• Title/Summary/Keyword: environment condition

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A Case Study on Working Clothes Design Development - focused on D Enterprise - (기업의 이미지 전략에 따른 근무복 디자인 개발 연구 - D 기업사레를 중심으로 -)

  • Park, Hye-Won;Cho, Min-Young
    • Journal of Fashion Business
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    • v.12 no.5
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    • pp.1-13
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    • 2008
  • This study is largely aimed at presenting ways to improve the working clothes and help companies create more positive images by suggesting designs of the clothes, which take into accounts the corporate image, symbolism, function and aesthetic appreciation through introduction of companies' CIP. And, it is significant to propose working clothes development condition and process with introduction of companies' CIP(Corporate Identity Program : work that systematize and simplify visually images which companies or public bodies have) A way of this study was made up with working clothes design development process which a student planned. First of all, this study looked into Company D's Corporate Identity Program(CIP) to develop the design that corresponds with the characteristics of the company's favorite design, working environment and demands of the employees. And, then, the study conducted a survey of 30 employees and intensive interviews with heads of four teams including the Safety Team, the Working Clothes Management Team and the General Affairs Team to find out the requirements of the clothes and the characteristics of the company. Based on them, the concrete image that the company pursues and the direction of design were set up through image positioning. In the end, three different concept designs were presented through image-mapping and the concrete design of each item was developed. A total of seven items including upper and lower garments (a jacket and trousers) for the spring-summer seasons, upper and lower garments (a jumper and trousers) for the winter season, cold-protecting vest and winter clothes (a coat and trousers) were presented in accordance with the three concepts. One of the concept designs, which was selected through evaluation by employees of Company D, was produced as a sample and then the final design was chosen after a discussion attended by the head of each team and representatives of the employees. Based on the aforementioned design planning, one design was selected from each of the three concept designs for production. And each of these was requested to special production enterprise and manufactured. Following the result of study, by looking into a case of a practical joint design project between a university and a company, this study suggested ideas for business to improve working clothes through the academic-industrial cooperation and presented conditions and process of design development. And, this study also aims to examine the feasibility of academic-industrial cooperation based on the cases in which enterprises and universities staged joint projects to develop working clothes.

Biological Function of Carcinoembryonic Antigen-Related Cell Adhesion Molecule 6 for the Enhancement of Adipose-Derived Stem Cell Survival against Oxidative Stress (지방유래 줄기세포의 생존능 향상을 위한 CEACAM 6의 생물학적 기능에 대한 연구)

  • Koh, Eun-Young;You, Ji-Eun;Jung, Se-Hwa;Kim, Pyung-Hwan
    • Korean Journal of Clinical Laboratory Science
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    • v.51 no.4
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    • pp.475-483
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    • 2019
  • The use of stem cells in cell-based therapy has attracted extensive interest in the field of regenerative medicine, and it has been applied to numerous incurable diseases due to the inherent abilities of self-renewal and differentiation. However, there still exist some severe obstacles, such as requirement of cell expansion before the treatment, and low survival at the treated site. To overcome these disadvantages of stem cells, we used the carcinoembryonic antigen-related cell adhesion molecule 6 (CEACAM 6) gene, which functions to increase cell-cell interaction as well as anti-apoptosis. We first confirmed whether CEACAM 6 is expressed in various cell lines at the protein level (including in stem cells), followed by evaluating and selecting the optimal transfection conditions into stem cells. The CEACAM 6 gene was transfected into stem cells to prolong cell survival and preserve from damage by oxidative stress. After confirming the CEACAM 6 expression in transfected stem cells, the cell survival was assessed under oxidative condition by exposing to hydrogen peroxide (H2O2) to mimic the chronic environment-induced cellular damage. CEACAM 6 expressing stem cells show increased cell viability compared to the non-CEACAM 6 expressing cells. We propose that the application of the CEACAM 6 gene is a potential option, capable of expanding and enhancing the therapeutic effects of stem cells.

