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        검색결과 26

        21.
        1994.04 KCI 등재 SCOPUS 구독 인증기관 무료, 개인회원 유료
        무전해 동도금액에서의 각종 안정제, 촉진제등의 첨가제에 따른 영향을 고찰하였다. 욕의 기본성분은 황산구리 10g/1, EDTA-2Na 40g/1, 포르말린 3ml/1, pH조절용 수산화나트륨 용액으로 조성하였고, 안정제, 도금촉진제 및 계면활성제의 첨가에 따른 분극곡선을 검토하여 도금욕의 경향을 검토한뒤 농도변화에 따른 도금속도를 측정하여 최적조건을 구하였다. 안정제는 α, α'-dipyridy1과 NaSCN을 혼합 사용하는 것이 좋았으며 촉진제로는 pyridine이 계면활성제로는 PEG 4000이 좋았다. 첨가량은 5mg/1이하의 미량이었으며 이후 첨가량이 증가함에 따라 증가함에 따라 도금속도는 직선적으로 감소하였다.
        4,000원
        22.
        2008.12 KCI 등재 서비스 종료(열람 제한)
        본 연구에서는 아로마테라피 좌욕을 적용한 실험군과 대조군의 산욕기 회음부 불편감과 우울을 비교 분석하였으며, 그 결과 다음과 같은 결론을 내릴 수 있었다. 아로마테라피 좌욕은 산욕기 산모들의 신체적인 문제로 회음부 불편감 뿐만 아니라 심리적인 산후 우울을 감소시키는데 효과적이었다. 그러므로 우리나라에서 분만 중 대부분의 산모에게 시행하는 회음절개술 후 산모에게 나타나는 회음부 불편감과 산후 많은 빈도로 나타나는 우울을 감소시키는 방안으로 아로마테라피 좌욕을 적용하는 것은 매우 적절한 것으로 판단된다. 특히 아로마테라피 좌욕은 그 적용법이 간단하므로 그 장점이 있다고 보겠다.
        23.
        2006.12 KCI 등재 서비스 종료(열람 제한)
        This study was conducted to select the most suitable dye bath soil of mat rush for good quality. Dry stem weight ranged from 102.5 to 107.0 g, dry stem ratio ranged from 34 to 36%, color of stem ranged from soft gray to heavy gray, degree of softness ranged from high to low and degree of floating ranged from extremely high to low. All the good quality components, such as dry stem weight, dry stem ratio, color of stem, degree of softness and degree of floating showed large variations. Hadong white ceramic soil, the superior dye bath soil of mat rush, showed relatively superior values for all the good quality components with 102.5 g in light dry stem weight, 34% in high dry stem ratio, good color of soft gray in color stem, high in degree of softness and extremely high id degree of floating. The results indicate that dye bath soils shows different adaptabilities to a particular dye bath and Hadong white ceramic soil seems to be the most suitable dye bath soil of mat rush for good quality.
        25.
        1998.06 KCI 등재 서비스 종료(열람 제한)
        Recently, bathes have been suspected to an important source of indoor exposure to volatile organic compounds(VOCs). Two experiments were conducted to evaluate chloroform exposure and corresponding body burden by exposure routes while bathing. Another experiment was conducted to examine the chloroform dose during dermal exposure and the chloroform decay in breath after dermal exposure. The chloroform dose was determined based on exhaled breath analysis. The exhaled breath concentration measured after normal baths (2.8 ㎍/㎥) was approximately 13 times higher that measured prior to normal bathes (0.2 ㎍/㎥). Based on the means of the normalized post exposure chloroform breath concentration, the dermal exposure was estimated to contribute to 74% of total chloroform body burden while bathing. The internal dose from bathing (inhalation plus dermal) was comparable to the dose estimated from daily water ingestion. The risk associated with a weekly, 30-min bath was estimated to be 1 x 10^-5, while the risk from daily ingestion of tap water was to be 0.5 × 10^-5 for 0.15 1 and 6.5 × 10^-5 for 2.0 1. Chloroform breath concentration increased gradually during the 60 minute dermal exposure. The breath decay after the dermal exposure showed two-phase mechanism, with early rapid decay and the second slow decay. The mathematical model was developed to describe the relationship between water and air chloroform concentrations, with R^2 = 0.4 and p<0.02.
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