查询词典 manganic oxide

The basic principle and technological process for producing mangano-manganic oxide from cheap pyrolusite by phase transformation method were introduced.

为了降低四氧化三锰的生产成本，介绍了以价格低廉的软锰矿为原料，使用相转变法制备四氧化三锰的基本原理和工艺过程。

In view of the problems above,this paper put forward a new craft route,which was preparing manganous sulfate from rhodochrosite by acid-leaching as raw material to get manganic manganous oxide.

本课题针对上述问题，采用酸浸贫菱锰矿制备硫酸锰进而制备生成四氧化三锰的工艺路线。

The craft of preparation manganic manganous oxide from low grade rhodochrosite,can not only solves the problem of high cost of manganic manganous oxide,but also achieves the resources maximizing and solves low grade or abandoned Mn-core resource outlet question.Therefore,this craft has enormous economic efficiency and social efficiency.

贫菱锰矿制备四氧化三锰工艺，不仅解决了四氧化三锰生产成本高的问题，同时还做到资源的利用最大化，并且解决了大量的贫锰矿石和废弃锰矿石出路问题，具有极大的经济效益和社会效益。

And manganic manganous oxide is the main material to produce ferrite.

而四氧化三锰是生产软磁铁氧体的重要原料。

It can be divided into four methods to prepare manganic manganous oxide from the raw stuff: electrolytic product of manganese、manganous salt、manganese oxide compound and manganese carbonate.

四氧化三锰的生产方法主要有四种：金属锰悬浮液法、锰盐法、高价锰氧化物法以及碳酸锰法。

The manganic manganous oxide is prepared from the purified manganese sulfate solution using hydrogen peroxide as oxidant under alkali medium of ammonia solution.

研究了从软锰矿制备硫酸锰，在碱性溶液中，以过氧化氢为氧化剂，制备高比表面优质四氧化三锰的新工艺。

Now in China the primary method to produce manganic manganousoxide is using the electrolytic product of manganese as raw stuff,the product produced though this method is high-quality and can meet the electronic grade manganic manganous oxide standard.

目前，我国四氧化三锰主要是以电解金属锰为原料来生产，该法生产出来的四氧化三锰杂质含量低、质量好，能较好地达到电子级四氧化三锰标准要求。

Several mixed control samples of manganic manganous oxide, manganese dioxide and manganese sulfate with various sulfur content were prepared by adding sulfuric acid with known concentration into high pure manganic manganous oxide. Then they were dried and mixed, and the content of sulfur was determined by high frequency infrared ray carbon sulfur analyzer.

向高纯四氧化三锰中加入已知浓度的硫酸，制备不同含硫量的四氧化三锰、二氧化锰、硫酸锰的混合物控制样，将制备好的控制样干燥、混匀后，用高频红外碳硫分析仪分析控制样中的硫含量。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。