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Imazethapyr 유도체의 제초활성에 미치는 3-(N-methyl-N-(X)-치환-phenylaminooxoacetyl) group의 영향
성낙도,김현재,장해성,김대황 충남대학교 생물공학연구소 1993 생물공학연구지 Vol.3 No.-
새로운 25종의 Imazethapyr 유도체, (2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)-3-(N-methyl-N-(X)치환 -phenylaminooxoacetyl)-5-methylpyridine)들을 합성하여 치환기(X) 변화에 따른 발아 전 후, 피(Echinochla crus-galli.)의 제초활성에 미치는 3-(N-methyl-N-(X)치환 -phenylaminoozoacetyl) group의 영향을 검토한 바, 발아 전보다 발아 후의 제초활성에 더 큰 영향을 미침을 알 수 있었다. 발아 후의 제초활성은 X-치환기의 전자밀게 효과와 입체상수(E_s)에 의존적이었으며 가장 큰 제초활성을 나타내는 화합물로는 bulky(E_s<O)하고 전자밀게 (б<O)가 치환된 화합물, 15(4-t-butyl group)와 20(3,5-dimethyl group)이었다. 그리고 높은 제초활성을 나타낼 것으로 예상되는 화합물의 조건들이 검토되었다. (1993년 9월 18일 접수, 1993년 9월 22일 수리). New twenty five Imazethapyr derivatives, [2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)-3-(N-methyl-N-X(sub.)-phenylaminooxoacetyl)-5-methylpyridine] were synthesized. and The quantitative structure activity relationships (QSARs) between their post-emergence herbicidal activity(pI_50) values in vivo against Barnyard grass (Echinochloa crus-galli) and physicochemical parameters of substituents(X) of 3-(N-methyl-N-X(sub.)-phenylaminoo-xoacetyl) group have been studied. From the basis on the findings, in case of post-emergence, the activities were dependent on the steric constant(E_s<θ)and electron donating (o<O) effect by subsitituents(X) of 3-(N-methyl-N-X(sub.)phenylaminooxacetyl) group. Therefore, The most effective compound, 15 (4-t-butyl group) and 20 (3,5-dimethyl group) were examined in this study. And the conditions on the compounds predicted to show higher herbicidal activity were also discussed.
Multiferroic h-HoMnO₃의 자기적 성질 연구
김성백(Sung Baek Kim),금복연(Bok Yeon Kum),김철성(Chul Sung Kim),안성용(Sung Yong An),N. Hur(N. Hur),S. Park(S. Park),S.-W. Cheong(S.-W. Cheong),장광현(Kwang-Hyun Jang),박제근(J.-G. Park) 한국자기학회 2005 韓國磁氣學會誌 Vol.15 No.2
Multiferroic HoMnO₃ single crystal was prepared using 4-point focused floating zone furnace, and polycrystalline HoMn_(1-x)(57)^Fe_xO₃ (x=0.00, 0.01, 0.02, 0.05) powders have been prepared by solid state reaction. Their magnetic and crystallographic properties are studied using MPMS, PPMS, and Mossbauer spectroscopy. The crystal structure is found to be a hexagonal and a magnetic easy-axis is (110) direction. As the external applied magnetic field increases, temperature of the dielectric constant anomaly is decreased. HoMn_(0.95)(57)^Fe_(0.05)O₃ shows huge quadrupole splitting value from the Mossbauer spectra.
Imazethapyr 유도체의 제초활성에 미치는 3 - ( N - methyl - N - ( X ) - 치환 - phenylaminooxoacetyl ) group 의 영향
성낙도(N . D . Sung),김현재(H . J . Kim),장해성(H . S . Chang),김대황(D . W . Kim) 한국응용생명화학회 1993 Applied Biological Chemistry (Appl Biol Chem) Vol.36 No.5
New twenty five Imazethapyr derivatives, [2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)-3-(N-methyl-N-X(sub.)-phenylaminooxoacetyl)-5-methylpyridine] were synthesized. and The quantitative structure activity relationships (QSARs) between their post-emergence herbicidal activity(pI_(50)) values in vivo against Barnyard grass (Echinochloa crus-galli) and physicochemical parameters of substituents(X) of 3-(N-methyl-N-X(sub.)-phenylaminooxoacetyl) group have been studied. From the basis on the findings, in case of post-emergence, the activities were dependent on the steric constant(E_s$lt;0) and electron donating (σ$lt;0) effect by subsitituents(X) of 3-(N-methyl-N-X(sub.)phenylaminooxoacetyl) group. Therefore, The most effective compound, 15 (4-t-butyl group) and 20 (3,5-dimethyl group) were examined in this study. And the conditions on the compounds predicted to show higher herbicidal activity were also discussed.
