Simulation results show that the proposed nonlinear predictive control method can stabilize the concentration of ferrous ion and, which is very useful to practical production.

A higher pulp density caused a lower zinc extraction. The low oxidation rate of ferrous ion was the cause of low extraction rates.

当矿浆浓度高时，锌的浸出率很低，微生物氧化亚铁的速率缓慢是造成浸出率低的主要原因。

A study of treatment of wastewater containing refractory organics with hydrogen peroxide in presence of ferrous ion and UV radiation

紫外光及亚铁离子催化下过氧化氢处理废水中难分解有机物的研究

A new highly selective method for the microdetection of ferrous ion with 2,5-dinitrophenol reagent

亚铁离子新的高选择性微量检定法

A study of the auto-catalysis function of the ferrous ion oxidation in the process of iron removal by filtration

过滤除铁中亚铁离子氧化自催化功能的研究

Investigation on the effectiveness of ferrous ion lndex in the surface geochemical prospecting of oil gas and its improvement method

亚铁离子指标在地表油气化探研究工作中有效性及改进方法探讨

Kinetic Determination of Subtrace Ferrous Ion with Thallium(ⅰ) Ion Selective Electrode

铊（Ⅰ）离子选择电极动力学分析法测定超痕量铁

It can chelated ferrous ion and partial metal ions and improve non-biologic stability.

螯合铁离子部分金属离子，改善非生物稳定性。

The process of neutralization-oxidation-flocculation for treating acidic wastewater containing high concentrated ferrous ion has been studied.

采用中和氧化絮凝工艺对高浓度酸性含铁废水进行了处理。

All the ferrous ion, the bacteria cells concentration and temperature have apparent effect on the ferrous oxidation rate.

研究Fe2+、细菌浓度、温度变化时Fe2+氧化反应速率的变化规律。

The concentration of ferrous ion is the most important technical index in iron precipitation process based on goethite method.

针铁矿法沉铁过程出口Fe2+浓度是生产中最重要的工艺指标。

Reduction kinetics of pertechnetate by ferrous ion in hydrochloric acid medium

盐酸介质中二价铁还原高锝酸盐的动力学研究

Online Measuring Technology of Ferrous Ion in Flux of the Hot-Dip Galvanizing

热镀锌助镀剂中亚铁离子在线检测技术

In addition, the change rule of ferrous ion in the reaction solution was explored.

考察了反应液中Fe（Ⅱ）离子浓度的变化规律。

Process improvement of ferrous ion removal from sodium rhodanate solution

硫氰酸钠溶剂中铁离子脱除工艺的技术改进

Study on the Viscosity Increasing System of Partially Hydrolyzed Polyacrylamide Ferrous Ion Formaldehyde

聚丙烯酰胺亚铁离子甲醛增粘体系的研究

Experimental study on removal of manganese and ferrous ion in groundwater by modified zeolite

改性沸石去除地下水中铁锰实验研究

Stimulation of the seedling growth of rice by ferrous ion

亚铁离子对水稻萌发后幼苗生长的促进作用

Determination of Zinc and Ferrous Ion in Drugs by Ion Chromatography

离子色谱法检测含锌和含铁的药物

Experimental Study on Treatment of Acidic Wastewater Containing High Concentrated Ferrous Ion

高浓度酸性含铁废水处理的试验研究

The action mechanism of ferrous ion was studied.

并探讨了亚铁离子的作用机理。