• Child Health Nursing Research
• /
• 제29권2호
• /
• pp.149-160
• /
• 2023

Purpose: Based on the health belief model and theory of planned behavior, this study investigated how age group (adolescence and emerging adulthood) moderated the relative effects of perceived susceptibility, perceived severity, and subjective norms on preventive behavior against coronavirus disease 2019 (COVID-19). Methods: This secondary data analysis utilized data from adolescents (n=272) and emerging adults (n=239). Hierarchical multiple regression analysis was performed to test the moderating effect of age group on the relationships among variables. Results: Higher perceived susceptibility (β=.21, p<.001), perceived severity (β=.14, p=.002), subjective norms (friends) (β=.26, p<.001), subjective norms (parents) (β=.44, p<.001), and subjective norms (schools) (β=.28, p<.001) enhanced COVID-19 preventive behaviors. Moderated regression analysis showed that subjective norms (friends and school) impacted preventive behavior in adolescents more than in emerging adults. Conclusion: Given the need to increase perceived susceptibility and severity among adolescents and emerging adults, these findings provide baseline data for designing effective COVID-19 prevention interventions that consider the developmental characteristics of different age groups. Interventions by health centers at universities can strengthen COVID-19 preventive behavior among emerging adults. As adolescents are influenced by friends, their peer roles must be strengthened to enhance adherence to COVID-19 preventive guidelines.

• 한국해양생명과학회지
• /
• 제3권1호
• /
• pp.1-8
• /
• 2018

Myosin is considered as the vital motor protein in vertebrates and invertebrates. Our present study was conducted to decipher the occurrence of myosin in dog fish (Squalus mitsukurii). We isolated one clone containing 979 bp cDNA sequence, which consisted of a complete coding sequence of 453 bp and a deduced amino acid sequence of 150 amino acids from the open reading frame with molecular weight, isoelectric point and aliphatic index are 16.72 Kda, 4.49 and 78.00, respectively. It contained 428 bp long 3' UTR with single potential polyadenylation signals (AATAAA). The predicted EF CA²⁺ binding domains were identified in residue 6-41, 83-118 and 133-150. A BLAST search indicates this protein exhibits a strong similarity to whale shark (Rhincodon typus) MLC3 (91% identical) and also house mouse (Mus musculus) MLC isoform 3f (81% identical). Phylogenetic analysis revealed that this protein is a MLC 3 isoform like protein. This protein also demonstrates highly conserved region with other myosin proteins. Homology modeling of S. mitsukuri was performed using crystal structure of Gallus gallus skeletal muscle myosin II based on high similarity. Reverse transcription-polymerase chain reaction (PCR), quantitative PCR results exhibits dogfish myosin protein is highly expressed in muscle tissue.

• 천문학회보
• /
• 제46권2호
• /
• pp.72.3-73
• /
• 2021

Baryon Acoustic Oscillations (BAO) are caused by acoustic density waves in the early universe and act as a standard ruler in the clustering pattern of galaxies in the late Universe. Measuring the BAO feature in the 2-point correlation function of a sample of galaxies allows us to estimate cosmological distances to the galaxies mean redshift, , which is important for testing and constraining the cosmology model. The BAO feature is also expected to appear in the higher order statistics. In this work we measure the generalized spatial N-point point correlation functions up to 4th order. We made measurements of the 2, 3, and 4-point correlation functions in the SDSS-III DR12 CMASS data, comprising of 777,202 galaxies. The errors and covariances matrices were estimated from 500 mock catalogues. We created a theoretical model for these statistics by measuring the N-point functions in halo catalogues produced by the approximate Lagrangian perturbation theory based simulation code, PINOCCHIO. We created simulations using initial conditions with and without the BAO feature. We find that the BAO is detected to high significance up to the 4-point correlation function.

• Educational Technology International
• /
• 제25권1호
• /
• pp.129-159
• /
• 2024

The purpose of this study was to examine changes in students' awareness of online classes in university education over the three years from 2020 to 2022 during the COVID-19 pandemic. To achieve this, various aspects of online classes, including self-directed learning, interaction (between instructors and learners, and among learners), evaluation of the learning process and outcomes, and the learning environment and control of learning, were analyzed for changes from 2020 to 2022. The study included 534 university students enrolled in University A who participated in online classes in both 2020 and 2021. The results indicated that there was no significant difference in the awareness of self-directed learning, but significant differences were found in the awareness of interaction, evaluation of the learning process and outcomes, and the challenge related to learning environment and control of learning in online classes, which were higher in 2021 and 2022 than in 2020. Additionally, detailed changes in awareness of online classes showed significant differences in specific aspects of awareness in university online classes. In summary, students' awareness of online classes improved in 2021 and 2022 compared to 2020, as learners adapted to online classes due to the COVID-19 pandemic. Moreover, it was observed that difficulties in the challenge related to learning environment and control of learning were overcome in 2021. Based on these research findings, several implications for improving the design and operating strategies of effective online classes in future university education were proposed.

