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박경규,박형근,김연수,이문성,김진오,조영덕,이영홍,봉형근,조주영,이준성,심찬섭,황성규,함정식,장재영,권귀향 대한내과학회 1997 대한내과학회지 Vol.53 No.2
Duodenal obstruction is the third leading cause of intrinsic obstruction of the alimentary tract in the newborn, the other causes are imperforate anus and esophageal atresia. If the obstruction is incomplete, as with a fenestrated duodenal membrane, the presentation of the symptoms may be delayed and the diagnosis overlooked. And so they are rarely diagnosed in the adult. Diagnosis can be made by contrast duodenography but is more definitive with endoscopy. This is the first case report of a 21-year-old female with duodenal membrane, associated with incomplete rotation of intestine and uterus bicornis, diagnosed by hypotonic duodenography and endoscopy, preoperatively, and successfully treated with duodenoduodenostomy.
인영민,정석근,함준상 한국유가공기술과학회 1998 한국유가공기술과학회지 Vol.16 No.1
Introduction of HACCP system on dairy farm is basically applicable to management of animal health and milking hygiene according to raising step, and has practical use of the systematic quality assurance technique for preventing residue and contamination of pathogenic organ in milk. For the successful introduction and implementation, lots of tasks to be settled are present such as establishment of the HACCP operation system proper to our circumstances and education of dairy farmers, etc. The most important prerequisite for the introduction of HACCP system on dairy farm is to construct the foundation of dairy industry for getting confidence of comsumer.
초음파법을 이용한 탄소성 파괴인성치 평가에 있어서 시험편 크기의 영향
강동명,함경춘,우창기 한국산업안전학회 1998 한국안전학회지 Vol.13 No.4
Elastic-plastic fracture toughness(J_(IC)) by ultrasonic method is evaluated in terms of width and thickness. Widths of specimen in 6061-T6 aluminum alloy are 50㎜ and 100㎜, thicknesses of those are 20㎜ and 25㎜, respectively. Elastic-plastic fracture toughness by ultrasonic method is independent of specimen thickness and side groove. Angle beam probe which are placed on the end of the compact specimen detect the maximum crack extension effectively. Comparing with elastic-plastic fracture toughness by ultrasonic method and that of unloading compliance method, J_(IC) of ultrasonic method are underestimated to that of unloading compliance method. Elastic-plastic fracture toughness of width 100㎜ specimen are underestimated to that of width 50㎜ specimen about 20%.
Lee, Min-Soo,Ham, Byung Joo,Kee, Baik Seok,Kim, Jung‐,Bum,Yeon, Byeong Kil,Oh, Kang‐,Seob,Oh, Byoung Hoon,Lee, Chul,Jung, Han Yong,Chee, Ik‐,Seung,Choe, Byeong Moo,Paik, In Ho Informa UK (Librapharm) 2005 Current medical research and opinion Vol.21 No.9
<P>OBJECT: To compare efficacy and safety of milnacipran and fluoxetine in a population of Korean patients with major depression. RESEARCH DESIGN AND METHODS: The design was a multi-centre, randomised, comparative clinical study. Patients with major depression (DSM-IV diagnostic criteria) scoring over 17 points on the 17-item Hamilton Depression Scale (HAM-D) and over 21 points on the Montgomery-Asberg Depression Rating Scale (MADRS) were recruited and randomised to receive milnacipran (50 mg/day increasing after 1 week to 100 mg/day) or fluoxetine (20 mg/day) for 6 weeks. All previous medication was stopped at least 7 days before entry into the study. Patients were evaluated (HAM-D, MADRS and clinical global impression scale, CGI) at baseline and after 1, 2, 4 and 6 weeks of treatment. All adverse events which developed during the study period were recorded. RESULTS: 70 patients (milnacipran 39; fluoxetine 31) were included in the study. Total score on both HAM-D, MADRS and CGI decreased significantly in both groups after 1 week and continued to decrease throughout the study. There was no significant difference between the two groups for any measurement at any time point. Both antidepressants were well tolerated. In the milnacipran group, 13 patients reported 28 adverse reactions, and in the fluoxetine group 11 patients reported 18 adverse reactions. Two patients discontinued due to adverse events in the milnacipran group and