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1·The extent of coprecipitation of copper with ferric hydroxide in the ammonium chloride-ammonia process has been studied.

用氢氧化铵及氯化铵以分离铜与铁，结果很好。

2·The results shows that TS—616 is an excellent water treatment reagent for inhibiting calcium phosphate, ferric hydroxide and silica scales, and has good heat stability.

研究表明TS—616是一种阻磷酸钙垢、铁垢、硅垢和热稳定性都极为优良的水处理剂。

3·According to the experimental results, the electrophoresis rate of ferric hydroxide increases with temperature. However, ? potential of ferric hydroxide is nearly independent of temperature.

实验发现，氢氧化铁胶体的电泳速度随温度的升高而增加，但其? 电势几乎与温度无关。

4·Solution culture experiment was conducted to study the effect of ferric hydroxide and phytosiderophore on Cd uptake by wheat plants grown in nutrient solution with different iron concentration.

用营养液培养方法，模拟在不同铁浓度条件下，小麦根表铁氧化物及植物铁载体对植物吸收镉的影响。

5·The inventive method has low error, high accuracy, and avoids complex correction via using sugar-ferric-hydroxide compound.

该方法误差较小，精确度较高， 采用糖-氢氧化铁复合物标准品还可避免繁琐的校正工作。

6·Suitable retraction agents include aluminium hydroxide chloride, aluminium sulfate or ferric sulfate solutions.

理想的牙龈收缩试剂包括氢氧化铝氯化物，硫酸铝或硫酸铁溶液。