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박나영 ( Nayoung Park ),민상희 ( Sanghee Min ),우혜경 ( Hyekyung Woo ) 한국보건정보통계학회 2023 보건정보통계학회지 Vol.48 No.2
Objectives: Several panel surveys have recently been accumulated for various purposes in Korea, and vast amounts of data have been built over a long period of time. However, there are still no networks or platforms that can provide integrated information about existing panel data. In this paper, panel data, which is widely used on healthcare research, was reviewed and future suggestions were proposed in establishing panel data. Methods: This study classified and analyzed 9 types of panel data commonly used in healthcare research according to their status, sample composition, sample retention rate, survey items, and other characteristics. Results: The use of panel data is particularly useful for longitudinal analyses, such as examining health trajectories or identifying causal relationships with influencing factors. To utilize panel data effectively for healthcare research, efforts are needed to establish links between panel data and administrative data, provide post-survey management support, and ensure continuous quality improvement. Conclusions: It is very important to establish the integration platform for various panel data and administration data. If we develop strategies for quality management for it, the value of panel data and utilization of researchers will be enhanced.
박나영(Park, Nayoung) 한국음운론학회 2014 음성·음운·형태론 연구 Vol.20 No.3
For the purpose of investigating not only gradient but also categorical phonotactic constraints in Korean, this study explores the machine learning of phonotactic constraints in Korean. In so doing, it focuses on phonotactic differences between native and Sino-Korean nouns. Employing 5,543 native Korean and 29,869 Sino-Korean words as the input training data, I ran a learning simulation, using a Maximum Entropy phonotactic model (Hayes and Wilson 2008). Based on the statistical distribution of the input data, markedness constraints were created with their own weights, the size of which reflects their gradient strength. The simulation results mostly confirm previous descriptions of phonotactics in Korean (for instance, no word-initial tense consonants in Sino-Korean). In addition, some previously unreported patterns were found.
박나영(Nayoung Park),민세림(Serim Min),손영후(Young Hu Shon),남진현(Jin Hyun Nam),권순홍(Sun-Hong Kwon) 대한약학회 2021 약학회지 Vol.65 No.6
Unapproved investigational drugs have substantial uncertainty in terms of efficacy and safety. The compassionate use of investigational drugs, nevertheless, provides a patient with a serious disease or life-threatening condition a pathway to access unauthorized medications. This has gained significant traction during the Coronavirus 2019 disease pandemic. We review the laws and regulations of programs in the United States of America, Australia, the United Kingdom, and South Korea, where such programs are currently in effect, specifically on the following aspects: regulations, requirements, eligible patients, charges, and patient safety plans. Additionally, we investigated therapeutic-approval cases in South Korea from January 2016 to March 2021.
박나영(Park, NaYoung) 한국음운론학회 2011 음성·음운·형태론 연구 Vol.17 No.2
The purpose of this paper is to provide a unified analysis of multiple vowel-hiatus resolving processes attested in Seoul Korean verb conjugation. Different processes may usually be adopted depending on the stem-final vowel quality. When the stem-final vowel is /ɨ/, it is obligatorily deleted (e.g. k’ɨ + ʌ→ k’ʌ). In contrast, when stem-final vowels are /i, u, o/, they are subject to various processes including glide formation and glide insertion: for instance kiʌ ~ kiyʌ, and tuʌ ~ tuwʌ. In addition, when the stem-final vowel is /u/, it may delete (e.g. katuʌ ~ katʌ) or undergo coalescence with the following suffixal vowel (e.g. tuʌ ~ to). To explain the occurrence of these multiple hiatus-resolution processes, Kim(2000) proposes a constraint-based analysis crucially based on faithfulness constraints for vowel features whose mutual rankings are as follows: MAX-[-high], MAX-[-back] ≫ MAX-[round] ≫ MAX-[+high], MAX- [+back]. To explain a variety of attested patterns, these faithfulness constraints interact with various other constraints, those prohibiting glide formation, glide insertion, /u/-deletion, and vowel coalescence. As for the variation, Kim(2000) adopts two mechanisms based on speech styles. The variations in the casual speech style are analyzed by free rankings of constraints. By contrast, for the variations (retention vs resolution) between two different speech styles (careful vs casual), Kim(2000) adopts “FLOATING” ONSET which can freely change its relative ranking. However, the function of the floating “ONSET” overlaps with that of its conventional correspondent ONSET. To improve an analysis, this paper reanalyzes optional and obligatory resolutions by adopting Partially Ordered Constraint Theory(Anttila 1997). In this theory the rankings of constraints are partial, not total. Specifically, I have proposed three strata, each of which includes constraints contributing to the occurrence of free variation. Constraints in different strata interact with each other to produce obligatory patterns.
정수슬러지 유래 흡착제와 첨착활성탄의 암모니아 및 포름알데히드 기체 흡착 성능 비교
이철호 ( Choul Ho Lee ),박나영 ( Nayoung Park ),김고운 ( Goun Kim ),전종기 ( Jong-ki Jeon ) 한국공업화학회 2016 공업화학 Vol.27 No.1
In this study, a pellet-type adsorbent was prepared by using the water-treatment sludge as a raw material, and its physical and chemical properties were analyzed through N2-adsorption, XRD, XRF, and NH3-TPD measurements. Adsorption performance for gaseous ammonia and formaldehyde was compared between the pellet-type adsorbents prepared from water-treatment sludge and the impregnated activated carbon. Although the surface area and pore volume of the pellet-type adsorbent produced from water- treatment sludge were much smaller than those of the impregnated activated carbon, the pellet-type adsorbent produced from water-treatment sludge could adsorb ammonia gas even more than that of using the impregnated activated carbon. The pellet-type adsorbent prepared from water-treatment sludge showed a superior adsorption capacity for ammonia which can be explained by chemical adsorption ascribed to the higher amount of acid sites on the pellet-type adsorbent prepared from water-treatment sludge. In the case of formaldehyde adsorption, the impregnated activated carbon was far superior to the adsorbent made from the water-treatment sludge, which can be attributed to the increased surface area of the impregnated activated carbon.