copper stain 中文意思是什麼
copper stain
解釋
銅斑-
Surface must be smooth, no copper stain 、 shrinkage 、 flow mark 、 bubble etc
表面光潔、色澤均勻,無縮癟、流痕、氣泡等缺陷。 -
Since the capsule is water - soluble, copper sulfate, rather than water, is used to wash the purple primary stain out of the capsular material without removing the stain that is bound to the cell wall
因為夾膜是水溶性的,因此硫酸銅溶液取代了水,用來沖洗夾膜材料上的紫色初次染料以避免趕走附著在細胞壁上的染料。
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