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        검색결과 4

        1.
        2015.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The purpose of this study was to determine the effects of awareness and knowledge of the efficacy of carbonated water on consumption patterns and satisfaction for college students, who are the principal consumers of carbonated water. A survey was conducted with 502 college students in the Metropolitan area from May 13 to 18, 2015 and 455 questionnaires were analyzed. As for the differences in awareness and knowledge of the efficacy of carbonated water according to gender, females (14.60 and 0.76) had better awareness and knowledge than males (13.40 and 0.58) (p=0.000 and p=0.036). The more positive the awareness of carbonated water, the greater the knowledge (p=0.000); the greater the knowledge of carbonated water, the higher level of consumption satisfaction (p=0.006). The odds ratio of awareness for carbonated water was 11.98; that is, positive awareness led to higher levels of satisfaction than negative awareness (p=0.003). Since awareness of the efficacy of carbonated water was found to affect carbonated water drinking and satisfaction, it is necessary to provide correct information about the efficacy of carbonated water.
        4,000원
        2.
        2012.06 KCI 등재 SCOPUS 서비스 종료(열람 제한)
        This study was carried out to investigate the effect of carbonated water on the yield, weight, length, thickness, and vitamin C and isoflavone contents of soybean sprouts cultivated for 6 days. 100 g Junjori cultivar soybeans were cultivated at 22±1℃ with carbonated water (pH 4.5) and drinking water (pH 7.8) for 6 days, respectively, after 6h presoaking treatment. The yield of the soybean sprouts cultivated with carbonated water for 6 days was 255.1 g, approximately 1.45 times higher than the 176.1 g soybean sprouts cultivated in drinking water. The weight and length of the soybean sprouts cultivated with carbonated water were 1.3 and 1.2 times higher, respectively, than those of the soybean sprouts cultivated with drinking water. The same can be said of the thickness of the carbonated- and drinking-water soybean sprouts. The vitamin C contents of the soybean sprouts cultivated with carbonated water was about two times (1.13 mg%) higher than those of the soybean sprouts cultivated with drinking water. The genistein and daidzeinin contents of the soybean sprouts cultivated for 6 days with carbonated water were higher than those of the soybean sprouts cultivated for 6 days with drinking water. The growth characteristics and contents of the useful components of the soybean sprouts were affected more by carbonated water than by drinking water.
        3.
        2011.06 KCI 등재 서비스 종료(열람 제한)
        울산시에 삼동면에 위치한 천부 관정 지하수들 중 일부는 탁도가 음용수 기준을 크게 초과한다. 광물학적 분석결과, 극미립 부유입자는 지름 0.5 μm 이하의 구상 페리하이드라이트(ferrihydrite), 페리하이드라이트로 교대된 나선형 철산화 박테리아 섬유, 그리고 이들의 집합체였다. 페리하이드라이트는 거의 비정질로서 2개의 전자회절환만 관찰되었고, Si와 P가 함유되어 있었다. 나선형 철산화 박테리아는 지하수의 용존 Fe2+의 산화뿐만 아니라 페리하이드라이트의 침전 장소를 제공하였다. 주변의 보통 지하수와 비교하여 pH와 Eh가 낮고, Ca 함량과 알칼리도가 높아서 한국 탄산약수의 일반적 수질 특정과 잘 부합되어, 용존철이 풍부한 심부 기원 탄산수의 유입이 추정된다. 따라서 높은 페리하이드라이트 탁도는 pH, Eh, 알칼리도 등의 수질인자와 함께 천부 지하수 관정을 이용한 심부 기원 탄산지하수 추적의 지시자로 활용될 가능성이 있다.