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The Major Technology Distribution Analysis of Domestic Defense Companies in Naval Ships based on Patent Information Data (함정 분야 방산업체 주요 기술 분포 분석)

  • Kim, Jang-Eun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.7
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    • pp.625-637
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    • 2020
  • In order to decide the naval ship weapon system acquisition for national policy/market economy activities, the decision makers can determine policy based on current technology level/concentration/utilization. For this, the decision makers apply the major common technology field analysis using patents data. As a method for collecting patent data, we can collect patent data of domestic mobile carriers through the Korea Intellectual Property Rights Information System of Korean Intellectual Property Office. As a result, we collected 14,964 patents/352 International Patent Classification(IPC) types. Based on these data, we performed three analysis processes (SNA, PCA, ARIMA, Text Mining) and got each result from extracting 58 IPC types of SNA and 7 IPC types of PCA. Based on the analysis results, we have confirmed that 7 IPC(B63B, H01M, F03D, B01D, H02K, B23K, H01H) types are the Major Common Technology Distribution of domestic Defense Companies.

Acupuncture Treatment in a Case with Equine Conjunctivitis (말 결막염에 대한 침 치료 1례)

  • Kim Duck-Hwan;Liu Jianzhu;Choi Seok-Hwa;MacManus Phillip;Jennings Paoraic;Darcy Karl;Burke Fiona;Leorald Nola;Rogers Phil A.M.
    • Journal of Veterinary Clinics
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    • v.23 no.2
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    • pp.180-182
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    • 2006
  • One male Arabian horse, 5-year-old, reared in Gort, Co Galway, Ireland was diagnosed as conjunctivitis. Acupuncture and aquapuncture with dexamethasone were done at BL01, BL02 and ST01, twice a week, and oculo-acupuncture was done into Shangjiao area using with oculo-acupuncture needle for human use. At session 3, there were no lacrimation, ocular discharge and hyperemia in the eye. The present patient was a case with equine conjunctivitis which showed favorable therapeutic response by acupuncture treatment.

Production of a Keratinolytic Protease by a Feather-Degrading Bacterium, Bacillus megaterium F7-1 (우모분해세균 Bacillus megaterium F7-1에 의한 Keratinolytic Protease의 생산)

  • 손홍주;박근태;김용균
    • Korean Journal of Microbiology
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    • v.40 no.1
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    • pp.43-48
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    • 2004
  • Bacillus megaterium F7-1 producing keratinolytic protease was isolated from decayed chicken feather. The optimal culture conditions for the production of keratinolytic protease by B. megaterium F7-1 were investigated. The composition of optimal medium for the keratinolytic protease was 0.2% glucose, 0.8% skim milk, 0.05% NaCl, 0.01 % $(K_2HPO_4$, 0.02%, $(KH_2PO_4$ and 0.01 % $MgCl_2$. Especially, skim milk was found to be the most effective compound in keratinolytic protease production. The optimal temperature and initial pH were 6.5 and $25^{\circ}C$, respectively. The keratinolytic protease production under optimal condition reached a maximum of 269 U/ml after 5 days of cultivation. B. megaterium F7-1 degraded 98% of the feather used in the optimized medium within 6 days.

Gender Role Identity and Egalitarianism Consciousness among Adolescents (남녀 청소년의 성역할 정체감과 양성평등의식)

  • Kim, Young-Sook;Jeong, Bok-Rae
    • Research in Community and Public Health Nursing
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    • v.18 no.2
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    • pp.310-319
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    • 2007
  • Purpose: This study intends to investigate gender role identity and egalitarianism consciousness among adolescents and to determine the relationship between the two factors. Method: Data were collected from 376 middle and high school students in U City. Tools used were the Korean Sexual Role Identity (Kim, J. H., 2005) and the Gender Egalitarianism Consciousness among Adolescents (Kim, 2002). Data were analyzed using SPSS 12.0 for t-test, one-way ANOVA and Pearson correlation coefficient. Results: There was no significant difference between boys and girls in sender role identity. Boys' gender role identity was different according to school grade (t=-3.19, p= .00), frequency of mother's hugging (t=-2.28, p= .02) and girls' according to religion (t=-2.24, p= .03) mother's job (F=3.59, p= .02), father's education level (F=3.20, p= .04), mother's education level (F=3.24, p= .04), family harmony (F=7.28, p= .00), and frequency of mother's hugging (t=-2.41. p= .02). There was significant difference in egalitarianism consciousness according to sender (t=-12.70. p= .00) Boys' egalitarianism consciousness was different according to school type (t= .02, p= .00) and father's education level (F=4.97, p= .02), and girls' according to school grade (t=-4.21 p= .00), school type (t=-3.12, p= .00), father's level of education (F=3.78. p= .02), decision maker of important domestic matter (F=4.95, p= .00) and frequency of mother's hugging (t=2.53, p= .01). In Girls, sexual role identity and sender egalitarianism consciousness were significantly correlated with each other (r= .01, p= .04). Conclusion: Through the study, it was found that boys' concern for sexual equality of was remarkably lower than girls. Therefore, it is necessary to offer curriculums for boys and to start social education for parents.

