• Title/Summary/Keyword: home-and-away

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Electromagnetic Wave and EMF Attenuation by Shielding Materials in home appliances (가전제품 전자파 현황 및 차폐재에 의한 감쇄 효과)

  • Cho, Jae-Cheol;Park, Jae-Hwan
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.9 no.6
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    • pp.711-718
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    • 2019
  • Spectrum analyzer and electromagnetic field meter were used to investigate the EM generation behaviour in different types of home electrical appliances. During microwave oven operation, the EM power measured at a point 30cm apart was measured in the range of 8~11mW/㎡, the strength of the low frequency magnetic field was 60~80mG and the electric field strength was measured at 150~160V/m. For smart phone wireless charging pad, it was measured at an electromagnetic power of 0.4mW/㎡, an electric field of 160 V/m and a magnetic field of 1mG at a point 10cm away. For microwave oven and wireless charging pad, if used within 10cm, the size of the electric field has been measured at a large value that exceeds the human body protection standard and may be hazardous to humans. On the other hand, home appliances such as TVs, hairdryers and refrigerators all showed very low levels of electromagnetic waves, electric fields and magnetic fields, with no harmful effects seen. For electromagnetic shielding, the metal Cu fabric and metal foil had a high level of EM shielding, while polymer films had a low EM shielding characteristic.

Classification of Adolescent Suicide Based on Student Suicide Reports

  • Kwon, Hoin;Hong, Hyun Ju;Kweon, Yong-Sil
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • v.31 no.4
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    • pp.169-176
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    • 2020
  • Exploring the risk factors of adolescent suicide is important for effective suicide prevention. This study explored the clustering of adolescent suicides based on six risk factors: mental disorder, broken family, depression, anxiety, previous suicide attempts, and deviant behaviors. Using 173 student suicide reports obtained from the Ministry of Education, we evaluated the associations between suicide and variables related to mental disorders; dysfunctional family life; depression and anxiety; previous suicide attempts; deviant behaviors such as drinking and smoking; and school life characteristics, including attendance and discipline, problems within the past year, and incidents prior to suicide. In addition, reports of warning signs just before suicide were included in the analysis. The two-stage cluster analysis classified the students into three clusters: the silent type (cluster 1; 48.55%), in which no risk factors were observed; environmental-risk type (cluster 2: 24.28%), which featured a high frequency of broken households, deviant behaviors such as smoking/drinking and running away from home; and depressive type (cluster 3: 27.17%), which featured a high frequency of mental health problems such as depression, anxiety, and suicide attempts. Identifying the sub-types of adolescent suicide may help to inform tailored suicide prevention and intervention strategies in school.

A Study on Clothing Materials Applying Woolsmok (울 스모크(Woolsmok)를 응용한 의상 소재에 관한 연구)

  • 오연옥
    • Journal of the Korea Fashion and Costume Design Association
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    • v.5 no.2
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    • pp.57-64
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    • 2003
  • The rapid development of information media in the 21th century has given rise to the acceleration of fashion change and its diversification due to individual lifestyle, the personification and differentiation of consumers. This has got away from the function-centeredness of clothing and awakened people to the important task of hi-tech new materials development and design development. We immediately need to develop the measure to cope quickly and properly with changes in the dwindled fabric market. Consumers; needs are personified and diversified and the cycle of fashion materials become curtailed. From this perspective, this study attempted to manufacture the material for capable of satisfying consumers; psychology and needs with the handicraft based on the multi-item and small-quantity production system. This study attempted to present the possibility of differentiating products and developing diverse materials by applying the Woolsmok technique. It is expected that the development of these materials will not simply stay at the level of handicraft but contribute to the competitive materials of creativity and aesthetics by inducing it to be applicable to the industrial world and activate them as differentiated high-grade clothing materials for consumers at home and abroad.

