그림책을 활용한 반편견 교육활동이 유아의 장애 수용 인식 및 태도에 미치는 영향

원계선,최일선 국립특수교육원 2004 특수교육연구 Vol.11 No.2

본 연구의 목적은 그림책을 활용한 반편견 교육프로그램이 만 5세 유아의 장애에 대한 인식 및 태도에 미치는 효과를 밝히는 데 있다. 본 연구의 대상은 이천 시 소재 유치원의 만 5세 일반 유아 50명으로, 실험 집단 유아 25명에게는 그림책을 활용한 반편견 교육활동을, 통제집단 유아 25명에게는 정규 유아교육활동을 시행하였다. 연구결과, 두 집단 유아들 간에 장애인에 대한 상호작용의도, 인식 및 수용태도에 있어서 유의한 차이가 있는 것으로 나타났다. 이는 장애와 관련된 그림책을 선정하여 반편견 교육활동을 시행한 것이 일반 유아들의 장애에 대한 인식과 태도에 긍정적인 영향을 끼친다는 점을 시사한다. This study investigates the effects of the anti-bias program using literature on children's intentions, recognitions and attitudes toward children with disabilities. In this study, the subjects were 50 children without disabilities 5 years old kindergarten children. They were placed to an experimental or a control group, with 25 children in each other. While normal regular program was provided for the control group, the anti-bias program through literature was applied to the experimental group for 4 weeks. Significant differences were showed between the pre and post-test scores in intentions, recognitions and attitudes toward the disabled. This results indicates that the anti-bias program using literature affects positive influences to children's intentions, recognitions and attitudes toward children with disabilities.

미세전류자극 치료법의 진통효과

김계엽,오명화,김선은 東新大學校 2003 論文集 Vol.13 No.-

The purpose of study is that we will observe the change of CGRP(calcitonin gene-related peptide) within the cell with the immunohistochemistry method and then we will study the effect of microcurrent stimulation therapy following the frequency after inducing pain to rats with capsaicin. Eighty rat were classified to SD and they have growed for 8 weeks. I classify to four groups, ordinal group is used in experiment Ⅰ, the group which we induce pain is used in experiment Ⅱ, the application group which we induce pain and then the high frequency micro current stimulation is used in experiment Ⅲ, the application group which we induce pain and then the low frequency micro current stimulation is used in experiment Ⅳ, I get the following result. Compare with experiment Ⅱ, experiment Ⅲ, and expriment Ⅳ react from CGRP immunoreactive weakly, seven days later, they decrease remarkably. According to these results, from rats induced pain, micro current stimulation effect to reducing pain, but following frequency micro current stimulation therapy isn't different from immunoreactive CGRP.

하수슬러지의 산과 초음파 처리에 따른 ECP(exocellular polymers)의 거동이 탈수성과 침강성에 미치는 영향

황선진,정규호,황규대 대한상하수도학회 2002 상하수도학회지 Vol.16 No.6

The effects on dewaterability and settlability of wastewater sludge according to acid and ultrasonic pretreatment which was expected to change ECP (exocellular polymers) compounds in the sludge and bulk solution was investigated. Though ECP which attached to the sludge could stimulate coagulation of sludge particles by bridging effect, but ECP in the bulk solution deteriorated dewaterability and settlability of the sludge on the contrary. That is as the pH of the solution was decreased to 3 gradually by acid treatment, proportionally ECP in the bulk solution was attached to the sludge flocs and resulted in improvement of dewaterability and settlability of the sludge. In case of ultrasonic pretreatment, with proportional to the intensity and duration of ultrasonic application, ECP was detached and extracted from sludge flocs and these phenomena deteriorated dewaterability and settlability. Also because of the increasement of minute sludge particles according to ultrasonic, dewaterability became so much the worse.

베타카로틴 함유 마이크로에멀젼의 제조 및 물리화학적 특성 평가

곽은선,이종화,박목순,이계원,지웅길 충남대학교 약학대학 의약품개발연구소 2000 藥學論文集 Vol.16 No.-

The o/w microemulsions containing β-carotene were made from 3 or 5% w/w oil(soybean oil, cottonseed oil and isopropyl myristate) and 15, 20 or 25% w/w nonionic surfactant (Cremophor EL, Cremophor RH 40 and Brij 97/Pluronic F-68(2:1 w/w). They are characterized by particle size distribution, surface tension and viscosity. Also, stability study was done by antioxidant, long-term storage for 6 months.

