옥수수 栽培地 土壤의 物理化學的 特性

許奉九,廬泳德 경희대학교 부설 식량자원개발연구소 1989 硏究論文集 Vol.10 No.-

To establish the optimum ranges of soil properties for corn growth, this study was carried out. Corn growth was investigated and soil environmental and physico-chemical properties were surveyed and analyzed at 127 farmer's field from 1983 to 1984. The mean values of plowing layer, root zone and bulk density were 10cm, 21.4cm and 1.20g/cm^(3), respectively. pH and organic matter were 5.2 and 2.8%, but those values were below the optimum level. Optimum ranges of three phases were below 55% in solid, above 20% in liquid and above 15% in air phase. The limiting ranges of soil physical properties for corn cultivation were below 10cm of plowing layer, above 20% in liquid and above 15% in air phase. The limiting ranges of soil physical properties for corn cultivation were below l0cm of plowing layer, above 18.4cm of soil hardness and 1.30g/cm^(3) of bulk density. Corn growth was correlated highly with environmental and physical properties of soil. The limiting factors in corn field were appeared in order of gravel content >available soil depth >slope >plowing layer >bulk density = porosity >soil hardness.

담관결석증이 동반된 담도회충증 1예

주봉덕,유철재,이헌영 충남대학교 의과대학 지역사회의학연구소 1990 충남의대잡지 Vol.17 No.1

Biliary ascariasis results not only in biliary tract disease, but also in secondary stone formation, hemorrhage into biliaty tract, acute cholecystitis, biliary perforation, invasion to pancreatic duct, pancreatitis, he%atitis, and liver abscess. In recent, we experienced a case of biliary ascariasis with concomitant biliary stones, which was identified by ultrasonogram percutaneous transhepatic cholangiography, and computed tomography, thereby reporting it herein with a review of literatures.

한국어 형태소 처리와 사전 : 접속정보를 이용한 한글 철자 및 띄어쓰기 검사기 Hangul Spelling and Word-spacing Checker Using the Connectivity Information

김덕봉,최기선,강재우 서울대학교 어학연구소 1990 語學硏究 Vol.26 No.1

This paper describes the Hangul spelling and word-spacing checker, HSPELL. HSPELL was implemented in C and runs under UNIX^TM 4.3 BSD. The system finds spelling or word-spacing errors in the text of written Hangul and points out it by batch mode. For this processing, HSPELL uses the connectivity information between morphemes and the dictionary with 7,000 morphemes. In this paper, a morphological analysis method called shortest match strategy is proposed for the Hangul spelling and wordspacing checking. This method allows efficient search for separable morphemes in a word phrase.

고랭지 성토지 배추-호맥 작부체계하의 토양개량이 배추생육에 미치는 영향

허봉구,노영덕 한국국제농업개발학회 2003 韓國國際農業開發學會誌 Vol.15 No.2

고랭지의 모재토를 성토한 포장에서 관행구, 화학성개량구, 제오라이트구 등 3개처리를 두고 2년간 배추와 후작물로 호맥을 재배하면서 배추 생육과 수량 및 토양 특성 변화를 조사한 결과를 요약하면 다음과 같다. 1. 성토시 사용한 토양은 양질사토로서 유기물과 인산함량이 매우 낮은 척박한 토양이었다. 2. 배추의 지상부 생육은 제오라이트구와 화학성개량구가 좋았으며 배추 수량도 관행구에 비하여 16.6~24.6% 증수되었다. 3. 배추 수확 후 토양 이화학성은 시험 전에 비해 점차 증가하였으며 호맥재 배로 토양유기물과 인산함량 증가가 컸다. 4. 호맥은 배추 정식 1주일전에 경운, 매몰하였으며 그 효과는 유기물함량 5g/kg 정도 지력증진효과가 있었다. This study was carried out to investigate the changes of crop growth and soil properties under chinese cabbage - rye cropping system in highland mounding-soil. Experimental plots were designed with control, chemical improvement and zeolite+chemical improvement plots from 1999 to 2000 year. Mounding soil were low in soil organic matter and phosphate contents, and that soil texture was loamy sand soil. The growth and yield of chinese cabbage in the chemical improvement and zeolite plots were higher than that of control by 16.6~24.6%. After harvesting, the contents of soil properties increased than those of experiment before. By rye cultivation, increasing ratios of soil organic matter and phosphate contents were higher than other properties. Rye residues were buried and tilled before chinese cabbage transplanted at 1 week. Buried rye residues increased by 5g/㎏ to soil organic matter contents.

