• Title/Summary/Keyword: Living material

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The Development of Soundproof System for the Blasting Noise Reduction in Tunnels (터널 발파소음 감쇠를 위한 방음시스템 개발)

  • 노상림;김욱영;조영천;이상필;유지영
    • Explosives and Blasting
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    • v.22 no.1
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    • pp.67-74
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    • 2004
  • Blasting in urban area has become a serious issue in our living because it causes inconvenience to the resident living by construction area. Therefore, the practical solution and the better method for reducing blasting noise are highly required. However, finding practical solutions for the blasting noise is very difficult due to the lack of basic data and insufficient existing research. In order to overcome the limitation of existing sound barrier, we applied a new material to multi-layer soundproof system in the construction site, Kuksabong Tunnel in Yang Nyung-Ro. The statistical method was used to analyze blasting noise data. Through all these processes, it was verified that the soundproof system in this study was very effective method to decrease blasting noise.

Effect of a Resident and Indoor Environmental Characteristics on the House Dust Mites Allergen (주거환경 특성에 따른 집먼지진드기 항원량에 관한 조사)

  • Kim, Yong-Soon;Park, Jee-Won;Song, Young-Shin
    • Research in Community and Public Health Nursing
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    • v.13 no.1
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    • pp.79-88
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    • 2002
  • Purpose: The purpose of this study was to identify the indoor environment i.e. house type and age, ventilation method, use of bed & sofa, cockroach, ants, etc. on HDM (House dust mites), especially Der fI allergen. Method: Samples of dust from mattresses, pillows and the floor were collected by using a vacuum cleaner from April. 2000. The amount of Group I allergen(Der. fI) of HDM (house dust mites) were measured by two-site ELISA. Indoor Environmental characteristics were accessed by using questionnaires on 178 house wives living in the Seoul area. Results: The amount of HDM allergen (Der fI) was higher in sofa using house. There were higher concentrations of HDM allergen (Der fI) in sofas made from quilt material than for those that were made from leather. Homes that had pets like dogs living in them had higher concentrations of HDM allergen (Der fI) than without dogs. Conclusion: The photophobic mites thrive in dark. warm and humid environments; Items such as pillows. mattresses, box springs, blankets. carpets. and upholstered furniture should be considered ideal environments for the mite. Therefore, an indoor environmental control program should be carried out to avoid the HDM allergen.

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Oxidative Stability of Korean Traditional Cake added Ginseng (인삼을 첨가한 한과 강정의 산화안정성에 관한 연구)

  • Lee Jung-Suk;Chang Young-Sang;Oh Man-Jin
    • The Korean Journal of Community Living Science
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    • v.17 no.3
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    • pp.43-53
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    • 2006
  • In order to improve on the stability during the storage of Han-gwa, this study measured peroxide value, AOM test of ginseng and antioxidants added to Han-gwa. 1.2% of ginseng added to Han-gwa consists of moisture (3.37%), protein(1.30%), lipids (11.54%), carbohydrate(82.45%) and ash (1.34%). The hardness of Han-gwa was 257.7 for 1.2% of ginseng added to Han-gwa and 269.8 for Han-gwa without ginseng. The expansion coefficient of Han-gwa including 1.2% of ginseng was 12.9 magnification to Bandegi, indicating that it was inversely proportioned to the amount of ginseng. The induction period of the AOM test according to the concentration of ginseng in Han-gwa was extended to $0.53{\sim}0.83$ of magnification than the test of Han-gwa without ginseng. According to changes in AOM, acid value, peroxide value and thiobarbituric acid value of Han-gwa with various packing materials, PP multilayer film packing was the most effective material for storage of Han-gwa at 30C. 1.2% of ginseng added to Han-gwa and rosemary extract in a panel test was the most effective, and using PP multilayer film packing for Han-gwa was found to be the most useful method.

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A Study on Management of Division of Household Work and Psychological Well-Being of Married and Employed Urbanite (도시 기혼 직업인의 가사분담관리행동과 심리적 복지감에 관한 연구)

  • 이정숙
    • The Korean Journal of Community Living Science
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    • v.13 no.1
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    • pp.51-65
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    • 2002
  • The purpose of this study were to empirically verify the influence of varables on psychological well-being of married and employed urbanite and to provide a basis for promoting the quality of life. The subject of this study were 270 married and employed urbanite and interviewed with a questionnaire. The data were analyzed by SPSS/PC+ program for the frequency, mean, standard deviation, and regression analysis. The major results of this study were as follows: 1) The score of management of division of household work was a medium-level. The score of psychological well-being of married and employed urbanite was relatively high. 2) Variables that affect management of division of household work were sex, income, degree of using information, and degree of stress recognition. 3) Variables that affect psychological well-being were degree of work satisfaction, degree of income propriety, degree of stress recognition, fate control orientation and material orientation. 4) The influenced level of degree of work satisfaction on psychological well-being of married and employed urbanite was highest among the other variables.