Influences of DIF on Growth of Capsicum annuum 'Nokkwang' (주야간(晝夜間) 온도차(溫度差)(DIF)처리(處理)에 의한 고추 '녹광' 플러그묘(苗)의 생장반응(生長反應))

  • Lim, Ki Byung;Chung, Jae Dong;Oh, Jung Youl
    • Current Research on Agriculture and Life Sciences
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    • v.14
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    • pp.67-75
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    • 1996
  • Capsicum annuum 'Nokkwang' plug seedlings were treated with 9 different day and night temperatures to investigate on growth and differentiation in controlled environment conditions. The plant height was the most affected by day temperature and DIF and stem length was the similler results as plant height. However, Leaf unfolding rate and leaf length and width increased as average daily temperature increased. and especially fresh weight was worst at ADT was $15^{\circ}C$ and increased as ADT increased. In contrast with fresh weight, chlorophyll content calculated highest when ADT was $15^{\circ}C$, and decreased as NT increased respectively. The stem lengths were not significantly different among treatments with exception of DT/NT=15/$15^{\circ}C$ which significantly decreased. The ultimate +DIF condition, DT/NT=30/$15^{\circ}C$, caused high T/R ratio due to abundant top growth. It is concluded that DT is $22.5^{\circ}C$, and NT is ranged from $15^{\circ}C$ to $22.5^{\circ}C$ to be produced short, healthy plug seedlings in Capsicum annuum 'Nokkwang'.

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The Job Satisfaction and Self-assessment of Public Health Nutritionists (보건 영양사의 직무만족도 및 자기진단평가)

  • 박혜련;권지영
    • Korean Journal of Community Nutrition
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    • v.4 no.1
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    • pp.83-94
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    • 1999
  • This study was carried out to investigate the general characteristics of public health nutritionists, the current status of nutrition services operation, the recognition about nutrition services of public health center related man power, the job satisfaction and self-assessment and the need for a retraining course of public health nutritionists. The subjects were 58 public health nutritionists who responded to the questionnaire distributed at the annual retraining program in 1998. The results of this study are summarized as follows. 1) 46.5% of the nutritionists were 26-30 years old, 62.1% were 4 year university graduates 74.1% were food and nutrition majors and 51.7% were daily workers. 2) Among the public health center-related manpower, the recognition about nutrition services was the highest for the manager of family health section, followed by the head of public health centers, and then the general nurse in public health centers. 3) The ranking of the reasons for job satisfaction of the public health nutritionists was, relationship with colleagues(3.84), inhabitants response after nutrition counselling(3.53), specialized value realization/conviction about duty(3.35), contents of the work(3.10), value achievement(3.08), self achievement/development(3.00), self discretion(2.92), participation in policy decisions(2.90), work load(2.75), chance of retraining and acquisition of new information(2.73), working environment(2.69), supervisio $n^port by superiors(2.67), salary(2.38), supply of necessary education material, technique(2.37), and budget security(2.22). 4) The satisfaction of the inhabitant's responses after nutrition counseling was the highest among the 4 year university graduates(p<0.05), the satisfaction of the specialized value realization/conviction about duty was the highest among the nutritionists 26-30 years old(p<0.05). Food and nutrition majors(p<0.05) and those having worked less than 3-5years at public health centers also showed much satisfaction(p<0.05). Satisfaction with the salary was the lowest among the food and nutrition majors(p<0.01) and daily workers(p<0.001). The satisfaction with the participation in policy decisions was the lowest among the daily workers(p<0.01). 5) The ranking for the level of self-assessment were, nutrition and dietetic practice(2.92), communication(2.80), management(2.77), public health science and practice(2.66)(p<0.01). The general characteristics such as the level of education, major, employment condition, current public health center's tenure, and charge experience of the nutrition guidance work were not significantly related to self-assessment except the management part(p<0.05). The higher the satisfaction of specialized value realization/conviction about the duty, the better the total score on the self-assessment(p<0.05)..

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The Study on Empirical Propagation Path Loss Model in the Antler Terminal Environment (엔틀러 터미널 환경에서 실험적인 패스 로스 모델에 관한 연구)

  • Kim, Kyung-Tae;Kim, Jin-Wook;Jo, Yun-Hyun;Kim, Sang-Uk;Yoon, In-Seop;Park, Hyo-Dal
    • Journal of Advanced Navigation Technology
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    • v.17 no.5
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    • pp.516-523
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    • 2013
  • In this paper, The path loss model of Air Traffic Control(ATC) telecommunication radio channel has been studied at the Incheon International Airport(IIA) with the terminal with two antlers. We measured two frequencies among VHF/UHF channel bands. The transmitting site radiated the Continuous Wave(CW). The propagation measurement was taken using the moving vehicle equipped with receiver and antenna. The transmitting power, frequency and antenna height are the same as the current operating condition. The path loss exponent and intercept parameters were extracted by the basic path loss model and hata model. The path loss exponents at passager terminal areas were 3.32 and 3.10 respectively in 128.2 MHz and 269.1 MHz. The deviation of prediction error is 9.69 and 9.65. The new path loss equation at the terminal area was also developed using the derived path loss parameters. The new path loss was compared with other models. This result will be helpful for the ATC site selection and service quality evaluation.