田土壤의 土性別 物理化學性의 相關硏究

許奉九,金武成,盧泳德 경희대학교 부설 식량자원개발연구소 1991 硏究論文集 Vol.12 No.-

To obtain the basic information for soil improvement, this study investigated the mean values and relationships of physico-chemical properties of the 6 families of upland soil by different soil textural classes and soil depths. By the results of detailed soil survey, the 13 physico-chemical properties were collected from the 125 series of upland soil series description. The representative value and the weighted mean values by distributed area with grouping of textural class and relationship among the soil physico-chemical properties and regression equations were evaluated by computer analysis. Available water contents of fine silty and fine clayey at the topsoil were the highest by 10.4-16.0% than the other textures. Soil pH of sandy textured at the subsoil was the highest, but organic matter content was the lowest. Cation exchange capacity and base saturation were unaffected or increased by the increase of clay or silt content. The base saturation of sandy and fine clayey were the highest. Distribution of 1% clay and 1% OM on the cation exchange capacity in coarse silty were 4.38, 6.11 in topsoil and 0.03, 1.39me/100g in the subsoil, respectively. Increase of field capacity per 1% OM in coarse loamy were 3.96% in topsoil, 3.92% in subsoil, respectively.

뿜칠시공에 의한 단면복구재의 시공성 및 공학적 특성에 관한 실험적 연구

조봉석,김영선,장재봉,김용로,김경덕,김무한 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1

These days, serious concerns of reinforced concrete have been raised recently over steel-bar corrosion, cracking, the deterioration of durability and structural stress resistance and so on, all due to the effects of exterior factors. Such being the case, in domestic, various repair materials and method systems to keep up with these reinforced concrete deteriorated due to salt damage, carbonation, chemical decay et. developed and applied. However, on-site quality control of various repair materials and method systems isn't achieved desirably because it is depend completely on a men of experience' opinions above all else regardless of various on - site environments. In this background, mock up test with due regard to real on-site environments was performed to secure fundamental data for establishment of desirable on-site quality control. Mock up test using repair mortar analyzed from angles of construction methods, mechanical spraying pressures, W 1M. Construction methods were designed manpower method and spraying method, spraying pressures were designed 32, 42, 52 psi, W/M were designed 14.4, 15.4, 16.4 %. And compressive strength, Chloride ion diffusion coefficient, bond strength, SEM of mock up test specimens were evaluated. In conclusion, we confirmed excellency of mechanical spraying pressures, fined extremely excellency of condition of spraying pressure 42 ps, W/M 14.4% within this study. therefore the results of this study will be useful to provide fundamental data for establishment of desirable on-site quality control.

논 잡초 올챙이고랭이의 화학적 방제

노영덕,이민호,이봉근 경희대학교식량자원개발연구소 2006 硏究論文集 Vol.25 No.-

우리나라의 벼 재배지역에서 최근 그 발생량이 증가 하여, 문제잡초로 되고 있는 올챙이고래이의 효과적인 방제를 위하여, 토양처리 및 경엽처리제초제들의 효과를 시험하였던 바, 그 결과는 다음과 같다. Sulfonylurea계 토양저리 제초제들은 Azimsulforon을 제외하고는 그 방제효과가 우수하였는데, 이들 제초제들은 올챙이고랭이 3~4엽기까지 훌륭한 방제 효과를 나타내었다. 기타 토양처리 제초제들의 경우, Simetryn을 제외하고는 그 방제효과가 미흡하거나, Pretilachlor나 Mefenacet와 같이 발아초기에만 효과가 인정되는 것들이었다. Simetryn의 경우에는 올챙이고랭이 3~4엽기 때까지 효과적인 방제가 가능하였다. 경엽처리의 경우 2,4-D나 graminicide들은 방제효과가 낮았고, Bentazone과 Bentazone 합제들은 우수한 방제효과를 나타내었다. Scirpus juncoides Roxb. is a quite recent problem paddy weed in Korea, but is rapidly wide spreading around the country, especially because it is one of the sedges which are hard to control chemically. For the reason, wide spectrum of paddy herbicides, both soil and foliar applied, were evaluated for the effective control of the problem weed. The most of the sulfonylurea herbicides tested have been effective when treated until 2 to 4 leaf stages except Azimsulfuron. In the other group of soil applied herbicides, other than sulfonylureas, only Simertryn was found effective for the control. Pretilachlor and Mefenacet were also good in the case of pre-emergence treatments, but they could not control the weeds when they were already germinated. Among the foliar applied herbicides, Bentazone and Bentazone mixed formulations appeared effective for the control of problem weed, Scripus juncoides.

