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化学社会公用计量标准
释义
化学社会公用计量标准
Encyclopedia
工学
〔化学计量基本概念〕
释
public measurement standards in chemistry
化学社会公用计量标准
经中国县级以上地方人民政府计量行政部门批准,作为统一本地区化学成分量、物理化学特性量等的单位或量值的依据,在社会上实施化学计量监督并具有公正作用的化学计量标准。
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surface of constant geopotential
surface of constant phase
surface of constant width
surface of contact
surface of degeneration of type
surface of degree p
surface of discontinuity
surface of equal distances
surface of finite type
surface of general type
surface of genus g
surface of genus zero
surface of intersection
surface of least area
surface of Liouville type
surface of materials
surface of negative curvature
surface of order n
Surface of phase change heat transfer
surface of positive curvature
surface of r contours
surface of revolution
surface-of-revolution parallel
surface of rotation
surface of screw motion
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