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폴리머 소재를 활용한 공기층을 갖는 방음패널의 차음효과 분석
박종빈 ( Jong-bin Park ),김일호 ( Il-ho Kim ),안호상 ( Ho-sang Ahn ),이주행 ( Ju-heang Lee ),김광수 ( Kwang-soo Kim ) 한국환경기술학회 2012 한국환경기술학회지 Vol.13 No.4
최근 급진적인 경제성장 및 도시개발은 인구증가 및 교통량의 증가를 야기시키고 이로 인한 소음공해 등 환경문제가 발생함에 따라 다양한 소음제어 기술이 개발되고 있다. 소음제어를 위한 대표적인 기술은 방음벽으로서 주변 미관, 시야확보, 겨울철 노면의 결빙 방지 등을 위한 폴리머 및 유리소재를 이용한 방음벽 개발 및 설치가 점차 늘어나고 있으나, 소음에 대한 규제정책의 강화 및 유지관리 등의 어려움으로 인한 많은 문제점이 지적되고 있다. 따라서, 본 연구에서는 보다 소음제어효과를 향상시키고, 시공성 및 유지관리가 편리하고 기능성이 있는 친환경 방음벽 개발을 위한 기초연구로서 새로운 소재 및 방음패널의 구조적(singlelayer, double layer) 특성에 대한 차음성능 효과를 알아보았다. 연구결과, 기존 PC 소재와 비교하여 PE 및 PP 소재의 경우 두께가 유사한 차음효과를 보여주었으며, 특히, PE의 경우에는 PC와 거의 같은 차음성능을 보여주었다. 또한 Single layer와 비교하여 Double layer는 약 17% 차음성능 향상을 보여주었으나, 공기층 두께에 대하여 보다 세밀한 연구가 필요할 것으로 판단되었다. Shortage of site suitable for housing caused by rapid urban development has led to a construction of the high-rise apartment complex along the roadside. This gave rise to the increasing number of population exposed to the traffic noise. Nowadays, transparent noise barriers are used to replace the conventional noise barriers to solve the problems such as maintenance and urban landscape. However, transparent noise barriers have also several problems such as discoloration, stains and scratching to lose initial advantages. In this study, it was focused to compare the soundproofing performance according to the type of polymer materials and panel structure to development of eco noise barrier. As a result, it was observed that PE and PP showed similar a soundproof performance with PC. And in case of soundproofing panel with double layer, sound insulation performance is improved about 17% compare to soundproofing panel with single layer.
발달장애 보호자의 돌봄 부담이 보호자 삶의 만족에 미치는 영향: 발달장애 당사자의 취업으로 인한 조절효과를 중심으로
박종빈(Park Jong Bin),이수용(Lee soo yong) 한국장애인고용공단 고용개발원 2024 장애와 고용 Vol.34 No.3
연구목적: 본 연구의 목적은 발달장애인 보호자 돌봄 부담과 그들의 삶의 만족도 간의 상관관계에서 발달장애인 취업이 주 보호자의 삶의 만족도를 조절하는지를 검증하여 발달장애인의 취업 중요성을 강조하는데 있다. 연구방법: 연구를 위한 자료와 표본은 2020년 발달장애인 일과 삶 실태조사 3,000가구의 중 생산 가능 연령대인 15~64세의 발달장애인과 주 보호자를 연구대상으로 한 장하여 2,574명을 연구대상으로 선정하였다. 인구사회학적 특성을 알아보기 위한 빈도분석과 기술통계를 실시하였으며, 발달장애인 당사자 및 주 보호자 그리고 가구의 일반적 특성에 따른 주 보호자의 삶의 만족도 차이 분석을 위해 차이(t/F-test) 검정을 실시하였다. 마지막으로 취업의 조절효과를 검증하기 위해서는 PROCESS MACRO model(1)을 활용하였다. 연구결과: 발달장애인 보호자의 돌봄 부담 정도는 발달장애인이 취업을 했을 경우 미취업에 비해 낮았으며, 전반적 삶의 만족도는 미취업했을 때 보다 취업했을 때 더 높았다. 삶의 만족에서 취업의 조절효과 검증에서는 돌봄 부담이 커질수록 삶의 만족도가 감소했으며 발달장애인이 취업했을 경우 미취업에 비해 주 보호자의 삶의 만족도가 덜 감소하였다. 결론 및 제언: 발달장애인의 취업은 발달장애인 보호자의 돌봄 부담으로 인한 삶의 만족도가 감소하는 것을 유의미하게 낮추는 것으로 나타났으므로, 발달장애인 취업을 위한 다양한 정책방안이 마련이 필요하며 이를 이용·활용할 수 있도록 서비스에 대한 홍보 노력도 필요하다. Purpose of the Study: The purpose of this study is to examine whether the employment of individuals with developmental disabilities moderates the relationship between the caregiving burden of their caregivers and the caregivers life satisfaction. By doing so, the study aims to emphasize the importance of employment for individuals with developmental disabilities. Research Method: Data and samples for the study were drawn from the 2020 Survey on Work and Life of Individuals with Developmental Disabilities, focusing on responses from households with 3,000 individuals, specifically those with employed individuals with developmental disabilities and their primary caregivers. Frequency analysis and descriptive statistics were conducted to understand the demographic characteristics. An independent samples t-test was used to examine differences between employed and