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      • KCI등재후보
      • Quinclorac제제 제초제가 연초생육에 미치는 영향

        진정의,이철환,이승철,Jin, Jeong-Eui,Lee, Chul-Hwan,Lee, Seong-Chul 한국연초학회 1994 한국연초학회지 Vol.16 No.1

        This study was aimed at finding out the effect of herbicide quinclorac (3, 7-dichloro-8- quinoline carbxylic acid) on tobacco culture in paddy soil. Herbicides quinclorac(Pozol, Pulta and Tomata) was randomly applied to subdivided paddy soil in Sep. 1992, and tobacco seedlings were transplanted to the field when seedling averaged 2cm in height in April 1993. Experiment plots were divided into non - treatment, standard(3kg/10a) and two times(6kg/10a) in amounts for each three herbicides. The symptoms of damage from herbicide were sighted when the plants had developed 8-9 leaves at 30 day after transplanting in standard amount plots, and when the plants had developed 4-5 leaves at 20 days after transplanting in two times treatments. The new leaves from damaged plants were bended out, and leaf color changed from green to dark - green, and then gradually advanced to abnormal narrow leaves. Standard treatments of herbicides showed a decrease of 18% in price per kg, 18% in yield and 33% in value per 10a than those of non - treatment, while two times treatments showed a decrease of 33%, 29%, 52% compared with non - treatment, respectively.

      • 황색종 연초의 세균성마름병 저항성품종 육성을 위한 육종방법 비교

        진정의,고미석 한국연초학회 1987 한국연초학회지 Vol.9 No.2

        Lines were developed from the two crosses, BY4 X NC 82 and BY 4 X BY 104, by bulk, backcross and anther-derived dihaploid methods of breeding , and their variations in major agronomic, chemical characters, heritability, and response to selection were compared. 1. The anther-derived dihaploid lines showed a greater genetic variability and heritability in characters investigated than the lines developed by the other two methods of breeding . However, those were Inferior In agronomic characters and yielded 15.4% less leaf tobacco than the lines developed by the bulk method. 2. The lines developed by bulk method were higher In the frequency of lines resistant to bacterial wilt and in the yield, but Its lines appeared later flowering. inferior leaf Quality, and higher total nitrogen contents than those developed by the backcross method of breeding. 3. In the population of the lines developed by the backcross method, bacterial wilt resistant lines were less frequent, but the lines with a good leaf quality were more frequent.

      • Greenhouse Bulk건조기에 의한 태양열이용에 관한 연구 (제I보)

        진정의,이승철,이상하 한국연초학회 1980 한국연초학회지 Vol.2 No.1

        韓國煙草硏究所, 大邱試驗場(北緯35$^{\circ}$49')에서 1979年 透明한 fiber glass로 지은 円柱型 greenhouse(4.50$\times$3.83$\times$2.80m)內에 乾燥室의 外壁 및 天井을 Polyurethan에 함석을 입혀 黑色 paint로 coating한 板을 heat absorber겸 斷熱板으로, 乾燥室 양편에 各各 4.5㎥의 자갈을 넣은 gravel heat storage system 그리고 greenhouse內의 加熱된 空氣를 練燒室로 誘導할 수 있는 air duct를 설치한 8.25㎥의 太陽熱 直接利用 方式의 Bulk 乾燥材와 同一한 크기의 Bulk 乾燥材를 比較 試驗하였다. 乾燥期間中 外溫 30.5~35.5$^{\circ}C$, 總日射量 1004.2~1436.2 cal/$\textrm{cm}^2$의 條件下에서 3回 乾燥 試驗한 結果, 天井 heat absorber의 最高溫度는 89$^{\circ}C$이였으며, 練燒室로 吸入되는 空氣의 最高溫度는 64$^{\circ}C$이며 평균 46$^{\circ}C$로서 外溫에 비하여 18$^{\circ}C$가 높았고, 慣行Bulk乾燥材에 비하여 25%의 燃料가 節減되였다. The greenhouse hulk curing and drying system utilizing the direct solar energy was tested to see how much fuel could be saved for curing flue-cured tobacco at the Daegu Experiment Station, Korea Tobacco Research Institute (North latitute: 35$^{\circ}$49'), in 1979. The structure consists of transparent fiberglass exterior, polyurethan boards covered with galvanized iron as the heat absorbers and insulation boards, air duct in which the air is introduced to the furnace room of bulk curing barn, and gravel heat storage system. All exterior surface of heat absorbers, air duct, and gravels were coated with black paint. The air temperature and total radiation were 20.5 to 35.5$^{\circ}C$ and 1004.2 to 1436.2 cal/$\textrm{cm}^2$ during the 3 replicated curing tests, respectively. The greenhouse bulk curing and drying system was able to cut fuel consumption by 25 percent compared with the conventional bulk curing barn. The maximum temperatures for the top absorber and the inlet air of the system were 89$^{\circ}C$ and 64$^{\circ}C$, respectively, and the average temperature of inlet air was higher than that of conventional one by 18$^{\circ}C$.

