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Quality Characteristics of Sulgidduk Supplemented with Sunflower (Helianthus annuus) Seeds (해바라기씨를 첨가한 설기떡의 품질 특성)

  • Lim, Jeom-Hee;Kang, Yang-Sun;Kim, Jong-Gun
    • Journal of the East Asian Society of Dietary Life
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    • v.18 no.3
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    • pp.337-344
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    • 2008
  • This study was conducted to investigate the quality characteristics of Sulgidduk with different ratios of sunflower seeds (0, 3, 6, 9, 12%), stored over 3days. As amount of sunflower seed content increased, moisture contents decreased $41{\sim}36%$. The L-value decreased with increasing seed content, while a- and b-values increased. Mechanical evaluation revealed that hardness was highest at 0% and lowest at 12% seed content during the storage period. Adhesiveness was highest at 0% seed content, decreasing with increasing seed content on the first day, while cohesiveness did not show significant differences with or without seed content. Springiness increased with increasing seed content, while gumminess and chewiness decreased with increasing seed content. Results of sensory evaluations showed that color and flavor increased with addition of sunflower seed, with softness, moistness, chewiness and overall-acceptability being highest at 6% seed content. In conclusion, results prove that Sulgidduk with 6% of sunflower seed content is the best.

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An Overview of Content Poisoning in NDN: Attacks, Countermeasures, and Direction

  • Im, Hyeonseung;Kim, Dohyung
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.14 no.7
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    • pp.2904-2918
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    • 2020
  • With a huge demand for replicated content on the Internet, a new networking paradigm called information-centric networking (ICN) has been introduced for efficient content dissemination. In ICN, named content is distributed over the network cache and it is accessed by name instead of a location identifier. These aspects allow users to retrieve content from any of the nodes having replicas, and consequently 1) network resources are more efficiently utilized by avoiding redundant transmission and 2) more scalable services are provided by distributing server loads. However, in-network caching in ICN brings about a new type of security issues, called content poisoning attacks, where fabricated content is located in the network cache and interferes with the normal behavior of the system. In this paper, we look into the problems of content poisoning in ICN and discuss security architectures against them. In particular, we reconsider the state-of-the-art schemes from the perspective of feasibility, and propose a practical security architecture.

An Automatic and Scalable Application Crawler for Large-Scale Mobile Internet Content Retrieval

  • Huang, Mingyi;Lyu, Yongqiang;Yin, Hao
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.12 no.10
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    • pp.4856-4872
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    • 2018
  • The mobile internet has grown ubiquitous across the globe with the widespread use of smart devices. However, the designs of modern mobile operating systems and their applications limit content retrieval with mobile applications. The mobile internet is not as accessible as the traditional web, having more man-made restrictions and lacking a unified approach for crawling and content retrieval. In this study, we propose an automatic and scalable mobile application content crawler, which can recognize the interaction paths of mobile applications, representing them as interaction graphs and automatically collecting content according to the graphs in a parallel manner. The crawler was verified by retrieving content from 50 non-game applications from the Google Play Store using the Android platform. The experiment showed the efficiency and scalability potential of our crawler for large-scale mobile internet content retrieval.

Monthly Variations in the Nutritional Composition of Antarctic Krill Euphausia superba

  • Kim, Min-A;Jung, Hae-Rim;Lee, Yang-Bong;Chun, Byung-Soo;Kim, Seon-Bong
    • Fisheries and Aquatic Sciences
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    • v.17 no.4
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    • pp.409-419
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    • 2014
  • The proximate composition and various specific components of Antarctic krill Euphausia superba, in the catch season between March and August were investigated. Frozen krill were freeze-dried and milled. The proximate composition comprised water, proteins, fats, ash, fatty acids, and amino acids, while the specific components were vitamins, minerals, nucleotides, betaine, and astaxanthin. The moisture content of the krill ranged from 77 to 80%, with the highest value in June, and the ash content was between 12 and 13%. The protein content was lowest in May, and the fat content was 18-19%, with the highest value in March. The amino acid content varied according to the season: taurine and glycine were highest in August; ${\beta}$-alanine was higher in April and May; and arginine, ornithine, and lysine were highest in March. The unsaturated fat content was ~50% and omega-3 fatty acids were highest in June. Oil-soluble vitamins A and E were highest in March, and the water-soluble vitamin content was less than that of oil-soluble vitamins. The mineral content was highest in June, and the most abundant mineral was sodium at 235.60 mg/100 g krill. The content of other minerals was lowest (2.94 mg/100 g) in April, except for lead. The nucleotide content was highest in July, while the betaine content was highest in April and lowest in June. The astaxanthin content was highest in May and ranged from 6 to 10 ppm in other months.

