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。
Effects of time, order of adding reagents, contents of ethanediol, silver nitrate, acid copper plating bath and nitrate on scattering intensity of resonance light were studied.
讨论了乙二醇用量、硝酸银用量、酸性镀铜液(底液)用量、硝酸用量、时间及试剂加入顺序对共振光散射强度的影响。
By treating this precipitate with nitrous acid followed by a recrystallization process, copper (II) nitrate was recovered in 82.32% yield.
该沉淀经硝酸溶解和浓缩结晶可以得到硝酸铜，其回收率为82.32%(以铜含量为基准)。
He can use ferric chloride, the copper wire to the melting off; I can use silver nitrate, to connect to a breakpoint.
他可以用氯化铁，把铜导线给溶断；我就可以用硝酸银，把断点给接上。
The serum nitrate are measured with a copper-coated cadmium reduction method.
本文报道用镀铜镉还原法测定血清硝酸盐。
The serum nitrate are measured with a copper-coated cadmium reduction method.
本文报道用镀铜镉还原法测定血清硝酸盐。
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