通过打磨并在弱硝酸酒精溶液中蚀刻制备的样本显示出由缓慢冷却形成的交互层状的薄片结构。
Specimens prepared by polishing and etching in a weak solution of nitric acid and alcohol reveal the lamellar structure of alternating plates that forms on slow cooling.
硝酸酒精腐蚀检验:通过使用一系列的酸性或中性溶液检查磨削后零部件表面是否有裂痕或磨削烧伤。
NITAL ETCH : Process of checking surfaces of ground product for cracks or burns by use of a series of acids and neutralizers.
为了准确地检验高碳过共析钢盘条中的网状渗碳体,分别对选用硝酸酒精溶液侵蚀和碱性苦味酸钠水溶液热侵蚀两种显示方法进行了比较。
In order to detect the carbide network in high carbon hypereutectoid steel wire rods accurately, two kinds of detection method of the carbide network are compared.
运用酒精、硬脂酸、氢氧化钠、酚酞、硝酸铜、硝酸钴等原料,制备彩色固体酒精。
The colored solidified alcohol has been prepared by utilizing alcohol, stearic acid, sodium hydroxide, phenolphthalein, copper nitrate and cobalt nitrate.
运用酒精、硬脂酸、氢氧化钠、酚酞、硝酸铜、硝酸钴等原料,制备彩色固体酒精。
The colored solidified alcohol has been prepared by utilizing alcohol, stearic acid, sodium hydroxide, phenolphthalein, copper nitrate and cobalt nitrate.
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