three in the fluoxetine group. There were no clinically significant modifications in vital signs, routine blood laboratory tests, biochemistry or ECG throughout the study. Nausea and headache were the most frequently reported adverse events with milnacipran while digestive disturbances, diarrhoea and insomnia were more common with fluoxetine. CONCLUSION: Milnacipran, like fluoxetine, was found to be effective and well tolerated for the treatment of major depression in this population of depressed Korean patients. Principal limitations of the study were its open design, its small sample size and its relatively short duration.</P>
Lee, H.J.,Jung, H.,Choe, W.,Ham, J.S.,Lee, J.H.,Jo, C. Academic Press 2011 Food microbiology Vol.28 No.8
An apparatus for generating atmospheric pressure plasma (APP) jet was used to investigate the inactivation of Listeria monocytogenes on the surface of agar plates and slices of cooked chicken breast and ham. He, N<SUB>2</SUB> (both 7 L/min), and mixtures of each with O<SUB>2</SUB> (0.07 L/min) were used to produce the plasma jets. After treatment for 2 min with APP jets of He, He + O<SUB>2</SUB>, N<SUB>2</SUB>, or N<SUB>2</SUB> + O<SUB>2</SUB>, the numbers of L. monocytogenes on agar plates were reduced by 0.87, 4.19, 4.26, and 7.59 log units, respectively. Similar treatments reduced the L. monocytogenes inoculated onto sliced chicken breast and ham by 1.37 to 4.73 and 1.94 to 6.52 log units, respectively, according to the input gas used with the N<SUB>2</SUB> + O<SUB>2</SUB> mixture being the most effective. Most APP jets reduced the numbers of aerobic bacteria on the meat surfaces to <10<SUP>2</SUP> CFU/g, and the numbers remained below that level of detection after storage at 10 <SUP>o</SUP>C for 7 days. The results indicate that APP jets are effective for the inactivation of L. monocytogenes on sliced meats and for prolonging the shelf-life of such foods.
Control Algorithm for Stabilization of Tilt Angle of Unmanned Electric Bicycle
Han, Sangchul,Han, Jongkil,Ham, Woonchul Institute of Control 2001 Transaction on control, automation and systems eng Vol.3 No.3
In this papers, we derive a simple kinematic and dynamic formulation of an unmanned electric bicycle. We also check the controllability of the stabilization problem of bicycle. We propose a new control algorithm for the self stabilization of unmanned bicycle with bounded wheel speed and steering angle by using nonlinear control based on the sliding patch and stuck phenomena which was introduced by W. Ham. We also propose a sort of optimal control strategy for steering angle and driving wheel speed that make the length of bicycle\`s path be the shortest. From the computer simulation results, we prove the validity of the proposed control algorithm.
한국의 노인우울증 환자에서 조발성 우울증과 만발성 우울증의 임상증상의 비교
박기홍,이화영,함병주,이민수,Park, Ki-Hong,Lee, Hwa-Young,Ham, Byung-Joo,Lee, Min-Soo 대한생물정신의학회 2010 생물정신의학 Vol.17 No.3
Objectives : Clinical differences between elderly patients with early and late onset depression have been described although these have been inconsistent. We aimed to compare differences of clinical symptoms using the 17 items Hamilton Rating Scale for Depression(HAM-D-17) between two groups. Methods : Data of 175 elderly patients with a diagnosis of major depressive disorder according to DSM-IV from January 2005 to November 2009 were collected. Seventy five patients were early onset depression and one hundred patients were late onset depression. Depressive symptoms were assessed by the 17-item Hamilton Rating Scale for depression. Results : There were some differences in HAM-D-17 scores between early and late onset depression. Early onset depression patients scored significantly higher in retardation(t = 2.41, p = 0.017) and somatic symptoms( general)(t = 2.37, p = 0.019) than late onset depression patients. Conclusion : We concluded that early onset depression patients have more severe psychomotor retardation and general somatic symptoms than late onset depression patients in Korea. Because of some limitations of this study, further investigations will be needed to validate this study results.