• Korean Journal of Pharmacognosy
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• v.44 no.3
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• pp.253-256
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• 2013

Six flavonoid compounds were isolated from the underground parts of Curcuma longa (Zingiberaceae) through repeated column chromatography. Their chemical structures were elucidated as kaempferol-3-O-${\alpha}$-L-rhamnopyranosyl(1${\rightarrow}$2)-O-${\alpha}$-L-rhamnopyranoside (1), quercetin-3-O-${\alpha}$-L-rhamnopyranosyl(1${\rightarrow}$2)-O-${\alpha}$-L-rhamnopyranoside (2), quercetin-3-O-${\beta}$-Dglucopyranoside-7-O-${\alpha}$-L-rhamnopyranoside (3), kaempferol-3-O-${\alpha}$-L-rhamnopyranoside (4), quercetin-3-O-${\alpha}$-L-rhamnopyranoside (5), and quercetin (6), respectively, by spectroscopic analysis. These compounds were isolated for the first time from this plant.

• Journal of Physiology & Pathology in Korean Medicine
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• v.20 no.6
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• pp.1774-1778
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• 2006

To evaluate the effects of oriental treatment on sequela of abortion patients. From January 2005 to April 2006, 12 patients in Dong-Shin university Oriental Hospital with history of sequela of abortion were selected for this study, and their medical records were reviewed retrospectively. There were 12 sequela of abortion patients who were treated with herbal medicine(Kungkuejoheolem, Kamionkyung-tang), Jokyungjongok-tang), acupuncture, moxa. 11 patients aborted below 12weeks, and 1 patient aborted above 12weeks. Those patients complained of lower abdominal pain, arthralgia, dizziness, hand and foot coldness, and lower abdominal coldness ect. after abortion. Arthralgia was treated 68.6%, lower abdominal pain and hand and foot coldness was treated 44%, dizziness was 43.5% and so no. Patients improved about 57.72%. In this study, that oriental medical therapy is significantly effective on the treatment of sequela of abortion patients.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.12 no.12
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• pp.2171-2178
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• 2008

Recently, Network companies have introduced security solutions to protect the network from intrusions, attacks and viruses but the network has still weakness and vulnerability. It is time to bring more stable and reliable authentication system that would meet the Internet user's need. In this study, Current broadband networks don't have hierarchic and stable authentication solutions. And so, an integrated and hierarchic system is needed to provide a various kinds of application services. I'd like to present a new authentication system which is based on unified web authentication design. It will unit various authentication systems that have been deployed in various network environment and reinforce network security to provice a various kinds of application services in a stable and safe environment. that is a simple and more secure method for fighting a rise in card-not-present fraud.

• Proceedings of the Korea Water Resources Association Conference
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• 2017.05a
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• pp.204-204
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• 2017

WRF 모형은 실제 자연에서 나타나는 대기 현상의 원인을 물리적 동적 방정식들의 항으로 표현한 수치예보모형으로 전세계의 상업적 비상업적인 수치예보모형 안에서 성능이 뛰어나다고 평가되어지고 있다. WRF 모형은 오픈소스 기반의 비상업적 모형으로 사용 및 수정이 자유로운 특징이 있으며, 위성 및 레이더와 같은 고도화된 다양한 기상관측자료를 입력자료로 활용할 수 있는 장점이 있다. WRF-HYDRO 모형은 WRF 모형이 갖는 공간적인 저해상도 문제를 해결할 수 있는 고해상도의 격자를 구축할 수 있으며 유출량과 수문 변량을 추정할 수 있는 추적 모형을 추가하여 수문학적 예측 능력을 향상하고자 개발되었다. 기존 모형과의 차별성으로는 기상인자로 인하여 도출된 지표면의 수문인자들이 시간의 변동에 따라서 다음 시간의 기상인자에 영향을 미치는 피드백 구조로 구성되어 기상과 지표면이 양방향으로 연결되는 특징이 있다. 기존 모형에 비하여 향상된 구조적인 특징은 수문학적 순환과정을 자연스럽게 재현함으로서 신뢰성 있는 결과를 도출할 수 있을 것으로 판단된다. 본 연구에서는 만경강 유역의 실제 유출 사상에 대하여 WRF-HYDRO 모형을 적용하고, 홍수통제소 관할 만경강 유역내 수문 관측소 자료와의 비교를 통해 WRF-HYDRO 모형의 적용성을 검토하였다. 수문 관측소를 통한 검토 결과를 기반으로 WRF-HYDRO 모형에서 제시된 수문-기상 정보를 통하여 만경강 유역의 홍수 사상의 발생 과정에 대한 추적 및 미계측 변량의 추정에 유용하게 사용할 수 있을 것으로 판단된다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2009.05a
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• pp.191-194
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• 2009

Vocational rehabilitation is defined as a process which helps people with disabilities to maintain life of non-disabled people and vocational assessment is a part of it. Traditionally, vocational assessment is performed through using of assessment tools, vocational counseling and so on. It is very efficient to apply vocational assessment to people with disabilities using the internet, but we should provide them with web accessibility. In this paper, we design and implement the aptitude test system for people with visual impairment supporting web accessibility. We develop the aptitude test system using the Holland Test which is the assessment tool of career guidance and counseling. We also show that the aptitude test system for people with visual impairment supports web accessibility more than previous Holland Test which is served in the internet.

