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박추환(Chuhwan Park),한진미(Jinmi Han) 한국노동연구원 2008 노동정책연구 Vol.8 No.1
출산, 고용, 그리고 성장 간 상호영향관계를 분석하고, 특히 출산이 다른 변수에 미치는 영향이 선행적인지 아니면 후행적인 내생변수로서 역할을 하고 있는지를 규명하고자 구조적 VAR(Vector Auto-Regression)을 통해 상호영향관계를 분석하였다. 충격반응효과 분석 결과, 우리나라의 경우 출산이 여성고용 및 성장에 미치는 효과는 지극히 미미한 정도에 불과하고, 출산 및 성장에 가장 큰 충격을 주고 있는 것은 여성고용이라는 것을 보이고 있고, 예측오차 분산분해 분석에서도 볼 수 있듯이, 고용 충격이 다른 변수에 미치는 영향력이 큰 반면, 출산 충격은 다른 변수에 거의 영향을 미치지 못하고 있고, 성장 충격 역시 자체 변수 외에는 다른 변수에 영향을 미치는 정도가 미미한 것으로 나타나고 있다. 즉 출산은 성장과 고용에 사전적 선행변수로서 역할 정도가 무시할 정도로 미미하고, 여성고용과 성장이 출산에 영향을 미치는 후행변수로서 역할을 하고 있다는 면에서 성장을 위한 여성의 노동공급과 지속적인 출산율 유지를 위한 정책이 장기적인 관점에서 마련될 필요가 있다. This paper analyzes the co-relationship among birth, employment, and economic growth, and clarifies the role of birth in these variables whether it is preceding indicator or not by the VAR approaches. The results, based on the impulse response function, show that the effect of birth for the women employment and economic growth is not significant, whereas the women employment has a significant role for birth and economic growth in Korea. In addition, the variance decomposition analysis indicates that the impact of women employment affects to the other two variables, but the other two variables are not significant affect vise versa. That is, a birth variable has a tiny role of affecting to the other two variables as a preceding indicator, however, the women employment and the economic growth have a significant role of affecting to a birth as a following indicator. Therefore, it is believed by many that the economic policy for sustaining women employment and birth is need for economic growth.
Chromatin interacting factor Os VIL 2 increases biomass and rice grain yield
Yang, Jungil,Cho, Lae‐,Hyeon,Yoon, Jinmi,Yoon, Hyeryung,Wai, Antt Htet,Hong, Woo‐,Jong,Han, Muho,Sakakibara, Hitoshi,Liang, Wanqi,Jung, Ki‐,Hong,Jeon, Jong‐,Seong,Koh, Hee John Wiley and Sons Inc. 2019 Plant biotechnology journal Vol.17 No.1
<P><B>Summary</B></P><P>Grain number is an important agronomic trait. We investigated the roles of chromatin interacting factor <I>Oryza sativa </I>VIN3‐LIKE 2 (OsVIL2), which controls plant biomass and yield in rice. Mutations in <I>OsVIL2</I> led to shorter plants and fewer grains whereas its overexpression (OX) enhanced biomass production and grain numbers when compared with the wild type. RNA‐sequencing analyses revealed that 1958 genes were up‐regulated and 2096 genes were down‐regulated in the region of active division within the first internodes of OX plants. Chromatin immunoprecipitation analysis showed that, among the downregulated genes, OsVIL2 was directly associated with chromatins in the promoter region of <I>CYTOKININ OXIDASE/DEHYDROGENASE2</I> (<I>OsCKX2</I>), a gene responsible for cytokinin degradation. Likewise, active cytokinin levels were increased in the OX plants. We conclude that OsVIL2 improves the production of biomass and grain by suppressing <I>OsCKX2</I> chromatin.</P>
가스크로마토그래피/질량분석기를 이용한 약물의 확인 및 간이 정량분석 프로그램 개발
김은미(Eunmi Kim),한은영(Eunyoung Han),홍효정(Hyojeong Hong),정수진(Sujin Jeong),최상길(Sanggil Choe),이종숙(Jongsook Rhee),정진미(Jinmi Jung),염혜선(Hyesun Yeom),이한선(Hansun Lee),이상기(Sangki Lee) 대한약학회 2011 약학회지 Vol.55 No.2
Systematic toxicological analysis (STA) means the process for general unknown screening of drugs and toxic compounds in biological fluids. In order to establish STA, in previous study we investigated pattern of drugs & poisons in autopsy cases during 2007~2009 in Korea, and finally selected 62 drugs as target drugs for STA. In this study, rapid and simple drug identification and quantitative analytical program by gas chromatography-mass spectrometry(GC-MS) was developed. The in-house program, “DrugMan”, consisted of modified chemstation data analysis menu and newly developed macro modules. Total 55 drugs among 62 target drugs were applied to this program, they were 14 antidepressants, 8 antihistamines, 5 sedatives/hypnotics, 5 narcotic analgesics, 3 antipsychotic drugs, and etc. For calibration curves, fifty five drugs were divided into four groups of range considering their therapeutic or toxic concentrations in blood specimen, i.e. 0.05~1 mg/l, 0.1~1 mg/l, 0.1~5 mg/l or 0.5~10 mg/l. Standards spiked bloods were extracted by solid-phase extraction (SPE) with trimipramine-D3 as internal standard. Parameters such as retention times, 3 mass fragment ions, and calibration curves for each drug were registered to DrugMan. A series of identification, semi quantitation of target drugs and reporting the results were performed automatically. Calibration curves for most drugs were linear with correlation coefficients exceeding 0.98. Sensitivity rate of DrugMan was 0.90 (90%) for 55 drugs at the level of 0.5 mg/l. For standard spiked bloods at the level of 0.5 mg/l for 29 drugs, semi quantitative concentrations were ranged 0.36~0.64 mg/l by DrugMan. If more drugs are registered to database in DrugMan in further study, it will be useful tools for STA in forensic toxicology.
