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이진호 한국어문교육연구회 2020 어문연구(語文硏究) Vol.48 No.2
The fact that the Korean plosive consonant forms a three-way opposition between plain plosive, aspirated plosive, and laryngealized plosive has been frequently mentioned as one of the typological characteristics of Korean. However, this is not the result of empirical studies based on large-scale language data, but one of the surface comparisons with several well-known languages. So there is room for reconsideration in the objectivity and reliability of previous argument. In this paper, I compared and analyzed the plosive inventories of 4,356 languages, a very large-scale language data, and then examined the typological aspects of Korean plosive system. In aspects of quantity such as the number(9) and ratio(47.4%) of plosives, three places of articulation, and three-way opposition, the plosive system in Korean did not deviate significantly from the average of all languages. On the other hand, the qualitative profile is completely different. It is not easy to find a same plosive system with Korean which there is no opposition by [±voiced], one of the most universal in world´s languages, and consist of three voiceless plosives(plain, aspirated, and laryngealized one) that is in contrastive proportionally in three places of articulation. Through this, it can be concluded that the plosive system of Korean is quantitatively universal, but qualitatively specific. 이진호, 2020, 한국어 파열음 체계의 언어 유형론적 고찰, 어문연구, 186 : 5~29 한국어의 파열음 체계가 평음, 유기음, 경음의 삼항 대립을 이룬다는 사실은 한국어의 유형론적 특징의 하나로 이전부터 널리 언급되어 왔다. 그러나 이것은 대규모 언어 자료에 기반한 실증적 연구의 결과가 아니고 잘 알려진 몇몇 언어와의 표면적 비교 결과이기 때문에 재검토의 여지가 존재한다. 이 글에서는 4,356개라는 대규모 언어의 파열음 체계를 비교 분석한 후 이에 근거하여 한국어 파열음이 어떠한 양상을 보이는지를 구체적으로 살펴보았다. 그 결과 파열음의 수나 비율, 조음 위치의 수, 대립항의 수 등과 같은 양적인 측면에서는 한국어의 파열음 체계가 전체 언어의 평균치에서 크게 벗어나지 않았다. 반면 삼항 대립의 음운론적 성격, 유무성 대립의 부재, 비례 대립의 성립 등과 같은 질적 측면에서는 동일한 유형을 찾기 어려울 만큼 독특한 모습이었다. 이를 통해 한국어 파열음 체계는 양적으로는 보편성을 보이지만 질적으로는 상당한 특수성을 보인다고 결론 지을 수 있다.
이진호 대한의사협회 2012 대한의사협회지 Vol.55 No.9
A safe drug is defined as one for which the benefit of the medication is greater than the expected risk, taking all factors into account. To enhance the safety of drugs, the risk of the drugs should be minimized. These risk management (RM) actions are assessment, confrontation,intervention, communication of risk, and evaluation of each process, in that order. To maximize the effect of RM, it should take place as early as possible in the drug life cycle, such as from the drug development period before marketing, and also after marketing. In areas of advanced drug development and a large drug market share, these activities have been legislated as Risk Evaluation and Mitigation Strategies (REMS, 2007) in the United States and the Risk Management Plan (2006) in the EU. REMS is briefly summarized in this paper. In Korea, these policies were accepted and carried out beginning in 2011 as the first stage of legal support and modification of drug safety plans. Also, proactively, the Korea Institute of Drug Safety was launched to manage information about drug safety and develop a scientific method for enhancing RM. RM should be approached in a global scope in order to foster many experts in diverse fields and to keep openness and transparency for close and effective collaboration, which is essential for successful RM and health outcomes.
원심력 하에서의 용융금속의 유동 및 응고 특성에 대한 수치적 연구
이진호,목진호,구은모,홍준표,윤웅섭 대한금속재료학회(대한금속학회) 2001 대한금속·재료학회지 Vol.39 No.3
A numerical analysis was carried out to predict the defects caused by fluid flow and heat transfer in the casting process under centrifugal force. The VOF method was adopted to deal with the behavior of free surface during filling and the Temperature Recovery method was used to treat the release of the latent heat during solidification. Thermal stresses were calculated by the Finite Element method. For a cylindrical model, two different angular velocities were applied (900 rpm and 1,500 rpm), and the result showed that the intensity of circulating flow was weaker in the case of 1,500 rpm than that of 900 rpm. Solidification proceeded faster in the upper part of the casts due to the thinner thickness caused by the gravitational force. Tensile stresses were distributed along the outer surface of the casts, while compressive stresses were distributed in the inner part.
군사용 밀폐공간내의 화재시 단일 증발액적에 의한 방재특성 연구
이진호,방창훈,김정수 한국군사과학기술학회 2000 한국군사과학기술학회지 Vol.3 No.1
A fire fighting characteristic by a single evaporating droplet in the case of a fire of military enclosure space was studied experimentally. Transient cooling of solid surface by water droplet evaporation has been investigated through controlled experiments using a heated brass cylinder. Quantitative predictions of droplet evaporation time and in-depth transient temperature distribution in solid have been made. The particular interest was in the removal of thermal energy from the heated cylinder by evaporative cooling. A $10{\mu}1$ single droplet is deposited on a horizontal brass surface with initial temperatures in the range of $90^{\circ}C{\sim}130^{\circ}C.$ The results can be summarized as follows; Evaporating droplet was divided into three different configuration. Evaporation time was predicted as a function of initial surface temperature ($t_c=492.62-6.89T_{s0}+0.0248T_{s0}^2).$ The contact temperature was predicted as a function of initial surface temperature( $T_{i}$=0.94 $T_{s0}$+1.4), The parameter ${\beta}_o$ was predicted as a function of initial surface temperature( ${\beta}_0$ : 0.O0312 $T_{s0}+0.932$)>)>)