http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이순석 ( Lee Sun Seog ),이상용 ( Lee Sang Yong ) 한국식품유통학회 2003 食品流通硏究 Vol.20 No.2
The study aims to analyze consumers’ preference and homogeneity on the brand rice using logit model and optimal scaling. The results showed that households’ preference and loyalty for brand rice are increased as age and education level goes higher. Results also showed that households’ homogeneous preference factor foe selecting good rice by the external appearance is moisture, color and length. Also, homogeneous preference factor for the flavor of rice is a sort of rice, storage term and processing degree.
SiO₂에 담지된 Cu-Ca 촉매 상에서의 Cyclohexanol 탈수소 반응
金海源,李淳錫 慶一大學校 1999 論文集 Vol.16 No.5
Copper and calcium catalyst ispersed on silica support, it was properly prepared by precipitation method, and was found to be better than commercial catalyst with respect to the conversion, and selectivity for the dehydrogenation of cyclothexanol to cyclohexanone. The lowest loading was desiable to achieve the highest conversion and selectivity, but the formation of side products suppressed when the copper loading silica was kept above 60 %. By the results of SEM and DT/TGA the Cu-Ca/SiO₂catalyst show the high thermal stagility and low pressure drop. These propertis are good for industrial use and long life time.