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권영순,김정희,박기채,Kwon Young-Soon,Kim Jung-Hee,Park Kee-Chae 대한화학회 1976 대한화학회지 Vol.20 No.6
AgI 가루에 PVC를 섞어 Infrared Pellet Presser로 눌러 만든 Pellet을 이용하여 막전극을 만들고 이것을 지시전극으로 사용하여 $Ag^+$의 활동도에 대한 전위를 측정하였다. 이 막전극의 특성을 순수한 AgI pellet와 PVC로 표면을 입힌 AgI pellet을 이용한 두 막전극의 특성과 비교하였다. 이들 막전극의 은이온 활동도에 대한 감응은 은이온의 농도가 $10^{-1}$M에서 $10^{-6}$M 까지의 범위에서 좋은 직선을 보여준다. 그러나 그 중에서도 AgI가루에 PVC를 섞어서 만든 막전극이 Nernstian 기울기에 가장 잘 맞고 견고하고 장시간 사용할 수 있어 가장 우수함을 알 수 있었다. 이 전극은 은이온 이와의 다른 양이온에 대하여는 거의 감응하지 않고 할로겐화이온, 즉$I^-,CI^-,Br^-,CN^-$에 대한 감응도는 $10^{-1}$M에서 $10^{-6}$M까지 직선관계를 유지하였다. 이 전극은 단일 할로겐화이온 뿐 아니라 할로겐화이온의 혼합시료 용액의 전위차 은법적정에 지시전극으로 이용될 수 있음을 알았다. The PVC mixed silver iodide pellet was prepared by means of the Infrared Pellet presser and the pellet was used as an indicating membrane electrode, to measure the potentials for various silver ion activities, ranging from $10^{-1}$ to $10^{-6}$ M. The potential responses to silver ion activities were linear and the slope was much close to Nernstian relation as compared with that of the pure silver iodide pellet membrane electrode and the PVC coated silver iodide pellet membrane electrode. The mechanical property and chemical durability of this electrode were found much better than the others. This electrode did not show significant response to the other except silver ion, but had good response to halide ions, i.e., iodide, chloride, bromide and cyanide ions, in the concentration range $10^{-1}$ to $10^{-6}$ M. This electrode could be used as an indicating electrode in potentiometric titrations of single halide ion and also halide mixture with standard solution of silver nitrate.
권영순(Young-Soon Kwon) 인문사회과학기술융합학회 2019 예술인문사회융합멀티미디어논문지 Vol.9 No.5
본 연구는 C시에 거주하면서 ‘노인 일자리 사업’에 참여하는 60세 이상 노인 대상자를 중심으로 구직활동의 경험을 서술하고 본질과 구조를 밝히기 위하여 Colaizzi(1978)[7]의 현상학적 연구방법을 적용한 질적연구이다. 연구참여자는 총 10명으로, 자료수집방법은 개별 심층면담 및 참여관찰, 전화상담을 통해 이루어졌다. 면담시간은 1시간 50분가량 소요되었고, 각 연구참여자는 1-2회 면담을 실시하였다. 자료수집기간은 2018년 3월부터 8월까지이며, 자료분석은 Colaizzi(1978)[7]의 현상학적 연구 분석방법을 이용하였다. 연구결과 4개의 주제군으로 범주화하였으며, 범주화된 3개의 주제군은 ‘황혼구직의 고달픔’, ‘성인자녀들에게 부담을 주기 싫음’,‘지지적인 관계에서 서로 위로받음’, ‘무료한 일상에서 일하는 즐거움’으로 확인되었다. 결론적으로, 고령자의 구직활동경험의 본질은 심리적으로 위축되고, 육체적으로 고단하고 힘이 들지만, 같은 처지에 있는 사람들과의 지지적인 관계망 속에서 서로 교감하여 무료하고 지루한 일상에 소소한 일이라도 함으로써 찾게 되는 삶의 활력소 인 것으로 나타났다. 이와 같은 연구결과를 통해 다음과 같이 제언하고자 한다. 첫째, 인구 고령화에 따른 고령 근로자의 개별 능력과 특성을 고려한 경쟁력 제고가 필요하다. 둘째, 노인 일자리를 통한 사회적 상호작용의 기회를 증가시켜 사회활동에 요구되는 건강을 스스로 수용하고 잘 극복할 수 있도록 정서적 지지체계망 구축이 필요함을 제언한다. This study is applied to the developmental research method of Colaizzi (1978)[7] to describe the experience of job-seeking activities and to clarify their nature and structure among people over 60 years of age who live in C city. The total number of participants in the study was 10 and the data collection method was conducted through individual in-depth interviews, participating observation, and telephone consultation. The interview took about 1 hour and 50 minutes, and each participant was interviewed 1-2 times. The data collection period will be from March to August 2018 and the data analysis will be performed using the Phenomenological Analysis Method of Colaizzi (1978)[7]. The study categorized the three main groups of subjects into four categories: the ‘exhausted in the twilight job seeking’, ‘Don t want to burden my child’, ‘receive support from one another’ and ‘making boring day life enjoyable throught work’. In conclusion, the nature of the job-seeking experience of older people has been shown to be mentally diminished, physically exhausted and difficult, but by interacting and finding each other in a supportive network with people in the same situation, free and boring routine. Through these findings, I would like to suggest that: First, it is necessary to improve competitiveness considering the individual abilities and characteristics of elderly workers in accordance with aging population. Second, it is suggested that emotional support networks should be established so that social interaction opportunities through senior citizens jobs can be more accommodated and overcome on their own.