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The Effects of College Students' Sociotropy and Ambivalence over Emotional Expressiveness on Interpersonal Problems (대학생의 관계지향성이 대인관계문제에 미치는 영향: 정서표현양가성의 매개적 역할)

  • Park, Jiae;Han, Sae-Young
    • Journal of Families and Better Life
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    • v.34 no.5
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    • pp.135-150
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    • 2016
  • The purpose of this study was to examine the effects of sociotropy, as perceived by college students, and ambivalence over emotional expressiveness on their interpersonal problems. A total of 248 college students (127 males and 121 females) living in Seoul and Gyonggi responded to questionnaires, which included items related to sociotropy, ambivalence over emotional expressiveness, and interpersonal problem. First, college students' sociotropy was correlated with ambivalence over emotional expressiveness and interpersonal problems. It was suggested that people with high level of sociotropy experienced more emotional expressive conflict and interpersonal problems than people with low level of sociotropy. Second, male and female college students' ambivalence over emotional expressiveness partially mediated the relation between sociotropy and move toward other people, one of the interpersonal problem's subtypes. Male college students' ambivalence over emotional expressiveness has fully mediated the relation between sociotropy and move against other people, one of the interpersonal problem's subtypes. And female college students' ambivalence over emotional expressiveness has fully mediated the relation between sociotropy and move away from other people, one of the interpersonal problem's subtypes. According to gender difference, different interpersonal problems appeared. This study's results may provide some important suggestions for interpersonal problems in college students by increasing understanding of multiple dimensions according to their internal tendency and emotional expressiveness.

Knowledge and Attitudes of Food Safety among Hospitality and Culinary Students

  • Cha, Myeong-Hwa;Park, Jyung-Rewng
    • Preventive Nutrition and Food Science
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    • v.10 no.1
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    • pp.68-73
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    • 2005
  • A significant number of cases of illness has been attributed to food consumption in restaurants, and as the number of meals eaten away from home continues to rise, the potential for large-scale, foodborne illness outbreaks will continue to increase. It is critical that hospitality and culinary arts students preparing for careers as professionals in foodservice establishments or restaurants have an appropriate understanding of food safety. The level of food safety knowledge was similar between hospitality and culinary arts students, and an analysis of 266 questionnaires indicated that specific areas, such as hand washing, cross contamination in refrigerator, reheating leftovers, refrigeration of cooked food within two hours, proper temperature of food storage, using of thermometers to monitor temperatures, proper egg handling, and possible food borne illness caused by fruits, should be the primary focus of educational resources. Student respondents showed a higher awareness level of responsibility in their roles for food safety, but more emphasis needs to be given to the correct understanding of food safety issues. Hospitality and culinary arts educators can use this precise information to develop food safety education materials and programs to assist in the prevention of foodborne illness and to knowledgeably educate their graduates about food safety.

A Study on the Application and Assessment of Urban River Restoration in the Anyang River (안양천 도시하천 복원의 실행과 평가에 관한 연구)

  • Lee, Sam-Hee;Choi, Jung-Kwon
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.10 no.1
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    • pp.1-8
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    • 2007
  • The Anyang River which located in an urban area near Seoul had been managed focusing on supplying home and industrial water and preventing floods, coping with rapid industrialization and urbanization. Consequently, it was changed into a deadly river during 25 years. Its channel was straightened by concrete and water quality deteriorated to BOD 190mg/l. In addition, water quantity has been rapidly decreased and has been drying up. Also, as the river ecosystem, landscape, water-friendly function, and so forth were seriously deteriorated, people turn away from the urban river. From 2001, the master plan under the 10-year has been actively carried out centering on the preceding items, which are healthy river in which fishes inhabit, safe river free from floods and droughts, and pleasant river where citizens visit. As a result, its water quality was remarkably improved by BOD 5mg/l in 2005 and some upper zones were improved enough to allow people to swim. Moreover, various animals including fish and birds gather around the river. Now, the 'Anyang River Restoration Project' is recognized as the first comprehensive and systematic nature-friendly urban river improvement in Korea.

The Relationship Between the Food Habit and the Health Responses to the Todai Health Index (식습관(食習慣)과 건강상태(健康狀態)와의 관계성(關係性)에 관(關)한 연구(硏究))

  • Lim, Hyeon-Sook
    • Journal of Nutrition and Health
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    • v.14 no.1
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    • pp.9-15
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    • 1981
  • This study was undertaken to investigate the relationship between the food habit and the health status. For this Purpose, 709 junior and senior high school teachers were studied by the questionnaire sheets; one was for the food habit and the other was for health complaints. (the standarized questionnaire designated Todai Health Index.) The results obtained were as follows, 1) Mean score of the food habit was 10.99 in males and 12.17 in females. The balanced dietary intake was associated with the ideal body weight. 2) In males and females with low food habit score than in those with high food habit score, THI point in sufferings, digestive organs, straight-forwardness, depression and life irregularity were higher. In males with low food habit score, THI point in nervousness was higher. In females with low food habit score, THI point in respiratory organs was higher. On the contrary the male subjects with high food habit score showed higher THI point in vanity and the female subjects with high feed habit score shewed higher THI point in vanity and nervousness. 3) Persons living alone showed a high tendency to eating away from home and to having low score of food habit. 4) Persons with low food habit score showed a high tendency to eating instant foods and considered themselves having poor health status.

