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정원우,이윤종,강용희,윤일희,이우붕,손종경,김중욱,강동진,권용주 慶北大學校 師範大學 科學敎育硏究所 1999 科學敎育硏究誌 Vol.23 No.-
The purpose of this study is to investigate the status of the experimental and practical education in high school general science. The present status and reasonable management of the experimental and practical education in high school general science were evaluated by the questionaires. To do this, 146 science teachers in Korea are administered questionaires. The frequency of the experimental and practical items in the seven kind of general science text books were investigated. The problems and the reasonable management for experimental and practical education were proposed in this paper.
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Kyu-shik Jeong,정원일,Jae-yong Chung,Mi-young An,Chae-yong Jung,Gyoung-jae Lee,Jong-soo Kang,Byeong-cheol Kang,Young-heun Jee,Bruce H Williams,Young-oh Kwon,Da-hee Jeong 대한수의학회 2003 Journal of Veterinary Science Vol.4 No.2
Cirrhosis Occurring in a Young Woodchuck (Marmota monax) Due to Vertical Transmission of Woodchuck Hepatitis Virus (WHV)Da-hee Jeong, Won-il Jeong, Jae-yong Chung, Mi-young An, Chae-yong Jung, Gyoung-jae Lee1, Jong-soo Kang1, Byeong-cheol Kang2, Young-heun Jee3, Bruce H Williams4, Young-oh Kwon5 and Kyu-shik Jeong*College of Veterinary Medicine, Kyungpook National University, Daegu 702-701, Korea1Shinwon Scientific Co., LTD, Research Institute, Suwon, Korea2Clinical Research Institute, Seoul National University, Seoul 110-744, Korea3College of Veterinary Medicine, Jeju National University, Jeju 690-756, Korea
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강정화,강선희,안은숙,정희종 한국식생활문화학회 2003 韓國食生活文化學會誌 Vol.18 No.6
To determine the conditions of the fermentation and storage for Chonggak kimchi refrigerator, prepared Chonggak kimchi took into kimchi refrigerators which were controlled at four different modes of the fermented temperature and time, and fermented and kept for 16 weeks. The pH in Chonggak kimchi fermented at 20℃ for 24 hours/stored at 01℃ dropped greater than all of kimchi fermented at other combinations, and the changes of pH at any combinations were not greater than those in Baechu kimchi, because pH in Chonggak kimchi did not dropped below 4.5. Acidities in Chonggak kimchi were greatly increased at higher temperature. The acidity in Chonggak kimchi during the first week of fermentation was lower than that in Baechu kimchi and then it was rather higher becuase of the addition of waxy rice paste. In texture, puncture force of Chonggak kimchi was decreased slowly until 8 weeks of fermentation and then did not changed much and the highest values showed in Chonggak kimchi stored directly at -1℃ without any fermentation. In sensory evaluation, the score for the carbonated flavor and the sourness were the highest in Chonggak kimchi fermented at 20℃ for 24 hours/stored at -1℃, but the lowest in Chonggak kimchi stored directly at -1℃ without any fermentation because of some undesirable flavors. The lowest hardness showed in Chonggak kimchi fermented at highest temperature and the best hardness was in Chonggak kimchi fermented at 5℃ for 3 days or 6 days/ stored at -1℃. The appearance was the best in Chonggak kimchi fermented at 20℃ for 24 hours/stored at -1℃ and the worst was in Chonggak kimchi stored directly at -1℃ without any fermentation. The overall acceptability of Chonggak kimchi fermented at 20℃ for 24 hours/stored at -1℃ was good after 4 weeks of fermentation, but in Chonggak kimchi fermented at 5℃ for 3 days or 6 days/stored at -1℃ it was food after 6 weeks. Total microbial counts in most of Chonggak kimchi were reached to a maximum number within 7 days, and then decreased similarly at all modes. Leuconostoc spp. and Lactobacillus spp. increased to maximum number of 1.48 10^(9) and 5.62 0^(9), respecively, in Chonggak kimchi fermented for 7 days. Yeast counts showed a increasing trend not depends on fermenting temperature and they were lower counts than those in Baschu kimchi. Waxy rice paste which added to Chonggak kimchi resulted in increasement of glucose as a carbon source and stimulated to reproduce the microbes in Chonggak kimchi.
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강미정,윤경영,성종환,이광희,김광수 동아시아식생활학회 2004 동아시아식생활학회지 Vol.14 No.4
Studies on extraction and color stability of carotenoids from astringent persimmon(Diospyros kaki) were performed to provide the basic information for the utilization of persimmon pigment as a new source of natural food colorant. The major carotenoids in astringent persimmon were beta-cryptoxanthin, lycopene and beta-carotene. Beta-cryptoxanthin was the first major pigment and lycopene the next. Total carotenoid content in persimmon calculated as beta-carotene equivalent was 107.4 ㎍/g. The data indicated that the astringent persimmon was a good source of carotenoid pigment. The physical and chemical stabilities of carotenoid from astringent persimmon were investigated at various conditions of temperature, pH and antioxidant. The effects of oxygen and light on the stability of carotenoid pigment has been investigated. The factors that cause the discoloration were visible light, temperature above 60, pH below 5 and oxygen. Especially, the carotenoid pigment was very sensitive to light and oxygen. Carotenoid stability was much improved with increasing nitrogen concentration in the atmosphere. Persimmon pigments have been found to be most stable at 5~10. And tocopherol was the most effective inhibitor of the pigment discoloration.
