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규칙적인 태극권의 참여가 유방암 수술환자의 산화-항산화계에 미치는 영향
황인수(In Soo-Hwang),곽이섭(Yi-Sub Kwak) 한국생명과학회 2009 생명과학회지 Vol.19 No.4
Treatment for breast cancer produces side effects that diminish functional capacity and quality of life (QOL) among survivors. Tai Chi is a moderate form of exercise that may improve functional capacity, physical activity and oxidative stress. The purpose of this study was to evaluate the effects of regular Tai Chi exercise on malondialdehyde (MDA), SOD and physical fitness (muscle strength, flexibility, flexion, extension, adduction, and abduction). Forty obese women were recruited from a public health center and divided into control (CON: n=20) and trained (EXP: n=20) groups. The Tai Chi exercise group participated in a 12-week (4 times/week) training program. Data were analyzed with T-test. MDA, SOD and physical fitness (muscle strength, flexibility, flexion, extension, adduction, and abduction) were evaluated before and after the Tai Chi program in both groups. There were significant improvements in shoulder flexibility, flexion, extension, abduction, and adduction. However, there was no improvement in muscle strength. There were also significant improvements in MDA and SOD. Based on these results, Tai Chi exercise has been shown to stimulate endogenous antioxidant enzymes and reduce oxidative damage markers. and also be effective in improving physical fitness and QOL. Further study is needed in this area.
연관분석을 이용한 효과적인 표절검사 및 문서분류에 관한 연구
황인수 ( In Soo Hwang ) 한국정보시스템학회 2014 情報시스템硏究 Vol.23 No.3
Plagiarism occurs when the content is copied without permission or citation, and the problem of plagiarism has rapidly increased because of the digital era of resources available on the World Wide Web. An important task in plagiarism detection is measuring and determining similar text portions between a given pair of documents. One of the main difficulties of this task is that not all similar text fragments are examples of plagiarism, since thematic coincidences also tend to produce portions of similar text. In order to handle this problem, this paper proposed association analysis in data mining to detect plagiarism. This method is able to detect common actions performed by plagiarists such as word deletion, insertion and transposition, allowing to obtain plausible portions of plagiarized text. Experimental results employing an unsupervised document classification strategy showed that the proposed method outperformed traditionally used approaches.
유리 망사 섬유를 지지체로 하는 수은 제거용 흡착체의 제조와 특성 평가에 대한 연구
강인수(In-Soo Kang),이태진(Tae Jin Lee),서명조(Myung Jo Seo),황상연(Sang Yeon Hwang),박노국(No-Kuk Park),이승우(Seung Woo Lee) 한국고분자학회 2019 폴리머 Vol.43 No.5
수은 이온의 제거를 위한 흡수체를 glass web을 지지체로 하고 그 표면을 (3-aminopropyl)trimethoxysilane(APTMS)와 trimethoxy(octyl)silane(TMOS)로 처리하여 제조하였다. 제조된 흡수체의 표면은 희석 총 반사율 적외선분광법과 X-선 광전자 분광법을 이용하여 표면 처리 전의 glass web과 비교 분석하였다. APTMS와 TMOS는 지지체의 표면에 반응을 통하여 고정화되어짐을 확인하였다. 수은 이온의 제거 능력을 비교하기 위하여 glass web과 APTMS와 TMOS를 표면에 가지는 glass web을 유도 결합 플라즈마 방출 분광기 분석을 통하여 실험하였으며, 실험 결과 APTMS 표면 처리 glass web > TMOS 표면 처리 glass web > glass web의 순서로 중금속 수은 이온을 제거할 수 있음을 확인하였다. 이러한 순서는 glass web의 표면 처리에 이용된 APTMS와 TMOS의 화학 구조와 연관성을 가진다. Absorbent materials for mercury removal were prepared using (3-aminopropyl)trimethoxysilane (APTMS) and trimethoxy(octyl)silane (TMOS) on the surface of glass web fiber. Surfaces of the absobent materials were characterized by attenuated total reflectance Fourier transform infrared (ATR-FTIR) and X-ray photoelectron spectroscopy (XPS). The elements of the modified surface in the absorbent materials were well accordance with those of APTMS or TMOS. Adsorption of mercury ion from mercury-contaminated water using the prepared absobent materials was studied. Quantitative measurement of mercury ion was carried out on inductively coupled plasma-optical emission spectroscopy (ICPOES). The ability of mercury ion removal from mercury-contaminated water is in the sequence of APTMS-modified glass web > TMOS-modified glass web > pristine glass web. This sequence has relationship with chemical structure of APTMS and TMOS which were used for modification of glass web.
ACF 담지에 의한 기상 수은 흡착성 PTFE 멤브레인 필터의 제조
강인수(In-Soo Kang),신요섭(Yo-Seob Shin),권병찬(Byung Chan Kwon),박노국(No-Kuk Park),이태진(Tae Jin Lee),이승우(Seung Woo Lee),서명조(Myung Jo Seo),황상연(Sang Yeon Hwang) 한국에너지기후변화학회 2019 에너지기후변화학회지 Vol.14 No.1
In this study, the adsorbent was coated on the bag filter material to remove mercury in the flue gas of the incinerator. Activated carbon fiber (ACF) powder was used as an adsorbent. Dip coating, droplet coating, and spray coating method were tried to effectively coat ACF on the surface of polytetrafluorothylene (PTFE) non-woven fabric as a bag filter material. Among these coating methods, ACF powder was coated on the surface of PTFE non-woven fabric by dip coating to observe the adsorption behavior of mercury. It was confirmed that the coating of ACF added the mercury adsorption characteristic of the bag filter material. In addition, it was confirmed that when KI was supported on the ACF surface, the mercury adsorption performance was enhanced. This result is expected to be used as basic research data to develop a technique to simultaneously remove ultra-fine dust and small amount gas phase mercury in the flue gas in the dust collection process by filtration.
