• Journal of the Korean Society of School Health
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• v.3 no.1
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• pp.19-47
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• 1990

The purpose of this study was to investigate the high school teachers' sexual knowledge, attitude and their need of sex education for the students in Seoul. These data were collected by questionnaire in Oct. 1989. The result was compared by the type of teacher (school health nurse and high school teacher), involving in sex education or not, age, marital status and religion. The major findings of this study were as follows: 1. The mean score of sexual knowledge of the school health nurses was higher than the high school teachers. (P<0.05) (the average correct answer rate:the school health nurses=80.85%, the high school teachers=62.65%)Female teachers who were involved in sex education got higher score than the male high school teachers and female teachers who were not. (P<0.05) The married female high school teachers got higher score than never-married. (p<0.05) 2. About the sexual attitudes, the respondents were asked in the Likert's four-point scale with 3 groups of questions that were anatomical and physiological terminology about sex, normal sexual life and immoral sexual life. About anatomical and physiological terminology about sex, they had a little positive feeling. (mean score= 2.62) The school health nurses and the male high school teachers had more positive feeling than the female. (P< 0.05) Also the aged and married male high school teachers had more positive feeling than others. (P<0.05) About normal sexual life, they had a little positive feeling and moderately permissive attitude. (feeling mean score=2.96, attitude mean score=3.23) The school health nurses and the male high school teachers had more positive feeling than the female. (P<0.05) And the male high school teachers had more permissive attitude than the female. (P<0.05) About immoral sexual life, they had strongly negative feeling and conservative attitude. (feeling mean score =3.49, attitude mean score=3.35) The school health nurses the female high school teachers had more negative feeling and conservative attitude than the male. (P<0.05) And the male protestant high school teachers had more conservative attitude than no-religion group. (P<0.05) 3. There was a weak correlation between sexual knowledge and attitude. 4. There was no significant difference about starting of sex education between the school health nurses and the high school teachers. (P>0.05) Generally, they answered that the starting of sex education about physical growth and development could bp given with the students' physical growth and development. But for the sex education about emotional and social development, they answered that the education should be given later than the emotional and social development of students. 62.1% of the school health nurses did sex education and 36.5% of the high school teachers did. The common contents of sex education were intersexual-fellowship(date), venereal disease and marriage. And the education about abnormal sex-behavior. divorce and sexual intercourse was given rarely.

• Proceedings of the Korean Society of Veterinary Pathology Conference
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• 2005.11a
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• pp.62-62
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• 2005

• Proceedings of the Korea Environmental Mutagen Society Conference
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• 2004.05a
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• pp.62-62
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• 2004

• Bulletin of the Korean Chemical Society
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• v.16 no.1
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• pp.62-65
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• 1995

New compounds of melaminium 2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane-4-methoxy-sulfate have been synthesized and characterized by means of chemical analysis, 1H, 13C, and 31P NMR, and IR spectroscopies. When the compounds are subjected to an open flame, they foam without melting to produce a light char with about 50 times volume of the initial compounds. The evaluation of these flame-retardants proves to be efficient for polypropylene. Thermogravimetric analysis discloses that the compounds are also thermally stable for compounding into polypropylene without decomposition.

• Kyungpook Mathematical Journal
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• v.62 no.4
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• pp.615-640
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• 2022

In this paper, we investigate a time-dependent double obstacle problem associated with the model of European call option pricing with transaction costs. We prove the existence and uniqueness of a W^2,1_p,loc solution to the problem. We then characterize the behavior of the free boundaries in terms of continuity and values of limit points.

• Journal of Environmental Science International
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• v.17 no.2
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• pp.233-237
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• 2008

The objective of this study was conducted to evaluate the effects of poultry litter amendments on pH and soluble reactive phosphorus (SRP) in poultry litter. Two laboratory studies were conducted for 42 d in Exp. 1 and for 10 d in Exp. 2, respectively. The poultry litter was treated with various amendments which included 4 g fly ash and 4 g $AlCl_3\;(AlCl_36H_2O)/100g$ litter in Exp. 1 and 4 g alum$(Al_2(SO_4){_3}\;14H_2O)$, 8 g alum, 8.66 g liquid alum, and 17.3 g liquid alum/100 g litter in Exp. 2; untreated litter served as controls. There were no differences in pH between control and T1(4 g fly ash) and SRP contents between T1(4 g fly ash) and T2(4 g $AlCl_3$) in Exp. 1. A significant difference in pH and SRP contents in Exp. 2 was observed among all treatments(P< 0.05). In experiment 1, T1(4 g fly ash) and T2(4 g $AlCl_3$) at 42 d decreased SRP in litter by 47.1% and 62.6% of that from litter alone, respectively. In experiment 2, T1(4 g alum), T2(8.66 g liquid alum), T3(8 g alum), and T4(17.3 g liquid alum) treatments at 10 days reduced SRP contents by up to 36.2%, 62.9%, 87.0%, and 83.9%, respectively, when compared with the controls. Decrease in SRP contents was chiefly associated with reduction in litter pH. These results indicate that use of various litter amendments to limit P solubility has potential and should be pursued as a means of reducing soluble reative phosphorus during short term.

