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유택규,박상규,김미영,유은희,강병조 대한생물치료정신의학회 2001 생물치료정신의학 Vol.7 No.2
This study was performed to identify personality trait of patients with methamphetamine and alcohol abuse by analyzing MMPI profiles. 93 methamphetamine abuse patients, 59 alcohol abuse patients and 52 healthy subjects completed MMPI. Each MMPI profile in three groups was analyzed by F-test and discriminant function analysis. Alcohol abuse patients showed higher scores n F, Sc(8), and Si(0) profiles of MMPI than the patients with methamphetamine abuse. 3 variables(F, Si, Pd) were discriminated in there two groups. Methamphetamine abuse patients showed higher cores in F. K. Hs(1), Hy(3), Pd(4), Pa(6), Sc(8), and Ma(9) profiles of MMPI than the normal controls. 5 variables (Pa, Pd, Si, K, L) were well discriminated in these two groups. The alcohol abuse patients showed higher scores in F, Hs(1), D(2), Hy(3), Pd(4), Mf(5), Pa(6), Pt(7), Sc(8), and Ma(9) profiles of MMPI than the normal controls, but lower scores in K subscale, 3 variables(F, Pb, Pa) were well discriminated in these two groups. Specially these results indicated that alcohol abuse patients had more psychotic symptoms than methamphetamine abuse patients. These results may suggest that addicted individuals have personality traits to be drug addicts, but it was unclear that these results were ue to predisposing personality traits or results of drug abuse.
고등학교 정치교과서의 정치교육내용 비교 분석 : 『정치·경제』·『정치』교과서의 비교를 중심으로 『Politics·Economics』and 『Politics』
조성규,손병선 順天大學校 師範大學 附屬 科學敎育硏究所 1999 科學과 敎育 Vol.7 No.-
The purpose of this study is to compare and analyze the political education contents in a viewpoint of conservative and innovative function between 『Politics』and 『Politics·Economics』of the high school textbooks, those have been used in 5th and the 6th curriculum. First of all, this study made an analytic model about the political education context of the high school textbooks on the basis of many theories about the political education for students. Second, it made criteria about the usefulness and the harmony between conservative and innovative function for political education in a socio-functional point of view, and also, briefly reviewed the process of undergoing changes in the social studies curriculum until now. Third, according to the criteria, it examined the contents of the politics textbooks of the high school and analysed the frequencies of contents in each political education areas. The contents of political education in 『Politics·Economics』 showed more tendencies of a rightist direction than those in 『Politics』. In conclusion, the study is suggesting it is critical for students to teach organization culture, discipline and to maintain the society, but the recent political education needs to teach them both conservative and innovative area to a adjust themselves to a changing society.
뽕나무 苗木 植栽後 枝條 및 뿌리皮部의 貯藏物質의 變化
成圭秉,柳根燮 한국잠사학회 1990 한국잠사곤충학회지 Vol.32 No.2
To make clear the changes of the amount of reserve substances in the bark of stem and root of mulberry graftages after planting, studies were carried with mulberry graftages classified into three groups of 7.0~7.9mm, 9.0~9.9mm and 11.0~11.9mm in diameter of stems at 3cm above their base. The results obtained were as follows: 1. The dry weight of stem and root bark gradually decreased with growth of new shoots till about five weeks after planting, and from then it increased. 2. The duration of new shoots growth depending on the reserve substance was limited for 6∼7 weeks after planting. In no fertilized group, the length of new shoots increased up to 6~7 weeks, from then decreased. 3. Dry leaf yield three weeks after planting was found to be no difference in the same diameter of saplings between with and without fertilization. 4. The content of chlorophyll in the leaves was higher in thicker group and in fertilized group than thinner and no fertilized one, respectively. 5. There was no difference in the amount of carbohydrates of the bark of stem and root among the stem diameters. There was a transient increase in the amount of total sugar in the bark of stem and root in the first three weeks after plantillg, followed by gradual decline of to five weeks. The amount of reducing sugar in the bark of stem and root increased both in fertilized and in no fertilized group up to three weeks after planting, and then it decreased. There was a gradual decline in the content of starch in the bark of stem and root both in fertilized and in no fertilized group up to five weeks after planting, followed by gradual increase.
