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[期刊论文] 作者：Chang Keun Sung,Zhe Ming Fang,,
来源：南京林业大学学报（自然科学版） 年份：2004
Esteya vermicola是首次发现的松材线虫的内寄生真菌.最近从韩国土壤中发现了该菌的一个新菌株.该菌株能产生两种孢子,并能在4～5 d内感染几乎所有测试的松材线虫分离物.最近2...
[期刊论文] 作者：Lee Dowon,Yook Keun Hyung,Lee,
来源：中国科学C辑 年份：2004
Using a slightly modified IPCC method, we examined changes in annual fluxes of CO2 and contributions of energy consumption, limestone use, waste combustion, lan...
[期刊论文] 作者：Jae Keun Yoon,Seung Joon Lee,K,
来源：光散射学报 年份：2004
Noble metallic nanostructures exhibit a phenomenon known as surface-enhanced Raman scattering (SERS) in which the scattering cross sections are dramatically enh...
[期刊论文] 作者：Keun Young PARK,Ho Je CHO,Tae,
来源：中国有色金属学报（英文版） 年份：2004
采用SnO2和Al靶，通过射频(RF)溅射在石英基体上制备透明p型SnO2/Al/SnO2导电复合薄膜。沉积薄膜在500°C进行不同时间(1～8 h)退火处理，研究退火时间对SnO2/Al/SnO2复合薄膜结构...
[期刊论文] 作者：JEONG Jae hyuck,CHI Jeong hee,RYU Keun ho,
来源：重庆邮电学院学报(自然科学版) 年份：2004
Spatial selectivity estimation is one of the essential studies to get query responses rapidly and accurately with the limitation of memory space. Currently, there exist several spatial selectivity est...
[期刊论文] 作者：NHAN Vu thi hong,CHI Jeong hee,RYU Keun ho,
来源：重庆邮电学院学报(自然科学版) 年份：2004
Most of spatial phenomena like natural vegetation units and land use areas constantly change over time and have uncertainty spatial extents. Till now, a considerable number of data models have been pr...
[期刊论文] 作者：YOU Byeong seob ,KIM Myung keun ,ZOU Yong gui ,BAE Hae young,
来源：重庆邮电学院学报(自然科学版) 年份：2004
Shared nothing spatial database cluster system provides high availability since a replicated node can continue service even if any node in cluster system was crashed. However if the failed node would...
[期刊论文] 作者：KIM Ho seok,KIM Hee taek,KIM Myung keun,BAE Hae young,
来源：重庆邮电学院学报(自然科学版) 年份：2004
The search operation of spatial data was a principal operation in existent spatial database management system, but the update operation of spatial data such as tracking are occurring frequently in the...
[期刊论文] 作者：JUN Sung woo,LEE Yang koo,KIM Sang ho,CHI Jeong hee,RYU Keun ho,
来源：重庆邮电学院学报(自然科学版) 年份：2004
In this paper we propose four dimensional (4D) operators, which can be used to deal with sequential changes of topological relationships between 4D moving objects and we call them 4D development oper...
Intravenous iron supplementation may be superior to observation in acute isovolemic anemia after gas
[期刊论文] 作者：Hong Man Yoon,Young-Woo Kim,Byung Ho Nam,Daniel Reim,Bang Wool Eom,Ji Yeon Park,Keun Won Ryu,,
来源：World Journal of Gastroenterology 年份：2004
AIM:To determine whether the application of postoperative intravenous(IV)-iron for acute isovolemic anemia after gastrectomy for cancer may be effective.METHODS...
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