The oxidation kinetics curve was drawn. The surface morphology and cross section micrograph of the Al-Si coating were studied by using SEM.
绘制了氧化动力学曲线,用带能谱分析的扫描电镜观察了涂层的表面氧化形貌和横截面组织形貌。
Especially calculating procedures for circle curve by cross-section and transition cur-ve of the road have been expressed and derived in detail.
特别对圆形曲线的横断面曲线、缓和曲线等的计算步骤作了详细说明和推导。
In calculation models of cutting volume for dredging project, the cross section is usually a special one through survey points, and the curve of the river bed is assumed to be a line or a polyline.
通常疏浚工程中挖槽土方量计算模型的河床横断面是通过测量点的特殊断面,该断面轮廓曲线假定为近似直线或折线。
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