论文部分内容阅读
Estimating the spatial distribution of organic carbon density for the soils of Ohio, USA
【机 构】
：
Department of Plant Science,Carbon Management and Sequestration Center,Department of Geography and D
【出 处】
：
地理学报（英文版）
【发表日期】
：
2004年期
其他文献
A serious wheel out-of-round phenomenon exists in a certain subway vehicle in China. More seriously, the vertical vibration of car body of this subway vehicle w
Compression Creep Behavior of High Volume Fraction of SiC Particles Reinforced Al Composite Fabricat
The compression creep deformation of the high volume fraction of SiC particles reinforced Al-Mg-Si composite fabricated by pressure-less infiltration was invest
Some fundamental studies on the preparation, structure and optical properties of NbN films were carried out. NbN thin films were deposited by DC reactive magnet
通过对高层建筑设备层内空调水泵隔振工程实例分析，通过对设备层楼板的声强阵列测量，取得楼板表面法向辐射的声强分布图，经过分析，发现设备层楼板存在空气声传播途径。据此确定楼
The effect of water on the formation of polychlorinated dibenzo-p-dioxins(PCDDs)and dibenzofurans(PCDFs)from precursor was investigated by the experiments with
涡轮风扇发动机风扇噪声的量化分析包括直接建模分析和试验模型分析。基于涡轮风扇整机噪声试验和风扇部件噪声试验模型分析的需求，运用在光学和数字图像处理领域广泛应用的广
DNA barcoding is a molecular tool that uses a standardized DNA region to identify species. Our preliminary study reported here is the first attempt to specifica
通过对3种SnO2电极的微观结构分析,探讨影响抗玻璃液侵蚀能力的微观因素.研究结果表明,添加剂适量、结构致密、分布均匀是提高抗玻璃液侵蚀能力的必要条件.所研究3种SnO2电极