젊은 남자 성인의 칼슘과 철의 영양상태에 관한 연구

박영숙,곽주영,권지혜,류화라 순천향대학교 기초과학연구소 2002 순천향자연과학연구 논문집 Vol.8 No.1

A survey was performed to 174 male young men who were living alone(40 persons) and shared living with friends(4143 persons) in Chungnam province. Their average age was 22.6 years old, height 171.8 ㎝, and weight 65.6 ㎏. Their daily calcium intake level was averaged 271.9±169.1 ㎎, which was 38.8 %RDA. Comparing calcium intake of each mealtime, breakfast, lunch, dinner, and snacks were composed of 18.6%, 30.0%, 34.0% and 17.4%, respectively. Their daily iron intake level was averaged 8.9±10.8 ㎎, which was 74.3 %RDA. Comparing iron intake of each mealtime, breakfast, lunch, dinner, and snacks were composed of 15.4%, 33.6%, 36.3% and 14.7%, respectively. These results suggested that deficiency of the two minerals in young male adults were severe and the nutrient qualities were also poor, no matter of their living alone or with accompanies. The deficiency was more profound in calcium than iron. And we observed iron nutriture differed significantly according to their living status, such as iron intake and its %RDA were significantly worse in single living subjects than the others. However calcium did not show significant difference. We concluded that shared living environment in young male adults could possibly improve their dietary mineral intake levels.

분류나무와 결측치

곽영훈,김지현 崇實大學校 生産技術硏究所 2001 論文集 Vol.31 No.-

There are many statistical method for classification or discriminant analysis. The classification tree is one of them. There are several algorithms for classification tree. In this paper a comparison study is done of the performance of those algorithms for classification tree when we have missing values in predictors at hand. With the misclassification error rate as a performance measure, different algorithms are compared for different patterns of missing values.

ZnO:AI 과 ITO 투명전도막을 이용한 플랙시블 DSCs의 변환효율 특성

정기영,김지훈,성열문,곽동주,추영배 경성대학교 공학기술연구소 2010 공학기술연구지 Vol.16 No.-

In order to investigate the possible application of ZnO films as a transparent conducting oxide (TCO) electrode for film-typed dye sensitized solar cell(F-DSC), ZnO:Al films were prepared by RF magnetron sputtering method. The effects of gas pressure on the structural and electrical properties of ZnO films were mainly studied experimentally. F-DSC using either a ZnO:Al or indium tin oxide (ITO) electrode were also fabricated separately under the same manufacturing conditions. The electro-optical conversion efficiency and fill factor of the F-DSCs using both ZnO:Al and ITO transparent conducting electrodes were measured and compared with each other. ZnO:Al films showed the minimum resistivity of 2.6 x10^(-3)Ω-cm and a transmittance of 91.7% under the experimental conditions of doping concentration of 2 wt% of Al₂0₃ and gas pressure of 5mTorr. ITO films fabricated at 5mTorr of gas pressure also showed the minimum resistivity of 1.5x10^(-3)Ω-cm and transmittance of 92.1%. Although the electrical resistivity of ZnO:Al is higher than that of ITO, the conversion efficiency of F-DSC using ZnO:Al was comparable with that of F-DSC using ITO. The conversion efficiency of F-DSCs using ZnO:Al and ITO electrodes are about 2.8% and 2.9%, respectively.

고추 탄저병 저항성 중간모본 ‘원예 100005호 ’,‘원예 100006호’ 육성

양은영,김수,채영,채수영,조명철,문지혜,박태성,이우문,곽정호 忠北大學校 農業科學硏究所 2015 農業科學硏究 Vol.31 No.2

Owing to frequent heavy rain due to abnormal weather, the occurrence of pepper anthracnose has recently increased, which affects the supply and demand of pepper. As a result, the price of red pepper powder in 2011, for example, increased three times compared to the average year. Although anthracnose of pepper plants has been controlled by fungicides until now, it is important to develop new resistant cultivars because of the reduction of the labor force in rural area and occurrence of new anthracnose strains resistant to fungicides. National Institute of Horticultural and Herbal Science developed two pepper lines, ‘Wonye 100005’ and ‘Wonye 100006’ that are resistant to pepper anthracnose. These lines were developed by continuous selection of progenies from a cross between ‘Wonye AR1’, which were developed from interspecific hybridization and ‘TF68’. The anthracnose resistance level of the two lines was higher than that of commercial cultivars and similar to check varieties showing highest level of anthracnose resistance.

한국 대도시 고령자의 체격, 체력 및 운동실태와 운동 프로그램개발에 관한 연구

김경지,강동원,장주호,전익기,윤우상,곽은창,박영진,유재충 경희대학교 사회체육연구소 1996 體育科學論叢 Vol.- No.9

The purpose of this study was to investigate the patterns of the health related variables, and physical characteristics and physical fitness of the elderly people in order to provide a exercise program. The data about the health related variables were collected through the personal interview, and the data about physical charateristics and physical fitness (height, weight, % body fat, blood pressure, pulse rate, grip stength, trunk flexion, side step test, 2 min, harvard step test) of 373 elderly people living Seoul and kyungkee area were collected. The conclusions of this study can be summarized as follow; 1. The test results about smoking, drinking, sleeping and self-evaluation of health revealed that the elderly people have self-confidence about their health. 2. Not many elderly people participate the proper exercise program even though they recognize the need of exercise. 3. The results showed that the elderly people do not pay much attention to the intensity of the exercise. 4. Muscle strength training for leg and the lower back and cardio-vascular endurance training was recommended to reduce the risk of varius problems caused by aging. 5. A exercise program was suggested for the elderly people.