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Nutritional and Sensory Quality of Prepared Tomato (Solanum lycopersicum) Leather

  • Chhetri, Arun Jung;Dangal, Anish;Shah, Rajesh;Timsina, Prekshya;Bohara, Ebika
    • Analytical Science and Technology
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    • v.35 no.4
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    • pp.169-180
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    • 2022
  • Tomato has a limited shelf life and is highly perishable due to its high moisture content. As fruit leather, is a traditional food of Nepal, it can be beneficial to move towards value addition and diversification of the traditional product. The main aim was to analyze the nutritional values and phytochemicals of the tomato pulp and prepared leather, and sensory evaluation of prepared tomato leather. Five samples A, B, C, D and E were prepared with 80:20, 72.5:27.5, 95:5, 87.5:12.5 and 65:35 fruit pulp: sugar ratio respectively. Analysis of raw tomato pulp and all the five samples was performed. Sensory quality of the product sample A was found superior to that of other samples but chemical and phytochemical properties of product sample C was found superior than that of other prepared samples. Therefore, we had two best products, in terms of sensory properties and in terms of nutritional properties. The best product on the basis of nutrients (sample C) had acidity (%), TSS (°Bx), pH, total ash content (%), crude protein (%), crude fat (%), crude fiber (%), carbohydrate (%), vitamin C (mg/100 g), total energy (Kcal/100 g), TPC (mg GAE/g of dry extract), TFC (mg QE/g of dry extract), DPPH scavenging activity (% of inhibition) and lycopene content (mg/100 g) was found to be 3.70.1, 20 ± 0.02, 3 ± 0.1, 2.30 ± 0.05, 2.69 ± 0.04, 0.87 ± 0.02, 5.46 ± 0.01, 69.68 ± 0.02, 25.17 ± 1.25, 297.31 ± 0.01, 85.35 ± 0.02, 65.39 ± 0.02, 59.23 ± 0.03 and 98.57 ± 0.02 respectively. A tasty and nutritious product of tomato, leather can be prepared which can be more appealing to the consumer.

Rock-magnetic Properties of Chimneys from TA25 Seamount in the Tofua Arc, Southwest Pacific (통가 EEZ내 TA25 해저산에서 채취한 열수광체의 암석자기학적 특성 연구)

  • Kim, Wonnyon;Pak, Sang Joon;Lee, Kyeong Yong;Moon, Jai-Woon;Kim, Hyun Sub;Choi, Sun Ki
    • Economic and Environmental Geology
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    • v.46 no.3
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    • pp.207-214
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    • 2013
  • To identify rock-magnetic properties of volcanogenic hydrothermal sulfide deposits, chimneys were obtained from the Tofua Arc in Southwest Pacific, using a remotely operated vehicle (ROV) and Grab with AV cameras (GTVs). Three different types of chimneys used in this study are a high-temperature chimney with venting fluid-temperature of about $200^{\circ}C$ (ROV01), a low-temperature chimney of about $80^{\circ}C$ (GTV01), and an inactive chimney (ROV02). Magnetic properties of ROV01 are dominated by pyrrhotite, except for the outermost that experienced severe oxidation. Concentration and grain-size of ROV01 pyrrhotite are relatively low and fine. For GTV01, both magnetic concentration and grain-size increase from interior to margin. Pyrrhotite, dominant in the core, becomes mixed with hematite in the rim of the chimney due to secondary oxidation. High concentration and large grain-size of magnetic minerals characterize the ROV02. Dominant magnetic phases are pyrrhotite, hematite and goethite. In particular, the outermost rim shows a presence of magnetite produced by magnetotactic bacterial activity. Such distinctive contrast in magnetic concentration, grain-size and mineralogy among three different types of chimney enables the rock-magnetic study to characterize an evolution of hydrothermal deposits.