• Journal of Life Science
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• v.33 no.8
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• pp.639-650
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• 2023

The levels of harmful components in aerosols from heated tobacco products (HTPs) have been reported to be significantly lower than in cigarette smoke. However, it remains unclear whether the use of HTPs can mitigate the cardiovascular risks associated with cigarette smoking (CS). The objective of this study was to investigate the effects of a short-term switch from CS to HTP use on cardiac autonomic regulation (CAR). Seven healthy male smokers completed an open-label, randomized, cross-over trial consisting of five days of CS, use of three different HTPs (IQOS use, IQ; lil SOLID use, LS; lil HYBRID use, LH), or non-smoking (NS). Each session was separated by a one-week washout period, and levels of exhaled carbon monoxide (CO) and carboxyhemoglobin (COHb), systolic (SBP) and diastolic blood pressure (DBP), and heart rate variability (HRV) reflecting CAR were assessed before use of the product assigned to each session and at 24, 48, 72, 96, and 120 hr after use. Levels of exhaled CO and COHb were statistically significantly reduced only during NS. There were no statistical changes in SBP and DBP within any session. However, in HRV spectral analysis, log-transformed high frequency (lnHF) increased statistically significantly in IQ, LS, and NS, respectively. Normalized HF (HFnu) was significantly increased in NS and LH, respectively. lnHF and HFnu showed significant interaction effects. The findings of this study suggest that a short-term switch to HTPs instead of CS may lead to different distribution patterns of CAR, primarily driven by enhanced cardiac vagal tone.

• Journal of Korean Home Economics Education Association
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• v.35 no.2
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• pp.133-144
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• 2023

The goal of this study was to improve environmental awareness by systematically developing a hands-on online lesson for adults on making drink bags by upcycling discarded umbrella cloth. The lesson was developed using an ADDIE model. During the analysis stage, the instructional design direction was established based on the findings of previous studies. In the design stage, the operation of practical classes in the online environment was specifically planned. The contents of education and the training time were also determined. The materials developed during the development stage included a kit and theoretical information containing images to raise awareness of environmental pollution and the significance of upcycling, as well as videos and photos. During the implementation stage, two sessions were held three months apart. A total of 36 adults participated, with 18 participants in each session. In the evaluation stage, the first session participants provided feedback on class satisfaction, which led to improvements. Positive feedbacks were received from the second session participants, who expressed satisfaction with the smooth communication and easy approaches to the learning materials. In both instances, the surveys on environmental consciousness and attitudes yielded an overall average score of 4.27, indicating a generally positive evaluation.

• The KIPS Transactions:PartC
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• v.10C no.2
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• pp.155-162
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• 2003

Fast restoration time and service guarantee are the important goals to achieve the network reliability. In the protection switching scheme, one way to guarantee service fro an application session if a network happens to fail is to establish the restoration path that amounts to the same bandwidth of the working path of the session at the same time. When we setup the restoration path, we can reduce the bandwidth consumption by the restoration path if the path can share the bandwidth required by the other paths. This paper explains the methods how to determine the shared bandwidth of the restoration path in the protection switching scheme, given the maximum bandwidth assigned to a link along the working path. We point out that such sharing algorithm can not reduce the bandwidth consumption by the restoration paths in some cases, which contradict the general conception. We explain why this can happen, and show the simulation results in real network topologies to prove our arguments. We explain the reason of the failure of the sharing effect by the simple sharing algorithm. Finally we propose the way of how we can overcome the failure of the sharing effect, using the complete sharing algorithm based on the link database and showing the results.

• Journal of Music and Human Behavior
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• v.5 no.2
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• pp.41-66
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• 2008

This study investigated the effects of traditional percussion improvisation to hearing-impaired college students who are under stress. For the research, between 21 to 22 years old four hearing-impaired college students, who could do lip reading, were chosen. In quantity program, improved version of college student stress measuring method which invented by Gyoung-gu Jun and Gyo-hyeon Kim(1991) were applied, and graphs has been used for analysis. In quality program, for reliability, the researcher and two music therapists observed and analysed it. The period of research was from Dec 26, 2007 to Feb 21, 2008. There were total twenty sessions and two sessions were assigned for each week. One was 40 minutes individual session, and the other one was 50 minutes group session. Even though auditory function is critical in music playing or listening, this study showed the positive results of the therapeutic use of music on stress management for college students with hearing impairment. Future studies are important to continue to investigate the effectiveness of music therapy for hearing impaired clients who are under stress with various age range.

• Journal of Korean Library and Information Science Society
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• v.47 no.2
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• pp.417-436
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• 2016

The aim of this study is focused on knowing what bibliotherapists experience while they are in a session with their clients in library settings. Qualitative interviews were conducted as the main research tool or method used for this study. The study participants included 12 bibliotherapist respondents specializing in library. They were divided into two groups of 6 and each group was interviewed for approximately 2 to 3 hours. The interview employed a question asking methodology modified from that presented and/or originally used by Kruger and Casey(2000). The interview utilized open ended questions in the order of starting, introduction, main, and ending questions. Analyses of the interviews were based on methods presented by Morgan and Scannell(1998). Results of the study show that experiences through therapy sessions consisted of 7 different themes, 26 specific categories, and 84 unique concepts. The purpose of the study was to observe the problems bibliotherapist have or may encounter in library settings, provide feedback to make each session better, and as a result, help both the library and bibliotherapist during the bibliotherapy process.

