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( Sang Hoon Lee ),( Yoomi Yeo ),( Tae-hyung Kim ),( Hong Lyeol Lee ),( Jin Hwa Lee ),( Yong Bum Park ),( Jong Sun Park ),( Yee Hyung Kim ),( Jin Woo Song ),( Byung Woo Jhun ),( Hyun Jung Kim ),( Jinky 대한결핵 및 호흡기학회 2019 Tuberculosis and Respiratory Diseases Vol.82 No.2
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive fibrosing interstitial pneumonia, which presents with a progressive worsening dyspnea, and thus a poor outcome. The members of the Korean Academy of Tuberculosis and Respiratory Diseases as well as the participating members of the Korea Interstitial Lung Disease Study Group drafted this clinical practice guideline for IPF management. This guideline includes a wide range of topics, including the epidemiology, pathogenesis, risk factors, clinical features, diagnosis, treatment, prognosis, and acute exacerbation of IPF in Korea. Additionally, we suggested the PICO for the use of pirfenidone and nintendanib and for lung transplantation for the treatment of patients with IPF through a systemic literature review using experts’ help in conducting a meta-analysis. We recommend this guideline to physicians, other health care professionals, and government personnel in Korea, to facilitate the treatment of patients with IPF.
Designing Effective Virtual Training
Jinki Jung,Hongtae Kim 대한인간공학회 2017 大韓人間工學會誌 Vol.36 No.5
Objective: The aim of this study is to investigate how to design effective virtual reality-based training (i.e., virtual training) in maritime safety and to present methods for enhancing interface fidelity by employing immersive interaction and 3D user interface (UI) design. Background: Emerging virtual reality technologies and hardware enable to provide immersive experiences to individuals. There is also a theory that the improvement of fidelity can improve the training efficiency. Such a sense of immersion can be utilized as an element for realizing effective training in the virtual space. Method: As an immersive interaction, we implemented gesture-based interaction using leap motion and Myo armband type sensors. Hand gestures captured from both sensors are used to interact with the virtual appliance in the scenario. The proposed 3D UI design is employed to visualize appropriate information for tasks in training. Results: A usability study to evaluate the effectiveness of the proposed method has been carried out. As a result, the usability test of satisfaction, intuitiveness of UI, ease of procedure learning, and equipment understanding showed that virtual trainingbased exercise was superior to existing training. These improvements were also independent of the type of input devices for virtual training. Conclusion: We have shown through experiments that the proposed interaction design results are more efficient interactions than the existing training method. The improvement of interface fidelity through intuitive and immediate feedback on the input device and the training information improve user satisfaction with the system, as well as training efficiency. Application: Design methods for an effective virtual training system can be applied to other areas by which trainees are required to do sophisticated job with their hands.
이진기(Jinki LEE) 한국가족법학회 2010 가족법연구 Vol.24 No.3
The definition of de facto marriage means a partnership between a woman and a man willing to marry but is not yet officially accepted in Family Registration Book. Thus it is regarded as a quasi marriage. But legally it cannot be considered as a marriage with legal effects including the right to inheritance. Even though Supreme Court tends to give legal protection to de facto marriage, its importance can be actually certified only with relation to the matrimonial case, notwithstanding affecting personal status. This fact shows that in realty the theory of de facto marriage contributes very little to the difficulties around the matters of various forms of partnerships in society. In addition to it the intention of a partner who will not apply for the registration of marriage should be respected. That is the request of private autonomy and the Art. 36 Constitution. With the changing time many different types of partnerships emerge and make the role of de facto marriage narrower, it is strongly recommended to build a unified legal concept with which we can regulate and solve legal problems rising from new legal phenomena. The best solution is naturally the way of legistration.
리튬이온전지용 양극활물질 폐기물로부터 침출 및 용매추출에 의한 코발트의 분리
정진기,이재천,김민석,김치권 한국공업화학회 2005 응용화학 Vol.9 No.1
LiCoO₂ that is used as an cathode active material of lithium ion batteries has been generated as a waste for manufacturing the batteries. As a method for recycling the waste, solvent extraction was carried out to separate cobalt from the leaching solution of the waste. Many researchs were conducted for recovering Li and Co from waste lithium ion batteries. However, little were reported for recovering Li and Co from wastes generated for manufacturing the lithium ion batteries. In the study, the experiments of leaching and solvent extraction were conducted to recover Li and Co from the waste. The effects of operational variables on the concentration of sulfuric acid, temperature, agitation rate, the addition amount of H₂O₂, and pulp density were investigated. The leaching rate of Li was larger than that of Co under the experimental conditions, and the leaching rate of Li and Co was increased with increasing the concentration of sulfuric acid, temperature, agitation rate, and the addition amount of H₂O₂. There are also differences between the leaching results of wastes generated for manufacturing the lithium ion batteries and that of waste lithium ion batteries. Solvent extraction was carried out using Na-CYANEX 272, and cobalt was separated from the leaching solution of the waste.