• Korean Institute of Interior Design Journal
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• no.9
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• pp.139-146
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• 1996

The purpose of this study was to examine the conditions of , and needs for improvement in the University professor`s office. To fulfill this task, the way of using office environment, attitudes for work environment intentions and features to improve, and preferred characteristics were examined and scrutinized. The data for this study were collected through a questionnaire survey and analyzed with SAS Package software. 279 professor at Yonsei University participated in the study. The detailed aspects of conditions, various ways and their priorities for improvement of the environment were described. These results are expected to be used as basis for the design of office space as it applies to facility management perspectives-which has not been implemented in Korea.

• Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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• 1999.04a
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• pp.3-3
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• 1999

• The Korean Journal of Community Living Science
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• v.11 no.2
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• pp.15-27
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• 2000

The objective of this dissertation is to provide appropriate planning guidelines making on Munwha-Mauel. This study carries out the investigation on rural housing environment conditions and conducts the subjective evaluation by residents about the conditions. Both a field survey and a questionnaire survey are used for the study. The evaluation of housing environment are based on safety, health, efficiency, amenity, and local community. The concepts suggested by WHO are adjusted for the study. Eight villages were selected comprising of two newly built, four expanded, and two renovated. As a results of this study, residents´ satisfaction about the housing environment is categorized by the village type, whether a resident works on agriculture, and the residential backgrounds The results show evident differences. Important variables which affect the overall satisfaction are the interactions among the residents, the living convenience. Planning guidelines on Munwha-Mauel are suggested to based on the results.

• Journal of Korean Society on Water Environment
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• v.21 no.4
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• pp.379-384
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• 2005

In this research, coagulation was employed as the pretreatment for membrane process. The effective coagulation conditions were decided after the discussion of different coagulant doses and mixing conditions, etc. Raw water was taken from Nakdong River. The best operation occurred when G value was $230s^{-1}$ and the slow mixing lasted around 5 minutes at G value was $23s^{-1}$. To investigate the optimum coagulant dosage, the optimum organics removal was target as organic removal reduces membrane fouling effectively than particle removal. This result indicated that organics are more important causes than turbidity for membrane fouling. However, turbidity becomes an important factor after certain amount of organic matters is removed.

• Korean Journal of Occupational Health Nursing
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• v.29 no.1
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• pp.1-7
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• 2020

Purpose: The purpose of this study is to investigate the effect of work environment on health problems of nurses. Methods: The subjects of the study were 395 nurses who were wage workers among KWCS (Korean Working Conditions Survey) respondents in 2014. The work environments were measured by the KWCS questionnaire. Results: 48.5% of the 395 nurses had health problems. The prevalence of musculoskeletal diseases (34.7%) was the highest among all health problems. The ergonomic work environment was significantly related to musculoskeletal disorders, headache and eye strain, and fatigue. In addition, the increase in work-individual interface area was significantly related to fatigue. Conclusion: The work environment of nurses affects health problems. It is therefore important to develop strategies that improve the health problems of nurses by reducing ergonomic and psycho-social risk factors.

• International Journal of Advanced Culture Technology
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• v.11 no.2
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• pp.56-63
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• 2023

I proposed the architectural guideline for educational environment based on design thinking approach to integrate and enhance learners' activities and achievements. The physical environment of design education learning space should be applied by teaching methods and learning activities, especially for STEAM-based convergent education, the architectural space conditions should support the design process based on design thinking. The learning environment conditions influence design education with physical design factors and learners' communication, and the flexible environment based on design thinking, which is crucial for design education. The 3 steps of design thinking experiences also allow students to learn the context of ideas, skills and outcomes. Therefore, I argued that the learning surrounding based on design thinking needs flexible and mobile, connected, integrated, organized, and team-focused environments to support learners' understanding, participation, and collaboration, and to achieve the design process based on research findings. For spaces for convergent learning environments based on design thinking, common design principles should be reviewed, such as coexistence with technology, safety and security, transparency and spatial extension, multi-purpose space and outdoor learning.