Imazapyr 유도체의 제초활성에 미치는 3 - ( N - methyl - N ( X ) - 치환 - Phenylaminooxoacetyl ) Group 의 영향
성낙도(N . D . Sung),유택승(T . S . Ryu),장해성(H . S . Chang),김대황(D . W . Kim) 한국응용생명화학회 1994 Applied Biological Chemistry (Appl Biol Chem) Vol.37 No.6
New seventeen imazapyr derivatives, 2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)-3-(N-methyl-N-X(sub.)-phenylaminooxoacetyl)pyridine, 6 were synthesized and their pre-emergence herbicidal activity(pI_(50) in vivo against Corn (Zea mays L.) and Pigweed (Amaranthus viridis L.) were studied by the pot test under paddly conditions. (quantitative structure activity relationships (QSARs) were analyzed using the physicochemical parameters of substituent(X) on the phenyl ring of 3-(N-methyl-N-X(sub.)-phenylaminooxoacetyl) group and regression analysis. The herbicidal activities were related to the steric effect of X-substituent. The effect was rationalized by paraholic function of MR and L₁, where the optimal values were MR=5.56 (Zea mays L.) and L₁=3.34 Å (Amaranthus viridis L.). Among them, 2,5-difluoro substituted compound, 6i showed good herbicidal activity against Pigweed with excellent tolerance to Corn.
2-Vinylpyridine-Vinylphosphate-Divinylbenzene 이온 交換樹脂의 合成과 그의 性質에 關한 硏究
宋海永,成洛道,鄭宇鎭 圓光大學校 1980 論文集 Vol.14 No.2
2-Vinylpyridine-vinylphosophate-divinylbenzene ion exchange resin was prepared by phosphorylating 2-vinylpyridine-vinylalcohol-divinylbenzene resin with phosphoric acid and urea. The compositions of synthetic resin were analyzed by means of infrared absorption spectroscopy and the result was discussed. Ion exchanger, 2-vinylpyridine-vinylphosphate-divinylbenzene resin has been show to have an ion exchange capacity up to 5.38 meq/g, and then adsorption of metal ion on ion exchanger are also investigated.
회전식 열풍건조기를 이용한 하수슬러지의 건조특성에 관한 연구
고현웅,윤선영,정병길,김대용,박성현,박종순,성낙창 東亞大學校 環境問題硏究所 2005 硏究報告 Vol.27 No.1
The objective of this study was investigated the drying characteristics of sewage sludge by rotary hot air dryer. The rotary hot air dryer was manufactured a lab-scale and designed to use the waste heat source in incinerator. This study was shown that the drying characteristics of rotary hot air dryer mainly depended on the inlet hot air temperature and impeller speed.
일개 면지역주민의 년도별 보건지소 이용실태에 관한 고찰 : 경기도 남양주군 수동면; 1976-1980 Su-Dong Myun, Nam Yang-Ju Gun, Kyung-Gi Do
민동원,성낙순,안백화,하은희 이화여자대학교 의과대학 1985 梨花醫學誌 Vol.- No.17
In order to know about the trend of utilization of Health Subcenter in Su-Dong community, a study was carried out through analyzing the reports on the status of out-patients in Su-Dong Health Subcenter during 5 years from 1976 to 1980, and following results were obtained. 1) Population of Su-Dong Myun was changed from 5,424 in 1975 to 5,211 in 1979. 2) The annual utilization rate of Health Subcenter of Su-Dong Myun showed decreasing tendency from 803.3 in 1976 to 700.6 in 1980 per 1,000 population. 3) In terms of annual utilization rate by age group, the highest group is 0-4 age group and the lowest group is 15-24 age group every year. 4) The average visiting time per case to Health subcenter showed 1.75 times in 1978, 1.69 times in 1979 and 1.60 times in 1980. 5) In terms of utilization rate of Su-Dong Health Subcenter by Ries, the highest rate was shown in Ribsouk 2 Rie and the lowest in Gidoon. 6) The 5 major diseases cared in Health Subcenter were as follows : Diseases of the Respiratory System, Diseases of the Digestive System, Diseases of the Skin and Subcutaneous Tissue, Accident, Poisoning and Violence, and Diseases of the Nervous System and Sense Organs in the year of 1976∼1980. 7) Annual average medical fee per first visiting was increased such as 405(₩) in 1976, 653(₩) in 1977, 1,090(₩) in 1978, 1,650(₩) in 1979 and 1,970(₩) in 1980. And annual average medical fee per case was also increased such as 923(₩) in 1977, 1,450(₩) in 1978, 2,540(₩) in 1979 and 2,990(₩) in 1980.
젖소의 골반입구 크기와 요각폭에 (腰角幅) 대한 산차효과 및 유전력 추정
안병석(B . S . Ahn),상병돈(B . D . Sang),윤문석(M . S . Yun),김재원(J . W . Kim),전재원(J . W . Jeon),조윤연(Y . Y . Cho),박태진(T . J . Park),김내수(N . S . Kim) 한국축산학회 1992 한국축산학회지 Vol.34 No.6
To estimate the effect of parity, and the heritability of the pelvic inlet size and rump width, the data set of 276 heads of dairy cattle were analized. The parity influenced on the pelvic inlet size and rump width (p $lt;.01). The heritabilities of the pelvic inlet size and rump width were .24±.24, .28±.22 by GLM and Harvey, .40±.23, .35±.23 by ML, .43±.23, .38±.23 by REML, .59±.22, .30±.22 by MIVQUE, respectively.