Effects of Jinmutang (JMT) on Hypothyroidism in Rats (진무탕(眞武湯)이 백서의 갑상선기능저하증에 미치는 영향)

  • Choi, In-Goo;Chae, Eun-Young;Chang, Sun-Kyu;Cho, Chung-Sik;Kim, Cheol-Jung
    • The Journal of Internal Korean Medicine
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    • v.27 no.4
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    • pp.879-887
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    • 2006
  • Objectives : This study was done to investigate the effects of JMT on hypothyroidism in rats. Materials and Methods : After pretreatment with 50mg/kg thiouracil for 30 days, the experimental group was treated with 0.56g/kg JMT orally and the control group was treated with 0.56g/kg of normal saline instead for 20 days. The various indicators related to hypothyroidism were measured, such as T3-uptake content, T3 content, T4 content, TSH content, hematological values, enzyme activity, total cholesterol content, Na+ content change in the serum and body weight of rats induced by thiouracil. Results : The JMT-treated group showed significant increase in comparison with the control group in serum T3-uptake and T4 content. The JMT-treated group also showed significant decrease in comparison with the control group in serum TSH content. However, the JMT-treated group did not show significant increase in comparison with the control group in serum T3 content. The JMT-treated group showed significant increase in comparison with the control group in serum RBC. The JMT-treated group showed significant decrease in comparison with the control group in serum CPK, ALP, LDH content and serum total cholesterol content. The JMT-treated group did not show significant increase in comparison with the control group in serum Na+ content. The JMT-treated group showed significant decrease in comparison with the control group in body weight. Conclusions : These results suggest that JMT is useful in treatment of hypothyroidism.

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Mobile RSS System for Dynamic Contents Syndication (동적 Content 배포를 위한 모바일 RSS 시스템)

  • Shim, Ki-Taek;Jeong, Jong-Il;Shin, Dong-Kyoo;Shin, Dong-Il;Yoo, Su-In;Yun, Jeong-Hee;Oh, Hyun-Mok
    • Proceedings of the Korean Information Science Society Conference
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    • 2007.06d
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    • pp.411-414
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    • 2007
  • 본 논문에서는 Content의 배급 및 구독을 위해 등장한 시맨틱 웹의 대표적인 기술인 RSS 를 통하여 모바일 환경에서의 사용자가 원하는 Content를 전달 받을 수 있는 시스템을 제안하고 있다. 이 시스템은 DCD Server를 사용하여 각 Content에 대한 정보를 담고 있게 되며, UDDI를 이용하여 사용자가 원하는 Content를 키워드 검색으로 통해 지정할 수 있게 된다. 또한 사용자가 선택한 각각의 Content는 RSS를 통하여 사용자의 모바일 Client로 전달되게 된다.

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Effect of Density on WCR Measurement of Water Content in Subgrade Soils (WCR을 이용한 노상토 함수량의 측정 및 밀도 영향 평가)

  • Lee, Chi-Hun;Park, Seong-Wan;Jeong, Jin-Hoon;Kwon, Soon-Min
    • Proceedings of the Korean Geotechical Society Conference
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    • 2005.03a
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    • pp.1199-1204
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    • 2005
  • The purpose of field monitoring system in KHC-Test Road located at Joongbu-Inland Highway, is to provide the performance data for traffic and environmental loadings from pavement surface. Among them, water content reflectometers(WCR) are used to measure the volumetric water content of subgrades soils used in test roads. However, most of the WCRs are not well-calibrated based on the field conditions. In this study, the laboratory based test is performed at various density conditions to evaluate the volumetric water content in subgrade Soils with a WCR. Based on the laboratory testings, the effect of density on WCR measurement are well evaluated for predicting the volumeric water content.of subgrades soils in KHC-Test road.