An Analysis of Vegetation-Environment Relationships of Mt. Gyeryong and Mt. Deokyu by Detrended Canonical Correspondence Analysis (DCCA에 의(依)한 계룡산(鷄龍山)과 덕유산(德裕山)의 삼림군집(森林群集)과 환경(環境)의 상관관계(相關關係) 분석(分析))

  • Song, Ho-Kyung
    • Journal of Korean Society of Forest Science
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    • v.79 no.2
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    • pp.216-221
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    • 1990
  • Vegetational data from Mt. Gyeryong and Deokyu in central Korea were analysed in relation to 15 environmental variables. Two multivariate methods were applied : two-way indicator species analysis (TWINSPAN) for classification and detrended canonical correspondence analysis(DCCA), a recent technique which extracts ordination axes that can be related to environmental factors. The relationship between the distribution of dominant species of forest vegetation and soil condition in Mt. Gyeryong and Deokyu was investigated by analyzing elevation and soil nutrition gradient. Quercus mongolica forest was distributed in the high elevation and good nutrition area, Carpinzrs laxiflora and Fraxinus rhynclzophylla forest in the medium elevation and good nutrition area, Piszus densiflora-Quercus mongolica and Quercus variabilis forest in the medium elevation and medium nutrition area, Styrax jabozaica forest in the low elevation and medium nutrition area, and Pinus densiflora forest in the low elevation and poor nutrition area. The dominant compositional gradient related to elevation.

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Implications and numerical application of the asymptotical shock wave model (점진적 충격파모형의 함축적 의미와 검산)

  • Cho, Seong-Kil
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.11 no.4
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    • pp.51-62
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    • 2012
  • According to the Lighthill and Whitham's shock wave model, a shock wave exists even in a homogeneous speed condition. They referred this wave as unobservable- analogous to a radio wave that cannot be seen. Recent research has attempted to identify how such a counterintuitive conclusion results from the Lighthill and Whitham's shock wave model, and derive a new asymptotical shock wave model. The asymptotical model showed that the shock wave in a homogenous speed traffic stream is identical to the ambient vehicle speed. Thus, no radio wave-like shock wave exists. However, performance tests of the asymptotical model using numerical values have not yet been performed. We investigated the new asymptotical model by examining the implications of the new model, and tested it using numerical values based on a test scenario. Our investigation showed that the only difference between both models is in the third term of the equations, and that this difference has a crucial role in the model output. Incorporation of model parameter${\alpha}$ is another distinctive feature of the asymptotical model. This parameter makes the asymptotical model more flexible. In addition, due to various choices of ${\alpha}$ values, model calibration to accommodate various traffic flow situations is achievable. In Lighthill and Whitham's model, this is not possible. Our numerical test results showed that the new model yields significantly different outputs: the predicted shock wave speeds of the asymptotical model tend to lean toward the downstream direction in most cases compared to the shock wave speeds of Lighthill and Whitham's model for the same test environment. Statistical tests of significance also indicate that the outputs of the new model are significantly different than the corresponding outputs of Lighthill and Whitham's model.