• Journal of Animal Science and Technology
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• v.62 no.1
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• pp.94-102
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• 2020

This study aimed to investigate the possibility of replacing the isolated soy protein (ISP) as a binding agent for wheat, oat, and bamboo shoot dietary fibers. Dietary fibers and ISP were added to manufacturing process of pork emulsion, respectively, for investigate quality properties. Moisture contents of pork emulsion added wheat fiber-treated group was significantly higher than ISP-treated group (p < 0.05), and protein contents of dietary fiber-treated group were significantly lower than ISP-treated group (p < 0.05). Raw pork emulsion CIE a^⁎ value of oat, bamboo shoot fiber-treated group were significantly lower than ISP-treated group (p < 0.05). After cooking pork emulsion CIE L^⁎ value of dietary fiber-treated group were significantly higher than ISP-treated group (p < 0.05). Raw pork emulsion water holding capacity (WHC) of wheat, oat fiber-treated group were significantly higher than ISP-treated group (p < 0.05), and cooked pork emulsion WHC of wheat, bamboo shoot fiber-treated group were higher than ISP-treated group (p < 0.05). Cooking loss of ISP-treated group was significantly higher than dietary fiber-treated group (p < 0.05), and viscosity of ISP-treated group was lower than dietary fiber-treated group. Hardness of ISP-treated group was significantly lower than dietary fiber-treated group (p < 0.05); however, cohesiveness of ISP-treated group was significantly higher than dietary fiber-treated group (p < 0.05). In conclusion, dietary fiber added as binding agent to manufacturing process of pork emulsion was suitable to replacing ISP.

• Journal of the Korea Convergence Society
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• v.12 no.11
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• pp.521-531
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• 2021

The aim of this was to examine the mediating effect of resilience in the relatioinship of stress to emotional intelligence in nursing students experienced COVID-19. The participants in this study were 179 nursing students in 3rd and 4th grade and data were collected using self-reported questionnaires. Data were analyzed using the SPSS/WIN 25.0 program, with descriptive statistics x2-test, t-test, ANOVA, Pearson's correlation. There were significant correlations between college based stress and emotional intelligence(r=-.33, p<.001), clinical based stress and emotional intelligence(r=-.31, p<.001), resilience and emotional intelligence(r=62, p<.001). Resilience showed partial mediating effects in the relationship between college-based stress and emotional intelligence. Resilience showed full mediating effects in the relationship between clinical-based stress and emotional intelligence(Z=-3.07, p<.001). Based on the findings of this study, the enhancement of resilience may positively affect the emotional intelligence of the nursing students, even while they are stress. Therefore, it is necessary to develop effective strategies to enhance resilience for stress.

• The Korean journal of internal medicine
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• v.39 no.3
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• pp.501-512
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• 2024

Background/Aims: Optimal risk stratification based on simplified geriatric assessment to predict treatment-related toxicity and survival needs to be clarified in older patients with diffuse large B-cell lymphoma (DLBCL). Methods: This multicenter prospective cohort study enrolled newly diagnosed patients with DLBCL (≥ 65 yr) between September 2015 and April 2018. A simplified geriatric assessment was performed at baseline using Activities of Daily Living (ADL), Instrumental ADL (IADL), and Charlson's Comorbidity Index (CCI). The primary endpoint was event-free survival (EFS). Results: The study included 249 patients, the median age was 74 years (range, 65-88), and 125 (50.2%) were female. In multivariable Cox analysis, ADL, IADL, CCI, and age were independent factors for EFS; an integrated geriatric score was derived and the patients stratified into three geriatric categories: fit (n = 162, 65.1%), intermediate-fit (n = 25, 10.0%), and frail (n = 62, 24.9%). The established geriatric model was significantly associated with EFS (fit vs. intermediate-fit, HR 2.61, p < 0.001; fit vs. frail, HR 4.61, p < 0.001) and outperformed each covariate alone or in combination. In 87 intermediate-fit or frail patients, the relative doxorubicin dose intensity (RDDI) ≥ 62.4% was significantly associated with worse EFS (HR, 2.15, 95% CI 1.30-3.53, p = 0.002). It was related with a higher incidence of grade ≥ 3 symptomatic non-hematologic toxicities (63.2% vs. 27.8%, p < 0.001) and earlier treatment discontinuation (34.5% vs. 8.0%, p < 0.001) in patients with RDDI ≥ 62.4% than in those with RDDI < 62.4%. Conclusions: This model integrating simplified geriatric assessment can risk-stratify older patients with DLBCL and identify those who are highly vulnerable to standard dose-intensity chemoimmunotherapy.

• The Transactions of the Korean Institute of Electrical Engineers D
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• v.55 no.2
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• pp.62-64
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• 2006

The emerging peer-to-peer (P2P) model has recently gained a significant attention due to its high potential of sharing various resources among networked users. Super-peer based unstructured P2P systems have been found very effective by dividing the peers into two layers, super-peer and ordinary-peer Super-peers deal with all queries instead of ordinary-peers. The existing P2P systems assume all super-peers have equal responsibility and capabilities even if all super-peers have relative advantages and disadvantages. In this paper, we suggest the ISP2P (Intelligent Super-peer based P2P) which allows to select the best super peer to ordinary-peers. We classify super peers according as the capacity of an ordinary-peer a super-peer. We show that these considerations could improve the performance of the response time and Provide higher quality results to all peers in the network.