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표고버섯 분말을 첨가한 Sponge Cake의 품질 특성
조경아 ( Kyung A Jo ),이영주 ( Young Ju Lee ),심창환 ( Chang Hwan Sim ),김경제 ( Kyung Je Kim ),전순실 ( Soon Sil Chun ) 한국식품영양학회 2010 韓國食品營養學會誌 Vol.23 No.2
To make sponge cake using Lentinrrs edodes powder, which is useful and valuable as a functional food material, we tested samples with 3, 6, 9, and 12% L. edodes powder to ascert200ain the quality characteristic and make optimize preparation. Samples and L. edodes powder-free control sponge cakes were compared in terms of quality characteristics including batter viscosity and specific gravity, moisture content, volume index, weight, color, textural characteristics, and sensory qualities, to determine the optimal ratio of L. edodes powder in the formulation. Viscosity and specific gravity of sample and control batter were not significantly different. Moisture content of the sample and control sponge cake also did not differ appreciably, and weight of sample and control sponge cakes did not differ appreciably. The volume index of the samples displayed contrasting values, increasing with 3-6% L. edodes powder and decreasing with 9-12% powder. L, a, and b crust color values of samples sponge cakes were lower than those of control cakes. The L and a values of the control cakes was maximal, with values progressively decreasing with incorporation of more L, edodes powder. The b value decreased by 3% with the addition of up 6% L. edodes powder with no further decrease thereafter. L edodes powder was the lower value. So was the color a, and L. edodes powder increased, a-values decreased. 3% difference was shown in b, the color and none between the samples with 6-12%. L. edodes powder showed lower values making a comparison with the control. Hardness and fracturablility were not appreciably affected by 3% L. edodes powder, but was affected by concentrations 6%. Fracturability og sample sponge cakes was consistently lower than control cakes. Fracturability made little difference in 3% samples, but it was not the same with more than 6% L. edodes powder samples; the samples showed lower value than the control. Adhesiveness was not significantly affected. Chewiness was lower in a11 sample cakes except those prepared with 3% L. edodes powder. Use of L. edodes powder conferreds higher resilience values as compared to thecontrols. Sensory attributes of color, flavor, softness and overall acceptability were the highest in control sponge cakes, as the mount of L, edodes powder increased, the acceptability decreased. L. edodes-flavor, pleasant taste and off-flavor were the lowest in control cakes, and values increased as the amount of L. edodes powder increased. The control sponge cakes showed the highest values in egg-flavor and moistness, which progressively increased as added L, W e s powder increased. The results indicate that control sponge cakes displayed were. the highest overall acceptability, with acceptability decreasing and it decreased as L. edodes powder content increased. However, 3-6% L. edodes powder can produce an acceptable product, and may be used as anoptimized mixture ratio.
조경은 ( Kyung Eun Jo ),강도명 ( Do Myung Kang ) 한국지적장애교육학회(구-한국정신지체아교육학회) 2012 지적장애연구 Vol.14 No.1
본 연구는 지적장애인의 고용을 지원하기 위한 정책을 수립하는데 근거가 될 수 있는 기초자료를 제공하는 연구로서 제2차 장애인고용패널조사에 참여한 지적장애인패널의 인구사회학적 특성 및 장애관련 특성, 지적장애인의 배경 변인과 취업 및 미취업과의 관계, 그리고 지적장애인의 취업 및 미취업을 예측하는 요인을 탐색하는 것이다. 본 연구에서는 한국장애인고용공단 고용개발원에서 조사한 「제2차 장애인고용패널조사(2009년)」원자료(raw data)를 이용하여 분석하였다. 본 연구에서 지적장애인의 경제활동에 영향을 미치는 요인을 분석하기 위하여 SPSS 18 버전을 이용하여 빈도분석, 교차분석, 다중회귀분석을 실시하였다. 취업에 미치는 영향력을 살펴본 연구결과는 경제활동 상태에 영향을 미치는 변수로 성별, 장애등급, 일상생활만족도가 유의미한 영향을 미쳤으며, 학력, 고용서비스 경험, 직업훈련/교육 경험, 자격증 보유, 건강상태, 주관적 사회경제적 지위는 유의미한 영향을 미치지 못한다고 나타났다. This study is to provide basic data which can be a base for establishing policy to support employment of Intellectual disabilities and to explore features of sociology of population and disability-related features of panels with intellectual disabilities who participated in the 2nd Research on Employment Panel for the Disabilities, the relationship between background variables of Intellectual disabilities and employment&unemployment, and the predictive factors for employment& unemployment of Intellectual disabilities. The present study is analyzed using raw data of ``the Second Panel Research on the Employment of the Disabled (2009)`` by EDI(Employment Development Institute) of KEAD(Korea Employment Agency for the Disabled). The frequency analysis, cross tabulation analysis and multiple regression analysis using SPSS 18.0 are initiated to analyze factors that affects to economic activities of Intellectual disabilities. As a result of analysis for effect on employment, gender, degree of disability, and satisfaction for daily living have significant effect as a variables that affect to the status of economic activities. And education, employment service experience, vocational training/education experience, with/without licenses, health condition and subjective socio-economic status have no significant effect.