Ag 가 첨가된 비정질 유리반도체 As_2S_3의 물리적 특성

이종록,桂善姬 梨花女子大學校 韓國生活科學硏究院 1987 韓國生活科學硏究院 論叢 Vol.40 No.-

비정질 유리 반도체 As_2S_3에 Ag를 0, 5.7, 9.1, 12. at%로 첨가하여 thermal evaporation방법으로 박막 시료를 만들어 직류 전기 전도도, 광 흡수도를 측정하였다. X선 회절 실험 결과 각 시료는 비정질임이 확인되었다. 273K에서 373K 온도 영역에서의 직류전기 전도도는 7.04x10^-17(Ω^-1cm^-1)에서 8.66x10^-12(Ω^-1cm^-1_의 값을 나타내며 Ag의 농도가 증가함에 따라 직류 전기 전도도는 증가하였다. 직류 전기 전도도는 σ=σ_0exp(-ΔE_α/KT)의 관계식을 만족하고 광학적 에너지 gap은 Ag의 농도가 증가함에 따라 2.34, 2.12, 1.89, 1.78eV로 감소하였다. E_-ΔE_α의 값은 Ag의 농도에 관계없이 거의 일정하였다. D.C. electrical conductivity, optical absorption experiments on glassy semiconductor As_2S_3+Ag for which the Ag concentration is 0, 5.7, 9.1, 12.3 at. % are investigated. The thin film samples are prepared by the thermal evaporation method. From the result of X-ray diffraction experiment, it was convinced that each sample was amorphous semiconductor. Over the temperature range from 273˚K to 373˚K, the d.c. conductivity of the investigated samples is 8.66x10^-12(Ω^-1cm^-1)∼7.04c10^-17(Ω^-1cm^-1). As Ag concentration increases, the electrical d.c. conductivity increases. D.C. conductivities are proportional to inverse of temperature and satisfy the relation σ=σ_0exp(-ΔE_α/KT). The optical energy gap decreases with the Ag concentration having the value of the range from 2.34eV to 1.79eV. It is also shown that the value of difference E_g-ΔE_α is independent of Ag concentration.

흰쥐 뇌에서 Tyrosine Hydroxylase분비세포의 출현시기 및 분포에 관한 면역조직화학적 연구

정윤영,선희매,김영택,김남훈,안계훈,장인엽,김종중,문정석,강양수 조선대학교 부설 의학연구소 1999 The Medical Journal of Chosun University Vol.24 No.1

The immunohistochemical (ABC method) studies on the ontogeny and localization of the catecholamine-synthesizing enzyme tyrosine hydroxylase (TH) were examined in rat brain from the 12th fetal day until the 9th postnatal day. The results obtained were as follows : 1. Tyrosine hydroxylase was first detected immunohistochemically at embryonic day 13(E13). At this stage, the TH-containing neurons were still migrating and cytologically immature. 2. The changes occuring from the early to the late prenatal stages of development appeared to be the result of an increase in the number and size of the TH-containing cells and in the length of nerve fibers. 3. The distribution of the TH-containing neurons at embryonic day 19(E19) more closely resembled catecholaminergic neurons in the adult rat brain : 1) a rhombencephalic group became the A1-7 ; 2) a ventral mesencephalic group became A8-10 ; 3) a ventral prosencephalic group and a few neurons ventral to the striatum became A11-14 ; and 4) the cells of the olfactory bulb corresponded to the A15. 4. The cytodifferentiation of the TH-immunoreactive neurons was accompanied by continued migration to form the collective catecholaminergic groups during ontogenesis. In addition, the morphology of the TH-immunoreactive neurons in the late prenatal stage resembled in the adult rat brain.

병풀(Centella asiatica) 엑스-베타시클로텍스트린 고체 분산체를 함유한 폴록사머 407 히드로겔 제조 및 피부투과

김경국,곽은선,이계원,박진규,박목순,지웅길 충남대학교 약학대학 의약품개발연구소 1998 藥學論文集 Vol.14 No.-

Extract of Centella asiatica(ECA), which is poorly water-soluble extract from the Centella asiatica is known to express excellent wound healing properties. ECA-β-cyclodextrin (asiaticoside-β-cyclodextrin and genin-β-cyclodextrin) solid dispersion system, which was prepared by freeze-drying method, was formulated as gels containing poloxamer 407 and propylene glycol, and evaluated with respect to their viscosity. stability, skin permeation and drug amount in the skin of hairless mouse. The average molar ratio asiaticoside-β-CD and genin-β-CD was 1:1,7 and 1:22, respectively. When the molar ratio of genin and β-CD was 1:5, madecassic acid made 100% solid dispersion system and asiatic and about 65%. In dissolution study, >99% of asiaticoside from asiaticoside-β-CD was dissolved in 5 minutes, and >99% madecassic acid and >64% asiatic acid from genin-β-CD. The apparent viscosity of poloxamer 407 gels with ECA-β-CD solid dispersion system increased in proportion to poloxamer 407 and gels showed that asiaticoside was most stable and madecassic acid stable and asiatic acid similar to stability of gel with free ECA. The permeation amount of asiaticoside in poloxamer gels through-hairless mouse skin decreased as the concentration of poloxamer 407 increased. When propylene glycol was added at the level of 10%, the permeation amount of asiaticoside at poloxamer gels through hairless mouse skin increased but from 15% it decreased. The permeation of asiaticoside into the skin of hairless mouse was estimated to be about 0.10 ㎍/㎠.

