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김재은,김한솔,진효정,최솔잎,한예진,현다연,김정연,이현아,손민우,김옥진 한국동물매개심리치료학회 2017 한국동물매개심리치료학회지 Vol.6 No.2
최근 한국 사회는 반려견을 키우는 인구가 빠르게 증가하고 있다. 한국 사회의 주거환경 특성상 소형 견종을 반려하는 가정이 많은데, 시츄, 말티즈, 푸들 등이 이에 해당한다. 이들 견종은 흐르는 눈물 과다로 인한 문제를 겪는 대표적인 견종이다. 이를 개선하기 위하여 현재 시중에는 이미 다양한 제품이 나와 있으나 그중 몇 가지 제품에서 타일로신이 발견되어 논란이 되었다. 타일로신은 설사 위장장애 등의 부작용을 야기하여 수의사의 처방이 필요한 항생제이다. 이 때문에 한약재(Compound A, Compound B)을 활용하여 부작용이 없는 안전한 보조제를 개발하고자 한다. 실험에 참여하는 반려견의 몸무게에 비례하여 2주간 보조제를 복용하고 눈물검사키트를 사용하여 전과 후를 비교하고 육안으로 확인되는 변화를 관찰한다. 실험 결과 전체적으로 흐르는 눈물의 양이 감소하였고, 부가적으로 발견한 효과로 눈물양이 부족하거나 과다한 반려견의 눈물양이 정상화된 것을 발견할 수 있었다.
고엔트로피합금 분말야금재와 알루미늄 주조재 사이의 계면 반응 연구
김민상,손한솔,정차희,한주연,김정준,김영도,최현주,김세훈 한국분말재료학회 2022 한국분말재료학회지 (KPMI) Vol.29 No.3
This study investigates the interfacial reaction between powder-metallurgy high-entropy alloys (HEAs) and cast aluminum. HEA pellets are produced by the spark plasma sintering of Al0.5CoCrCu0.5FeNi HEA powder. These sintered pellets are then placed in molten Al, and the phases formed at the interface between the HEA pellets and cast Al are analyzed. First, Kirkendall voids are observed due to the difference in the diffusion rates between the liquid Al and solid HEA phases. In addition, although Co, Fe, and Ni atoms, which have low mixing enthalpies with Al, diffuse toward Al, Cu atoms, which have a high mixing enthalpy with Al, tend to form Al–Cu intermetallic compounds. These results provide guidelines for designing Al matrix composites containing high-entropy phases.
Direct energy deposition 공정을 이용한 Fe-Mn-Al-C계 저망간 경량철강 제조
고광규,손한솔,정차희,배효주,박은혜,김정기,최현주,설재복 한국분말재료학회 2022 한국분말재료학회지 (KPMI) Vol.29 No.4
Lightweight steel is a crucial material that is being actively studied because of increased carbon emissions, tightening regulations regarding fuel efficiency, and the emergence of UAM, all of which have been recently labeled as global issues. Hence, new strategies concerning the thickness and size reduction of steel are required. In this study, we manufacture lightweight steel of the Fe-Mn-Al-C system, which has been recently studied using the DED process. By using 2.8 wt.% low-Mn lightweight steel, we attempt to solve the challenge of joining steel parts with a large amount of Mn. Among the various process variables, the laser scan power is set at 600 and 800W, and the laser scan speed is fixed at 16.67 mm/s before the experiments. Several pores and cracks are observed under both conditions, and negligibly small pores of approximately 0.5 μm are observed.
최은혜,김민정,김영빈,류한주,이한솔,손다정,문미경 경북대학교 간호혁신연구소 2016 경북간호과학지 Vol.20 No.1
Purpose: This study aims to identify the ability and range of the smartphone utilization among the elderly. Moreover, the relationships among mental health, health behavior, and the ability and range of the smartphone utilization were identified. Methods: A survey was conducted on 150 elders (age over 55 from July 24, to August 7, 2015.) We analyzed the survey data from 150 responses, excluding unreturned or incomplete surveys by using SPSS 22.0. Results: 46.0% of the respondents had smartphones and 47.8% of them use smartphones to seek health information. The average scores of the ability and range the smartphone utilization were 20.05 and 43.42. Factors that influence the ability of smartphone utilization were gender, educational level, and employment status. Age and level of education were factors that influence the range of smartphone utilization. The higher scores in the ability and range of smartphone utilization indicated a higher level of health information usage. The health information user group had a higher depression score compared with non-user group. Conclusion: The finding provides the basic information about the smartphone utilization among the elderly. Further study about the relationship between health behavior and smartphone utilization are needed.
한우에서 고온스트레스에 의한 Mannheimiosis 발생 증례
이정원 ( Jeong Won Lee ),손구례 ( Ku Rye Shon ),정한솔 ( Han Sol Jeong ),고원석 ( Won Seok Ko ),임채웅 ( Chae Woong Lim ),김범석 ( Bum Seok Kim ) 한국동물위생학회 2015 韓國家畜衛生學會誌 Vol.38 No.3
Mannheimia haemolytica is an opportunistic bacterium that is widely recognized among the bovine respiratory disease (BRD) complex in cattle. Five Hanwoo with a history of fever, anorexia and dyspnea were died within 2 days in a the middle of summer. Four cattle were pregnant. The cattle house were located in mountainous area but the window for air ventilation was open only one side. In addition, the fecal material for fermentation was located indoor. Air ceiling fan did not work. The indoor temperature was 40oC. After working on air fan, the indoor temperature was still 36oC. On necropsy, there was fibrinous pleuritis with a rich yellowish pleural fluids in the thorax. The cross-section of the lung showed lobar fibrinonecrotic pneumonia with expanded interlobular septa by edema and fibrin. Microscopically, parenchymal necrosis with dense layer of inflammatory cells were observed surrounding interlobular septum. Fibrin and inflammatory cells were filled in the alveoli. Bacteriological cultures of pulmonary tissue showed growth of M. haemolytica. This pneumonia case in Hanwoo suggests that environmental stressors such as high temperature, insufficient air ventilation, and pregnancy be the cause of mannheimoisis. Control of environmental stressor, such as temperature indoor is necessary to prevent BRD caused by M. haemolytica.
외상 후 스트레스 장애(PTSD)의 정신치료에 대한 양ㆍ한방 비교 고찰
박아름 ( Areum Park ),박세진 ( Se-jin Park ),손아현 ( Ah-hyun Son ),허한솔 ( Han-sol Hur ) 대한한방신경정신과학회 2018 동의신경정신과학회지 Vol.29 No.1
Objectives: The purpose of this study is to compare the Korean-medical and the Western-medical psychotherapy on PTSD for improving the Korean-medical psychotherapy on this issue. Methods: We surveyed recent articles relating to psychotherapy on the incidence of PTSD. Results: Under the circumstances of this study, we note that applying the qigong therapeutics would be helpful when conducting relaxation training on the identified PTSD patients. We understand that taking a systematic desensitization style in the use of the kyungja-pyungji treatment is recommended. It would also be more effective to combine other treatments such as the use of the I-Jeong-Byeon-Gi Therapy and the five minds mutual restriction therapy. We have shown that by using the five minds mutual restriction therapy for the imagery rescripting has a better a synergy effect for optimum patient outcomes for patients who have been diagnosed with PTSD. Conclusions: Our study has shown that by improving the shortcomings of the Korean psychotherapy and utilizing Western psychotherapy’s merits, we expect to increase the efficacy of the Korean psychotherapy with these recommendations for changes in this case.