A Study on the Composition of Village and Types of Housing in Central Java of Indonesia (인도네시아 중부(中部)자바지역(地域) 마을구성(構成) 및 주택유형(住宅類型)에 관한 연구(硏究))

  • Chong, Geon-Chai
    • Journal of the Korean Institute of Rural Architecture
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    • v.7 no.2
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    • pp.56-63
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    • 2005
  • This study is to provide basic research data of village composition and housing types of Central Java in Indonesia. So, I needed both field survey and research for 3 villages. I surveyed several houses cased on three village which located in two Desa of Salatica and one Desa of Purbowangi in rural area. The analysis of this research is divided into main categories as follow; The first is characteristics of village composition. And the second is classification of exterior form types and spatial composition of housing. Through this survey, the results of study are as follows. 1. The main elements of village compositions are public facilities, cross street including in naturalism, and shadow within high-rise tree. But it is not important to planning for orientation. 2. The types of house are 16 in all Indonesia land. But in this study 3 village are followed to Java style which has traditional roof style and clay tile material 지붕, 처마, conservation 3. Spatial composition of inner side is focused of living room-Ruang Tamu, and others are organized in small size. But recently new type of improved village house has rest room into living space.

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An Experimental Study on the Sound Insulation Performance of Korean Traditional Windows by Using a Scale Model House (축소모형주택을 이용한 전통창호의 차음성능에 관한 실험적 연구)

  • Shin, Hoon;Jang, Gil-Soo;Song, Min-Jeong
    • Journal of the Korean housing association
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    • v.17 no.5
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    • pp.47-54
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    • 2006
  • This study aims to evaluate the sound insulation performance of Korean traditional paper(Hanji) windows as a material of environmental friendly building. Six types of traditional windows with 4 types of traditional window positions, were installed in l/2.5 scale model house. And then according to KS F 2235, comparative sound level differences between outdoor and indoor were measured. The main results are as follows; 1) TL(Transmission Loss) of Korean traditional paper windows, which cover one eighth of total balcony window, are ranged from 15 to 19 dB(A) in the living room and from 8 to 11 dB(A) in the balcony space. 2) TL of Korean traditional paper windows, which cover one fourth of total balcony window, are ranged from 10 to 19 dB(A) in the living room and from 8 to 10 dB(A) in the balcony space. 3) TL of Korean traditional windows with one side-one layer paper is ranged from 10 to 21 dB(A) and two side-one layer paper is 15 to 23 dB(A) and two side-two layer paper is 19 to 23 dB(A) respectively.

A Study on Preference Colors considering Personality Types in Housing Space (성격유형에 따른 주거공간 색채선호에 관한 연구 - 거주자 특성을 고려한 주거공간 색채계획에 관한 연구 II -)

  • Kim, Soon-Mi;An, Ok-Hee;Lee, In-Hyu;Seo, Ji-Eun
    • Proceeding of Spring/Autumn Annual Conference of KHA
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    • 2009.04a
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    • pp.300-303
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    • 2009
  • The purpose of this study is to grasp the preference of colors in housing spaces by different type of personality and color preference by classifying dwellers various characteristics by MBTI to obtain basic informations for the color plan that satisfies their inner desire. The results of this study are as followed. Firstly, we could say about the color distribution of living spaces like that. The ceiling and general wall showed that N(white) systems and YR of bright tone was mostly distributed. The color of floor showed that the calm tone of YR was mostly distributed. Secondly, as for the favored colors of finishing material at each space, the biggest distribution of preference color was found as N(white) group(series) in case of ceilings. As for general walls, bright tone of N(white) group showed most in living rooms. In case of that of the floor, it showed the largest distribution of calm tone of YR. Point wall was preferred bright and brilliant in various kinds of color. Thirdly, as in favor of colors of closing materials, sensible types(S) are concentrated on common color groups, on the other hand, intuition types(N) prefer color groups of various kinds not only general preferred colors.

