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水稻 直播栽培에 關한 硏究 : (Ⅰ)栽培方法이 節間長에 미치는 影響
趙東三,許華永,朴成圭,尹洪載,金泰秀 충북대학교 농업과학기술연구소 1989 農業科學硏究 Vol.7 No.2
Data on internode length obtained from cultural experiments on seeding date, seeding method and seeding rate in direct seeding cultivation of rice in 1989 were analyzed to investigate the rela-tionship between internode length and lodging. In general, internode length appeared to be longer in earlier plantings except May 11 planting which had longer internode than those of other plantings. Seeding in flooded condition as well as higher seeding rate resulted in longer internode length. Culm diameter leas greater in the order of April 21 > May 11 > May 21 > May 1 plantings, and drilled in upland condition > broadcasting in upland condition > seeding in flooded condition, while the higher the seeding rate, the greater the culm diameter was. Except seeding in upland condition and seething rate of 3kg/10a which showed lodging degree of 1, all other treatments resulted in severe lodging with degree of 7.
Kyu-Jin Jeong,Yuri Heo,Jun-Ran Kim,Ki-Jeong Hong 국립중앙과학관 2022 Journal of Asia-Pacific Biodiversity Vol.15 No.4
Two stored grain pests of the genus Tribolium Macleay, 1825 (Coleoptera: Tenebrionidae) are newlyrecognized in Korea: T. freemani Hinton, 1948, and T. madens (Charpentier, 1825). Their morphologicaldiagnosis, adult and larval pictorial identification keys, and the mitochondrial COI barcode sequences ofgenus Tribolium are provided.
Two-Photon Probes for pH: Detection of Human Colon Cancer using Two-Photon Microscopy
Hong, Seung Taek,Kim, Tae Hyeong,Choi, Ji-Woo,Park, Seong Jun,Kwon, Sung An,Paik, Kyu Cheol,Han, Man So,Kim, Eun Sun,Chun, Hoon Jai,Heo, Jung-Nyoung,Cho, Bong Rae American Chemical Society 2017 ANALYTICAL CHEMISTRY - Vol.89 No.18
<P>We have developed two-photon (TP) pH-sensitive probes (BH-2 and BHEt-1) that exhibit absorption and emission maxima at 370 and 466 nm, and TP absorption cross-section values of 51 and 61 GM (1 GM = 10(-50)cm(4)s/photon), respectively, at 750 nm and pH 3.0 in a universal buffer (0.1 M citric acid, 0.1 M KH2PO4, 0.1 M Na2B4O7, 0.1 M Tris, 0.1 M KCl)/1,4-dioxane (7/3) solution. The TPM images of CCD-18co (a normal colon cell line) and HCT116 cells (a colon cancer cell line) labeled with BH-2 were too dim to be distinguished. When the same cells were labeled with BHEt-1, however, the TPM image of the HCT116 cells was Much brighter than that of CCD-18co cells, and the relative proportion of the acidic vesicles (P-acid) of the former was 5-fold larger than that of latter. BHEt-1 could also differentiate HepG2 cells (a human liver cancer cell line) from LX-2 cells (a human hepatic stellate cell line) with a 6-fold larger P-acid value. Human colon cancer tissues labeled with BHEt-1 showed similar results, demonstrating much brighter TPM images and 6-fold larger P-acid values compared to normal tissue. These results suggest the potential utility of BHEt-1 for detecting colon cancer in human tissues using TPM.</P>
허만규,홍현우,감철우,박동일 대한동의생리학회,대한동의병리학회 2003 동의생리병리학회지 Vol.17 No.4
This experimental research has been done to study the effects of Palmul-tang on the anti-allergic reaction. We found the several important results from the research which has been performed by two experiments toward immediately type and delayed type in order to study the effects of Palmul-tang on hypersensitivity response to mice. The results obtained from our research are as following: The survival rate of one group to which we injected only the compound 48/80 is almost 0% according to its density and timing test. In the other hand, the survival rates of the other group to which we injected both of the compound 48/80 and Palmul-tang are 20%, 0%, 40%, 10%, 20% and 50% according to 0.025, 0.05, 0.1, 0.25 0.5 and 1 (mg/g) of compound 48/80. Time dependency test also shows the 30% and 20% survival rates in 5 and 1 O minutes. Palmul-tang revealed the significantly inhibitory effect on Compound 48/80 induced Mast cell degranulation. Palmul-tang showed the significantly inhibitory effect in the delayed type hypersensitivity response to picry1 chbride. Palmul-tang showed the significantly inhibitory effect in the delayed type hypersensitivity response to sheep red blood cell. Our research provides the important evidence that Palmul-tang is benificial to the prevention and treatment of allergy related oiseases.
플랜트 공정 FD FAN 설비의 이상 상태 예측을 위한 센서 데이터 분석
홍규택(Kyu-Tack Hong),허지연(Jeeyeon Heo),황세윤(Se-Yun Hwang),이장현(Jang-Hyun Lee) (사)한국CDE학회 2018 한국CDE학회 논문집 Vol.23 No.2
This paper addresses the problem of anomaly detection and the system identification in an FD (Forced Draft) Fan monitored by performance sensors. The measured time series data were collected under the normal operating conditions, whereas the measured data included one failure duration. A technique of time-series methods for fault detection, identification and estimation in FD fan is presented. System identification is based upon Nonlinear ARX (NARX) models in which a multivariate regression method is employed for anomaly detection and fault magnitude estimation. NARX learned the system identification or regression model using the measured data in the normal state. Then, NARX predicts the feature signal using the input signals, and determines the abnormality by measuring the difference between the predicted feature signal and the measured feature signal. Dynamic time warping (DTW) is applied to estimate the abnormal score of the measured signal. Finally, it is shown that the proposed method can detect the initiation of the abnormal status.