有機性 廢棄物이 田土壤改良 및 大豆와 大麥收量에 미치는 影響

金武成,盧泳德,許奉九 경희대학교 부설 식량자원개발연구소 1987 硏究論文集 Vol.8 No.-

廢棄 有機物資源인 生藁, 堆肥 및 有機質粕을 砂壤土와 微砂質 埴壤土에 施肥水準을 달리하여 大麥과 大豆를 栽培하면서 土壤의 物理化學性 變化와 作物生育을 調査하였다. 有機物資源 施用으로 土壤의 假比重, 孔隙率, 硬度, 通氣性 等 物理性이 對照區에 비하여 改善되었으며 試驗後 土壤의 有機物含量은 有機物資源 施用으로 增加되었는데 그 效果는 生藁區와 堆肥區에서 顯著하였고 土性別로는 砂壤土보다 微砂質 埴壤土에서 높았다. 大豆와 大麥의 收量은 土壤의 孔隙率, 假比重, 硬度, 通氣性 및 耐水性 粒團 等과 높은 相關이 있었으며 有機物 施用으로 大豆 收量은 砂壤土에서 134-20%, 微砂質 埴壤土에서 33-67% 增收 되었고 大麥 收量은 砂壤土에서 1-13%, 微砂質 埴壤土에서는 4-20% 增收되었다. A field experiment was carried out to find out thA field experiment was carried out to find out the effects of various organic matter resources on the improvement of soil physico-chemical properties and crop yields. Rice straw, compost and byproduct amino acid fermentation were applied to sandy loam and silty clay loam. Barley and soybean were cultivated under different fertilizer levels, conventional and integrated improvement, and several soil physico-chemical properties and crop growth were investigated. Soil physical properties such as bulk density, porosity, hardness and air permeability were improved by organic resources application. Soil organic matter increased with application of rice straw, compost and byproduct amino acid fermentation at silty clay loam and sandy loam. Yields of soybean and barley were highly correlated with porosity, bulk density, hardness, air permeability and water stable aggregates of the soils. Soybean yield was increased by 13-20% at sandy loam, 33-67% at silty clay loam respectively. Barley yield was also increased by 1-13% at sandy loam, 4-20% at silty clay loam respectively. e effects of various organic matter resources on the improvement of soil physico-chemical properties and crop yields. Rice straw, compost and byproduct amino acid fermentation were applied to sandy loam and silty clay loam. Barley and soybean were cultivated under different fertilizer levels, conventional and integrated improvement, and several soil physico-chemical properties and crop growth were investigated. Soil physical properties such as bulk density, porosity, hardness and air permeability were improved by organic resources application. Soil organic matter increased with application of rice straw, compost and byproduct amino acid fermentation at silty clay loam and sandy loam. Yields of soybean and barley were highly correlated with porosity, bulk density, hardness, air permeability and water stable aggregates of the soils. Soybean yield was increased by 13-20% at sandy loam, 33-67% at silty clay loam respectively. Barley yield was also increased by 1-13% at sandy loam, 4-20% at silty clay loam respectively.

有機性 廢棄物이 田土壤改良 및 大豆와 大麥收量에 미치는 影響

金武成,盧泳德,許奉九 慶熙大學校 1987 論文集 Vol.16 No.-

A field experiment was carried out to find out the effects of various organic matter resources on the improvement of soil physico-chemical properties and crop yields. Rice straw, compost and byproduct amino acid fermentation were applied to sandy loam and silty clay loam. Barley and soybean were cultivated under different fertilizer levels, conventional and integrated improvement. and several soil physico-chemical properties and crop growth were investigated. Soil physical properties such as bulk density, hardness and air permeability were improved by organic resources application. Soil organic matter increased with application of rice straw, compost and byproduct amino acid fermentation at silty clay loam and sandy loam. Yields of soybean and barley were highly correlated with porosity, bulk density, hardness, air permeability and water stable aggregates of the soils. Soybean yield was increased by 13-20% at sandy loam, 33-67% at silty clay loam respectively. Barley yield was also increased by 1-13% at sandy loam, 4-20% at silty clay loam respectively.

신손상 진단에 있어 현미경적 혈뇨의 의의

임정환,오봉렬,나국주,김현수,윤한덕,허 탁,조석주,민용일 大韓應急醫學會 1996 대한응급의학회지 Vol.7 No.1

The evaluation of patients with microscopic hematuria after blunt abdominal trauma has become controversial. We tested the hypothesis that renal contusion can be diagnosed clinically and that these patients do not require radiographic evaluation. To evaluate the association of microscopic hematuria without shock and with renal injury, we reviewed the medical records of 252 patients following blunt abdominal trauma. Microscopic hematuria without shock was noted in 58 of 252 patients. Of the 58 patients 52 had renal contusion, 4 had renal laceration, 1 had a renal rupture and 1 had renal pedicle injury. All of the patients with renal contusions experienced no complications from nonoperative management. But, avoiding a radiopraphic evaluation in patients with blunt renal trauma plus microscopic hematuria and no shock would miss a few cases of severe renal injury.