http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
위상차 모션을 이용한 협소공간 주행 강아지풀 로봇 메커니즘 개발
이동림(Dong Lim Lee),제갈민수(Min Su JeGal),양현석(Hyun Seok Yang) 대한기계학회 2018 大韓機械學會論文集B Vol.42 No.12
강아지풀은 손으로 잡고 누르면 이삭의 털이 기울어진 방향을 따라 미끄러지면서 이동하는 특성이 있다. 이러한 강아지풀 메커니즘을 적용하면 작은 크기와 간단한 구조로 다양한 협소공간에서 주행이 가능한 로봇을 만들 수 있다. 기존에 연구된 강아지풀 메커니즘을 이용한 로봇의 제한사항을 보완하기 위해 새로운 형식의 강아지풀 메커니즘을 고안했다. 위상차 모션을 적용함으로써 하나의 모터를 사용하여 직진 및 방향전환이 가능한 로봇을 설계하였다. 프로토타입 로봇을 제작하여 실험을 통해 협소공간 및 평지에서 직진 및 방향전환이 가능하며, 수평 및 수직 관내주행이 가능함을 확인하였다. 털의 조건과 리니어 모터의 진동수가 주행 성능에 미치는 영향을 시뮬레이션을 통해 분석하여 로봇의 주행성능 향상을 위한 연구를 하였다. The foxtail has a characteristic that when it is pushed by the hand, it slides and moves along the direction of the bristle. Applying the foxtail mechanism makes it possible to make robots that can move in various narrow spaces with small and simple structure. A new type of mechanism is devised to compensate the limitations of the robot using the foxtail mechanism studied in the past. By using phase difference motion, we designed a robot that can move forward and change directions while using one motor. Experiments using a prototype robot showed that it is possible to move forward and rotation in the narrow space and flat surface, and to move horizontal and vertical pipelines. The effect of the condition of the bristle and the frequency of the motor on the moving of the robot was analyzed through simulation to study the improvement of the moving performance.
腹腔內脫腸(Internal Hernia)으로 因한 腸閉塞症 2例 : A Report of Two Cases and Review of literature
李東林 최신의학사 1967 最新醫學 Vol.10 No.10
There were 2 cases of intestinal obstruction due to unusual internal hernia who were admitted to the Paik Foundation Hospital for one year period from Oct. 1965 to Ian. 1966. One of the 2 cases was due to transomental hernia and the other was due to transmesocolic one. Both were successfully operated, and able to discharge without any complication.
화상가토에 있어서 L-Leucine-U-^(14)C의 제 장기 단백내의 결합태도
김영제,이동림 최신의학사 1969 最新醫學 Vol.12 No.10
Since the Cuthbertson's report that traumatic injuries cause a marked increase of non-protein nitrogen in urine, it has been generally believed that the traumatic injuries enhance the catabolism of the body, especially of the skeletal muscle, and the increased catabolism is caused by the reaction of the adrenal cortex to the trauma. However, it has also been reported by many investigators that injuries stimulate and increase the anabolism as well as catabolism. Except Whipple et al.'s report the articles concerning the study of protein Metabolism following injuries refered to each individual organ ef. liver or pancreas, etc. The authors intented to compare the incorporation rate of L-leucine-U-14C per gram of protein of metabolically important organs in or between a normal and a burned rabbit. Materials and methods: L-leucine-U-t4C.(20 uCi/kg of body weight) was injected intravenously into two groups of male rabbits, 4 done group consisting of normal 20 rabbits and the other group 20 burned ones. Both these groups were sacrificed 48 hours after L-leucine-U-14C injection and the organs examined included the parotid gland, z sublingual gland, pancreas, stomach, duodenum, small intestine, colon, liver, kidney, and spleen. The amount of tissue protein was determined by Lowry's method and the radioactivity of tissue protein was measured by 2nc gas flow proportional counter. The results were as follows: 1) The high incorporation rate of L-leucine-U-F4C per gram of protein was confirmed in the duodenum, salivary glands, small intestine, pancreas and the parotid gland in order of decreasing grade. 2) In burned rabbits, the pancreas and the spleen showed the largest increased incorporation rate, and on the contrary, the parotid gland showed the highest decreased incorporation rate and the kidney showed no changes at all compared with normal rabbits