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백순기,정희정,이정환 동신대학교 환경연구소 2004 환경연구 Vol.9 No.1
국내의 폐수처리공정들은 호기성 처리이므로 유기물제거는 효율적으로 처리되어 왔으나 호소 및 하천 등의 부영양화를 일으키는 질소와 인이 제대로 처리되지 못하고 방류되고 잇는 실정이다. 본 연구에서는 A2/O 변형공법 및 담체 이용 폐수처리공법에 적용시키기 위한 질소·인 제거용 실험설비를 설계 제작하였으며, 이 실험 장치를 이용하여 처리방법별 수질오염물질 제거효율을 살펴보았다. 담체를 이용하지 않은 A₂/O변형공법의 경우, 수질오염물질의 제거효율을 T-N 94%,T-P 91.15%의 제거효율을 나타내었다. 담체로는 기능성담체, 흡착담체, 그리고 다공성담체를 사용하였는데, 기능성담체의 처리효율이 T-N 97%, T-P 94.75%로서 가장 높은 것으로 밝혀졌다. 또, 담체들을 혼합하여 처리효율을 살펴본 결과, 처리효율은 T-N 98.5%, T-P 96.19%로서 담체들을 각각 사용하는 경우보다 더 높은 효율을 나타냈다. In korea Wastewater treatment plants from aerobic process that organic remove was efficiency treatment but do not eliminate drain in the lake and river nitrogen and phosphorus by cause of eutrophication. This study was have designed pilot plant for fixed manufactured A2/O process and using the ceramics process. And test of wastewater treatment efficiency for effective treatment of nitrogen and phosphorus in wastewater. In case of A2/O modification process without ceramics, the removal efficiency of the process for T-N, T-P are 94%, 91.1% respectively. We have used three kinds of ceramics, those are functional, porous, and adsorptive. The functional ceramic showed the highest removal efficiency among them. In case of the process using three kinds of ceramics simultaneously, the removal efficiency of the process for T-N, T-P are 98.5%, 96.2% respectively.
노인을 위한 원예치료 연구 현황 조사 및 치료정원 제안
백정애,백이화,최영,장매희 서울여자대학교 2010 여성연구논총 Vol.25 No.-
Recently, as the population becomes older, the elderly suffering increase, requiring multifaceted approaches to help them. Under such circumstances, this study was aimed at determining the effects of horticultural therapeutic program on the symptomatic alleviation of disorders in older people. The survey got the basic data of horticultural therapeutic activities for older people. The research method was investigated the horticultural therapy relation to literature documents and web sites. The classification of result by horticultural therapeutic activity was surveyed according to seasons, plant species, and activities. The horticultural therapeutic activities were carried out indoor space mainly. The ornamental plants were used more than vegetables for summer, autumn, and winter except spring. The horticultural therapeutic activities effected on senile dementia to decrease mental depression and increase the feeling of satisfaction for life, cognitive function, and physical promptitude. 우리나라의 노인인구증가는 급속하게 이루어지고 있다. 2030년에는 총인구 가운데 65세 이상이 19.3%, 70세 이상이 12.6%, 80세 이상이 3.4%에 도달, 65세 이상 노인 인구가 총 인구의 35% 이상을 차지할 것으로 예상되며, 이러한 증가속도는 세계에서 유례없이 빠르다(통계청, 2001). 현재 65세 이상의 노인의 87%가 장기 치료나 요양을 필요로 하며, 이들 중 31.9%는 일상생활 동작능력에 일부 장애가 있고, 3.5%는 스스로 모든 활동을 하는데 어려움을 겪고 있다(정경희 외, 1998). 또한 노인의 치매 유병율이 10% 내외로 추정되어(김한곤, 2002) 심각한 사회적 문제가 되 고 있다. 이에 따라 노인성 질환에 대한 의료적 혹은 약물처치이외의 대체치료에 대한 중요성이 강조되고 있으며, 특히 장애노인을 위한 신체적 능력 향상을 위한 프로그램으로서, 그리고 여가생활의 일환으로서, 나아가 노인의 삶의 질을 높이기 위한 방법으로서 원예치료가 주목받고 있다. 따라서 본 연구에서는 노인을 위한 원예치료활동이 더욱 적극적으로 활용될 수 있도록 구체적인 정원활동 및 원예치료활동의 모델을 제시하고자 문헌조사를 통한 기초연구를 실시하였다.
이태기,한용진,정재훈,채희백,이수빈,홍진수 순천향대학교 기초과학연구소 1998 순천향자연과학연구 논문집 Vol.4 No.2
The plasma parameters such as temperature and plasma potential was found by the use of a Langmuir probe. It is well known that the properties of the laser-produced plasma plume have an effection those of thin films. Thus, to understand the deposition processes of thin films and to deposit thin films having specific properties it is to necessary to probe the plasma, so we used Langmuir probe. The second harmonic of a Q-switched Nd:YAG laser have 6ns pulse-width and the peak intensity of focused laser beam on the high purity(99.7%) graphite target was nearly ??.
