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강원도 원주지역 초·중·고등학생의 식습관 및 섭식행동에 관한 단면연구
허혜경,박소미,김기연,김춘배,안정숙,송희영,김기경 韓國保健敎育.健康增進學會 2003 보건교육건강증진학회지 Vol.20 No.1
Purpose : The purpose of this study was to investigate the dietary habits of students in order to identify risk groups according to their Body Mass Index (BMI), and to compare the eating behavior of students in the normal range (19<I≤24) and those in risk groups (BMI≤19, 24<I≤27, BMI>). Method : 1176 elementary school students, 850 middle school students and 672 high school City, were the participants The instrument for this study was a structured questionnaire that included demographic data as well as dietary habits, and the eating behavior instrument developed by Stunkard &essick(1985) and revised by Kim &im (1997). Result : 1) As students moved up in grade level their dietary habits became more irregular and the degree that students chewed food was reduced 2) As students moved up in grade level, a greater number of the students did not eat breakfast. The reasons given were that there were not enough time before classes started(40.4%) and a lack of appetite in the morning(10.6%) in high school students. 3) As for supper, from 67.8 to 81.9% of subjects reported having regular supper. However the rest of the subjects did not eat supper because of anorexia and fear of weight gain. 4) The results identified risk groups according to their BMI showed that for elementary school students, 55.9% were in the low weight group, 5.5% in the overweight group, and 0.9% in the obese group. For middle and high school students, 40.6% and 35.5% respectively were in the low weight group, 7.4% and 6.3% in the overweight group, and 4.1% and 2.5% the obese group. 5) Comparisons of the eating behavior of students in the normal weight group with that of those in the three risk groups showed that there were significant differences in 'hunger' and 'cognitive restraint of eating' in elementary school students, and significant differences in 'cognitive restraint of eating' in middle and high school students. Conclusion : The results of this study show that management of diet in school health sholud be addressed from both the aspect of lack of nutrition and that of excess nutrition. In other words, good diet is as important for students in the low weight group as it is f3r those in the overweight and obese groups. The estatblishment of good dietary habits and eating behavior in students, by nurses and dieticians should be done by providing repeated diet education and involvement in diet counseling.
분산 객체 컴퓨팅 환경에서 객체 그룹 구현에 관한 연구
김길준,이주석,송기범,김충원,이준 조선대학교 전자정보통신연구소 2002 電子情報通信硏究所論文誌 Vol.5 No.1
CORBA, which is a standard base of distributed object in distributed computing environment, suggests the method for clearly creating the demand for object defined on OMG and receiving it. Although CORBA appeared as the standard of distributed object and has played an important role in operating distributed object between different computer systems, distributed object computing has such fundamental problem as great demand by many clients an3 Server and the overload of network. CORBA is middle-ware technology to develop one distributed application program by connecting separately-developed distributed object in various platforms which are connected in, open communication network. With expansion of distributed application software scale and complex interface between distributed objects, this study defines object as group in the concept of aggregate in order to control efficiently and to be controlled as group by grouping multi-arranged object and suggests group object model in the side of controller for efficient control of distributed object.
宋省薰,金基燮 弘益大學校 科學基術硏究所 1999 科學技術硏究論文集 Vol.10 No.2
During times of traffic congestion, the traffic network in a transient, time-dynamic state resembles a dynamic network. In addition, in the context of Intelligent Transportation Systems(ITS), the network can accurately detect such transient behavior using traffic sensors, and several other information gathering devices. In the time-varying traffic situation, the rapid calculation of user-optimal, system optimal and multiple optimal routes is necessary. In this research, several existing shortest path algorithms were reviewed. And we suggest a systematic procedure to find a dynamic shortest path using k-shortest path algorithm and genetic algorithm. The suggested procedure can be also applied to calculate user-optimal path for vehicle scheduling and dispatching problems.
