On the basis of studying the mechanism of sewage scaling and its softening treatment, the technique for water quality soft process with sodium hydroxide precipitation method is determined.
在污水结垢机理和软化处理研究的基础上,确定了氢氧化钠沉淀法进行水质软化处理的工艺。
Monosized spherical aluminum hydroxide particles were first prepared by homogeneous precipitation using the urea method below its boiling temperature.
用尿素均相沉淀法首次制得了单一尺寸的球形氢氧化铝颗粒。
Using barium hydroxide octahydrate and urea as raw material, barium carbonate is prepared by homogeneous precipitation method.
以八水氢氧化钡和尿素为原料,采用均相沉淀法制备了碳酸钡粉体。
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