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외식기업 어플리케이션 품질 특성과 소비자 개인 특성이 지각된 유용성, 만족, 행동의도에 미치는 영향에 관한 연구
류정열,이희민 (사)한국조리학회 2020 한국조리학회지 Vol.26 No.8
The purpose of this study was to provide the relationship between the quality properties of enterprise application food service (information quality, service quality) and consumer personal characteristics (innovation, self-efficacy) and consumers’ perceived usefulness, satisfaction and behavioral intention. A survey was conducted using the convenient sampling method for domestic adults with experience in using food service business applications, and a total of 360 questionnaires were used for analysis from March 25, 2017 for a week. Using the IBM SPS statistics 23.0 for data analyses, the results are as follows: First, information quality (β=.241) and service quality (β=.231) among application quality characteristics of food service enterprises have been shown to affect consumers’ perceived usefulness. Second, the innovation (β=.299) and self-efficacy (β=.166) among the individual characteristics of application users of food service enterprises have been shown to have an impact on consumers’ perceived usefulness. Third, the perceived usefulness (β=.802) has been shown to affect consumer satisfaction. Fourth, satisfaction (β=.867) has been found to affect consumers’ behavioral intention. These results will provide a high-level overview of detailed marketing strategy to promote sustainable consumption by application users described above.
Rat에 있어서 사료내 아연의 첨가가 조직내 카드뮴의 농도 및 혈액상에 미치는 영향
류정열,이현범,이근우 경북대학교 1990 새마을 硏究論叢 Vol.11 No.-
Present experiment was undrtaken in order to clarify the effect of supplemental zinc on the absorption of cadmium in diet and hematological picture. The rats were fed with diet containing 10㎍/g of cadmium(Control rats) and the other 10 with the same diet which were added with 2,000㎍/g of zinc(Experimental rats). One half of the rats were sacrified on 30th day and the remainder on 60th day. Kidney, liver, muscle, and hair samples were collected, ashed and analyzed for the cadmium and zinc contents using an atomic absorption spectrophotometer. In addition, blood samples collected at necropsy were examined for erythrocyte count, complete leukocyte count and packed cell volume. The result obtained are summrized as follows: The mean cadmium contents of control group were measured as 0.91㎍/g in liver, 1.23㎍/g in kidney, 0.35㎍/g in muscle and 2.1㎍/g in hair. The mean cadmium contents of experimental group were measured as 0.86㎍/g in liver, 1.49㎍/g in kidney, 0.11㎍/g in muscle and 0.16㎍/g in hair. These values showed no significant difference statistically between the two groups. The mean zinc contents of control group were measured as 11.39㎍/g in liver, 26.82㎍/g in kidney, 13.14㎍/g in muscle and 60.27㎍/g in hair. The mean zinc contents of experimental group were measured as 12.75㎍/g in liver, 22.06㎍/g in kidney, 10.17㎍/g in muscle and 70.92㎍/g in hair. No significant difference was recorgnized between the two groups. The mean hematological pictures of control group were measured as 764×10 exp (4)/cmm in erythrocyte count, 13,830cmm in leukocyte count, 40% in packed cell volume, 12% in neutrophill count, 88% in lymphocyte count and 1% in monocyte count. The mean hematological pictures of experimental group were measured as 686×10 exp (4)/cmm in erythrocyte count, 10,905cmm in leukocyte count, 40% in packed cell volume, 17% in neutrophil count, 83% in lymphocyte count, and 1% in monocyte count. A significant difference(p<0.1) was observable only in the erythrocyte counts of the two groups.
류정열 ( Jeong Yeol Ryu ),윤석태 ( Seok Tai Youn ),고영구 ( Yeong Koo Koh ),오강호 ( Kang Ho Oh ) 한국지형학회 2015 한국지형학회지 Vol.22 No.3
This study investigated the grain size distribution, roundness, shape, and sedimentary facies of the sediments sampled at 30 stations along Seomjin River. The surface sediments were very coarse to medium sand of -0.78 ~ 1.92Ø and well- to very-poorly sorted (0.36 ~ 2.32Ø). With respect to the interrelations among textural parameters in the sediments, mean size was highly proportional to gravel content and sorting value, and was increasingly fine downstream. The roundness of the sediments was variable in size, ranging from granule to coarse sand, and gradually changed a gradually reduced as the grains became finer. The correlations between grain size and roundnesswere r=0.46 ~ 0.76 in -2 ~ 2Ø (very angular to angular) and r=0.50 ~ 0.76 in -1 ~ 2Ø (subangular to subrounded). Synthesizing these results, we document that sandy sediments in the area are forming in the entrenched meanders that run parallel to the surrounding mountainous terrains. In particular, roundness patterns well correspond to the above-mentioned fluvial sediments. Channel and velocity changes of the rivers are closely interrelated with sedimentary facies and roundness together.