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볏짚과 규회석(珪灰石) 시용(施用)이 수도(水稻)의 생육(生育) 및 수량(收量)에 미치는 효과(效果)
정광용,조성진,김재정,Jung, Kwang-Young,Cho, Seong-Jin,Kim, Jai-Jeong 한국토양비료학회 1985 한국토양비료학회지 Vol.18 No.2
수도(水稻)의 생육(生育)과 수량(收量)에 미치는 볏짚과 규회석(珪灰石)의 효과(效果)를 규명코져 볏짚은 무시용(無施用)과 88g/pot(1000kg/10a)로 2수준, 규회석(珪灰石)은 무시용(無施用)(50ppm), 27(150ppm), 85(300ppm), 135g/pot(450ppm조절량) 4수준을 각각 다르게 처리하고 pot 시험(試驗)을 한 결과(結果)는 다음과 같다. 1. 볏짚이나 규회석(珪灰石) 단용(單用)을 수도(水稻)의 초기생육(初期生育)을 억제(抑制)시켰으나 이들의 병용구(倂用區)에서 이상적인 초형(草型)으로 발달(發達)되어 특히 최고분운기(最高分芸期) 이후(以後)에 효과(效果)가 매우 커서 정조수량(正租收量)이 증가(增加)되었다. 2. 볏짚 무시용구(無施用區)는 규회석(珪灰石) 27g/pot구(區)에서 모두 정조수량(正租收量)이 많았고 볏짚 시용구(施用區)에서는 시용당년(施用當年)에는 규회석(珪灰石) 85g/pot구(區), 그리고 다음해의 잔효구(殘效區)에서는 규회석(珪灰石) 135g/pot구(區)에서 정조수량(正租收量)이 가장 많아 볏짚시용(施用)은 규산(硅酸)의 요구량(要求量)을 증가(增加)시키는 것으로 나타났다. 3. 처리간(處理間)에 최고수량(最高收量)을 낸 구(區)는 시비년도(施肥年度)에는 볏짚+규회석(珪灰石) 85g/pot구(區)로서 대조구(對照區)보다 25%의 정조수량(正租收量)이 증대(增大)되었다. 볏짚과 규회석(珪灰石)의 잔효(殘效)를 본 익년도(翌年度)에서는 볏짚+규회석(珪灰石) 135g/pot구(區)가 대조구(對照區)보다 30%의 증가(增加)를 보여 볏짚이나 규회석(珪灰石) 단용(單用)보다 병용효과(倂用效果)가 컸었다. This study was conducted to find out the effect of rice straw and wollastonite applied to the paddy soil on the growth and yield of the rice plant. The soil was treated with two level of straw 0 and 88gr per pot, of which respectively combined with 4 levels of wollastonite, 0 (Avail $SiO_2$: 50 ppm), 27 (Avail. $SiO_2$: 150 ppm), 85 (Avail. $SiO_2$: 300 ppm) and 185 (Avail. $SiO_2$: 450 ppm) gr per pot. The results for two years experiment were as follows. 1. Application of rice straw and wollastonite, respectively, suppressed the growth of the plant at early stage. As a consequence the hight and number of tiller of the plant were comparatively smaller, but the combined effect of rice straw and wollastonite treatment on the plant growth appeared after the maximum tillering stage and got a better yield as compared with single treatment of rice straw or wollastonite. 2. At the pot of no rice straw and 27 gr wollastonite treatment, and also pot of rice straw and 85gr (in the year of 1983 experiment) as well as 135gr wollastonite treatment (in the year 1984 experiment), the yield of total dry material and unhulled rice of the plant were respectively higher than other pots in different treatment and the plant height showed similar tentency. Application of rice straw in paddy soil appeared to require more wollastonite for growth of the rice plant as compared with no rice straw application. 3. The highest yield was obtained at the pot with rice straw and 85gr of wollastonite treatment in the year of 1983 experiment, were its yield had 25% increament as compared with the control pot, while being studied for residual effect of rice straw and wollastonite application in the next year, the highest yield was obtained at the pot with rice straw and 135gr wollastonite treatment, where its yield had 30% increament as compared with the control pot.
