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신경망 알고리듬을 기반으로 한 지능형 VRP 시스템의 구현
전용덕 동양대학교 산업기술연구소 2001 東洋大學校 産業技術硏究所 論文集 Vol.3 No.1
In this paper, we implemented the intelligent VRP(Vehicle Routing Planning) system using Neural Network and Expert system. The intelligent VRP system is a kernel of the logistics system. In the intelligent VRP system, we obtain a good solution reflecting the knowledge of the expert and improve the solution for self-study of Neural Network. This system contribute to the active development the logistics system, Supply Chain Management system according to the increasing demand of efficient logistics in change of the enterprise environment.
윤한덕,류진호,박주경,허탁,조석주,김성근,민용일 大韓應急醫學會 1997 대한응급의학회지 Vol.8 No.1
We analyzed records at Chonnam university hospital from Sep. 1. 1993 to Aug. 31. 1996 to assess clinical significance of the foreign body in the gastrointestinal tract. There were 133 episodes consisting of 79 pediatric and 54 adult patients as possible to review. In the pediatric patients, the coin was the most common cause of foreign body ingestion, while adult patients were usually caused by bones and meat. We removed foreign bodies in the oral cavity and oropharynx in 12 cases using direct laryngopharyngoscpy and forcep. Endoscopy was performed successfully in 47 of 51 patients in which was attempted; there were two complications composed of an aspiration pneumonia and a mediastinitis due to esophageal perforation. There were spontaneous passage of foreign bodies in 48 cases. We observed complications in 6 cases in which 4 cases needed operations due to complications. Foreign bodies which pass into the stomach can be observed for development of complications, as 94% of foreign bodies which reach the stomach spontaneously pass. Only 4 patients required interventions, which was done without mortality.
최용어,박덕배 韓國體育大學校 1998 論文集 Vol.21 No.-
This study rearches how graded maximal exercise has an effect on the university handball atheletes group and the general individuals group before exercise, after exercise and in the recovering two hours through cellic immunoreaction. Graded maximal excercise has been done by means of treadmill, applying Bruce protocol which was practised by male university students to see what difference there is between the athelete group and general individual group. The following is the results of comparing and analyzing the immunoreaction of the drawn blood before exercise, after exercise and in recovering two hours. 1. When graded maximal exercise is done, total white blood cells increase more after exercise for both the athlete group and the general individual group. And they are inclined to increase continously in the recovering two hours. Statistically there is no meaningful difference between them. 2. When graded maximal exercise is done, neutrophils increase more after exercise than before exercise for both the athlete group and the individual group. And they are inclined to increase continously in the recovering two hours. Statistically there is no meaningful difference between them. 3. When graded maximal exercise is done, lymphocytes increase more after exercise for both the athletes group and the general individuals group. For the athletes group, lymphocytes increase continously in the recovering two hours. But for the general individuals group, lymphocytes are inclined to come to stability as usual. Statistically there is no meaning difference between them. 4. When graded maximal exercise is done, monocytes increase more after exercise than before exercise. And they continue to increase in the recovering two hours for the athletes group. Monocytes decrease after exercise, but they are inclined to increase in the recovering two hours. Statistically there is no meaningful difference between them. 5. When graded maximal exercise is done, natural killer cells increase more after exercise than before exercise. And they continue increasing in the recovering two hours for both the athletes group and the general individuals group. Statistically there is no meaningful difference between them. All the above results being considered, the graded maximal exercise make immune cells change a lot. It is suggested that especially lymphcytes and natural killer cells can be a factor which enforces human body immunity function.