      • KCI등재후보

        당뇨병 환자에서 시력예후 인자에 대한 고찰

        진정,이상준,이혜숙,김신동 대한안과학회 2006 대한안과학회지 Vol.47 No.5

        Purpose: We performed a retrospective study to investigate the risk factors for visual prognosis in diabetes mellitus patients. Methods: We reviewed 179 patients (358 eyes) who visited our hospital from January 1990 to January 2004. Results: The final visual outcome showed improvement in 28 (7.8%) eyes, no change in 193 (53.9%) eyes and worsening in 137 (38.3%) eyes. Duration of diabetes mellitus (p=0.01), diabetic retinopathy (p=0.001), higher grade diabetic retinopathy (p=0.002), progression of cataract (p=0.002), glaucoma (p=0.011), control of hypertension (p=0.001) and an abnormally low glomerular filtration rate (p=0.004) were all indicative of a high risk for decreased visual acuity. But other factors (age, type of diabetes mellitus, abnormality of electrocardiography, HbA1c, serum lipid) were not significantly correlated with visual prognosis (p>0.05). Conclusions: We concluded that duration of diabetes mellitus, diabetic retinopathy, higher grade diabetic retinopathy, cataract, glaucoma, control of hypertension and abnormally low glomerular filtration rate were the risk factors of decreased visual acuity.

      • KCI등재
      • KCI등재

        The Long Run Effect of China’s Higher Education Expansion on the Unemployment of Universities and Colleges Graduates

        진정,박정민,나상균 한국산업경제학회 2019 산업경제연구 Vol.32 No.1

        In order to increase the number of higher education, Chinese government carried out the higher education expansion policy from 1999. After 18 years of China’s higher education expansion policy, The conclusion about the relationship between unemployment rate of long-term among Universities graduates and College graduates (UGCG) and higher education expansion policy is still unknown. The approach of Multivariate Time Series Analysis (MTSA) was employed as a model with data sets from 1999 to 2017 to investigate the long run effect of China’s higher education expansion on the UGCG. Then using augmented Dickey Fuller Test to fit estimates and verified the model. We find that China's expansion policy has sharply increased the unemployment rate among young college graduates in the long run. On the other hand, We also noticed that the unemployment rate for UGCG has relationship with regions and family income. The result indicates that the Chinese government should reduce the number of enrolment and increase the employment rate of students. We suggest that encouraging regional mobility of UGCG and increasing matching quality can potentially reduce the unemployment rate at the national level.