Hee-jung Jung,Moo-yeol Baik,Byung-Yong Kim 한국산업식품공학회 2016 학술대회 및 심포지엄 Vol.2016 No.10
Quality characteristics such as texture and sensory properties of garaetteok(Korean rice cake)made with organic rice flour treated withcitric acid were investigated. Compared to rice flour without addition of citric acid,rice flour treated with citric acid showed a significantly lower viscosity and viscoelasticity level as the concentration of citric acid increased. Hardness of garaetteokmade with citric acid showed a similar trend in viscoelasticity changes, whereas cohesiveness was not significantly affected by the pretreatment of citric acid.Garaetteok of 0.5% citric acid pretreatment showed the highest scores in hardness, springiness, chewiness and overall acceptability.However,flavor and taste of garaetteokof citric acid pretreatment were lower than those of the control.
( Jung Hee Kim ),( Hyun Wook Baik ),( Yeong Sook Yoon ),( Hyo Jee Joung ),( Ju Sang Park ),( Sang Jong Park ),( Eun Jeong Jang ),( Sang Woon Park ),( Sang Jung Kim ),( Mi Jeoung Kim ),( Dong Ok Jeon ) 대한내과학회 2014 The Korean Journal of Internal Medicine Vol.29 No.1
Background/Aims: Oxidative stress increases the risk of cardiovascular compli-cations of metabolic syndrome (MetS). This study was conducted to examine the difference in antioxidant capacity according to the presence of MetS, and to char-acterize the association between antioxidant capacity and MetS-related factors. Methods: We used the biological antioxidant potential (BAP) test to estimate antioxidant capacity. The BAP test has recently been used as an indicator of an-tioxidant capacity. We measured BAP levels in 45 patients with MetS (mean age, 44.6 ± 1.1 years) and 47 age- and sex-matched controls (mean age, 42.7 ± 1.1 years). To evaluate the association between antioxidant capacity and MetS, adiponectin, high-sensitivity C-reactive protein (hs-CRP), interleukin-6, tumor necrosis fac-tor- α, and homeostatic model assessment for insulin resistance (HOMA-IR), lin-ear regression and logistic analyses were performed. Results: The mean BAP of the MetS group (1,937.3 ± 36.5 μmol/L) was significantly lower than that of the non-MetS group (2,101.7 ± 29.5 μmol/L). Also, the mean BAP was low in persons having low high density lipoprotein and high triglyceride. Reduced antioxidant capacity was significantly associated with adiponectin, HO-MA- IR and hs-CRP after adjusting for age and sex. The odds ratios for MetS with BAP, log adiponectin, log HOMA-IR, and log hs-CRP were 0.63 (95% confidence interval [CI], 0.49 to 0.82), 0.22 (0.10 to 0.51), 14.24 (4.35 to 46.58), and 1.93 (1.36 to 2.75), respectively. Conclusions: Persons with MetS showed reduced antioxidant capacity. We identi- fied relationships between antioxidant capacity measured by BAP test and MetS, as well as MetS-related factors, such as insulin resistance, hs-CRP, and adiponectin.
( Hee Sun Kim ),( Su Jung Baik ),( Kyung Hee Kim ),( Cho Rong Oh ),( Jung Hyun Lee ),( Wan Jae Jo ),( Hye Kyoung Kim ),( Eun Young Kim ),( Min Jung Kim ) The Editorial Office of Gut and Liver 2013 Gut and Liver Vol.7 No.5
Background/Aims: In South Korea, health check-ups are readily accessible to the public. We aimed to compare the prevalence of upper gastrointestinal (GI) and lower GI diseas-es in Korean Americans and native Koreans to determine dif-ferences and risk factors. Methods: In total, 1,942 subjects who visited Gangnam Severance Hospital from July 2008 to November 2010 for a health check-up were enrolled. Basic characteristics and laboratory data for the subjects were col-lected. Esophagogastroduodenoscopy and colonoscopy were performed. In total, 940 Korean Americans (group 1) and 1,002 native Koreans (group 2) were enrolled. Results: The overall prevalence of GI diseases for each group (group 1 vs group 2) were as follows: reflux esophagitis (RE) (9.65% vs 7.9%), gastric ulcer (2.8% vs 3.4%), duodenal ulcer (2.3% vs 3.6%), gastric cancer (0.4% vs 0.3%), colorectal polyp (35.9% vs 35.6%), colorectal cancer (0.5% vs 0.5%), and hemor-rhoids (29.4% vs 21.3%). The prevalence of hemorrhoids was significantly higher in group 1 than in group 2 (p=0.001). In the multivariable analysis of group 1, male sex, age over 50 years, hypercholesterolemia and hypertriglyceridemia predicted colorectal polyps. Male sex and high fasting glu-cose levels were associated with RE. Conclusions: Our study showed that the prevalence of GI diseases (except hemor-rhoids) in Korean Americans was similar to that observed in native Koreans. Therefore, the Korean guidelines for upper and lower screening endoscopy may be applicable to Korean Americans. (Gut Liver 2013;7:539-545)