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밀폐형 한돈 사육환경 내 전자 기판의 부식 양상과 개선을 위한 컨포멀 코팅 적용 효과 연구
박수인,채혜선,김인수 한국신뢰성학회 2022 신뢰성응용연구 Vol.22 No.1
Purpose: This study aimed to analyze the corrosion pattern on the circuit board of an environmental measurement instrument in a closed Korean pig breeding environment and to verify the effectiveness of conformal coating applied to the circuit board as a corrosion mitigation method. The closed Korean pig breeding environment was associated with factors such as humidity, dust, and corrosive gases in a complex manner, which can lead to corrosion and malfunction of the electronic measuring device. Thus, it was necessary to ensure the reliability of the device. Methods: A printed circuit board (PCB), which is a core element of electronic devices, was selected as the experimental material. Experimental specimens were divided into those coated with a conformal coating and those without conformal coating. The specimens were placed in a breeding environment to examine the corrosion patterns and effect of the coating. The corroded specimens were analyzed using cross-sections and scanning electron microscopy and energy-dispersive X-ray spectroscopy methods. Results: In specimens without conformal coating, corrosion of the PCB occurred in the solder, component mounting pads, and through-vias (except for the photo solder resist), and sulfur was detected in the oxides and corroded parts. No corrosion was detected in the specimens coated with conformal coating. Conclusion: In an environment such as that found in the closed Korean pig breeding area, it is necessary to protect sensitive electronics from external environmental factors, such as hydrogen sulfide, that can cause PCB corrosion of solder, component mounting pads, and through-vias. The application of conformal coating to the PCBs of electronic devices is expected to be an effective solution to prevent corrosion.
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Politicization of Life and Sovereign Right in Hobbes and Locke
박수인 한국정치학회 2016 한국정치학회보 Vol.50 No.3
In this essay, I read Hobbes’s Leviathan and Locke’s Second Treatise in light of the Foucauldian problematization of hybridization in early modernity of life-fostering governmentality and the sovereign right to kill. A reading of Hobbes and Locke, informed by a Foucauldian analysis of power, suggests in turn a need to complement the Foucauldian notion of politicization of life as a specific marker of modern political subjectivity with a recognition of human moral faculty as a central element of liberal political subjectivity. Foucault’s conception of biopolitical governmentality in contradistinction to the sovereign right of death enables us to confront as a problem, rather than accept as a truism, such themes as the natural right of man to self-preservation in Leviathan and security of property in the Second Treatise. Not only do these corporeal interests on the part of individuals serve as driving motivations for contractual state formation, but they also introduce constitutive instability in the so-constituted state’s sovereign right. Reflections on this constitutive instability of the contractarian state sheds light on the ignored element of modern political subjectivity―conscientious commitment to peace and justice, represented by Hobbes and Locke as commitment to the natural law.