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A Simple Phenol‐Indole Dye as a Chromogenic Probe for the Ratiometric Determination of Water Content in Organic Solvents

  • Kim, Kyoung- Nam;Song, Ki-Cheol;Noh, Jae-Hyun;Chang, Suk-Kyu
    • Bulletin of the Korean Chemical Society
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    • v.30 no.1
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    • pp.197-200
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    • 2009
  • A simple dye having phenol and indole moieties was synthesized and its chromogenic signaling behaviors for the determination of water content in organic solvents were investigated. The compound revealed a pronounced chromogenic behavior in response to the variation of water content in water miscible aprotic organic solvents of acetone, acetonitrile, THF, and dioxane. Significant red shifts and changes in absorption spectra allowed a ratiometric analysis of the signaling behavior. The chemosensing behaviors were particularly pronounced in water content in less than 10% that is suitable for the application of the compound as a probe for the determination of water content in binary aqueous organic solutions having lower water content.

Quality Characteristics of White Pan Bread with Kimchi Powder (김치 분말첨가 식빵의 품질 특성)

  • Kim Rae-Young;Ki Mi-Ra;Kim Mun-Yong;Lee Goon-Ja;Choi Hyeon-Mee;Chun Soon-Sil
    • Journal of the East Asian Society of Dietary Life
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    • v.15 no.3
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    • pp.340-345
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    • 2005
  • White bread with 1, 2, 3, 4 and $5\%$ Kimchi powder added and control samples were tested for moisture content, volume, height, color, free amino acid content, texture, and sensory characteristics. Moisture content was about $40.46\~41.35\%$ and increased according to the addition of Kimchi powder. Volume and height were increased with increasing Kimchi powder content For the crust and crumb color, lightness was decreased, but yellowness and redness were increased as Kimchi powder content increased For free amino acid content, glutamic acid, alanine, serine and leucine were detected in the white bread, and samples with higher content of kimchi powder showed higher amount of total free amino acid content From the sensory analysis, one with $3\%$ kimchi powder got the highest score for flavor, texture, color, moistness and overall acceptability.

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Changes of Water Activity and Physico-chemical Properties of Burley Tobacco as Affected by Storage and Moisture Contents (저장조건과 수분함량에 따른 버어리종 잎담배 수분활성도 및 이화학적 특성 변화)

  • Jang, Soo-Won;Cha, Kwang-Ho;Yang, Jin-Chul;Lee, Chul-Hwan;Shin, Seung-Ku;Jo, Chun-Joon
    • Journal of the Korean Society of Tobacco Science
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    • v.29 no.2
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    • pp.59-65
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    • 2007
  • The study was carried out to investigate water activity, physicochemical properties and color degree of burley tobacco stored in shelf with different moisture content for 56 days. The study was consist of two experimental designs, that is, moisture content in burley tobacco was kept to 13 to 15 %, 17 to 19 %, and 21 to 23 % under ambient temperature of $20^{\circ}C$ with relative humidity of 24 %, and another group of in burley tobacco was only kept in ambient temperature of $3^{\circ}C$ with relative humidity of 50 % for 56 days with same water content of former treatment. Normal leaves were kept for 56 days under 21 to 23% of moisture content with increased water activity and TSNA(tobacco-specific nitrosamine content. It was considered that favorable leaves conditions are due to favorable microbial growth resulting in increased TSNA content. The total nitrogen content has not changed in two experimental groups for 56 days, otherwise the nitrate form nitrogen and total alkaloid contents were only increased by 21 to 23 % of water content. Degree of pH change was slightly decreased in both storage and water treatment. It was more decreased in 21 to 23% of moisture content than that of other moisture content. In stored leaf tobacco, higher moisture content caused lower brightness, yellow degree, and carbonization quotient.