• 한국전통조경학회지
• /
• 제29권3호
• /
• pp.106-115
• /
• 2011

대전 무수동에 가꾸어진 유회당 원림(하거원)의 산수체계 및 문화경관 구성요소를 '유회당집'(18C)에 근거하여 분석한 연구 결과는 다음과 같다. 유회당(권이진)은 보문산 남쪽 지맥 무수동에 자신의 이상세계를 반영한 하거원 원림을 경영했다. 즉, 1707년 마을 뒷동산에 선묘를 자리잡은 이후 시묘소(삼근정사) 조성, 1713년 납오지, 1714년 반환원, 그리고 1727년에 외부공간을 확충하여 하거원 원림을 완성했다. 마을의 산수체계는 대둔산-오대산-보문산이 차례로 이어져 주맥을 이루는데, 주산인 보문산의 지맥(응봉)에서 동쪽으로 뻗은 구릉이 청룡이며, 보문산의 서쪽 지맥(천근과 사정)이 백호이고, 남산은 안산이 된다. 한편, 주륜산에서 발원한 서남쪽 내(川)가 외명당수가 되고, 응봉에서 발원한 계류(내명당)가 마을 동쪽을 관류하여 남서쪽으로 출수되는 배산임수 체계를 보여준다. 마을 동쪽으로 펼쳐지는 계류와 자연 암반 등 자연경관을 활용하여 조성된 초기의 정원(반환원)은 납오지, 활수담, 고수대, 수미폭포, 도경(복숭아나무 오솔길), 오덕대(감나무), 매룡(매화나무), 샘, 배경대 등으로 구성되었다. 반환원을 확장하여 조성된 하거원은 계류와 4개의 연못, 5개의 대(臺)와 3개의 대숲(竹林), 그리고 석가산 축경원 등 수목석 경색(景色)이 어우러진 원림을 구축했다. 의미경관 요소로 (1) 부모님 추모를 위한 유회당, (2) 가문 화합을 염원한 납오지, (3) 절개를 귀하게여긴 고수대, (4) 덕과 지혜의 의미를 일깨운 오덕대, (5) 고매한 인간됨을 염원한 수미폭포, (6) 상서로움을 취한 요천대, (7) 은일자의 삶을 대입시킨 수만헌과 기궁재, (8) 가문과 학문 발전을 염원한 활수담, (9) 선조의 은혜를 일깨운 몽정, (10) 은둔자의 모습을 표현한 석가산, (11) 묘역지킴의 기쁨과 은퇴후의 삶을 위한 하거원 등을 들수 있다. 하거원의 공간구성체계는 (1) 유회당 내원(內園: 납오지와 죽천당, 오덕대, 도경과 후정 등), (2) 수만헌별업(유회당 후원(後園): 석연지와 요천대, 수만헌과 배경대, 암석원 등), (3) 석가산(12봉) 축경원(縮景園, 수만헌 동원(東園): 활수담과 수미폭포, 12봉 가산 등), (4) 마을 뒷동산에 자리잡은 선조들의 묘원(墓園), 그리고 여경암 암자와 산신각(공동체 토속신앙 제례처), 거업재(서당) 등은 유불선(儒彿仙)이 융화된 선경처로서 원근의 계절미를 시원스럽게 부감(俯瞰)할 수 있는 차경원(借景園)으로 구성된다.

• International Journal of Fuzzy Logic and Intelligent Systems
• /
• 제8권1호
• /
• pp.42-51
• /
• 2008

We believe that smart spaces, offering pervasive services, will proliferate. However, at present, those islands of smart spaces should be joined seamlessly with each other. As users move about, they will have to roam from one autonomous smart space to another. When they move into the new island of smart space, they should setup their devices and service manually or not have access to the services available in their home spaces. Sometimes, there will conflicts between users when they try to occupy the same space or use a specific device at the same time. It will also be critical to elder people who suffer from Alzheimer or other cognitive impairments when they travel from their smart space to other visited spaces (e.g., grocery stores, museums). Furthermore our experience in building the Gator Tech Smart House reveals to us that home residents generally do not want to lose or be denied all the features or services they have come to expect simply because they move to a new smart space. The seamless inter-space interaction requirements and issues are raised automatically when the ubiquitous pervasive computing system tries to establish the user's service environment by allocating relevant resources after the user moves to a new location where there are no prior settings for the new environment. In this paper, we raise and present several critical inter-space interactions issues impacting middleware architecture design of ubiquitous pervasive computing. We propose requirements for resolving these issues on seamless inter-space operation. We also illustrate our approach and ideas via a service scenario moving around two smart spaces.