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The Relationship of Quality of object relation, Quality of hope, Counseling satisfaction, and Childhood depression.Attackness : Cases of Patient Children and its Mother on Play Therapy (어머니의 대상관계수준, 희망수준, 상담만족도 및 아동의 우울증.공격성과의 관계 : 놀이치료 아동 및 어머니를 대상으로)

  • Jang, Jeong-Back
    • The Korean Journal of Community Living Science
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    • v.17 no.4
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    • pp.3-14
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    • 2006
  • The purpose of this study is to find out the repercussion of mothers' quality of object relation and hope on their children's emotional and behavioral disorder level and satisfaction level on counseling. Participants were 112 children between ages of 6 and 12, and the 112 mothers of those children. Questionnaires for mothers were used to assess their object relation level, hope level, and counseling satisfaction level. Questionnaires for children were used to assess their depression and aggression level. Results were as follows: First, mothers with lower object relations had children with higher depression and aggression levels. Second, children of the mothers who scored higher object relation levels scored higher on the satisfaction level on counseling. Third, among the mother's object relation level, hope level, and counseling satisfaction level, the object relation level appeared to have the strongest repercussion on the child's emotional and behavioral problems. The results of this study can be used as a base material to improve the effect of play therapy for the children who have emotional and behavioral problems, on helping the children and their mothers to have positive object relations.

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A Study on Interior Space Planning of Accommodation Barge for Offshore Plant (해양플랜트 거주용 부선 실내공간계획 연구)

  • Lee, Han-Seok;Kang, Young-Hun;Doe, Geun-Young
    • Korean Institute of Interior Design Journal
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    • v.20 no.4
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    • pp.201-210
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    • 2011
  • This study is on the space planning of accommodation area in accommodation barge, which is a kind of offshore plant supply vessel providing workers with exclusive accommodation facilities. Firstly, the space layout of accommodation area is analyzed using the general arrangement drawings of 10 actually-built accommodation barges currently in use. Secondary, the design guides and standards for living quarters of offshore plants issued from overseas classification societies such as ABS, NORSOK etc. are analyzed and based on the analysis design guidelines for accommodation area of accommodation barge are newly suggested. Thirdly, a model of accommodation area in accommodation barge is set up and space arrangements and movement lines for each deck of the accommodation area of the model are planned. Fourthly, cabins, dinning room and galley, recreation spaces, and sanitary spaces of the accommodation area of the model are planned. The results of this study may be summarized as follows. An accommodation barge has 'barge deck' for small scale work and material storage, and 'accommodation area' for the living and resting of workers. The accommodation area is made of workers accommodation sector, service sector, crew sector and business sector. The interior design guidelines for accommodation area of accommodation barge should be made soon by Korea Register of Shipping.

Targeted Nanomedicine that Interacts with Host Biology

  • Ju, Jin-Myeong
    • Proceedings of the Korean Institute of Surface Engineering Conference
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    • 2017.05a
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    • pp.81-81
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    • 2017
  • Nanotechnology is of great importance to molecular biology and medicine because life processes are maintained by the action of a series of molecular nanomachines in the cell machinery. Recent advances in nanoscale materials that possess emergent physical properties and molecular organization hold great promise to impact human health in the diagnostic and therapeutic arenas. In order to be effective, nanomaterials need to navigate the host biology and traffic to relevant biological structures, such as diseased or pathogenic cells. Moreover, nanoparticles intended for human administration must be designed to interact with, and ideally leverage, a living host environment. Inspired by nature, we use peptides to transfer biological trafficking properties to synthetic nanoparticles to achieve targeted delivery of payloads. In this talk, development of nanoscale materials will be presented with a particular focus on applications to three outstanding health problems: bacterial infection, cancer detection, and traumatic brain injury. A biodegradable nanoparticle carrying a peptide toxin trafficked to the bacterial surface has antimicrobial activity in a pneumonia model. Trafficking of a tumor-homing nanoprobes sensitively detects cancer via a high-contrast time-gated imaging system. A neuron-targeted nanoparticle carrying siRNA traffics to neuronal populations and silences genes in a model of traumatic brain injury. Unique combinations of material properties that can be achieved with nanomaterials provide new opportunities in translational nanomedicine. This framework for constructing nanomaterials that leverage bio-inspired molecules to traffic diagnostic and therapeutic payloads can contribute on better understanding of living systems to solve problems in human health.

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