http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
박유경,박지은,황승재,정병룡 한국원예학회 2012 Horticulture, Environment, and Biotechnology Vol.53 No.6
The effect of light source and CO2 concentration on the growth and anthocyanin content of lettuce (Lactuca sativa L. ‘Seonhong Jeokchukmyeon’) grown in growth chambers was examined. The plant was grown under 140 µmol・m-2・s-1 PPF provided by either cool white fluorescent lamps (F, the control), white (W) light emitting diodes (LEDs), or a 8:1:1 mixture of red, blue and white (RBW) LEDs. Carbon dioxide concentration of the atmosphere was maintained at either 350, 700, or 1,000 μmol・mol-1. The RBW treatment promoted vegetative growth of the shoot and root. Chlorophyll fluorescence (Fv/Fm) was not significantly affected by the light source and CO2 concentration. Total anthocyanin content of the plant supplied with 1,000 μmol・mol-1 CO2 was the greatest in the F treatment. Photosynthetic rate significantly increased with the increasing CO2 concentration. These results suggested that the RBW which provided a wider spectrum of PAR and the highest CO2 concentration provided the most the suitable environment condition for vegetative growth of lettuce among the tested light sources. To obtain plants with even higher quality, especially having greater content of anthocyanin, however, more considerations on supplemental light source including white LED are necessary in terms of optimum intensity, photoperiod, and optimum ratios of mixing with other LEDs.
박유경,홍상필,임상동 한국낙농식품응용생물학회 2022 Journal of Dairy Science and Biotechnology (JMSB) Vol.40 No.3
This study was conducted using response surface methodology (RSM) to elucidate fermentation conditions that will optimize ACE inhibitory activity using Lactiplantibacillus plantarum K79. Four independent variables [skim milk (with 1% added glucose) concentration (6%– 14%), incubation temperature (32℃–42℃), incubation time (8–24 h), and amount of added starter (0.02%–0.2%)] were evaluated using five-level central composite design and response surface methodology to determine the optimum fermentation condition. The dependent variables were angiotensin converting enzyme (ACE) inhibitory activity (the value obtained from 102 diluted supernatant), and pH. The respective coefficients of determinations (R 2 ) were 0.791 and 0.905 for ACE inhibitory activity and pH. The maximum ACE inhibitory activity was 90% under the following conditions: 10% skim milk (with 1% added glucose) concentration, 37℃ incubation temperature, 17.8 h incubation time, and 0.2% added starter. Based on the RSM, using predicted best ACE conditions for fermentation of 13.49% skim milk (with 1% added glucose) with 0.0578% starter at 33.4℃ for 21.5 h, the predicted ACE inhibitory activity and pH values were 86.69% and 4.6, respectively. Actual ACE inhibitory activity and pH values were 85.5% and 4.58, respectively.
한국판 주산기 외상 후 스트레스장애 척도의 신뢰도 및 타당도
박유경(Park, Yu Kyung),주현옥(Ju, Hyeon Ok),나현주(Na, Hunjoo) 한국간호과학회 2016 Journal of Korean Academy of Nursing Vol.46 No.1
Purpose: The Perinatal Post-Traumatic Stress Disorder Questionnaire (PPQ) was designed to measure post-traumatic symptoms related to childbirth and symptoms during postnatal period. The purpose of this study was to develop a translated Korean version of the PPQ and to evaluate reliability and validity of the Korean PPQ. Methods: Participants were 196 mothers at one to 18 months after giving childbirth and data were collected through e-mails. The PPQ was translated into Korean using translation guideline from World Health Organization. For this study Cronbach’s alpha and split-half reliability were used to evaluate the reliability of the PPQ. Exploratory Factor Analysis (EFA), Confirmatory Factor Analysis (CFA), and known-group validity were conducted to examine construct validity. Correlations of the PPQ with Impact of Event Scale (IES), Beck Depression Inventory II (BDI-II), and Beck Anxiety Inventory (BAI) were used to test a criterion validity of the PPQ. Results: Cronbach’s alpha and Spearman-Brown split-half correlation coefficient were 0.91 and 0.77, respectively. EFA identified a 3-factor solution including arousal, avoidance, and intrusion factors and CFA revealed the strongest support for the 3-factor model. The correlations of the PPQ with IES, BDI-II, and BAI were .99, .60, and .72, respectively, pointing to criterion validity of a high level. Conclusion: The Korean version PPQ is a useful tool for screening and assessing mothers’ experiencing emotional distress related to child birth and during the postnatal period. The PPQ also reflects Post Traumatic Stress Disorder’s diagnostic standards well.
영어권 한국어 학습자의 척도 함축 해석에 대한 실험 연구
박유경,김영은 연세대학교 언어정보연구원 2022 언어사실과 관점 Vol.55 No.-
This study aims to explore second language acquisition of the scalar implicatureby English-speaking learners of Korean. To this end, we designed two scalarimplicature tasks in Korean and English. Experiment 1 provided a sentenceevaluation task with no context classified in terms of informational strength andfelicity. In Experiment 2, the participants were asked to determine the felicity oftarget sentences with scalar or logical reading in a given context that triggersscalar interpretation. In both experiments we analyzed the acceptance rate onscalar implicatures and found that there was a difference in the acceptance ratebetween native Koreans and English learners of Korean. This indicates the scalarinterpretation in L2 processing is more effortful than in one’s native language. We found that the experimental methods between Experiment 1 and 2 did notaffect the results. In both experiments, the acceptance rate on scalar interpretationby L2 learners was lower than by L1 speakers. We also found that the acceptancerate varies depending on lexical items: For example, both ‘myechmyech’ and‘etten’ correspond to English ‘some’, but the acceptance rate on scalarinterpretation with ‘myechmyech’ was higher than the acceptance rate with‘etten’. This suggests that we need to closely examine the semantic properties ofthe lexical items that seemingly have one-to-one correspondences between L1 andL2. The results in this study support the claim that the processing of scalarimplicature is effortful, so L2 learners have difficulty interpreting sentences withscalar items. .