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Improving performance parameters of combustion engine for racing purposes
engine performance parameters turbocharger roller dynamometer
2014/9/22
Mechanical parts of stock engine have a performance reserve which could be utilized when the engine is used under the race conditions. Especially normal turbocharged engines have their performance par...
Research on agricultural search engine optimization
Search engine optimization (SEO) kernel principal component analysis (KPCA)
2011/1/11
Search engine optimization (SEO) has practical significance for promoting farmers income and agricultural efficiency in China.
基于ArcGIS Engine的河道断面生成与数据获取
河道断面 自动生成 半自动生成 ArcGIS Engine
2009/6/30
河道断面分析是河床演变分析的基础。传统河床演变分析方法中的断面分析主要是针对固定断面来进行, 分析过程是根据固定
断面的实测地形资料, 绘制河道断面图, 处理数据的工作量较大, 且分析依赖断面实测资料的完整性。基于ArcGIS Engine 的河道断面生
成与数据获取解决了传统河床演变断面分析必须立足固定断面的局限。以河道地形测量数据为基础, 利用GIS 空间分析, 可根据需求
任意布设河道...
Effect of spent engine oil on soil catalase and dehydrogenase activities
catalase dehydrogenase soil engine oil
2008/11/20
The effect of spent engine oil on soil pH as well as activity of selected enzymes (catalase and dehydrogenase) was studied. The results indicate that spent engine oil caused a slight change in soil pH...