The effects of tempering weld-pass treatment on toughness of HAZ of X80 pipeline steel were studied by the technique of welding thermal simulation and the method of microscope analysis.
采用焊接热模拟技术和显微分析方法，研究了回火焊道热处理对X80级管线钢焊接热影响区韧性的影响规律。
2
This is a technique called Maximum Aperture, and is done by adjusting the Settings on your digital camera to let more light pass through the lens.
这种技巧称为“最大光圈”，通过调整数码相机设置，让更多光线进入镜头，便可完成。
3
By theoretical analysis, numerical simulation and experiment research, the Interleaver based on optical all-pass filter technique is investigated.