      • KCI등재
      • KCI등재

        Xenopus laevis 초기 배의 동물극 분리배양에서 bFGF와 HGF 혼합처리에 의한 기관유도

        진정,윤춘식,이호선,박용욱,정선우 한국생명과학회 2004 생명과학회지 Vol.14 No.3

        FGFs는 Xenopus의 초기 배발생에서 중배엽 형성, 전후축패턴형성, scatter factor로서 낭배기의 기관형성에 관여하는 등 다양한 기능을 가지고 있는 것으로 알려져 있다 그 중 bFGF는 배양 분리편으로부터 다양한 기관을 유도해낼 수 있으며 그 효과는 처리시간 및 농도 의존적이라고 알려져 왔다. 본 연구는 Xenopus의 예정표피역을 분리하여 bFGF와 HGF을 단독 및 복합처리 하였을 때 기관분화 및 유도효과를 검토하기 위하여 실시하였다. 단독처리 및 복합 처리된 배양액에 동물극 분리편을 정상배가 st. 43에 이를 때까지 2$0^{\circ}C$에서 3일간 배양하여 조직학적 및 면역조직화학적 방법으로 조직의 분화양상을 확인하였다. 성장인자는 bFGF를 0, 0.5, 1. 10. 50 ng/ml의 농도와 HGF를 0, 1, 10, 50, 100ng/ml의 농도로 조합하여 처리한 결과 bFGF 단독처리 때보다 HGF와의 혼합처리에서 기관분화율의 상승효과가 관찰되었다. 분화된 기관은 1 ng/ml의 bFGF 와 10ng/ml의 HGF, 10ng/ml의 bFGF와 1ng/ml의 HGF의 농도에서 매우 다양한 것으로 나타났다. 눈은 1과 10ng/ml의 bFGF ,그리고 1과 10 ng/ml의 HGF 농도조합에서 높은 비율로 분화하였다. 또한 분리편 배양에 의해 유도된 눈과 정상 배의 눈에서 RPE65를 인식하는 단일클론 항체 40All, 25F5를 사용하여 AP 반응이 강하게 나타나 눈의 유도를 확인할 수 있었다. Fibroblast growth factors (FGFs) are known to induce multiple functions in early development, including mesoderm formation, gastrulation movement and antero-posterior patterning. The induction of mesoderm from Xenopus presumptive ectoderm and the combination effect on inducing organs of bFGF(basic FGF) and HGF (Hepatocyte Growth Factor) were studied. Explants were cultured in the combined solution for 3 days to normal embryo arrive at St. 43. These effects on combined dose were examined by histological experiment and by immunohistochemical method. The concentrations of growth factors were tested in 0, 0.5, 1, 10 and also tested in 50 ng/ml of bFGF, and 0, 1, 10, 50 and 100ng/ml of HGF respectively. The synergistic effects were seen in the combined-dose of bFGF and HGF rather than in single dose. Various organs were differentiated and highest inducing effects were seen at the combined concentration of 1 ng/ml of bFGF and 10ng/ml of HGF, and at the concentration 10ng/ml of bFGF and 1 ng/ml of HGF. The bFGF induces various organs from cultured animal cap explants and the effects are time and dose-dependent. HGF is also a potent mitogen for renal tubular cells and for mature hepatocytes in primary culture. Eyes were developed in high percentage at the combined concentration of 1 and 10ng/ml of bFGF, and 1 and 10 ng/ml of HGF. From the induced eye and normal embryonic eye, RPE65 was commonly detected by monoclonal antibodies 40All and 25F5 and the localization of RPE65 was seen by AP reaction.

      • KCI등재

        从中国哲学的立场省察“幸福”

        진정(陈,,) 한국동양철학회 2016 동양철학 Vol.0 No.45

        본 논문은 행복에 관해 중국 고전에서 문헌학적인 고찰을 하고 있으며, 뒷 부분에서는 중국철학이 현대 중국인의 행복관을 정립하는데 어떠한 의의가 있는지를 명료하게 전개하고 있다. 본 저자는 이 논문을 통해 행복은 서양철학에서는 중요한 주제이지만 중국고대어에서 행복 개념이 어떠한 의미로 사용되고 있는지를 논의하고자 한다. 중국고대어에서 행복은 오늘날의 행복 즉 happiness의 의미와는 다르다고 하였다. 중국전통사회에서 행복은 바로 ‘요행을 바라는’ 또는 ‘재앙을 피하고 복을 구하는’ 의미로 사용되었다. 오늘날 사용되고 있는 ‘행복’ 개념을 중국철학사 연구에서 굳이 찾는다면 풍우란의 『중국철학사』 (상권)에서 찾을 수 있으며, 본 저자는 풍우란이 장자의 소유를 행복으로 해석하고 있음에 주목하고자 한다. 더불어 현대 중국인의 행복을 위해 중국전통사상이 어떠한 의의를 지니는지에 관해 논의할 것이며, 공리주의를 넘어설 수 있는 다른 형태의 행복을 중국전통철학에서 찾을 수 있음을 제시할 것이다. 本文的內容, 是以“幸福”在中國古典文獻上的考察為首, 隨後對於中國哲學在定位現代中國人的“幸福”觀有明確的發展。筆者透過本文企圖在西方哲學重視的“幸福”概念, 探討在中國古代語上有著何種涵義, 以及如何運用。所謂中國古代語“幸福”的意思是與一般認為的happiness不一樣的。中國傳統社會上的“幸福”常用為‘心存僥幸’或是‘遠禍求福’的意思。如果在中國哲學史研究過程中要尋找現代我們常用的“幸福”概念, 便在馮友蘭著『中國哲學史(上)』能確認。筆者認為, 要主意馮友蘭以莊子的逍遙遊解釋為“幸福”, 同時闡明現代中國人的“幸福”概念的涵義, 才會能尋求在中國傳統哲學上超越功利主義的其他的“幸福”。

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