jun;Lee, Sang-Yoon
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.15 no.1
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    • pp.515-524
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    • 2014
  • In this paper, The investment prioritization model was investigated for keeping the service level of mooring facilities more than the target level of management with a limited budget in the right time. Network level prioritization criteria of the national scale was developed to take into criteria index and quantitative evaluation, management authority's opinion. Delphi method was conducted maintenance exports of mooring facilities over twice for verifying the validity and adequacy. In order to improve the objectivity of criteria, the criteria for evaluating the utilization of port facilities is presented form yearly facility traffic/facility's length, the result of the analysis of facility traffic data. The investment prioritization criteria of mooring facilities is expected to be utilized for more efficient and national budget distribution applied to the maintenance budget plan of nationwide.

Physicochemical and Sensory Characteristics of Persimmon Jelly Added with Different Levels of Daebong Persimmon Puree (대봉감 퓨레의 첨가량에 따른 감 젤리의 이화학적 및 관능적 특성)

  • Min, Ji-Hyun;Eun, Jong-Bang
    • Korean Journal of Food Science and Technology
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    • v.48 no.1
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    • pp.54-58
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    • 2016
  • Physicochemical and sensory characteristics of persimmon jelly products with different levels (3, 5, and 7% w/w) of Daebong ripened persimmon puree was investigated. The moisture content of all jelly products used in this experiments was maintained within $8{\pm}2%$ of the products. Levels of crude chemical composition (moisture, crude protein, crude lipid, and crude ashes), texture, soluble materials, vitamin C, dietary fiber and ${\beta}$-carotene were increased as amount of puree addition increased in the products. Color values, $L^*$, $a^*$, and $b^*$ of the persimmon jelly products were 33.08-42.04, 0.93-1.31 and 8.85-11.21, respectively. There was no significant difference in pH (5.51-5.61) as the levels of Daebong ripened persimmon puree increased. Sensory evaluation in terms of appearance, color, taste, flavor, chewiness, and overall acceptance resulted in the highest score in the persimmon jelly product with 5% level of Daebong ripened persimmon puree. In conclusion, level of Daebong ripened persimmon puree affected color value, texture and vitamin C, dietary fiber, and ${\beta}$-carotene content of the persimmon jelly products. In addition, optimum level of Daebong ripened persimmon puree would be 5% for manufacturing the persimmon jelly product.

Correlation analysis of the quality and civil construction engineer in apartment house (공동주택 토목공사의 책임기술자와 품질의 상관관계 분석)

  • Jeong, Sangl-Hoon
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2015.11a
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    • pp.70-71
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    • 2015
  • Construction period is longer than the non-disclosure in civil construction of apartment house. And this process is intensive at the beginning and end of construction. Because this project management expertise is required. Nevertheless, subsidiary work(Working avoid a tendency of advanced technician, Frequent turnover and employment contracts, etc.) management attention of construction is at a lower level. Because of, there are the bad factors(trial and error, finish degradation, etc.). Therefore, this study analyzed Hindrance Factor of quality control on apartment complex construction work and presented importance of civil construction engineer's role. Also, forms of civil construction engineer, Performance experience and technical Strength of apartment complex construction was investigated for the construction. To this end, It analyzes the relationship between forms of civil construction engineer, Performance experience and technical Strength of apartment complex construction and Construction of evaluation as required by Construction Technology Management Act.

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Evaluation of Anticoagulant Activity of Recombinant Hirudin (유전자 재조합에 의해 제조된 하루딘의 항응고 작용)

  • 김영식;엄은미;정정숙;정춘식;정기화;손정훈;최의성;이상기
    • Biomolecules & Therapeutics
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    • v.1 no.2
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    • pp.166-170
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    • 1993
  • Hirudin is a potent inhibitor of thrombin, which was originally obtained from the medicinal leech (Hirudo medicinalis) Now it is being produced through the recombinant technology on a large scale. Recombinant hirudin has been assayed for the anticoagulant activity by the measurement of clotting time and the inhibition of thrombin actvity using a chromogenic substrate. The assay range of partial thromboplastin time and thrombin time is within $0.2{\sim}1.0 {\mu}g/mι.$ Thrombin time is more sensitive to the measurement of clot. Ex vivo study showed the level of hirudin in rat plasma was highest in 10 min and then it was eliminated slowly. The half-life of r-hirudin was 80~110 min depending on the assay methods. Intraveneous injection of russel viper venom was used for thrombus induction combined with vents cava ligation. Inhibition of venous thrombosis was observed with i.v. hirudin. It was dependent on the concentration of hirudin.

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Diagonstic Evaluation of X-Ray Imaging using Fuzzy Logic Systems (Fuzzy Logic Systems을 이용한 X-선 영상의 진단평가)

  • Lee, Yong-Gu
    • 전자공학회논문지 IE
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    • v.46 no.3
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    • pp.62-67
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    • 2009
  • In this paper, ROC curves were designed by using Fuzzy Logic Systems. ROC curve is used for diagnostic evaluation and the person evaluating ROC curve is chosen as a first-level diagnostician. For rating diagnostic capability on ROC curve through learning, the chest X-ray image is used. The images used for making a diagnosis are X-ray film being both noise and signal. The result over diagnostic capability difference between the male and the female represented a man had better than a woman but that difference can be ignored.