• The Journal of the Convergence on Culture Technology
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• v.9 no.6
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• pp.545-551
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• 2023

In this paper, we present the environment interface as a method of bringing the virtual environment in the interface to reality, and explain the experience of the virtual that can be sensed in the real environment. Expanded experience by discussing the transparency of the interface and interactivity that expands synesthesia as a condition for an interface to express virtual without distinction from the real environment, and establishing a discussion on the composition and inevitability of an environment interface that satisfies these conditions The environment interface is discussed as a tool for realizing the interface that extends from the real environment, the expansion of cognition into the environment by interaction, and the virtual for immersion into the environment due to these conditions.

• Journal of Korean Society for Atmospheric Environment
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• v.34 no.3
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• pp.418-429
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• 2018

Measurements of 24-hr size-segregated ambient particles were made at an urban site of Gwangju under high pressure conditions occurred in the Korean Peninsula late in March 2018. The aim of this study was to understand the effect of air stagnation on mass size distributions and formation pathways of water-soluble organic and inorganic components. During the study period, the $NO_3{^-}$, $SO_4{^{2-}}$, $NH_4{^+}$, water-soluble organic carbon (WSOC), and humic-like substances(HULIS) exhibited mostly bi-modal size distributions peaking at 1.0 and $6.2{\mu}m$, with predominant droplet modes. In particular, outstanding droplet mode size distributions were observed on March 25 when a severe haze occurred due to stable air conditions and long range transport of aerosol particles from northeastern regions of China. Air stagnation conditions and high relative humidity during the study period resulted in accumulation of primary aerosol particles from local emission sources and enhanced formation of secondary ionic and organic aerosols through aqueous-phase oxidations of $SO_2$, $NO_2$, $NH_3$, and volatile organic compounds, leading to their dominant droplet mode size distributions at particle size of $1.0{\mu}m$. From the size distribution of $K^+$ in accumulation mode, it can be inferred that in addition to the secondary organic aerosol formations, accumulation mode WSOC and HULIS could be partly attributed to biomass burning emissions.

• Journal of Environmental Science International
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• v.13 no.10
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• pp.883-890
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• 2004

The purpose of this study is to survey and analyze the growth, management and surrounding environment of the big and old trees in Kyoungju-si or the cultural assets alive in our history, and thereby, provide for some data useful to their reasonable protection and use of their surrounding areas. As a result of surveying the growth conditions of the big and old trees, it was found that the height of new grass was 10.5cm on average, the activity scale of the wood was 7.2k$\Omega$, the soil hardness was $16.7kg/cm^2$, the soil acidity was pH 4.8, and the soil moisture was $13.3\%$. Such findings suggest that the soil has been acidified by people's frequent passages, but that the other growth conditions are more or less normal. Hence, it is desirable to secure a sufficient space around the trees or reduce people's stamping pressure with some mechanisms. On the other hand, the visible conditions of the trees were found more or less normal, but many trees remained cut or barked (with some cavities), requiring an optimal treatment or measure. Lastly, as the population has decreased in the suburban traditional villages, the surrounding environment seems to be less vulnerable to people's frequent visits. Nevertheless, in consideration of the fact that there are only a few public space for the villagers, it is deemed necessary to rearrange or maintain some parts of the surrounding environment as public space for villagers or hikers.

• Journal of Korean Society of Rural Planning
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• v.9 no.3 s.20
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• pp.9-16
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• 2003

The aim of this study is to analyze the improvement of housing renewal project and suggest the conditions of rural housing environment filled with the resident's desire, requirements concerning about characteristics of a rural environment and temporal and social requirements. The project for improvement of rural housing environment has been executed in a few ways: reform of the rural housing environment and the development of territories for settlement of a desolate region. To analyze and assess the accomplishments, we considered codes and process related to the project for improvement of rural housing environment and analyzed present conditions and problems through many reference books and administrative data. According to these results, devices in future business for improvement of rural housing environment are as follows; It should required a rational allocation of working space, living space, cultural activity space suitable for rural area characteristics and changed into uniformed system in various projects governed by different institutions.