우리나라 SI 프로젝트 실태에 관한 연구 ("A"사의 사례를 기준으로)
황인수(In-Soo Hwang),박종철(Jong-Chul Park),최호득(Ho-Deuk Choi),남정호(Jeong-Ho) 한국정보과학회 1999 한국정보과학회 학술발표논문집 Vol.26 No.2Ⅰ
본 논문은 우리나라의 대표적인 SI 업체인 “A”사가 금년도에 수행한 국내 SI 프로젝트 20여개를 중심으로 조사한 생산성, 결함율, 원가, 납기, 범위, 인력, 외주 등의 데이터를 여러측면에서 분석하여 그 실상을 제시하고자 하였다. 본 조사를 통하여 명백하게 데이터로 확인된 것은 이미 알려진 바와 같이 대부분의 공공 SI 프로젝트가 소프트웨어 사업대가 기준의 30%에도 못 미치는 금액에 수주되어 겨우 직접인건비 정도를 건지는 수준에서 수행되고 있다는 사실이다. 지나치게 낮은 금액 때문에 적정의 50%도 안되는 기간과 공수로 무리한 계획을 세우고, 그 계획을 지키기 위하여 어쩔 수 없이 많은 잔업을 하고, 외주업체에는 무리한 단가 인하를 요구하게 되며, 품질을 돌아볼 여지가 거의 없는 납기지 상의 프로젝트를 수행하는 것이 엄연한 우리의 현실이다. 이러한 현상은 비단 “A”사에만 국한된 사례는 결코 아닐 것이다. 정통부가 추진하고 있는 IT관련 정책에도 이의 타개를 위한 중장기 정책과제를 도출하여 추진하고 있는 현실이 이러한 실태를 인정하고 있다는 반증이 될 것이다. 본 연구는 우리나라의 SI 프로젝트 실태를 보다 구조적으로 파헤침으로서 이의 해결을 위한 근본적인 접근의 필요성을 강조하려는데 있다.
최용석,황인수,강태주,임주락,최광렬,Choi, Yong-Seok,Hwang, In-Soo,Kang, Tae-Ju,Lim, Ju-Rak,Choe, Kwang-Ryul 한국응용곤충학회 2011 한국응용곤충학회지 Vol.50 No.4
2010년 충청남도 공주시 신풍면 사과원과 예산군 덕산면 블루베리 과원에서 최초로 보고된 이름 모를 날개매미충 일종은 대략 4-5년 전부터 과원에 출현하기 시작하여 급속도로 밀도가 증가한 것으로 추정된다. 날개매미충이 발견된 식물은 26종에서 관찰되었고, 주로 블루베리, 포도, 복숭아, 옻, 두릅, 대추, 키위, 복분자, 사과, 살구, 자두, 밤 이었다. 날개매미충의 산란은 주로 1년생 가지에서 이루어졌다. 사과와 자두의 1년생 가지에 산란된 난괴내 알의 평균수는 각각 18.7개와 15.3개였다. 또한 산란된 난괴의 평균길이는 각각 12.35 mm와 11.45 mm였다. 알의 평균크기는 길이가 1.2 mm 폭은 0.5 mm였다. 사과와 자두에 산란된 난괴내 알 간의 평균간격은 각각 1.3 mm와 1.5 mm로 차이를 보였으며 동일한 난괴 길이내 알의 평균수는 각각 17.1개와 13.3개로 차이를 보였다. An unknown planthopper was discovered in 2010 in an apple orchard in Sinpoong-myun, Gongju-si and in a blueberry orchard in Deogsan-myun, Yesan-gun. This pest have arrived 4 or 5 years ago and the population density then rapidly increased. It was identified as Ricania sp. by Dr. Murray J. Fletcher. Adult Ricania sp. was found on 26 plants including blueberry, grape, peach, sumac, japanese angelica, jujube, kiwi, Rubus coreanus, apple, apricot, plum and chestnut. Females lay eggs on 1-year-old branches. The mean number of eggs laid on apple and plum were 18.7 and 15.3, respectively. The mean length of egg masses on apple and plum were 12.35 and 11.45 mm, respectively. The distance between eggs laid on apple and plum branchs were 1.3 and 1.5 mm, respectively. The mean number of eggs in the same length of egg mass on apple and plum branchs were 17.1 and 13.3, respectively.
그룹 테크놀로지에서 제조 셀 구성을 위한 신경망기반 프로토타입 의사결정지원시스템
박명섭(Myung Sub Park),황인수(In Soo Hwang) 한국경영학회 1996 經營學硏究 Vol.25 No.3
This paper presents a prototype decision support system(DSS) suited for forming the manufacturing cells in group technology(GT). The DSS has been designed to support the decision problem of restructuring prior manufacturing cells completely or partially along with the changing conditions in a manufacturing system, and developed to incorporate the what-if capability in order to support decision makers more effectively. All data necessary in forming manufacturing cells are stored and managed through the database system in the DSS. Carpenter-Grossberg`s neural network (CGNN), which is known to be simple in logic and strong in performance, has been modified and used as a problem solving method in the model base of the DSS. It is expected that the framework of the proposed DSS be accommodated to incorporate many other algorithms developed for manufacturing cell formation and be applied to different areas of decision making problems.