석회유담즙증 1예

이지아,김도영,정혜경,문일환,신수연,곽재진 梨花女子大學校 醫科大學 醫科學硏究所 2003 EMJ (Ewha medical journal) Vol.26 No.1

Milk of calcium bile or limy bile is a rare disorder in which the gallbladder lumen is filled with a thick, paste-like, radio-opaque material. Churchman first reported a case of curious deposition of calcium salts within the gallbladder in 1911. Volkmann first used the term Kalkmilchgalle or "milk of calcium bile" in 1926. The radio-opaque material is almost entirely composed of calcium carbonate by weight. The mechanisms by which bile turns limy and radio-opaque or the time required for this biochemical alteration to occur are not well understood. The limy bile is found mostly in a gallbladder complicated by cholecystitis. Recently, we experienced a 33 year old woman who had a milk of calcium bile in the gallbladder lumen. We report this case with a review of literature.

회분식 반응기에서 ABS 수지의 열분해특성에 관한 연구

김지태,곽현,류한영,배성렬 漢陽大學校 工學技術硏究所 2002 工學技術論文集 Vol.11 No.-

본 연구는 앞으로 폐플라스틱 뿐 아니라 다른 폐기물에도 보편화될 것으로 예상되는 열분해공정을 이용하여 ABS 수지(Acrylonitrile-Butadiene-Styrene resign)에 대해 열분해 실험을 행하였다. 교반기가 달린 회분식 반응기에서 5대범용수지(PS, PP, PE, PVC, ABS)중 전기부품과 자동차 부품 등으로 많이 사용되고 있는 ABS 수지 100g을 400, 420, 440℃ 의 분해온도에서 등온 열분해실험을 행하였다. 대부분 고분자의 열분해 반응은 1차이므로 1차반응으로 가정하고 속도록적 해석과 함께 활성화에너지를 구하였다. 실험변수인 분해온도가 오일, 가스 및 잔류물질의 수율과 오일 생성물의 성분분포에 미치는 영향을 관찰하였다. 분해온도에 따라 약간의 차이가 나긴 하지만 주성분은 styrene, benzenebutanenitrile, ethylbenzene 등의 성분으로 이루어져 있었고, 생성오일의 양은 분해 온도가 높을수록 증가했으며, 부가가치가 큰 styrene 단량체 역시 400℃ 일 경우 32.6wt%였으나 440℃일 경우 45.8wt%까지 크게 증가하였다. Isothermal pyrolysis experiment was performed on ABS resign 100g in batch reactor. The temperature was varied from 400℃ to 440℃ at intervals of 20℃. Because most plastic degradation reaction was first order, it assumed first order and elucidated the kinetics. This was the basis of characteristics analysis of ABS resign degradation mechanism. Also, the effect of temperature on the yield of oil, gas and char product change was observed, and the distribution of oil product components was observed. Main components of oil product were a little difference with degradation temperature, but they consist of styrene, benzenebuttanenitrile, ethylbenzene etc. and their yield increased along with degradation temperature. Particularly, high value added styrene yield 32.6wt% at 400℃ but increased to 45.8wt% at 440℃.

동작법이 중복장애아동의 자세와 소근육 운동기능에 미치는 영향

하지영,곽승철 한국초등특수교육학회 2005 초등특수교육연구 Vol.7 No.1

Acylthiocholine의 합성

정두희,이지현,박유미,정대일,곽문정,신영주 東亞大學校附設基礎科學硏究所 1998 基礎科學硏究論文集 Vol.15 No.2

Choline esters that are used with substrate of EE-AChE-catalyzed hydrolyses were synthesized by two methods. 2-Chloroethyl thiohexanoate 4a, 2-chloroethyl thioheptanoate 4c, and 2-chloroethyl thiooctanoate 4b were synthesized by treatment of hexanoyl chloride 3a, heptanoyl chloride 3c, and octanoyl chloride 3b with ethylene sulfide 2. Hexanoylthiocholine 6a and octanoylthiocholine 6b were synthesized by using 4a and 4b with trimethylamine 5. Secondly after reaction ethylene sulfide 2 with dimethyl amine 7 and acylation by acid anhydride 8, heptanoylthiocholine 6c, decanoylthiocholine 6d were synthesized by treatment of methyl iodide.

AZO 투명전도막의 전기 광학적 특성에 미치는 PET 기판 표면처리 효과

박병욱,김지훈,성열문,추영배,곽동주 경성대학교 공학기술연구소 2008 공학기술연구지 Vol.15 No.-

In this paper aluminium-doped zinc oxide(ZnO:Al) conducting layer was deposited on polyethylene terephthalate(PET) substrate by r. f. magnetron sputtering method PET substrate was modified by a DBD(dielectric barrier discharge) plasma before sputtering to improve the electric and optical properties of ZnO:Al film and to increase also the deposition rate The effect of heat treatment time on the dectrical, optical, chemical and structural properties of ZnO:Al thin film were investigated experimentally The PET films modified with the DBD plasma showed a significant decrease in water contact angle The deposition rate of ZnO:Al film in the case of the plasma-treated substrate was also increased by around 2 times compared to the untreated substrate The minimum resistivity of about 28×10-3 Ω-cm and transmittance of about 83.3% were obtained under the experimental condition of 6min of heat treatment time.