The status quo and developing measurement of water reuse in China

  • Li, Wei;Li, Jing;Wang, Yiwen;Zhong, Yuxiu;Liu, Hongxian;Li, Peilei
    • Proceedings of the Korea Water Resources Association Conference
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    • 2015.05a
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    • pp.228-228
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    • 2015
  • Water reuse plays significant role in water saving and water environmental protection, and it helps alleviate the shortage of water resources. China's water reuse was put into practice since 1980s by means of pilot and promotion in National Fifth-year Plan and other strategies. The effects of water reuse is beneficial in both economic, social and environmental aspects. But some shortcomings still undermine future development of water reuse in China. To overcome and boost water reuse, Ministry of Water Resources conducted a successive survey across China. The aim of this study is to demonstrate the current condition of water reuse in China in construction, funds, legislation, planning, policy aspects, to summarize problems and its reasons underneath, to make suggestions for further development. Basically, in 2010, China's water reuse is 2.83 billion cubic meters and the utilization rate is 10.35%. Water reuse in China has four major characteristics: the first one is water reuse differences in amount occur national-widely and North of China has the main percentage as 47.3%; the second one is water reuse is mainly in environment maintenance (42.1%) and industry cooling (29.8%); the third one is funds for water reuse station and pipe construction is main in non-fiscal budget which take percentage as 56.8%; the fourth one is progresses of administrative system, political system, price management, standard system and technologies go rapidly recently. The problems of water reuse such as lack in water reuse station, delay in pipe constriction and limits on water reuse amount still exist due to some reasons. As a think tank of Ministry of Water Resources, we give some suggestions: firstly, water reuse needs to be integrated with traditional water resources allocation; secondly, public budgets need to be strengthened and income mechanism should also be constructed; thirdly, water resources integrated administrative of city and county should be boosted and roles as water reuse need to be clear and precise; fourthly, national, provincial and regional water reuse planning should be made in time; fifthly, regulations on water reuse should be programmed as soon as possible.

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Study of Design of Traffic Lights for the Prevention of Disaster to be prepared for a Super-aged Society (초고령사회에 대비한 교통신호등 방재디자인 연구)

  • Lee, Hyun-Ju;Roh, Hwang-Woo
    • The Journal of the Korea Contents Association
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    • v.19 no.10
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    • pp.560-567
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    • 2019
  • South Korea, which has entered an aged society, is about to enter a super-aged society in 2025. With the increase of an aging population, traffic accidents by aged drivers have been settled as a social problem. Now, when Korea is facing a super-aged society to come, a study was conducted to prevent traffic accidents that occur while the elderly people are driving through a disaster prevention design. For theoretical research, this study examined the concept and necessity of disaster prevention design, the present condition of an aged society, aged drivers' physical and cognitive characteristics, and the policies related to the forms of traffic lights the elderly people see. In addition, to propose the design, this study investigated and analyzed the traffic safety forms and colors of the International Standards Organization and proposed the first and second forms of the design of traffic lights for the gradual improvement of the traffic lights based on that. The first improved design form is a plan for displaying a triangle, an arrow with a large area, and a quadrangle in the lens of the head of the existing traffic lights, and the second improved design form is a plan for introducing a new traffic light head and forming the traffic light with a bigger triangle, an arrow with a large area and a quadrangular lens. Since it has a visually clearer form than the present traffic lights, it is expected that aged drivers who have physical and cognitive characteristics due to aging can secure better visibility and conspicuity and that they can make better reflex responses than they can now, also in the change of driving environment (rain and heavy snowstorm, etc.). In addition, it is expected that this study would be a preceding study to prepare standard guidelines on traffic safety signs other than traffic lights to be prepared for the super-aged society.

A Study on the Perception of Scattering Ash Facilities in Metropolitan Public Crematorium (수도권 공설화장장의 산골시설 인식에 관한 연구)

  • Nam, Yunju;Lee, Pil-Do
    • The Journal of the Convergence on Culture Technology
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    • v.5 no.4
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    • pp.67-77
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    • 2019
  • Korea, which has changed from burial-oriented culture to cremation culture due to the increase of cremation rate, preferred charnel: however, we have adopted the new processing method of cremated remains, 'natural burial' because of deterioration of charnel facility and the problems with imposed urns. Ashes are absolutely required due to the inefficient use of territory for charnel and natural burial and natural environment pollution, but this is out of legislative system in reality. This study will hold an investigation research on ashes that handles cremated remains which is not mentioned in 'Act on Funeral Services, Etc.' as well as investigate the present-condition of 'facilities for scattering cremated ashes,' as prescribed by law. As a result, there were 42 public crematoriums with a place for scattering cremated ashes, and the name of 40 of them were hill of grave. We conducted a survey to see if the workers at public cremation facilities in the Seoul metropolitan area knew about hill of grave, 'the facilities for scattering cremated ashes.' The result showed 95.9% knew about hill of grave and 88.2% answered some improvement was partially needed. Therefore, this study is to propose improvement measures for the scattering ashes facilities of public crematoriums based on the results of research and present investigation.