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- stable iron and manganese 稳定性铁锰
- An alloy of iron and manganese used in the production of steel. 铁锰合金一种用于生产钢的铁和锰的合金
- Oxidation-reduction reactions are important in the solubilization and precipitation of iron and manganese. 氧化还原反应在铁和锰的增溶和沉淀中具有重要作用。
- Iron and manganese must be low to prevent reaction with coloring agents and flavor components. 为了防止铁、锰与色素和风味物质成分发生反应,这两种元素的含量也必须低。
- Recent development on determination of trace iron and manganese by chemiluminescence is reviewed. 评述了国内外有关铁、锰的化学发光分析进展。
- Piere Mouchet.From Conventional to Biological Removal of Iron and Manganese in France[J].J AWWA，1992(4). 李圭白，刘超.;地下水除铁除锰(第2版)[M]
- Quartz sand, activated carbon, removing iron and manganese filtration, deoxygenation, fluoride removal equipment. 石英砂、活性碳、过滤除铁除锰、除氧、除氟设备。
- Application: Mainly applicable to iron and manganese removal filter units for drinking water with excellent filtering effect. 用途：锰砂，常用于生活引用水的除铁，除锰过滤装置，滤水效果非常良好。
- Oxygen demand for iron and manganese removal in biofilter was discussed by means of theoretical calculation and experiment. 从理论计算和试验两方面探讨了生物除铁除锰滤池中的曝气溶氧问题。
- The superfluous iron and manganese in the groundwater can bring series of adverse factors to the daily life and industrial manufacture. 地下水中铁锰超标是会给日常生活和工业,生产带来一系列不利因素。
- Aim To study the decolorization effect of printing and dyeing wastewater with spongy iron and manganese sand as the porous metal filter material. 目的研究海绵铁、锰砂金属多孔滤料对印染废水色度的去除效果。
- He considers that the inclination of quality ds acid and the higher contents of iron and manganese belong to the background of the ... 认为:水质偏酸和铁锰含量较高均属第一环境的本底值问题,将来的地下水质会不断变化,将以有机污染为主。
- Water purification equipment Series: If Integrated water purifier, Mechanical filters, Activated carbon filters, Valve filters and for removing iron and manganese. 水质净化设备系列：如一体化净水器、机械过滤器、活性碳过滤器、无阀过滤器和除铁除锰器。
- The anthracite used as filter material in water plant for biological removal of iron and manganese has been studied and practiced through production practices. 摘要目的通过生产实践，进行了无烟煤作为在生物除铁除锰水厂滤料的研究与应用。
- In addition to cobalt and manganese materials, lithium iron and vanadium phosphates are now used as cathode materials in commercial Li-ion polymer cells. 锂离子电池在放电状态下装配。负极中的锂来源于正极。电池的第一次充电将锂从正极转移到负极。
- Steel frame and base; make a durable and stable ironing board. 不锈钢框架和底架;熨衣板结实、平稳。
- This paper reviews the formation and feature of iron and manganese plaque, alleviation of metal (loid) toxicity via adsorption and accumulation, eutrophica. 因其所具有的特殊的物理或化学结构,植物根表的铁锰氧化物胶膜在环境生态中起重要作用。
- Iron and steel are of great use. 钢和铁有很大的用处。
- A magnet attracts both iron and steel. 磁铁吸铁也吸钢。
- This paper reviews the formation and feature of iron and manganese plaque, alleviation of metal (loid) toxicity via adsorption and accumulation, eutrophication purification, plant acid proof and barren resistance. 文章综述了植物根表铁锰氧化物的形成与特征，对有害金属和类金属污染物、有机污染物的吸附和富集作用，对富营养化水体的净化作用，以及提高植物的耐酸和耐贫瘠能力。
