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김미르(Mi-reu Kim),김광준(Kwang-joon Kim),이강인(Kang-in Lee) 한국소음진동공학회 2016 한국소음진동공학회 학술대회논문집 Vol.2016 No.4
Nowadays, with the demand for ride quality, the vibration characteristics of vehicle is a high priority in car design. The vibration characteristics of full vehicle is related to ride property and affected by each vehicle components property, i.e. stiffness or damping of suspension, power train, car body and its mounts. In this paper, to get operating deflection shape of full vehicle, the analytical vehicle model based on multi-body dynamics was used. For the purpose, the whole vehicle parameters used in multi-body dynamics analysis were measured from experimental results. From computational method, the operating deflection shape of full vehicle to random base excitation were analyzed.
타이어바닥부가진 모드시험 기반 전차량 10-자유도 집중매개변수 모형화
김미르(Mi-reu Kim),김광준(Kwang-joon Kim),이강인(Kang-in Lee),배병국(Byungkook Bae) 한국소음진동공학회 2017 한국소음진동공학회 논문집 Vol.27 No.6
More efficient tuning for ride comfort requires better predictability of vibrations of a full car under driving conditions. The ride comfort in passing over bumps is often affected by low frequency vibrations of several sub-systems such as engine/transmission, body, and knuckles connected by vibration elements such as mounts, shock absorbers and tires. Hydraulic base excitation is a powerful technique by which excitations on a full car can be performed indoor either for vibration characterization or performance evaluation. In this paper, a 10-degree of freedom lumped parameter model for a full car is constructed for simulation studies based on the vibration characteristics obtained from the base excitations. Some problems and findings in such dynamic modeling based on base excitations are presented.
국내 절화 장미의 색채 조사·분석을 통한 색채 팔레트 구성
김유선(Kim Yoo Sun),견민아(Gyeon mina),이영진(Lee Young Jin),이푸르미(Lee Pu Reu Mi) 한국색채학회 2011 한국색채학회 논문집 Vol.25 No.3
소비자의 기호에 맞는 품종 개발을 위해 필요한 요소 중 꽃의 대표적 미의 상징인 화색을 분석하여 색채 팔레트를 구성하고 이를 이용할 수 있도록 국내 장미색채를 조사ㆍ분석한 결과 다음과 같았다. 국내 절화장미를 대상으로 2010년 4월부터 2011년 3월까지 12개월 동안 서울 고속버스터미널 3층에 위치한 화훼시장에서 1달에 1회 총 12회 방문하여 그 시기에 나온 모든 장미를 수집하였고 수집된 120개의 품종을 먼셀 10색상을 이용하여 육안분류 후 분류된 장미를 다시 RHS (Royal Horticulture Society) color chart를 이용하여 육안분류하였다. 그 후 분류된 장미를 색측기(X-rite Eye-One Xtreme iO bundle)로 측색 후 그 값으로 색채칩을 만들었다. 만들어진 색채칩을 다시 먼셀 10색상으로 분류하여 색채 팔레트지 구성하였는데 전체 절화장미의 색채에서는 Red Purple이 36.8%로 가장 높은 비율을 차지하였고 Green Yellow와 White가 4.2%로 가장 낮은 비율을 차지하였으며 Green, Blue Green, Blue, Purple Blue 색채는 존재하지 않았다. 각 절화 장미의 꽃잎 색채에서는 Red Purple이 25.5%로 가장 많은 분포를 보였고 큰 차이 없이 Yellow가 24.9%로 두 번째로 많은 분포를 보였다. Purple이 4.8%로 가장 낮은 분포를 보였다. 위와 같은 분석을 통해 210개의 색채가 들어있는 팔레트를 구성하였으며 이는 절화 장미 품종개발 뿐만 아니라 더 넓은 분야에서 이용될 수 있을 것이라 기대된다. 또한 활발한 색채 팔레트의 이용과 활용을 위해서는 계속적인 팔레트 구성과 분석이 이루어져야 할 것이라 생각된다. This paper aims to compose and use the color palette that was analyzed floral color to develop diversity of plans for customer’s choice. The result of research and analysis of cut-flower roses in domestic flower markets is following. 120 kinds of inland cut-flower roses were collected in flower market on third floor of Seoul Express Bus Terminal during 12 months, from April, 2010 to March, 2011. After it, This study was classified under Muncell’s 10 hue. And it was sorted again using by RHS(Royal Horticulture Society) color chart. Thereafter, color chips that measured by a color measuring instrument called X-rite Eye-One Xtreme iO bundle had made. Color chips what had made were sorted again with Muncell’s 10 hue and composed a color palette of cut-flower roses. The highest ratio in all kinds of color of roses is Red Purple (36.8%). And the lowest proportion are Green Yellow and white which is 4.2%. In case of Green, Blue Green, Blue, Purple Blue were nonexistent there. On the other hands, The highest dispersion in each leaf color of cut-flower roses is Red Purple (25.5%) and Yellow is next. it has 24.9%. But Purple is 4.8%. It means that it has the lowest. Due to the study as above, the palette that had made by 210 kinds of color of cut-flower roses in domestic were composed to improve varieties of cut-flower rose. In addition, The purpose of this thesis is to use it in many ways. At the conclusion, this analysis and composing the color palette of cut-flower roses in domestic market will be kept for the active utilization of color palette.
