闭口系统

探讨焓（火用）（开口系统）和内能（火用）（闭口系统）恰当的数学表达式和双图显示法。

Proper mathematical expressions , as well as the dual-representation , of enthalpy-exergy ( open system ) and of internal energy-exergy ( closed system ) are also studied .

本论文中利用计算机视觉理论、图像处理理论和数学知识，研究了基于计算机视觉的活塞环闭口间隙测量系统。

In this paper , the measurement system of the piston ring end gap based on the computer vision is studied by using the theory of the computer vision , the theory of the image processing and the mathematics knowledge .

闭口间隙参数检测系统与算法设计，对课题组以前算法提出改进，使算法不受闭口间隙成像方位的影响，并结合漏光度参数制定参数综合评定标准。

Designed the detection system and algorithm of end gap , proposed improving algorithm than before , which is not affected by the orientation of imaging , and formulated comprehensive assessment criteria according to the two parameters of light seal degree and end gap . 3 .