조경화 ( Kyung Hwa Jo ),류근준 ( Geun Jun Lyu ),김응수 ( Eung Su Kim ) 한국센서학회 2011 센서학회지 Vol.20 No.1
We developed a small methane detection system because methane gas is used in many areas and is dangerous. The developed system consisted of LD(Laser Diode) tuned a wavelength of 1.65 ㎛, two mirrors to collect a laser beam, photo detector. It could detect methane gas at a long range and its sensitivity was 1.98 V/CH4 %.
헬륨 마이크로파 플라즈마 토치의 개발과 특성에 관한 연구
조경현,박용남,Jo, Kyung Hyun,Pak, Yong Nam 대한화학회 2000 대한화학회지 Vol.44 No.6
MPT, which has been developed recently, is very tolerant to aqueous samples. Several types of MPT have been investigated and is found that the double concentric tube could sustain a stable plasma at a low plasma gas flow rate. However, the tip of torch is easily ruined. Triple concentric torch has shown the best stability and the plasma shape, much like that of ICP, especially when the central channel is quartz. The plasma is exposed and mixed with air as is suggested from the background spectrum, which leads to quenching of He MPT. Sensitivity of helium MPT equipped with a membrane desolvator has shown 10 times lower than that of Argon MPT for most of elements except for the ones with relatively high excitation energy. He MPT requires small plasma flow rate (about 1.6 L/min), stable and simple to use. Excitational temperature and electron number density measured are 4950 K and 3.28 ${\times}$ $10^{14}cm^{-3}$, respectively. MPT는 최근에 개발된 마이크로파 플라즈마로서 수용매에 강하다. 여러 가지의 변형된 형태의 MPT를 개발하여 구조에 따른 플라즈마의 방전되는 형태를 조사한 결과 이중관 토치는 플라즈마 기체를 적게 소모하며 쉽게 플라즈마가 형성되었으나 토치의 끝이 높은 온도에 견디지 못하고 쉽게 상했다. ICP토치와 같은 형태의 삼중관 토치에 석영관을 중심관으로 사용할 때 가장 안정되고 대칭적인 플라즈마를 형성할 수 있었다. 바탕선을 조사해 본 결과 He MPT는 대기 중으로 돌출되어 대기와 많이 혼합되고 질소에 의해 quenching되는 것으로 보여진다. Membrane desolvator를 탈용매화 장치로 사용하여 헬륨 MPT의 감도를 조사해 본 결과 아르곤 MPT와 비교할 때 대부분의 원소에 대해 검출한계가 10배 이상 높았다. 그러나 여기 에너지가 높은 원소는 비교적 효율적으로 검출할 수 있었다. 헬륨 마이크로파 플라즈마는 적은 양의 플라즈마 기체만 필요하여(약 1.6 L/min) 경제적이며 매우 안정된 형태를 보여주었다. 플라즈마의 분광특성을 조사한 결과 들뜸온도 4950K, 전자밀도 $3.28{\times}10^{14}cm^{-3}$로 측정되었다.