정상인에서 전기 및 자기 자극을 이용한 설 근육의 전기생리학적 평가
조은미,류종현,안성환,조경원,임건한,김진호,김후원 朝鮮大學校 附設 醫學硏究所 2006 The Medical Journal of Chosun University Vol.31 No.1
Background: Abnormality of lingual muscles is clinically common. But its exact clinical assessment is quite difficult. Evaluation of motor power of the lingual muscles and their neural pathway is limited because of anatomical inaccessibility and individual variation of subjective symptoms. Transcranial magnetic stimulation (TMS) of the human motor cortex is a non-invasive tool to assess the functional integrity of the fast conducting central motor pathways and electrical stimulation of lingual nerve is a conventional method of peripheral nerve conduction. Therefore both study will be helpful to understanding of pathophysiology of lingual abnormality. Until now there is no such report in Korea. This study was conducted to acquire the easier method and normal control values of Korean subjects. Method: We recorded the motor responses from the lingual muscles of 32 healthy subjects (22 men, 10 women) by focal cortical TMS with a circular coil. Motor potentials were recorded by means of surface electrodes applied on the both side of the tongue, following TMS several centimeters lateral from the vertex and parietooccipital cortex and peripheral electrical stimulation of the 12th cranial nerve at the lateral 1/3 point of the line between the midline and angle of mandible. Results: During moderate motor activation, majority of maximal motor response were obtained 4-6cm lateral to the vertex with similar latencies. And the responses from magnetic stimulation of the intracranial segment of hypoglossal nerve were discarded because of difficulty to obtain and unsatisfactory reproducibility. The latency of motor evoked potentials in right cortical stimulation was 10.08 ± 1.17 msec and in left stimulation 10.04 ± 1.32 msec. The amplitudes in right 2.15 ± 1.02, left 2.09 ± 1.11 mV. The latencies electric hypoglossal nerve stimulation were 2.42 ± 0.34 in right, 2.49 ± 0.35 msec in left side. The amplitudes were 2.90 ± 2.37 in right, 2.43 ± 1.86 mV in left side. Central conduction times as calculated by subtracting the response latencies obtained by magnetic and electric stimulation are right 7.65 ± 1.19, left 7.55 ± 1.35 msec. There was no significant difference between man and woman, Conclusion: The method may be efficient, noninvasive, painless, and easy reproduced. With more extensive application to various neurological disorders, it comes close to being an ideal clinical conduction study technique for this cranial nerve.
김윤정 ( Yun Jung Kim ),백영미 ( Young Mee Baek ),김소윤 ( So Yun Kim ),문미르 ( Mi Reu Moon ),박경희 ( Kyung Hee Park ),백소희 ( So Hee Paeck ),서문영 ( Moon Young Seo ),오숙영 ( Sook Young Oh ),이은지 ( Eun Ji Lee ),임현빈 ( Hyu 한국정맥경장영양학회 2015 한국정맥경장영양학회지 Vol.7 No.1
Purpose: Development of a standardized guideline and assessment tool is necessary. Therefore, the aim is to investigate the current state of enteral feeding management and to develop a basis for a standardized guideline. Methods: From July 1, 2010 through June 30, 2011, this study was conducted retrospectively for 100 patients who had enteral feeding more than once only in the Intensive Care Unit, after General Surgery at Severance Hospital, Yonsei University College of Medicine, Seoul, Korea. The analysis was based on the following factors; age, diagnosis, name of the operation, period of start and the end of enteral feeding, method of injection, flushing method, residual volumes of the stomach, location and the size of the tube, medication through tubing, and complications related to enteral feeding. Results: The mean age of the patients was 60.5, 65 men and 35 women. There were 30 malignant tumors of the hepatobiliary system and pancreas, 8 gastric and duodenal cancer, 4 colon and rectal cancer, 11 peritonitis, hemoperitoneum, and bowel obstruction, and 47 others. The average period of performing enteral feeding was 11.7 days and the locations of enteral feeding tube were stomach 56%, jejunum 39%, duodenum 3%, and undescribed 2%. The methods of enteral feeding were as follows; continuous feeding 19%, cyclic feeding 75%, intermittent and bolus feeding 3%, respectively. Only 1% of patients were on flushing and 16% on stomach residual. The most common complication of enteral feeding was clogging of the tube (5%). Conclusion: Due to the lack of detailed charting related to enteral feeding, we were unable to analyze the statistics on the relevance of complication which was the primary endpoint. As a result, development of a standardized protocol on charting enteral feeding is suggested for optimal enteral nutritional support.