Interaction between odontoblast and bio-calcium phosphate cement reinforced with chitosan
Byung-Do Chun,Sung-Won Kim,Sung-Tak Lee,Tae-Hoon Kim,Jung-Han Lee,Gyoo-Cheon Kim,Yong-Deok Kim,Uk-Kyu Kim 대한구강악안면외과학회 2011 대한구강악안면외과학회지 Vol.37 No.5
Purpose: Calcium phosphate cement (CPC) is one of many useful materials for restoring tooth defects, periodontium and maxillofacial area. Chitosan is a biodegradable material that has been shown to promote the growth and differentiation of osteoblasts in culture. This study examined the interaction between odontoblasts and bio-calcium phosphate cement reinforced with chitosan. Materials and Methods: 5×10 3 odontoblastic cells were seeded into each well. Various concentrations of bio-calcium phosphate cement reinforced with chitosan (10, 20, 50, 100, 200, 500 μg/ml, 1, 2, 4 mg/ml) were diluted and added to the wells. The well was incubated for 24 h, 48 h and 72 h. After incubation, the number of cells was assessed to determine the cell viability. A cytokinesis-block micronucleus assay and chromosomal aberration test were carried out to estimate the extent of chromosomal abnormalities. Microscopic photographs and RT-PCR were performed to examine the adhesion potential of bio-calcium phosphate cement reinforced with chitosan. Results: Bio-CPC-reinforced chitosan did not show significant cytotoxicity. The number of damaged chromosomes in the cells treated with BioCPC-reinforced chitosan was similar to that in the control cells. There was no significant increase in the number of chromosomal aberrations in the Bio-CPC reinforced chitosan exposed cells. Microscopic photographs and RT-PCR confirmed the adhesive potential of bio-CPC reinforced chitosan to odontoblasts. Conclusion: Bio-CPC-reinforced chitosan did not affect the odontoblastic cell viability, and had no significant cytotoxic effect. Bio-CPC-reinforced chitosan showed adhesive potential to odontoblasts. These results are expected form the basis of future studies on the effectiveness of dental restorative materials in Bio-CPC reinforced with chitosan.
성규병,김현복,남학우,이상욱,구태원,박광준,김호락 한국잠사학회 2001 한국잠사곤충학회지 Vol.43 No.1
New Mulberry Cultivar, Milsungppong, was selected from Fl seedlings obtained by crossing the female, 4X Keomseolppong, and the male, Kaeryangppong. Local adaptability test has been carried out at five Places(Suwon, Chunchun, Cheongju, kongju and Sangju) for four year since 1992. Leaf quality was tested by silkworm rearing for two sildworm rearing seasons(spring and autumn) at Suwon in 1995. From these tests, Milsungppong was found to be superior to control cultivar, Kaeryangppong, in productivity, footability and shoot cold injury. The new cultivar, Milsungppong, has following agronomic characteristics as compared with Kaeryangppong, the most prevailing cultivar in Korea. It is triploid cultivar belonging to Morus bombycis KOIDZ with the leaf shape of five lobes, sprouting in spring nearly the same to the Kaeryangppong (Morus alba L.). high leaf yielding of 25% compared to Kaeryangppong (Morus alba L.) and the medium degree of cold resistance. It is adaptable to every where in Korea except the area cold injury broken out habitually. Milsungppong is recommended to rear silkworms not only in spring but also in autumn besides for young silkworms.
Breeding of mulberry variety “Shimgang” showing resistance to popcorn disease
( Sung Gyoo Byung ),( Seo Sang Deog ),( Kim Yong Soon ),( Ju Wan Taek ),( Kim Hyun Bok ),( Kim Kee Young ) 한국잠사학회 2016 International Journal of Industrial Entomology Vol.33 No.2
We bred a mulberry cultivar named Shimgang, through local adaptability test, which is under registration as a new cultivar for fruit production. Local adaptability test had been carried out at four local places(Suwon, Chuncheon, Buan and Jinju) for five years from 2011. This variety `Shimgang` belongs to Morus Microphylla Buckl. selected from seedlings imported from USA. Shimgang was resistant to popcorn disease and high yielding variety in fruit productivity by 111% compared to control cultivar `Shimheung(Morus alba L.)` for three years. Although fruits of `Shimgang` was smaller in size and lower in sugar content of mulberry fruits, it showed stronger resistance than that of `Shimheung`. It is adaptable to every where except the places where cold and late frost damage happen frequently.
( Sang Duk Ji ),( Gyoo Byung Sung ),( Pil Don Kang ),( Kee Young Kim ),( Yong Soo Choi ),( Nam Suk Kim ),( Soon Ok Woo ),( Sang Mi Han ),( In Pyo Hong ),( Nam Gyu Ha ) 한국균학회 2011 韓國菌學會誌 Vol.39 No.3
This study was conducted to confirm the possible use of female Yangwonjam as a host for synnemata production of Isaria tenuipes in eight local areas in Korea. Silkworm pupation rate, infection rate and synnemata characteristics of I. tenuipes were examined. Normal silkworms had a higher pupation rate than silkworms inoculated with I. tenuipes. The pupae survival percentage of normal silkworm in cocoons was 92.5~97.6%, whereas it ranged from 91.1~95.6% in silkworms sprayed with I. tenuipes. Female Yangwonjam showed the highest survival percentage at 97.6% among the silkworm varieties tested. I. tenuipes infection rate of larvae of 5th instar newly-exuviated silkworms was 89.2~90.7% in the spring rearing season and 98.2~99.3% in the autumn rearing season. Synnemata production of I. tenuipes was excellent in female Yangwonjam with an incidence rate of 98.0% followed by male Yangwonjam (94.1%) and Baegokjam (93.3%) in the spring rearing season. Synnemata living weight ranged from 1.44~0.94 g in the spring rearing season. The female Yangwonjam had the heaviest synnemata weight (1.44 g) in the spring rearing season. The synnemata of I. tenuipes produced on pupae were white or milky-white in color, and were similar in shape and color to wild synnemata collected in Korea.