• Child Health Nursing Research
• /
• 제26권2호
• /
• pp.286-295
• /
• 2020

Purpose: The purpose of this study was to review studies investigating the effect of bereavement care provided for parents in the neonatal intensive care unit. Methods: We conducted a literature review of databases (MEDLINE, Embase, Cochrane Library, and CINAHL) for studies published in English and four databases (RISS, KISS, NANET, and KoreaMed) for Korean studies. The selection criteria included original articles that evaluated the parents' perceptions or responses to bereavement care provided in the neonatal intensive care unit. Of 889 articles from the initial screening, 66 articles underwent full-text review and five articles were finally selected for analysis. Results: None of the studies was conducted in Korea. Only one study used a randomized control trial design. The forms of bereavement care reviewed included a provision of a memory package, grief information, and emotional and/or social support from peers or health care providers. The effectiveness of bereavement care was measured by including grief, social support, and depression. Conclusion: Bereavement care can be considered to be beneficial for relieving grief reactions and enhancing the personal growth of bereaved parents. Future research should assess the needs of bereaved parents in Korea. Nurses may play a role in developing the bereavement care for parents.

• 한국식품영양과학회지
• /
• 제12권1호
• /
• pp.12-18
• /
• 1983

An ecological survey of early childhood nutrition was conducted from January 23 to February 18, to study the feeding method and weaning practice in Whaseong-gun, Kyonggi-do. This study covered a total of 283 children. Seventy three percent of the subjects had been breast-fed; 10% had been bottle-fed; others had been combination-fed before the introduction of supplementary foods. Only 26.9% of the subjects began to be fed supplementary food before the age of 6 months. The supplementary food used most frequently by the majority of children at the beginning of weaning was plain cooked rice; rarely special preparation, or different from the food eaten by the family. As for age of termination of breast feeding, 42.7% of the subjects were before 12 months; 32.8% were between 13 and 18 months of age; 24.5% were more than 19 months old. As for methods of stopping breast feeding, 44.5% of the subjects were naturally terminated while 38.5% were forced to terminate by the application of sticking plaster or medicines to the mother's nipples. The results indicate a need for nutrition and hygiene intervention to improve the weaning practice of rural area through the community nutrition education.

• 한국신재생에너지학회:학술대회논문집
• /
• 한국신재생에너지학회 2005년도 춘계학술대회
• /
• pp.113-116
• /
• 2005

In this paper, silicon thin-film solar cells(Si- TFSC) and a-Si/c-Si heterojunction solar cells(HJ-cell) are investigated. The Si-TFSC was prepared on glass substrate by depositing $1-3{\mu}m$ thin-film silicons by glow discharge method. The $a-Si:H/{\mu}c-Si:H$ tandem solar cells on textured ZnO:A1 TCO (transparent conducting oxide) showed improved Jsc in top and bottom cells than that on $SnO_2:F$ TCO. This enhancement of jsc resulted from improved light trapping effect by front textured ZnO:A1. The a-Si/c-Si HJ-cells with simple structure without high efficiency features are suffering from low Voc and Jsc. The improvement of front nip and back interface properties by adopting high quality silicon-films at low temperature should be done both for increasing device performances and production cost.

• 벤처창업연구
• /
• 제15권4호
• /
• pp.17-25
• /
• 2020

벤처부채는 벤처의 스케일업 촉진을 위한 대표적인 자금공급 수단이다. 성장 단계에서 대규모 자금 공급이 필요한 벤처기업은 지분 희석 없이 벤처부채를 지렛대로 성장을 가속화할 수 있고, 벤처캐피탈은 투자 기업의 성장이 가속화됨으로써 신속히 투자자금을 회수할 수 있다. 은행은 벤처부채의 공급을 통해 대출에 편중된 자산운용을 다양화할 수 있고 자산수익률도 제고할 수 있다. 해외 실리콘밸리은행의 사례와 같이 벤처부채 공급을 위해서는 부채자본 공급자인 은행과 지분자본을 공급하는 벤처캐피탈의 긴밀한 협력이 전제되어야 한다. 이를 위한 시장 조성 방안으로 "신용위험 분담형 벤처대출"과 "벤처대출 풀링"을 제안한다. 전자는 모태펀드와 정책보증과 같은 정책금융기관이 벤처대출에 내재한 위험을 선별하거나 우선 인수함으로써 은행의 벤처투자 시장 참여를 촉진하며, 후자는 은행과 창업벤처전문 사모펀드가 공동으로 벤처대출을 증권화함으로써 은행의 개별적인 벤처대출 실행에 따른 부담을 감소시킨다.