오창 학소리유적 토광묘내 유리구슬의 화학적 특성 - 37호 및 40호 -
정광용,강형태,고민정,김화정,Chung, Kwang Yong,Kang, Hyung Tae,Koh, Min Jeong,Kim, Hwa Jung 국립문화재연구소 2011 保存科學硏究 Vol.32 No.-
오창 학소리I유적의 토광묘에서 유리구슬 시료 4점을 입수하고 각각 13종의 산화물을 분석하였다. 토광묘에서 출토된 유리구슬의 화학조성에 따른 유리 계통을 정리하였고 어떤 발색제가 기여하였는지를 확인하였으며 구슬을 제조하기 위한 원료의 대해서도 검토하였다. 토광묘에서 녹청색 유리 4점은 모두 $K_2O-CaOSiO_2$ 계통이며 동일한 농도범위이어서 같은 원료를 사용했을 것으로 판단되며, 이중 3점은 PbO 함량이 4% 이상으로서 포타쉬납유리 계통($K_2O-PbO-CaO-SiO_2$)으로 볼 수 있다. 유리의 녹청색은 Cu에 의한 것으로 생각되며 일부 철의 역할도 있었을 것이다. 납동위원소비 분포는 모두 흩어져있어 동일 지역에서 가져온 납을 사용했다고 볼 수 없다. Four glass beads from Hakso-ri site, O'chang were analyzed for thirteen oxides with SEM/EDS and lead isotope ratios with TIMS respectively. These samples were classified to potash glass system($K_2O-CaO-SiO_2$) with HCLA(High CaO, Low $Al_2O_3$). However three samples with above 4% for lead could be classified to potash-lead ($K_2O-PbO-CaO-SiO_2$)glass system and it seemed that coloring agent for greenish blue was Cu. Lead isotope ratio data for four samples did not make a group but scattered to the space respectively. It needs more study for compositions and lead iosotope data of potash-lead glasses with regions and ages.
정광용,정연준,김찬영,양두현,김재천,Jung, Kwang-Yong,Jeong, Yeon-Jun,Kim, Chan-Young,Yang, Doo-Hyun,Kim, Jae-Chun 대한소아외과학회 2004 소아외과 Vol.10 No.1
A total of 30 cases of the peptic ulcer in children, who underwent operations from January 1981 to December 1995 because of complications at Department of the Surgery, Chonbuk National University Medical School, is reviewed. Twenty-three were males (76.7%), 7 females (23.3%) and male was preponderant at 3.3:1. There were 25 cases (83.3%) age 10 to 15 years, 3(10.0%) between 2 and 9 years, and 2 (6.7%) below 2. The ulcer was located at duodenum in 27(90.0%), and at stomach in 3 cases (10.0%). Complications were perforation in 19 cases (63.3%), pyloric obstruction in 9 (30.0%) and bleeding in 2 (6.7%). For perforation, truncal vagotomy with pyloroplasty was done in 11 cases, truncal vagotomy with hemigastrectomy and gastrojejunostomy in 6, and simple closure in 2 cases. For obstruction, truncal vagotomy with hemigastrectomy and gastrojejunostomy was done in 5, and truncal vagotomy and pyloroplasty in 3 cases. For bleeding lesions, truncal vagotomy and pyloroplasty was performed in 2 cases. Ten postoperative complications developed in 9 patients: adhesive ileus in 5, recurrence in 2, pneumonia 2, and wound seroma 1 case. One patient developed a primary duodenal perforation and another a recurrent obstruction. Both of patients had symptoms for more than 3 years and were treated with truncal vagotomy and pyloroplasty for the primary operations. Hospital stay was 11.5 days for the patient with perforated ulcer, 11.0 days for the patient with pyloric obstruction, and 14.5 days for the child with bleeding. Average hospital period was 11.6 days. To reduce recurrences after operation, extensive procedure such as distal gastrectomy with vagotomy at the first operation should be considered in case with severe complication or with patients who have been symptomatic for long periods.
고층 사무소 건축의 외부형태에 나타난 조형적 장식 표현에 관한 연구 -1980년 이후 국내 사례를 중심으로-
정광용(Kwang-Yong Jung) 한국산업융합학회 2002 한국산업융합학회 논문집 Vol.5 No.4
The focus of this study is that spacial, material, functional, cubical reasons are visually expressed on high-rise office Architecture in Korea according to the period of their completion. Office buildings are analyzed in three of exterior composition : Lower, Middle, Top part of the Building, Comparing the whole composition of the Building, forty-five types of compositions are extracted ; expression of formal, material, structural, functional Decoration which show the tendencies of Korean office buildings.