이용덕 대구보건전문대학교 2006 대구보건대학 論文集 Vol.26 No.-
This study examined the running patterns of deep fascia around muscles in a human cadaver. After the skin and superficial fascia were removed, the holistic fascia arrangement was investigated with the naked eye. In order to make an observation, the interconnection of fasciae on both sides and muscles were lifted. To make an estimation of running direction and tension of the subject fasciae of each body part, epimysium along with muscle fibers of the subject muscles were held and lifted with tweezers. The running direction and tension correlation of the deep fascial fibers were observed parallel to the muscle fibers of the subject muscles. In the back, four rhomboid shape fascial profiles were observed around the vertebral column. The rhomboid profiles are composed of a fascia of trapezius, a fascia of latissimus dorsi, a fascia of Michaelis rhombod, and an innominated rhomboid, which were located between a fascia of trapezius and a fascia of latissimus dorsi. Upon observation of the connection of fascial fibers, they appeared with a thin and loose formation between muscles, appeared with a thin and dense formation between a muscle and soft tissue around the bone, and appeared with a thick and loose formation between muscle groups.
한덕수,정순용 한국공업화학회 2003 공업화학 Vol.14 No.3
실리카, brucite, LiF 및 tetraethylammonium chloride (TEACI) 등을 이용하여 수열조건에서 헥토라이트, Li-헥토라이트와 TEA-헥토라이트를 합성하고, 여기에 아민계 화합물을 층간 삽입시켜 유기 층상 헥토라이트룰 제조하였다. 생성물들은 XRD, SEM, FT-IR 등을 이용하여 분석하고, 합성 및 층간삽입 조건을 조사하였다. 이 결과 헥토라이트는 100℃ 수열조건에서 48 h 동안 합성하면 결정이 잘 발달된 헥토라이트를 얻을 수 있었다 합성된 헥토라이트를 나노 복합재용 층상화합물로 사용 가능성에 대해서 조사하기 위해서 친수성인 헥토라이트를 친유성으로 전환하였다. 이를 위해서 층간에 알킬기의 길이가 각각 다른 알킬아민을 충간 삽입하였다. Li-헥토라이트에 dodecylamine 및 octadecylamine을 층간 삽입시킨 결과 (001)면의 d-spacing값이 24.08 Å 및 38.75 Å으로 증가함을 볼 수 있었다. 또한, 헥토라이트에 dodecylamine 및 octadecylamine을 충간 삽입시킨 결과 (001)면의 d-spacing값이 27.69 Å 및 37.12 Å 으로 증가함을 볼 수 있었다. 이러한 d-spacing 값의 증가로 보아 합성 헥토라이트의 유기화 처리로 인하여 층상간격이 넓어졌으며, 알킬체인의 길이에 따라 층간 간격이 변함을 알 수 있었다. 층간 간격이 넓을수록 고분자가 층 간에 보다 쉽게 삽입될 수 있으며, 고분자 매트릭스 안에서 충상화합물의 분산 및 박리가 용이해진다. 위의 결과로부터 합성된 유기 층상 헥토라이트는 나노복합재용으로 사용가능성을 제시하고 있다. The hydrothermal syntheses of hectorite, Li-hectorite, and TEA-hectorite were carried out using precipitated silica, brucite, LiF and tetraethylammonium chloride (TEACI). Organo-hectorites were synthesized by intercalation of amine compounds into the interlayers of hectorite, Li-hectorite, and TEA-hectorite. The conditions of crystallization were investigated with XRD, SEM, and FT-IR. Hectorite, Li-hectorite, and TEA-hectorite were synthesized by 48 h crystallization at 100℃. The basal spacing of organo Li-hectorite increased to 24.08Å and 38.75 Å with intercalation of dodecylamine and octadecylamine, respectively. In order to investigate the possibility of using as an inorgnic filler of polymeric nanocomposite, hydrophilic hectorites were converted to hydrophobic (organo) hectorites by intercalation of alkylamine. The basal spacing of organo Li-hectorite also increased to 24.08 Å and 38.75 Å with intercalation of dodecylamine and octadecylamine, respectively. Also, the basal spacing of organo hectorite increased to 27.69 Å and 37.12 Å with intercalation of dodecylamine and octadecylamine, respectively. The results showed that the basal spacing of organo-hectorite increased by intercalation of alkylamine, and the size of basal spacing is deeply related to the chain length of alkylamine. As basal spacing of layered silicate increased, the layered silicate dispersed easily and exfoliated in the polymeric matrix. The large expansion of interlayer distance well illustrated the possible application of organo-hectorites as an inorganic filler of polymeric nanocomposite.