적색 LED(660㎚)의 광중단 처리에 따른 국화 ‘백마’와 ‘신마’의 화아분화 및 생육특성
권영순(Young Soon Kwon),최성열(Seong Youl Choi),길미정(Mi Jung Kil),유봉식(Bong Sik You),정재아(Jae A Jung),박상근(Sang Kun Park) 충남대학교 농업과학연구소 2013 농업과학연구 Vol.40 No.4
This study was carried out to examine the effect of Red LED (660 ㎚) and fluorescent lamp for night break (NB) treatments of each 3 hours (22:30-01:30), 4 hours (22:00-02:00) and 5 hours (21:30-:02:30) per day for 53 days on flower bud initiation and growth in Chrysanthemum cv. ‘Baekma’ and cv. ‘Jinba’. The days to flower budding after short-day treatment in ‘Baekma’ was longer at fluorescent lamp 4 hr (21.0 days) and 5 hr (20.5 days) NB, and it was shorter at Red LED 3 hr (14.2 days). The days to flowering after short-day treatment in ‘Baekma’ was longer at fluorescent lamp 4 hr (54.0 days), 5 hr (53.5 days) NB, and Red LED 5 hr (53.3 days), and it was shortest at Red LED 3 hr (50.2 days) NB treatment among all treatments. The days to flower budding after short-day treatment of ‘Jinba’ was longer at fluorescent lamp 4 hr (20.6 days) and was shorter at Red LED 3 hr (14.1 days) among all treatments. Similarly, the days to flowering after short-day treatment of ‘Jinba’ was longer at fluorescent lamp 4 hr (55.3 days) and was shortest at Red LED 3 hr (50.2 days) among all treatments. Therefore, inhibition of flower bud initiation was the most effective under fluorescent lamp 4 hr treatment. The length of cut flower of ‘Baekma’ was increased by fluorescent lamp 4 hr, 5 hr, and Red LED 5 hr, but of ‘Jinba’ was longer at LED 4 hr and 5 hr treatment. The weight of cut flower of ‘Baekma’ was heaviest at fluorescent lamp 5 hr treatment and was at Red LED 5hr treatment for ‘Jinba’ even though there was not statistically significant difference between ‘Baekma’ and ‘Jinba’. Consequently, under fluorescent lamp 4 hr for night break was the most effective on flower bud initiation, flowering inhibition and cut-flower characteristics in ‘Baekma’ and ‘Jinba’.
지구온난화에 따른 제주도 내 참다래 개화일의 지리적 이동
권영순 ( Young Soon Kwon ),김수옥 ( Soo Ock Kim ),서형호 ( Hyeong Ho Seo ),문경환 ( Kyung Hwan Moon ),윤진일 ( Jin Il Yun ) 한국농림기상학회 2012 한국농림기상학회지 Vol.14 No.4
A kiwifruit cultivar ``Hayward`` has been grown in Jeju Island where the current climate is suitable for growth and development of this crop. Prediction of the geographical shift in the phenology can help the kiwifruits growers to adapt to the local climate change in the future. Two phenology models (i.e., chill-day and DVS) were parameterized to estimate flowering date of kiwifruits ``Hayward`` based on the data collected from field plots and chamber experiments in the southern coastal and island locations in South Korea. Spatio-temporally independent datasets were used to evaluate performance of the two models in predicting flowering date of ``Hayward``. Chill-day model showed better performance than DVS model (2.5 vs. 4.0 days in RMSE). Daily temperature data interpolated at a higher spatial resolution over Jeju Island were used to predict flowering dates of ``Hayward`` in 2021-2100 under the A1B scenario. According to the model calculation under the future climate condition, the flowering of kiwifruits shall accelerate and the area with poor flowering might increase due to the warmer winter induced insufficient chilling. Optimal land area for growing ``Hayward`` could increase for a while in the near future (2021-2030), whereas such areas could decrease to one half of the current areas by 2100. The geographic locations suitable for ``Hayward`` cultivation would migrate from the current coastal area to the elevated mountain area by 250m.