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지방부 신호교차로 주 야간 교통사고 예측모형 개발 및 비교 분석
이근희,정상운,박민호,이동민,노정현 한국도로학회 2015 한국도로학회논문집 Vol.17 No.3
PURPOSES : The purposes of this study are to compare the day and night characteristics and to develop the models of traffic accidents. in Rural Signalized Intersections METHODS : To develop day and night traffic accident models using the Negative Binomial Model, which was constructed for 156 signalized intersections of rural areas, through field investigations and casualty data from the National Police Agency. RESULTS : Among a total of 17 variances, the daytime traffic accident estimate models identified a total of 9 influence factors of traffic accidents. In the case of nighttime traffic accident models, 11 influence factors of traffic accidents were identified. CONCLUSIONS: By comparing the two models, it was determined that the number of main roads was an independent factor for daytime accidents. For nighttime accidents, several factors were independently involved, including the number of entrances to sub-roads, whether left turn lanes existed in major roads, the distances of pedestrian crossings to main roads and sub-roads, lighting facilities, and others. It was apparent that if the same situation arises, the probability of an accident occurring at night is higher than during the day because the speed of travel through intersections in rural areas is somewhat higher at night than during the day.
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초임계수 산화조건에서 Dihydrobenzenes의 분해에 미치는 NaOH의 첨가효과
이근희,김종국 한국화학공학회 2002 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.40 No.5
초임계수와 초임계수산화법에서 catechol과 hydroquinone의 분해에 미치는 NaOH 첨가효과에 대하여 검토하였다. 초임계수 및 초임계수산화법에서 NaOH를 첨가한 경우와 첨가하지 않은 경우의 4가지 조건에서 실험을 수행한 결과 NaOH 첨가는 catechol과 hydroquinone의 분해를 촉진시키는 것으로 나타났다. GC/MS 분석결과 catechol과 hydroquinone의 초임계수산화로부터 많은 중간생성물이 확인되었다. 특히 많은 양의 1,4-benzoquinone이 hydroquinone의 초임계수산화로부터 검출되었다. 1,4-Benzoquinone은 hydroquinone의 산화 후 CO_2까지 진행하는 것을 방해하는 억제자로 알려진 물질이다. Catechol과 hydroquinone의 초임계수산화에서 NaOH 첨가는 1,4-benzoquinone를 포함한 다양한 중간생성물의 분해를 촉진시켰으며 NaOH 첨가는 초임계수 및 초임계수산화법에서 CO_2과 CH_4의 생성량을 증가시켰다. 이러한 결과는 catechol과 hydroquinone의 초임계수산화에서 NaOH가 반응에 상당한 영향을 미치는 것으로써 보다 실용적인 초임계수산화공정의 반응기설계나 최적운전조건의 선정을 위해서는 NaOH 첨가효과를 고려하는 것이 필요한 것으로 판단되었다. The aim of this study is to compare the effects of NaOH addition in the decomposition of dihydrobenzenes(catechol and hydroquinone) using supercritical water(SCW) and supercritical water oxidation(SCWO) conditions. Experiments were performed using four sets of conditions, which were in the presence and absence of NaOH in both SCW and SCWO conditions. Under the experimental conditions, the addition of NaOH accelerated the decomposition of catechol and hydroquinone in both the conditions. Several intermediates were identified by performing GC/MS analysis from SCWO of catechol and hydroquinone, and in particular, a large quantity of 1,4-benzoquinone were detected from SCWO of hydroquinone, which is known as an probable inhibitor to hinder the production of CO_2 after hydroquinone oxidation. The addition of NaOH to catechol and hydroquinone oxidation reduced the generation of these intermediates including 1,4-benzoquinone, however the effects of the NaOH addition in SCW were the similar as compare to those of SCWO. Further, the addition of NaOH increased the production of CO_2 and CH_4 in both the conditions. These results revealed that the effects of NaOH on the decomposition of catechol and hydroquinone using SCWO are not negligible. Therefore, its effects on the decomposition of other organic compounds under SCWO conditions should be estimated for determining optimized operating conditions and reactor designs.
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낙동강하구에서 을숙도 습지 복원 사업과 먹이주기 효과 및 큰고니의 상승비행 유형 -겨울 철새 중심으로 -
이근희,이원호,이종남 한국조류학회II 2023 한국조류학회지 Vol.30 No.1
This study analyzed the impact and effects of wetland restoration projects and feeding projects implemented using ecological monitoring data collected over the past 18 years from 2003 to 2020 at a migratory bird sanctuary located within the Nakdong River Estuary. Results showed that the wetland restoration and feeding projects, which were implemented to reduce the impact of Eulsukdo Bridge construction, significantly increased the type and number of birds. In particular, an analysis of the habitats of winter migratory birds, such as swans and dabbling ducks, showed that wetland restoration and feeding projects had considerable impacts on them. In addition, feeding activities increased the number of swans but had a negligible effect on dabbling ducks. In particular, wetland management and feeding activities implemented within 100m distance of the Eulsukdo Bridge reduced the negative impact of the bridge, while the wintering habitat had the positive influence. In addition, it was necessary to cross-investigate how birds navigate around the Eulsukdo Bridge as a factor hindering the movement of swans. To do so, we investigated the ascending flight of Cygnus cygnus. As a result, six types were identified, of which straight lines and 180-degree rotational types (U-shaped) appeared to be the most common for their ability to maximize energy efficiency. 낙동강 하류 철새 도래지에서 2003년부터 2020년까지 18년간 수행한 낙동강하구 생태계 모니터링 자료를 이용해 을숙도 내 습지 복원 사업 및 먹이주기 효과 등에 대해 분석했다. 그 결과 을숙도대교 건설의 영향을 줄이기 위해 시행한 습지 복원 사업 및 먹이주기는 조류의 종수와 개체수의 증가에 크게 기여했다. 특히 겨울 철새인 고니류와 수면성 오리류의 서식 분석을 통해 습지 복원 사업 및 먹이주기의 효과가 크다는 것을 알 수 있었다. 먹이주기는 수면성 오리류보다는 고니류 개체수를 더욱 증가시켰다. 특히, 을숙도대교를 중심으로 100m 이내에서 습지 관리 및 먹이주기 활동을 실시해 교량의 부정적 영향은 감소시키고, 월동 서식지는 긍정적인 영향을 미쳤다. 또한, 고니류의 이동을 방해하는 요인으로 어떻게 을숙도 대교를 횡단하는지 조사해 볼 필요가 있어 큰고니(Cygnus cygnus)의 상승비행에 대해 조사했다. 그 결과 6개 유형이 확인됐고, 이들 중 직선과 180도 회전형(U자형)이 에너지 효율을 극대화하는 능력 때문에 가장 많이 나타난 것으로 보인다.
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이근희 한국통번역교육학회 2010 통번역교육연구 Vol.8 No.1
Historically, the appropriate translation of linguistic and cultural differences between texts has demanded great efforts. To improve understanding of different translation practices, in 1813, Friedrich Schleiermacher grouped various translation methods into two categories: domesticating and foreignizing methods. Lawrence Venuti further asserted that domestication produces transparent and fluent language, minimizing foreignness in the source text for the target reader. Based on this assertion, translators have traditionally classified domesticating translations as those that show strangeness in the source text. According to the present study, however, translators may use domestication not only when there are exotic elements but also when foreign elements are absent in the source. Therefore, this study defines domesticating translation as using the distinctive aspects of the target language and culture, regardless of foreignness in the original text.
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