http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
극동러시아, 남부 시코테 알린 산맥에서의 산불 이후 천연갱신 시간과 식생 차이에 따른 토양호흡과 그 인자들 사이의 상관성 차이
김계훈 ( Kye Hoon Kim ),우수영 ( Su Young Woo ),이돈구 ( Don Koo Lee ),이성한 ( Seong Han Lee ),김경남 ( Kyeong Nam Kim ),이준수 ( Jun Su Lee ),한래경 ( Rae Kyoung Han ),정효정 ( Hyi Cheng Cheng ),( Tatiyana Iliina ),( Tatiy 한국토양비료학회 2008 한국토양비료학회 학술발표회 Vol.2008 No.1
김계훈(Kye Hoon Kim),윌리암 밀러(W . P . Miller) 한국응용생명화학회 1995 Applied Biological Chemistry (Appl Biol Chem) Vol.38 No.2
Single-drop splash/detachment studies and multiple-drop splash/detachment experiments were carried out to measure detachment by single and multiple drops. A raindrop tower 7.0 m in height was used to study soil splash by single drop raindrop impact over time on repacked soil samples in containers 76.2 ㎜ in diameter. The waterdrop diameter and kinetic energy were ≤1 ㎜ and 1.22×10^(-3) J drop^(-1), respectively. The samples consisted of five agricultural topsoils sieved to $lt;2 ㎜, varying from sandy loam to clay loam in texture. The average weight of splashed soil particles after 75 drops did not show any significant difference between the five soils. The average weight of particles splashed by the first 15 drops showed that the sandy Pelham soil splashed to a greater degree than the others, and was therefore more detachable (p=0.05) than the other soils. The average weight of particles splashed by the last 15 drops also showed that the Pelham soil was the most detachable, with Cecil, Appling, Dyke, and Worsham soils being progressively less detachable. The effect of multiple drops on detachment was studied under a nozzle-type rainfall simulator at 74.9 ㎜ h^(-1) intensity for 85 min using the same soils as the single drop experiments. The total soil splash value for 85 min on Appling, Cecil, Dyke, Pelham, and Worsham soils were 6121, 6206, 4183, 5160, and 3247 g m^(-2), respectively. There were no obvious relationships between soil loss measured from the different experiments.
김계훈(Kye-Hoon Kim),김권래(Kwon-Rae Kim),김혁수(Hyuck-Soo Kim),이군택(Goon-Taek Lee),이근화(Keun-Hwa Lee) 한국토양비료학회 2010 한국토양비료학회지 Vol.43 No.3
Outbreak of contagious diseases to livestock animals is becoming prevalent worldwide and consequently, tremendous numbers of the infected or culled stocks are buried on the ground as the most common disposal method. The buried animals can generate a wide range of detrimental components such as leachate, nutrient salts, and pathogenic bacteria, consequently contaminating the surround environment. This implies that regular investigations are required to monitor any possible detrimental environmental aspect occurred around burial sites. Therefore, the current study was conducted to investigate whether the soil and groundwater nearby the burial sites had been contaminated by the substances originated from the burial sites, which can be applied for the establishment of the ideal burial site construction design and post management scheme. For this, two different burial sites located in Cheonan and Pyeongtaek were selected. Cheonan and Pyeongtaek sites were constructed in 2004 and 2008, respectively and both contained dead poultry infected by avian influenza (AI). Soil and groundwater samples were collected around the sites followed by determination of the nutrient concentrations and bacteria (Salmonella, Camphylobacter, and Bacillus) existence in both soil and groundwater. Some of the soil samples showed higher EC, NH₄-N, NO₃-N concentration compared to those of the background (control) soils. Also the concentration of NH₄-N in some of the groundwater samples appeared to exceed the USEPA guideline value for drinking water (10 mg L<SUP>-1</SUP>). These results indicated that the soil and groundwater were influenced by the burial site originated nutrients. In the soil, Bacillus was isolated in most soil samples while there were no detections of Salmonella and Camplylobacter. Due to the Bacillus existing mainly as a spore in the soils, it was considered that the frequent detection of Bacillus in the soil samples was attributed to the nutrients originated from the burial sites.