ZVS를 이용한 풀 브릿지 단일 전력단 고주파 공진 AC-DC 컨버터의 특성해석

남승식,황계호,오경섭,원재선,조규판,김동희 嶺南大學校 工業技術硏究所 2003 工業技術硏究所論文集 Vol.31 No.2

This paper proposes a single-stage high frequency resonant AC-DC converter using zero voltage switching with high input power factor. The proposed high frequency resonant converter ingegrates a half bridge boost rectifier as power factor corrector(PFC) and half resonant converter into a single stage. The input stage of the half bridge boost converter is working in discontinuous conduction mode(DCM) with constant duty cycle and variable switching frequency. Therefore, high power factor is achieved naturally. The results of simulation using the Pspice have demonstrated the feasibility of the proposed AC-DC converter. The proposed converter will be able to be practically used as power supply.

부분적으로 유체가 채워진 원통형 관내의 외팔보 진동특성에 관한 실험적 연구

권대규,유계형,소순선,이성철 전북대학교 공학연구원 ( 구 전북대학교 공업기술연구소 ) 2003 工學硏究 Vol.34 No.-

This paper presents the vibration characteristics of an intelligent cantilever beam in contact with fluid using PZT actuator and PVDF film. The effect of liquid level on free vibration of composite beam in a partially liquid-filled circular cylinder is investigated. The dynamic behaviors of a flexible beam-water interaction system are examined. The coupled system is subject to an undisturbed boundary condition in the fluid domain. In the vibration analysis of wetted beam, the decoupled analyses between beam and fluid have been conventionally employed by considering firstly the composite beam vibration in air and secondly performing the correction taking account for surrounding fluid effects. That is, this investigation was to look at how natural frequencies, mode shapes, and damping are affected by liquid level variations. Using the coupled modal reanalysis method employing the governing equations and the clamped-free and free-free boundary conditions, the vibration analysis of beam in contact with fluid is performed. We also carried out the experimental verification about reliability of theoretical methods to inclusive vibration analysis of the fluid-structure system with PZT actuator and PVDF film. It was found that the coupled natural frequencies decrease with the fluid level for the identical composite beam due to added mass effect.

이동형 생체계측을 위한 임베디드 컴퓨팅

홍주현,진계환,박경순,조명찬,박길선,차은종,이태수 충북대학교 의과대학 충북대학교 의학연구소 2003 忠北醫大學術誌 Vol.13 No.2

연구목적: 초소형 정밀 기계 기술로 제작된 2차원 가속도 센서와 916 MH2 단거리 고주파 데이터 통신 기술을 응용하여 인체의 운동상태를 자동으로 감지하고 분류하는 기법을 제안 하고자 하였다. 재료 및 방법: 인체의 신호를 획득하기 위하여 미국 버클리대에서 제작한 무선 센서를 등 산용 조끼의 전면상단에 부착해서, 대상자의 흉골 부위에 위치하도록 하고, 앉은 상태에서 일어서거나 눕거나 하는 동작 및 그 역동작이 일어날 때, 가속도 센서에서 감지되는 4가지 종류의 파형 현화에 해당되는 데이터를 무선센서 네트웍을 통해 획득하였다. 결과: 획득한 신호를 주성분분석(Principal Component Analysis)과 지원벡터머신(Support Vector Machine)을 사용하여, 2차주성분까지를 도표화하고 클러스터링 함으로써, 4개의 영역으로 분할하는 것이 가능함을 말 수 있었다 결론: 소형 센서들이 작동되는 임베디드 컴퓨팅 환경에서 일상생활 중에 발생하는 인체의 4가지 동작을 자동으로 감지하고 분류하는 것이 가능함을 보였다. Purpose: New monitoring and classifying method of human motion contort was pro- posed by using 2-axial MEMS accelerometer and 916 MHz short-range data communica-tion technology. Materials and Methods: The wireless sensor of MICA mote was attached to a woman mountain vest and located close to the subject's sternum. During four types of sub-ject's motion, that is, sit-to-stand, stand-to-sit, sit-to-tying, and tying-to-sit, waveform changes of the accelerometer data were acquired by wireless sensor network. Results: The acquired signal was analyzed by Principal Component Analysis(PCA) and Support Vector Machine(SVM) technique. By clustering the first and second principal components, four regions corresponding to the four types of motion, were clearly segment-ed. Conclusion: Human motion context during daily life could be monitored and classified automatically by using small sensors in embedded computing environment