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热力学传导理论
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  相似匹配句对
     Thermodynamics on Cavitation
     热力学理论与空化现象
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     Thermodynamics Theory of Complex Systems
     复杂系统的热力学理论
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     Comparative Research on the Theory of Currency Deflation Conduction
     通货紧缩传导理论的比较研究
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     Here six monetary policy transmission channels are given.
     首先从货币政策传导理论谈起。
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     theory and generalization;
     理论总结;
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  heat exchange theory
Application of the heat exchange theory to the investigation of conditions for obtaining temperature reference points
      


In order to assisting perambulation of underground petroleum pipeline,an infrared imaging method for rapidly detecting the stealing branches of pipeline and locating the leakage spots was proposed.A mathematic model for simulating the temperature distribution of the earth's surface above the underground pipeline was established on the basis of the heat exchange theory.This model demonstrated the feasibility of the infrared imaging method.The hardware architecture of infrared pipeline detector was designed.This...

In order to assisting perambulation of underground petroleum pipeline,an infrared imaging method for rapidly detecting the stealing branches of pipeline and locating the leakage spots was proposed.A mathematic model for simulating the temperature distribution of the earth's surface above the underground pipeline was established on the basis of the heat exchange theory.This model demonstrated the feasibility of the infrared imaging method.The hardware architecture of infrared pipeline detector was designed.This hardware takes an uncooled infrared focal plane array as a sensor and has the capability of real-time imaging and portability.Moreover,the automatic detection of the underground petroleum pipeline by computer was achieved by some image processing algorithms,such as image enhancement,image segmentation,and skeleton track.Oilfield experiment shows that this infrared pipeline detector can be used to detect the location,trend and branch of underground pipeline easily.

为了辅助埋地石油管道巡线以及快速定位与排查偷油支管和泄漏点,提出了利用红外热成像技术探测埋地输油管道的方法。应用热力学传导理论,对埋地输油管道上方土壤层温度场分布进行了数学建模,论证了此方法的可行性。完成了基于非制冷红外焦平面阵列及具有便携、实时成像特点的红外管道探测仪的硬件设计,运用图像增强、图像分割、骨架跟踪等图像处理算法实现了埋地输油管道的自动检测。油田现场试验证明,用这种红外管道探测仪可以方便、直观、快速地探测地下输油管道的位置、走向及分支状况。

 
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