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| - Asymptotic properties of the Hahn–Hausman test for...
- 作者：Jerry Hausman 来源期刊：2005 Elsevier 年卷号：
- 摘要：This paper provides weak-instrument asymptotic representations of tests for instrument validity by Hahn and Hausman’s (HH) [Hahn, J., Hausman, J., 2002. A new...
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- Improvement of engine emissions with conventional ...
- 作者：Md.Nurun Nabi 来源期刊：2005 Elsevier 年卷号：
- 摘要：In this report combustion and exhaust emissions with neat diesel fuel and diesel–biodiesel blends have been investigated. In the investigation, firstly biodie...
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- Performance and exhaust emission characteristics o...
- 作者：Gvidonas Labeckas 来源期刊：2004 Elsevier 年卷号：
- 摘要：This article presents the comparative bench testing results of a naturally aspirated, four stroke, four cylinder, water cooled, direct injection Diesel engine...
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- Study on the design of inlet and exhaust system of...
- 作者：Ugur Kesgin 来源期刊：2004 Elsevier 年卷号：
- 摘要：The design and operational variables of inlet and exhaust systems are decisive to determine overall engine performance. The best engine overall performance ca...
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- LED在照明工程中的应用
- 作者： 来源期刊：老古开发网 年卷号：
- 摘要：过去10年来,LED在颜色种类、亮度和功率都发生了极大的变化。LED以其令人惊叹而欣喜的应用在城市室内外照明中发挥着传统光源无可比拟的作用。LED寿命长达10万小时,意味着每天工作8小时,可以有35年免维护的理论保障。低压运行,几乎可达到100%的光输出,调光时低到零输出,可以组合出成千上万种光色,而发光面积可以很...
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