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부정 의문문 ‘?지 않아?’에 나타나는 비중립적 태도 의미에 대하여
박유경 우리말학회 2017 우리말학회 학술대회지 Vol.0 No.-
(2ㄱ)과 같은 부정 의문문은 (1)과 같은 긍정 의문문과는 달리 화자가 명제 내용에 대하 여 사실 여부를 ‘확인’하는 용법으로 쓰일 수 있다 (김동식 1981, 장경희 1982, 장석진 1984, 김미희 2010 등). 이 때 부정 의문문은 (2ㄴ)에 나타난 것과 같이 명제 내용에 대한 화자의 비중립적 태도를 함축한다.
박유경,김봉선(Bongsun Kim),유성민(SungMin Rue) 한국정보기술학회 2015 한국정보기술학회지 Vol.13 No.1
스마트기기의 발전으로 PC에서만 가능한 업무처리를 스마트폰으로도 가능하게 되었다. 이에 따라 기업에서는 개인의 스마트기기를 회사에 가져와서 업무를 처리할 수 있는 BYOD (Bring Own Your Device)문화가 확산되고 있다. 참고로 모바일로 업무를 처리하는 문화를 또다른 용어로 ‘모바일오피스’라 한다. 모바일오피스 (혹은 BYOD) 문화 확산으로 기업에서 뿐만 아니라 언제 어디서든지 업무처리가 가능하게 되었다. 그리고 이러한 편리성은 기업의 임직원들에게 편리함은 물론 업무의 생산성을 올려줄 수 있게 되었다. 그러나 기업의 공용 단말기가 아닌 개인단말기로 업무를 처리하기 때문에 ‘보안’ 이슈가 생기게 되었다. 그래서 모바일오피스의 보안문제를 해결하고자 모바일오피스 기술들이 개발되도 적용되어 운용 중에 있다.
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. .
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.