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등숙기의 질소추비가 대두의 생육 및 수량에 미치는 영향
임병기 한국콩연구회 1989 韓國콩硏究會誌 Vol.6 No.1
수원 작물시험장에서 육성 보급된 반왜성 조숙 대두 품종 팔달을 공시하며 등숙기의 질소추비시기(개화기전 5일, 개화시, 개화 10일후, 개화 20일후)와 추비량(0,4,8,12.16㎏)의 차이가 대두의 생육 및 수량에 미치는 영향을 검토하여 다음과 같은 결과를 얻었다. 1. 동숙기의 질소추비는 주경 및 분지의 신장에 유효하였으나 주결절수, 분지수 및 경직경에서는 처리간 유의차가 인정되지 않았다. 2. 등숙기의 질소추비는 개체당협수 및 입중과 협중 증대에 유효하였다. 3. 등숙기 질소추비는 100립중을 증대시켰으나 협당실수와 등숙비율 향상에는 영향을 주지 못하였다. 4. 등숙기 질소추비에 있어 적기는 개화기 경이고, 적정 시용량은 8㎏ 전후로 볼 수 있었다.
Recombinant Interleukin-1β로 자극하여 배양된 활막 섬유아세포에 대한 단핵세포의 결합
임병기,장의찬,강수용,강응택,이은우 중앙대학교 의과대학 의과학연구소 1994 中央醫大誌 Vol.19 No.4
Mononculear cell adhesion to endothelium plays an imporant role in the pathogenesis of chronic inflammatory diseases such as rheumatoid arthritis(RA). In order to define the role and expresion of Vascular Cell Adhesion Molecule-1(VCAM-1) and Intercellular Adhesion Molecule-1(ICAM-1) in arthritic disorders, We studied the expression of those adhesion molecules in synovial tissues of patients with rheumatoid arthritis and the binding capacity of mononuclear cells to cultured normal synovial fibroblasts when they were stimulated with recombinant interleukin-1β. ICAM-1 is expressed on some synovial tissue lining cells and some endothelial cells while VCAM-1 is present more predominently on synovial intimal lining and endothelial cells of venules in RA than ICAM-1. The amount of VCAM-1 and ICAM-1 was greater in the synovial lining of RA compared with normal synovium. Both VCAM-1 and ICAM-1 were expressed on cultured synovial fibroblast treated by recombinant interleukin=1 beta(rIL-1β). After rIL-1β stimulation of cultured synovial fibroblast, mononuclear cell-binding significantly increased, and this mononuclear cell-binding significantly increased, and this increase was blocked by anti-VCAM-1 monoclonal antibody, in the other hand anti-ICAM-1 monoclonal antibody did not block the monounclear cell binding. Therefore the increase in the binding of mononuclear cells to rIL-1β stimulated synovial fibroblast might occur as a result of VCMA-1 dependent factors. This data suggested that rIL-1β may regulate the recruitment and retention of mononuclear cell via the up-regulation of VCAM-1 on synovial fibroblast and VCAM-1 pathway may be one of primary important mononuclear cell adhesion to inflamed synovium.
加里, 燐酸 및 石灰 施用量의 差異가 大豆의 生育 및 收量에 미치는 影響
李因敦,安容泰,林炳琦 서울여자대학교 1979 서울여자대학논문집 Vol.- No.8
In order to investigate the effects of P, K, and Ca fertilization on the growth and yield of late sown soybean, cultivar Clark # 36 was examined with 9 different fertilization levels by the randomized block design replicated 4 times under the field and pot conditions, and following results were obtained. 1. Growth in field and pot conditions a. The highest stem and canopy were observed at the level of 4 to 8㎏/10a for the P, and K fertilization under the condition of lime application. b. The stem and canopy were higher in the field condition than in the pot condition. c. The P, K fertilization of 4 to 8㎏/10a was effective for the branch growth under the condition of Ca application. d. The P, K and Ca fertilization did not affect the number of brancesh, diameter of stem, and number of nodes on main stem. e. The longer branch, the thicker stem, the more number of branches and nodes on main stem were observed in the pot trial than in the field trial. 2. Dry matter production in field condition a. The leaf to stem ratio was not affected by the P, K, and Ca fertilization. b. D.M. wt. was increased in accodance with increasing the fertilization level of P, K under the condition of lime application. c. SLA and LAI were increased by the increase of the P, and K fertilization level under liming condition. d. CGR, RGR and NAR were increased in accordance with increasing the P, K, level up to 8㎏/10 a under the liming condition. e. The amounts of N, P, and K absorbed during the growing period were also increased due to increase of the P, K level up to 4 to 8㎏/10a a under the condition of lime fertilization. 3. Yield and yield components in field and pot trial a. The stem wt. was increased by the increasing of P, K level up to 8 ㎏/10a under the condition of liming. b. The pod weight and grain weight were increased by the increasing of P, K fertilization level up to 4 to 8㎏/10a with liming. c. The effect of P, K on the stem grain percentage couldn't be recognized. The stem grain percentage was higher in the pot trial than in the field trial. d. The pod number per plant was increased in accordance with increasing of the P, K fertilization level with liming. The more pod number per plant was obtained from the pot trial compared with the field trial. e. The number of ovules per pod was not affected by the fertilization. The more ovules per pod was obtained from the pot culture compared with the field culture. f. The grain number per plant was increased by the P, and K fertilization of 4 to 8㎏/10a with liming. The more grain number per plant was obtained from the pot condition compared with the field condition. g. The ripend seed percentage was highest at 4 to 8㎏/10a of the P, and K fertilization level. It was higher in the pot condition than in the field condition. h. The 100 grain weight was also increased by the P, and K fertilization of 4 to 8㎏/10a. It was heavier in the field condition than in the pot condition. i. There was a tendency that soybean plants need an ample supply of balanced nutrient elements (not single element only) for the yield increase.