• Microbiology and Biotechnology Letters
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• v.50 no.4
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• pp.465-476
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• 2022

The importance of beneficial microorganisms, particularly probiotics, that coexist in the human body, is being increasingly recognized. Probiotics are representative health functional foods that provide health benefits to humans through the production of various metabolites, including short-chain fatty acids. However, the health benefits are strain-specific, and the use of each probiotic strain should follow guidelines that assure its safety. Accurate identification of the strain should be managed through genetic and phenotypic analyses of the strain. Besides, the functionality of probiotics should be disclosed in vitro and in vivo so that they can be used as legal functional ingredients (i.e., individual standards). In this review, we deal with the guidelines, including the technical factors related to probiotic strains. The common health effects of probiotic strains include proliferation of beneficial bacteria, control of harmful bacteria, and facilitation of bowel activities. Probiotics with various functionalities (e.g., body fat and cholesterol reduction, vaginal health, and improvement of skin's immune system) have been investigated as "individual standards of raw materials for health functional foods" provided by MFDS. In the future, various biotechnologies including synthetic biology can be applied to produce customized probiotics to improve human health.

• The Korean Journal of Mycology
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• v.51 no.1
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• pp.25-38
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• 2023

Three fungal strains belonging to the class Sordariomycetes were isolated from soil collected on Jeju Island and Gyeongsangbuk-do, Korea. They were identified as Diaporthe endophytica (KNU-JJ-1809), Faurelina indica (KNU-JJ-1830), and Trichoderma ivoriense (KNU-4-KH1). KNU-JJ-1809 produced beta conidia that were straight, curved, hyaline, smooth-walled, with a diameter of 16.5-25.0×0.6-1.7 ㎛. The conidia of strain KNU-JJ-1830 were hyaline to light green, thin, clavate, round, truncate base, had guttules at both ends, with a diameter of 2.5-5.2×1.7-3.8 ㎛. The conidia of strain KNU-4-KH1 were oblong or ellipsoidal, smooth-walled, greenish, with a diameter of 2.2-4.4×2.2-3.6 ㎛. Internal transcribed spacer regions, partial large subunit, translation elongation factor 1-alpha, β-tubulin, and calmodulin genes were used to confirm the strains, and their cultural and morphological characteristics. To our knowledge, this is the first report on D. endophytica, F. indica, and T. ivoriense in Korea.

• Proceedings of the Korea Information Processing Society Conference
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• 2024.05a
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• pp.635-638
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• 2024

최근, 대조 학습 기반의 멀티미디어 추천 시스템들이 활발하게 연구되고 있다. 이들은 아이템의 다양한 모달리티 피처들을 활용하여 사용자와 아이템에 대한 임베딩들(뷰들)을 생성하고, 이들을 통해 대조 학습을 진행한다. 학습한 뷰들을 추천에 활용함으로써, 이들은 기존 멀티미디어 추천 시스템들보다 상당히 향상된 추천 정확도를 획득했다. 그럼에도 불구하고, 우리는 기존 대조 학습 기반의 멀티미디어 추천 시스템들이 아이템의 뷰들을 생성하는 데에 아이템의 모달리티 피처들을 올바르게 반영하는 것의 중요성을 간과하며, 그 결과 추천 정확도 향상에 제약을 갖는다고 주장한다. 이는 아이템 임베딩에 아이템 자신의 모달리티 피처를 올바르게 반영하는 것이 추천 정확도에 향상에 도움이 된다는 기존 멀티미디어 추천 시스템의 발견에 기반한다. 따라서 본 논문에서 우리는 아이템의 모달리티 피처들을 올바르게 반영할 수 있는 뷰(구체적으로, 모달리티 반영 뷰)를 통해 대조 학습을 진행하는 새로운 멀티미디어 추천 시스템을 제안한다. 제안 방안은 두 가지 실세계 공개 데이터 집합들에 대해 최신 멀티미디어 추천 시스템보다 6.78%까지 향상된 추천 정확도를 보였다.

• Korean Institute of Interior Design Journal
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• v.21 no.2
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• pp.92-100
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• 2012

This study was to examine the pattern of visual interpretation in the process of eye-tracking. I categorized the subjects' observation inclination for analysis so that I could find out which element the user observing the space concentrated and explored. First, for 2 minutes of observation, there occurred 171 times of eye-fixations and 9.8 times of observation frequency on average, which showed that the subject, through this observing fixation, spent 44.5% of the entire time performing the visual activity in order to acquire the "visual understanding" of the lobby-space. Second, I found out that there was a consistent observation type as the time passed. I could categorize the subjects observing the space into 6 concentrating types and 3 discontinuing ones of observation types, which category can be utilized as data for analyzing the subjects' characteristics at space-observation. Third, the type, which was so intensive as to get the visual understanding on the space, was mostly of the case that (1) the subject had a kind of high degree of observation type, exploring the space, again having high degree of the observation type [Type A], (2) the subject repeated the concentration from the early part to the latter [Type C], which can be considered to be the observation type generally shared. Fourth, in the case of observing the space, 45.8% of the subjects showed a high rate of concentration at the time of starting the observation and in less than two minutes. The subjects of type A can be considered to understand the space visually by distinctively repeating the concentration and exploration.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2011.05a
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• pp.220-222
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• 2011

Directors of small-scale printing are not easy to use an image editor which is similar to Adobe photoshop and illustrator. According to above reasons, although the design was simple but agency doesn't have the ability, so it became a vicious cycle. To remove this, in this paper, we show possibility of making web based printing and converting data, that can make HTML to image, and reconvert to PDF. In addition, the technology using web service provides additional-services. Moreover, it is benefitional to directors who require add features quickly by using this web based POD system, where we can make name cards or stickers,and so on and can provide templates which doesn't need a complex work, and gives us a minimum effort.