• Journal of Oriental Neuropsychiatry
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• v.13 no.1
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• pp.39-52
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• 2002

The present experiments were designed to study the influence of Baekgumhwan on immune function of ICR mice under stress condition. Baekgumhwan was orally administered to the mice for 15days. on the 11th day the mice subjected to electric footshock for 5days(2 session a day, 11 footshocks a 31 min-session). B/T cell populations in splenocytes were studied by FACS analysis and cytokines($IFN-{\gamma}$ rand IL-10) production of the mouse splenocytes treated with PHA were studied by sandwich ELISA assay on the 15th day. The results were as follows. 1. After electric footshock, mice became sluggish and crowded to one side of the cage. Increased B/T cell populations in splenocytes were observed. These results confirm that electric footshock caused stress inducing immunological and behavioral changes in ICR mice. 2. Baekgumhwan administration without stress increase B cell populations in splenocytes, but T cell populations and cytokines($IFN-{\gamma}$ and IL-10) production of the mouse splenocytes treated with PHA maintain as similar levels as in the normal group. 3. Baekgumhwan administration with stress significantly antagonized the effect of electric footshock on behavior, increased B cell populations in splenocytes, so maintain as similar levels as in the normal group. cytokines($IFN-{\gamma}$ rand IL-10) production of the mouse splenocytes treated with PHA maintain as similar levels as in the normal group and T cell populations in splenocytes were increased as stress control.

• Journal of Korean Academic Society of Home Health Care Nursing
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• v.9 no.2
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• pp.69-77
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• 2002

The purpose of this study was to assessment of hospitalized patients. Nutritional assessment was performed on 353 hospitalized patients before TPN support by ideal body weight. albumin, total lymphocyte count, cholesterol. The data analysis were performed on frequency, percentage, means and standard deviation. The major findings as follows: 1. Everage NPO duration was $6.77\pm5.39$day and $\geq5$days 48.9%, >5days 51.1%. NPO duration of 1M, NL, GS, Others prolonged. 2. %IBW was everge $94.86\pm17.21%$ 43.1% normal. 37.8% low weight. There were low weight IM 44.8%. TS 47.8%, Others 44.0%. 3. Albumin was everage $2.93\pm0.51$g/dl. moderate malnutrition 45.4%, mild malnutrition 30.9%. All session were malnutrition status. 4. Total lymphocyte count was ever age $960.41\pm721.32cell/mm^2$. severe malnutrition 43.9%. moderate malnutrition 29.0%, mild malnutrition 24.4%, normal 2.7%. All session were malnutrition status. 5. Cholesterol was everage $123.02\pm45.67$mg/dl 58.4% low level. 41.2% normal. 0.4% high level. 1M, GS and TS were low level. NL, NS, DR, Others were normal. It was very poor nutritional status before TPN support of patients. The malnutrition decrease immunity, slowly cure injury, cause abnormality organs, increase the complication and obstruct the recovery. Therefore, Evaluating and correcting are very important.

• Journal of KIISE:Information Networking
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• v.29 no.5
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• pp.543-552
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• 2002

Wireless Session Protocol(WSP) which was updated and supplemented based on HyperText Transfer Protocol(HTTP) was designed by Wireless Application Protocol(WAP) forum regarding the characteristics of wireless environment. WSP improved the performance in wireless network, and introduced various facilities considering wireless environment. In this paper, we more improve the performance of WSP adding protocol message compression capability; we cail improved WSP protocol as WSP+. And, we analysis the performance of each protocol with WSP and WSP+ implementation. As a result of experiment, the capability which proposed in this paper reduced a response traffic about 45%. In $10^{-4}$ bit error rate, we also found the packet loss rate and time delay per transaction of WSP+ was improved over 40%. Finally, we found that the protocol message compression capability reduces message retransmission count in transaction layer and shorten the delay time per transaction by reducing a message size.

• Korean Journal of Social Welfare
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• v.59 no.3
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• pp.281-304
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• 2007

The purpose of this study is to verify the applicability of concept mapping in the process of planning of network outcomes in social welfare. Planning and evaluation of network outcomes involve many stakeholders. Recognizing the value and range of individuals' perspectives in the creation of a common framework is one of the biggest methodological challenges for planning of network outcomes. Concept mapping is a kind of methodology that creates a stakeholder-authored visual geography of ideas from a group. It uses both a quantitative and qualitative approach, including brainstorming, structuring the statement, specific analysis and data interpretation methods to produce maps that can then be used to guide planning and evaluation efforts on the issues that matter to the group. 13 network managers who work in the social welfare centers in Busan are core participants. The 50 statements on network outcomes from brainstorming session fell into six distinct clusters. After the interpretation session these clusters were rated according to the seven rating scales. This paper explores applicability of concept mapping in the process of planning of network outcomes in social welfare. Concept mapping helps stakeholders with different value and ideas about network outcomes to consensus on common conceptual framework. In addition, a multidimensional conceptualization of network outcomes was made. It will assist in designing future outcomes evaluation and guide the evaluators through a selection of key activities and outcomes.

• Journal of Family Resource Management and Policy Review
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• v.17 no.1
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• pp.139-158
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• 2013

This research aimed to determine how a combined yoga and tea meditation program would affect the happiness of adolescents. The investigation was conducted over a total of 11 sessions held twice a week with 15 female middle-school students. Each session lasted 90 min and comprised preparation for 5 min, Hatha yoga for 50 min, tea meditation for 15 min, the expression of feelings for 15 min, and 5 min were allocated to finishing the program and announcing the next session time. A t-test was performed before and after the program to analyze the effects of the program. A goodness of fit test, which is related to the improvement of happiness, was done through a path analysis. As a result, we were able to determine meaningful changes in the t-test scores of happiness, stress, and quality of life. The scores of mindfulness, physical self-concept, and self efficiency changed positively, but meaningful changes were not shown. To derive a final conclusion, we verified the mediator effect with respect to happiness through a structural model. Consequently, physical self-concept was activated as a promoter for improving self-efficiency and mindfulness. Mindfulness was the key factor that improved the happiness of the adolescent subjects.