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미술관 전시관람 경험형성에 미치는 SNS인플루언서의 영향력에 대한 현상학적 연구
박수인 한국문화예술경영학회 2022 한국문화예술경영학회 학술대회 Vol.2022 No.07
인플루언서의 역할은 현대인들의 소비 행동에 많은 영향을 미치며, SNS에 게재되는 그들의 전 시 콘텐츠는 예비 관람객에게 다양한 영향력을 행사하고 있다. 소셜 미디어에서 정보 제공자로 서 중요한 역할을 하고 있는 인플루언서의 영향력에 대한 연구가 필요한 시점이다. 이에 따라, 본 연구의 목적은 SNS 인플루언서에 의해 미술관 전시를 관람하게 되는 관람객의 경험이 어떻게 구성되는지 알아보고 인플루언서에 대한 영향력을 실증적으로 검증하는 것이다. 인플루언서에 의해 전시를 관람한 전시 관람객 총 6명을 선정하여 심층 인터뷰를 진행하였다. 연구 결과, 총 6개의 상위 구성요소와 17개의 하위 구성요소로 나뉘어졌으며 다음과 같은 결과 가 나타났다. 첫째, 예비 전시 관람객들은 SNS 인플루언서의 특성에 의해 그들의 콘텐츠에서 정 보 유용성을 지각한다. 둘째, 전시 관람객들은 주류 문화에 참여하려는 욕구와 더불어 자신의 취 향을 발현하려는 모습이 나타났다. 셋째, 전시 관람객은 SNS 인플루언서의 관람 방식을 모방하 고 자발적으로 학습하면서 경험에 대한 깊이를 다져간다. 넷째, 전시 관람객 또한 정보제공자로 역할이 전환되면서 정보와 관심을 확산시킨다. 본 연구를 통해 SNS 인플루언서가 예술에 대한 진입장벽을 낮추고 쉽게 관심을 유도하면서 전 시 관람객의 경험과 관람동기가 증대되고 있음을 확인할 수 있었다. 또한 인플루언서의 영향력 에 대한 현상학적 질적 연구방법을 통해 전시 관람객의 경험의 의미를 심도 있게 살펴보고, 이러 한 현상에 대해 유형화했다는 점에서 의의가 있다. 후속 연구를 통해 실증 분석을 실시하여 SNS 인플루언서가 전시 관람의 각 단계에서 미치는 영향력에 대해 통계적으로 유의미한 결과를 발 견할 수 있을 것으로 기대한다.
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박수인,허수현,이진서,신문삼 한국공업화학회 2020 한국공업화학회 연구논문 초록집 Vol.2020 No.-
In this study, arginine was conjugated with Pal-GHK to get Pal-GHK-R4 and wrinkle improvement clinical trials of cosmetics containing Pal-GHK-R4 were conducted. As a result of total 21 subjects used the test products 4 weeks use on the face area; 1) measurement results of crow’s feet, analysis value of crow’s feet statistically significantly decreased after 2 and 4 weeks; 2) measurement results of skin moisturization, measured value of skin moisture content statistically significantly increased after 2 and 4 weeks; measurement results of TEWL after 2 and 4 weeks use, measured value of TEWL statistically significantly decreased after 2 and 4 weeks use. 3) there was no skin adverse event reported after using the products during the study period. Therefore, the test products containing both wrinkle improving and skin penetrating peptides, Pal-GHK-R4 are considered to have beneficial effects on improvement of skin wrinkle, moisturization, TEWL after 2 and 4 weeks use of test product.
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박수인,박소희,이영주,박춘선,정영철,김선아 한국간호과학회 2020 Journal of Korean Academy of Nursing Vol.50 No.3
Purpose: The present study investigated the association between nurse staffing and health outcomes among psychiatric inpatients in Korea by assessing National Health Insurance claims data. Methods: The dataset included 70,136 patients aged 19 years who were inpatients in psychiatric wards for at least two days in 2016 and treated for mental and behavioral disorders due to use of alcohol; schizophrenia, schizotypal and delusional disorders; and mood disorders across 453 hospitals. Nurse staffing levels were measured in three ways: registered nurse-to-inpatient ratio, registered nurse-to-adjusted inpatient ratio, and nursing staff-to-adjusted inpatient ratio. Patient outcomes included length of stay, readmission within 30 days, psychiatric emergency treatment, use of injected psycholeptics for chemical restraint, and hypnotics use. Relationships between nurse staffing levels and patient outcomes were analyzed considering both patient and system characteristics using multilevel modeling. Results: Multilevel analyses revealed that more inpatients per registered nurse, adjusted inpatients per registered nurse, and adjusted inpatients per nursing staff were associated with longer lengths of stay as well as a higher risk of readmission. More adjusted inpatients per registered nurse and adjusted inpatients per nursing staff were also associated with increased hypnotics use but a lower risk of psychiatric emergency treatment. Nurse staffing levels were not significantly associated with the use of injected psycholeptics for chemical restraint. Conclusion: Lower nurse staffing levels are associated with negative health outcomes of psychiatric inpatients. Policies for improving nurse staffing toward an optimal level should be enacted to facilitate better outcomes for psychiatric inpatients in Korea.
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