제지폐수처리용 생물고분자응집제를 생산하는 Bacillus sp. K-111의 배양특성조사
권기석,손용호,최선택,정석관,송숙희,김동걸 7개 국립대학교 환경연구 논문집 공동발행 위원회 2002 환경연구논문집 Vol.2 No.1
Flocculant-producing microorganisms were screened from obtained strains in the laboratory using a pulp-wastewater treatment as the flocculating agent. K-111 strain that had high flocculating activity among them was selected and identified as Bacillus sp. K-111 16s rDNA sequencing. The favorable medium for the production of flocculant was glucose 1.5%, NH_4NO_3 0.2%, tryptone 0.01%, K_2HPO_4 0.08%, KH_2PO_4 0.06%, CaCO_3 0.03%, MgSO_4·7H_2O 0.005%, MnSO_4 0.005% in 1 liter of D.W. at initial pH 7.0. The optimum culture temperature and pH were 30℃ and pH 7.0, respectively. the flocculating activity was observed most highly after 36 to 48 hr of cultivation at the optimum conditions. the flocculating activity of produced biopolymer on optimum conditions was about 2.5-fold higher than that of screening medium.
Kim, Sung-Won,Lee, Jung-Sook,Park, Seung-Gyu,Kang, Han-Ju,Kim, Yong-Soo,Yoon, Young-Dae,Yang, Hoe-Song,Lee, Han-Gi,Kim, Sang-Soo International Academy of Physical Therapy Research 2010 Journal of International Academy of Physical Ther Vol.1 No.1
This study was performed to investigate the effects of Needle Electrode Electrical Stimulation(NEES) on ischemia-induced cerebrovascular accidents. After obstruction and reperfusion of arteries in white mice, the amounts of necrosis and inflammation related substances Bax, IL-6, Caspase-3, and COX-2 were measured in neurons of the fore-brain. The following results were obtained. This study used 21 male specific pathogen free(SPF) SD rats, 8 weeks of age and approximately 300g in weight. Each exposed artery was completely occluded with non-absorbent suture thread and kept in that state for 5 minutes. The sutures were then removed to allow reperfusion of blood. Test group is control group(common carotid artery occlusion models), a GI(underwent common carotid artery occlusion), and NEES(underwent NEES after artery occlusion). The GI and NEES groups were given 12, 24, or 48 hours of reperfusion before NEES. NEES device(PG6, ITO, Japan, 9V, current, 2Hz) was used to stimulate the bilateral acupoint ST36 of the SD rats for 30 minutes while they were sedated with 3% isoflurane. An immuno-histochemistry test was done on the forebrains of the GI induced rats. Both Bax and Caspase-3 immuno-reactive cells, related to apoptosis, were greater in the GI than the NEES group. Cox-2 and IL-6 immuno-reactive cells, related to inflammation, were greater in the GI and NEES groups than the control group. We can expect that applying NEES after ischemic CVA is effective for preventing brain cells from being destroyed. And we can conclude NEES should be applyed on early stage of ischemic CVA.
Sung Won Kim,Jung Sook Lee,Seung Gyu Park,Han Ju Kang,Yong Soo Kim,Young Dae Yoon,Hoe Song Yang,Han Gi Lee,Sang Soo Kim 국제물리치료학회 2010 Journal of International Academy of Physical Ther Vol.1 No.1
This study was performed to investigate the effects of Needle Electrode Electrical Stimulation(NEES) on ischemia-induced cere˗ brovascular accidents. After obstruction and reperfusion of arteries in white mice, the amounts of necrosis and inflammation related sub˗ stances Bax, IL-6, Caspase-3, and COX-2 were measured in neurons of the fore-brain. The following results were obtained. This study used 21 male specific pathogen free(SPF) SD rats, 8 weeks of age and approximately 300g in weight. Each exposed artery was completely occluded with non-absorbent suture thread and kept in that state for 5 minutes. The sutures were then removed to allow reperfusion of blood. Test group is control group(common carotid artery occlusion models), a GI(underwent common carotid artery occlusion), and NEES(underwent NEES after artery occlusion). The GI and NEES groups were given 12, 24, or 48 hours of reperfusion before NEES. NEES device(PG6, ITO, Japan, 9V, current, 2Hz) was used to stimulate the bilateral acupoint ST36 of the SD rats for 30 minutes while they were sedated with 3% isoflurane. An immuno-his˗ tochemistry test was done on the forebrains of the GI induced rats. Both Bax and Caspase-3 immuno-reactive cells, related to apoptosis, were greater in the GI than the NEES group. Cox-2 and IL-6 immuno-reactive cells, related to inflammation, were greater in the GI and NEES groups than the control group. We can expect that applying NEES after ischemic CVA is effective for preventing brain cells from being destroyed. And we can conclude NEES should be applyed on early stage of ischemic CVA.