The atmospheric corrosion maps were described.
根据近年来国内外对大气环境和腐蚀性的研究成果,描述了大气环境及腐蚀性的研究状况,介绍了国际标准化组织的分类分级标准和我国大气环境的腐蚀性的分类分级的探讨性研究以及大气腐蚀图的研究。
Due to the different seperated oscillating flow patterns around the circular cylinder at different initial gaps, the different scour patterns are formed on the surface of the mud bed.
由于不同的无量纲间距下圆柱振荡绕流分离流动的旋涡运动类型的不同，形成了冲蚀床表面的不同类型的表面冲蚀图象。
A new method of laser assisted wet etching is proposed, which depends on the etching current characteristic and uniformity of etching image to select the suitable etchant.
提出了一种激光诱导液相腐蚀新方法——利用腐蚀电流特性和腐蚀图像均匀度相结合的方法,选择出适合的腐蚀溶液。