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( Ha Na Joung ),( Moon Hwan Kim ),( In Cheol Jeon ),( Pt Ui Jae Hwang ),( Oh Yun Kwon ) 한국전문물리치료학회 2016 한국전문물리치료학회지 Vol.23 No.3
Background: Shoulder horizontal adduction (HA) is performed in many activities of daily living. The limited range of motion (LROM) of HA is affected by the tightness of the posterior deltoid, infraspinatus, teres major, and posterior capsule of glenohumeral joint. The LROM of shoulder HA contributes to excessive scapular abduction. Objects: The aim of this study is to compare the scapular abduction distance and three dimensional displacement of the scapula during shoulder horizontal adduction between subjects with and without the LROM of shoulder HA. Methods: 24 subjects (12 people in LROM group and 12 people in normal ROM group) participated. Subjects with less than 115° of HA ROM were included in LROM group. Shoulder HA was performed 3 times for measuring scapular abduction distance and three-dimensional displacement of the scapula. Tape measure was used for measuring scapular abduction distance. Scapular abduction distance was normalized by dividing the scapular size. Polhemus Liberty was used for measuring the three dimensional displacement of the scapula. Results: Normalized scapular abduction distance was significantly greater in LROM group than normal ROM group (p<.001). Three-dimensional displacement of the scapula during shoulder HA was greater in LROM group than normal ROM group (p<.05). Conclusion: LROM group had a greater scapular abduction and three-dimensional displacement of the scapula during shoulder HA compared to normal ROM group.
硬化條件 變更을 통한 浴槽 및 洗面器 生産性向上 事例硏究
황규일,이재하 남서울대학교 경영연구센터 2001 경영연구 Vol.3 No.-
In the hardening process of cultured marble bath-tub and wash-basin, it is important to maintain an average temperature condition. That is why that quality of cultured marble product is settled by the accurate temperature condition. This paper focus on hardening way to improve productivity of cultured marble products. And new hardening way which is used infrared rays is introduced. New way apply tube-heater in hardening the marble products. According to the example of 'D' company, excellency of this way is established.
황규일,황규천,이재하 남서울대학교 경영연구센타 2002 경영연구 Vol.4 No.-
This study focus on the development of new molding ways of the cultured marble washbasin & bathtub to produce higher quality goods. On looking back upon the past 30 years in the market of the washbasin & bathtub, our product quality level was below the standard and the production facility was largely imported goods. And the inferior quality leads to the unsatisfaction of customer. But the leading companies are have been concentrated their effort on the productivity and quality improvement. In this study, we introduced the success case of ‘BACHE’ which gained productivity improvement by developing the molding process.
황병하,김혜숙,서재성,박민식,곽훈성 全北大學校 1994 論文集 Vol.37 No.-
In Classified Vector Quantization(CVQ) for image coding, the block classification pondering the block characteristics will be the most important procedure if we consider system performance. But it does not take effect because classification of conventional CVQ followed act on a heuristic and statistics method. In order to solve the problem of conventional methods, i.e, for block classification effectively we propose a fuzzy inferencing algorithm to improve its performance. To do this, fuzzy rules must be generated in the first. Our rules are based on energy distribution in transform domain with respect to spatial variation. Ultimately fuzzy inferencing of this paper apply these fuzzy rules for efficient block classification on a input image. As a result of efficient classification, our proposed method shows that blocking effect is decreased and PSNR(peak to peak signal to noise ratio) is increased by about 1 ∼ 2 dB for 0.2 ∼ 0.6 bpp range, when the performance is compared with Aizawa's scheme^[9].
황병호,이현종,강하영,유순희,조재현,조국란 江原大學校 森林科學硏究所 1997 Journal of Forest Science Vol.13 No.-
요 약 주요 소나무류잎의 특수성분을 분석하여 시판되고 있는 솔잎 가공식품의 기초데이터를 제공함과 동시에 임산화학 분야의 학문적 기초데이터를 축적하기 위하여 실시한 결과, 펙틴은 잣나무가 가장 높게 분석되었으며, 탄닌은 잣나무가 높게 분석되었고, 소나무와 해송은 유사하였다. 테르페노이드 성분중 α-pinene은 소나무와 잣나무에서, β-pinene은 리기다와 해송에서 높게 분석되었으며, 희귀성분으로는 잣나무에서 sabinene과 citronellol, 리기다에서는 α-pinene oxide 등이 분석되었다. 특히 소나무일체 다량 존재하는 성분은 α-pinene, β-caryophyllene, β-phellandrene, Δ3-carene, phytol 등 이었다. 향기성분의 주체인 α-pinene, limonene, bornylacetate들이 소나무와 잣나무에서 보다 많이 분석된 것으로 보아 삼림욕의 상쾌한 내용의 주체성분이라고 생각된다. ABSTRACT Pectin and tannin analysis were carried out to inverstigate any available components from Pinus densiflora, koraiensis, P. thunbergii and P. rigida. To analyze terpenoid components, the essential oils were extracted with steam distillation method from four kinds of pine needles. The essential oil was analyzed by GC and GC-MS spectroscopy.The results were summarized as follows: Pectin content was highest in P. koraiensis with 0.40%, and tannin content was highest in P koraiensis with 1.05. Major components of P. densiflora needles were α-pinene, β-caryophyllene, Δ3-carene and phytol. α-Pinene, Δ3-carene, β-caryophyllene, germacrene D, and camphene were found major components n P. koraiensis. Major components of P. thunbergii needles were β-pinene, α-pinene, β-caryophyllene and germacrene D. β-Pinene, α-pinene, humulene oxide and α-elemene were major components in P. rigida. Sabinene and citronellol were infrequent components in P. Koraiensis, and α-pinene oxide was present only in P. rigida. α-Pinene, limonene, and bornylacetate well known as the mail components of green air bath were found in P. densiflora and P. koraiensis.