The effect of series number ofm-CSTR on the activity of catalyst is faintish.

串联釜级数对催化剂的活性及其分布、产物组成影响较小。

Method of segmenting the shadow navigation lane in faintish illumination is studied by using threshold surface.

研究了采用区域生长方法对正常光照阴影路径图像进行分割。

The valve structure is optimized to meet the need, which makes it have such advantages: Smaller vortex area and faintish vortex intensity, so the vibration of vortex is controlled efectively.

针对水阀的特点，对大口径进水阀和排水阀进行流场计算，确定其优化设计指导思想为：控制旋涡，减小旋涡区，减小涡的强度；