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A Case Study of Sandplay Therapy with a Middle-Aged Woman Having Difficulty in Relationships (관계에 어려움이 있는 중년기 여성의 모래놀이치료 사례연구)

  • Sim, Hee-og
    • Human Ecology Research
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    • v.55 no.3
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    • pp.303-319
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    • 2017
  • This study explored the sandplay therapy case of a middle-aged woman having difficulty with interpersonal relationships and wanting to increase her self-identity. The goal of the therapy was to change her relationships with others by self-examination and becoming conscious of her negative animus and femininity in a free and protected space provided by sandplay therapy. Forty-five therapy sessions were held. The client exhibited her lonesomeness and fantasies by making sandtrays of a house she would like to live in, a park she would like to relax at and dreams she would like to fulfill in the initial phase of therapy (1~8, Who am I?). In the intermediate phase of therapy (9~33, Meeting myself), she displayed scenes of her negative self and breaking away from her negative self by making sandtrays of shadows, deaths, creations, a soaring scene and a disappearing alligator. In the final phase of therapy (34~45, Discovery of the real Self), she showed scenes of her meeting a positive self by making sandtrays of hope, coexistence, start, harmony and community. This study showed the effectiveness of sandplay therapy since the client' relationships with others were improved through her self-awareness by sandplay therapy in the free and protected space.

A herbalogical study on the plants of Aspleniaceae in Korea (한국산 꼬리고사리과 식물에 관한 본초학적 연구)

  • Jeong, Jong-Gil
    • The Korea Journal of Herbology
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    • v.26 no.4
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    • pp.59-65
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    • 2011
  • Objective : For the purpose of developing Korean herbalogy of the plants to Aspleniaceae in Korea, the literatures of the successive generations have been thoroughly investigated to prepare this article. Methods : The examined herbalogical books and research paper which published at home and abroad. Results : 1. There are 2 genera and 21 species in Aspleniaceae in Korea and among them medicinal plants are 2 genera and 10 species, some 48% in total. 2. Asplenium genus is a main kind in that it has 20 species among 21 species in Aspleniaceae of which medicinal plants are 9 species. 3. The Herb play medicinal parts if most plants in the Aspleniaceae have the effect of a medicine, the 10 species of which are used for medical care. 4. According to nature and flavor of medicinal plants in the Aspleniaceae, the cold medicinal plants and the bitter medicinal plants take the highest number of them 5. According to the properties and principal curative action, they were classified into drugs for hemostatic 10 species, drugs for clearing away heat 8 species, drugs for detoxification 7 species respectively. 6. None of the species of Aspleniaceae have been found to be toxic. Conclusions : There are totaled to 2 genera and 21 species in Aspleniaceae in Korea and among them medicinal plants are 2 genera and 10 species some 48% in total.

Dietary behavior of college students in Kangreung Area on Convenience food (대학생들의 편의식 이용실태에 관한 연구(강릉지역을 중심으로))

  • 김혜영;정수진
    • Korean journal of food and cookery science
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    • v.18 no.4
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    • pp.440-447
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    • 2002
  • The usage status of convenience food, convenience food restaurants and satisfaction level was surveyed from local college students in Kangreung to provide fundamental data for developing more appropriate convenience food. The subjects (80.4%) answered that they are quite aware of convenience food or to some degree. They normally consumed convenience food in the convenience food restaurants (48.85%). In many cases they took it as a snack (69.6%), and the most frequently consumed item was ramyun (45.8%). The main reason for consuming convenience food was to save time (44.8%). Regarding the price and sanitation level of convenience food, only 17.2% and 22% were satisfied, respectively. The results of analyzing the usage status and the satisfaction level with convenience food by gender and housing status showed that the highest rate of people (46.0%) answered that, "because it is convenient" was the main reason for using convenience food restaurants. Female students (P$\leq$0.014) and the students staying away from home used convenience food restaurants more often than male students and the students staying in their own homes. Especially the students who have to cook for themselves fell into the high rate of convenience food restaurant users (P$\leq$0.001). The convenience food restaurant with the highest usage rate was hamburger restaurant (38.8%).