이경득(Kyoung-Deug Lee),한재용(Jae-Yong Han),정진미(Jinmi Jeung),이순흠(Sunheum Lee),한상민(Sang-Min Han),최관순(Kwan-Sun Choi) 한국정보기술학회 2011 Proceedings of KIIT Conference Vol.2011 No.5
현재 생산되고 있는 디지털 혼은 기구물의 편차를 보정하기 위한 전문 작업 인력이 필요하고 작업 시간이 오래 걸리는 문제점이 있다. 이에 본 논문에서는 기구물의 편차를 쉽게 보정할 수 있는 디지털 혼을 구현하였다. 이를 통해 작업 시간과 작업 인력을 감소시켜 생산성이 증가하는 효과를 얻을 수 있다. The experts is needed to compensate for the gap between the manufactured horns and the expected horns in the process of production currently being used and therefore working time is easily affected and prolonged by the degree of experts’ skill. In this paper, the digital horn has been implemented, which can be easily compensated for the gap. The implemented horn reduces working time and work force and the productivity has been considerably enhanced.
혼합용매에 의한 단순화 반응 기반 다중 관능기 도입 킬레이트 수지의 합성 및 보론 흡착특성 향상
방영길(Young-Kill Bang),박창현(Changhyun Park),한정현(Junghyun Han),이태진(Taejin Lee),최영주(Youngju Choi),정진미(Jinmi Jung),김형일(Hyung-Il Kim) 한국고분자학회 2020 폴리머 Vol.44 No.3
수처리 시스템에 적용하기 위한 보론 흡착용 기본 수지로 poly(St-co-DVB) 가교중합체를 현탁중합으로 합성하였다. 기본 수지에 대하여 염화메틸화 반응을 거쳐 글루카민기가 도입된 킬레이트 수지를 평균 입경 500 μm 구형의 고다공성 수지로 합성하였다. 이러한 반응과정에서 혼합용매와 상용화 용매를 사용하여 상분리 없이 반응단계를 간소화하여 킬레이트 수지를 합성하였다. 글루카민기의 입체장애에 따라 글루카민 치환반응이 원활히 진행되지 못하는 문제점을 하이드록시기를 갖는 저분자량 아미노알코올을 사용하여 해결함으로써 보론 이온 흡착률이 30% 이상 향상된 새로운 구조의 킬레이트 수지를 합성하였다. 이러한 킬레이트 수지에 대해서 가교제 함량, 글루카민기 및 아미노알코올기 도입이 보론 흡착특성에 미치는 영향을 조사하였다. Poly(St-co-DVB) crosslinked polymer was synthesized by suspension polymerization as a base material for boron adsorption in order to apply to the water treatment system. Poly(St-co-DVB) crosslinked polymer was subjected to chloromethylation reaction to synthesize various chelate resins having glucamine groups, as porous spherical particles of an average size of 500 μm. The chelate resins were synthesized by the simplified reaction of chloromethylation and glucamine substitution without phase separation by applying mixed solvent and compatibilizing solvent. Chelate resins with the new structure were synthesized using low molecular weight amino alcohol containing a hydroxyl group in order to solve the steric hindrance problem among glucamine groups in the substitution reaction. As a result, the new structure of chelate resin enabled the adsorption of boron ion to be improved more than 30% higher. Boron removal characteristics of chelate resins were evaluated depending on crosslinking agent content and introduction of both glucamine and aminoalcohol groups.