unemployed groups. Finally, to verify the moderating effect of employment, PROCESS MACRO model(1) was utilized. Research Results: The caregiving burden of caregivers was lower when the individual with developmental disabilities was employed compared to when they were unemployed. Overall life satisfaction was higher when the individual was employed. In testing the moderating effect of employment on life satisfaction, it was found that as caregiving burden increased, life satisfaction decreased. However, this decrease in life satisfaction was less pronounced when the individual with developmental disabilities was employed compared to when they were unemployed. Conclusion and Recommendations: Employment of individuals with developmental disabilities significantly mitigates the decrease in life satisfaction of caregivers caused by caregiving burden. Therefore, various policy measures to promote the employment of individuals with developmental disabilities are necessary. Additionally, efforts to publicize and utilize these services should be enhanced.
박종빈 ( Jong Bin Park ),성설화 ( Seol Hwa Seong ),이강훈 ( Kang Hoon Lee ),서기석 ( Kee Suck Suh ),유병철 ( Byeong Chul Yu ),장민수 ( Min Soo Jang ) 대한피부과학회 2020 대한피부과학회지 Vol.58 No.10
Background: The etiology and pathogenesis of lichen planus (LP) are not fully understood. Several studies have reported varying prevalence of anti-hepatitis C virus antibody (anti-HCV Ab) in LP. The relationship between LP and HCV infection remains controversial. Objective: To investigate the relationship between LP and HCV infection in Busan and Gyeongnam, Korea. Methods: We reviewed the medical records of 84 outpatients with LP and 84 control subjects (age- and sex-matched) from 2000 to 2020. Data on age, sex, duration of disease, distribution, shape, systemic diseases, and serology of anti-HCV Ab were collected. Results: The prevalence of anti-HCV Ab was 1.2% and 9.5% in the control group and patients with LP, respectively. Compared with the control group, patients with LP had a higher risk of HCV infection with an odds ratio of 8.737 (p=0.034). The mean duration of disease for the eight patients with HCV-associated LP was 5.8 months, which was shorter than 15.8 months in 84 patients with LP alone. Mucosal erosive LP was observed most frequently in HCV-associated LP with an odds ratio of 9.273 (p=0.003). Conclusion: HCV infection may be clinically relevant to the development of LP. Furthermore, HCV infection may accelerate the progression of LP and is possibly related to the mucosal erosive subtype. Therefore, dermatologists should perform an anti-HCV Ab screening test for patients with LP, disclosing the potential association between LP and HCV infection. (Korean J Dermatol 2020;58(10):662∼668)
modern typography 전달요소로써 이해하는 방법과 예술로써 이해하는 방법
박종빈(Jong Bin Park) 한국일러스아트학회 2004 일러스트레이션학 연구 Vol.15 No.-
Typographic is a word compounding graphic design and typography and it is a part of design that makes it easy for understanding the usage of typography or it is also understood as a medium which is based on visual transmittal media. However the typography works that we have faced with since late 80`s can be founded among the functional typography based on traditional theory. These experimental works are not easy to understand but also it seems that they are lack of the object which is the principle of communication design. Thus I`d like to approach to fine arts to understand modern typography and also I`d like to find the ways to understand it as fine arts.