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姜熙相,鄭榮穆,宋昊埈,辛民敎 한국전통의학연구소 1998 한국전통의학지 Vol.8 No.2
For the purpose of developing Korean Herbalogy with the plants of Caryophllaceae which grow wild and is planted in Korea, the these and writings on herbalogy, from literature of successive generation, have been thoroughly investigative and the results obtained were as follows: 1. There were totaled to 20 genera and 124 species in Korea and among them midical plants are 11 genera, 30 species, some 24% in total. 2. According to the oriental names which can be used for medical purpose, the medical plantss belonging to the Caryphllaceae family were classified as Herba 11, Radix 7, Foilum 2, Semen, Flos, Rhlzoma 1 each. 3. According to sum of 124 species in Caryophllaceae family, they were classified into Cerastium genera 18, Dianthus gemera 16, Pseudos tellaria genera, Lychnis genera, Stellaria genera 12 each, Melandry um genera 11, Silene genera 10, Minuaria genera 8, Gypsophila genera, Sagina genera 5 each, Arenaria genera, Cucubalus genera 3 each, Spergual genera, Vaccaria genera 2 each, Agorostema genera, Amnodenia genara, Moehringia genera, Myosoton genera, Honkenya genera 1 each. Thus it was noticed that Cerastium genera was main kind. 4. According to the number of species of the orgin plants about each chinese materia medicals, they were classified into HERBA DIANTHI 4, RADIX PSEUDOSTELLARIAE 3, SEMEN VACCARIAE 5, RADIX GYPSOPHILAE 4. 5. According to the properties and principal curative action, they were classfied into drugs for treating febrifugal and removing heat from blood, Diuretocs 6 each, Drugs for treating febrifugal and detoxicant 2, Drugs for invigorating blood, circuration and eliminating blood stasis 3, tonics 1, easing joint movement 1, stimulation of lactation 44. 6. According to nature and flavour of medical plants, they were classified into warmth, heat; each 3, cold, cool; 11 each, balance 3 and unidentifird 2. Thus it was noticed that cold and cool is the main in nature and flavour of medical plants. 7. Toxic drugs were none. From this results, It was revealed that the plants for medical purpose in Caryophllaceae was 24% of the whole, in which Herba was mostly abundunt. It is considered that may expriements and clinical approches must be continued to use Caryophllaceae plants widely.
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流通經路上의 葛藤에 影響을 미치는 要因에 관한 연구 : focused on Power and Relational Norms 힘과 關係的 規範을 중심으로
姜明德,朴琮熙 울산대학교 1996 경영학연구논문집 Vol.3 No.1
본 연구에서는 유통경로시스템상의 제조업자와 유통업자간에 발생하는 갈등관리의 중요성이 높아짐에 따라 더 많은 실증적인 연구가 요구된다는 취지에서 유통경로상의 갈등에 영향을 미치는 요인에 대한 연구를 힘과 관계적 규범을 중심으로 살펴 보았다. 즉 관계적 규범이 힘-갈등관계에 어떤 영향을 미치는지 실증적으로 검토해 본 것이다. 이들 관계를 규명하기 위해 가전산업의 대리점을 대상으로 자료를 수집하고, 이를 회귀분석을 통해 분석하였다. 분석결과는 대체로 관계적 규범의 수준에 따라 힘의 원천이 지각된 힘에 미치는 영향과 힘의 원천, 지각된 힘이 갈등에 미치는 영향에 차이가 있는 것으로 나타났다. 이는 경로상의 갈등관리에 관계적 규범에 대한 고려가 요구됨을 의미한다. This study investigate whether relational norms significantly influence the relationships of power and conflict. The data used for empirical test were collected from survey questionnaires of franchisees in the electronic appliances industry. The analysis was conducted with the multiple regression method. The results of the analysis support that the relational norms mediate the relationships among power sources, perceived power, and conflict.
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강관희,이종영,박일호 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.3
The purpose of the present study Was to clarify some features of swimmer locomotion at different positions during water-polo games, A selected player was simultaneously pursued with two sighting devices which attached a potentiometer, respectively, Induced electric-signal from the two potentiometer was taken into a computer programmed on triangulation equation, The travel trajectories, calculated by means of a computer program was obtained a series of position on coordinates, Therefore, the covered distance and swimming velocity of a target player were calculated too, The subjects were selected from forward player (left-handed), floater-defense player and floater player as specific position player in a team, All these subjects have been competitive career for 10 years in water-polo, It was found that the travel trajectories in a game were depicted different swimming pattern at specific position a play and that the range of covered area depended on a role of position in a team all through the game, The total of covered distance was similar to those of previous reports, The present study have been mainly focused on a changes of swimming velocities every one quarter by a game, Maximum frequencies of "high speed swimming" was 19 times in one quarter (i.e. 2.7times per minute), as we defined "high speed swimming" that is over 1.0㎧. However, when frequencies of the "high speed swimming" were analyzed within every one quarter, left-handed forward player extremely decreased the frequency between the first and the second haft in quarters, others not do so.
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