A Theoretical Study for the Structure and Property of N_2O_4

Objective To investigate the protective effect and its mechanisms of N-acetylcysteine ( NAC) on acute lung injury ( ALI) caused by exposure to high concentration rocket liquid propellants asymmetrical dimethylhydrazine ( UDMH) and dinitrogen tetroxide ( N2O4).

目的观察N-乙酰半胱氨酸（NAC）对大剂量火箭液体推进剂偏二甲基肼（UDMH）和四氧化二氮（N2O4）吸入性急性肺损伤（ALI）的保护性作用。

A brief introduction is made to the production, research, utilization in high-tech fields and development trend of the manganese-bearing materials, with electrolytic manganese metal, manganic manganous oxide ( Mn 3O 4), lithium manganate as the representative.

简要介绍了以电解金属锰、四氧化三锰、锰酸锂等为代表的锰系材料的生产、研究及其在高新技术领域的应用情况及发展趋势。

Then as the preparation of its units, chemical preparation, the successful synthesis of the four long and short spinous with manganese oxide, and to study its analog alizarin red-methyl orange dye adsorption properties of water.

然后将其作为制备单元，用化学制备方法，成功合成出多孔带刺球状的四氧化三锰，并研究其对模拟茜素红-甲基橙印染污水的吸附性质。

Fe, Ca, Mg, K, Na in Mn3O4 product were determined by flame atomic absorption spectrometry, and chromium was determined by GFAAS after dissolving the sample with HCl ( aq).

用盐酸溶解样品，火焰原子吸收光谱法测定四氧化三锰中铁、钙、镁、钾、钠，石墨炉原子吸收光谱法测定其中的铬。

At last, the Hausmannite manganomanganic oxide ( Mn3O4) thin films were deposited by chemical bath deposition and the affect of different deposition parameters on the films was also discussed.

最后，通过化学浴沉积制备出黑锰矿四氧化三锰薄膜，并且研究了不同实验条件对薄膜影响。

Determination of Fe, Ca, Mg, K, Na and Cr in Mn_3O_4 Product by Flame Atomic Absorption Spectrometry

原子吸收光谱法测定四氧化三锰产品中多种杂质元素

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。

Investigations of Preparating Lead-sulfate and Mangano-manganic-oxide from Galena Concentrate and Pyrolusit; Dressing Practice of-0.5 mm Manganese Ore

从方铅矿精矿和软锰矿直接制备硫酸铅和四氧化三锰材料的研究-0.5mm锰矿选矿研究与生产实践

A Study on Preparation of Mn_3O_4 by Oxidizing Hydrolysis of Manganese Sulfate with Air in Ammonia Alkalescence Media

硫酸锰在氨性介质中制备四氧化三锰的研究

Powder mangano-manganic oxide is used as adsorbent to deep remove trace molybdenum from manganese sulfate solution.

采用粉体四氧化三锰为吸附剂，对硫酸锰溶液深度除钼工艺进行了研究。

The Preparation of Magnetic Trimanganese Tetroxide

四氧化三锰磁性材料制备

On the Development, Present Situations and Future Prospects of China's Manganese Tetroxide Industry

中国四氧化三锰工业的发展、现状与展望

A Theory and Practice of Manufacturing Mn 3O 4 from Manganese Metal Powder by Hydrometallurgy

用金属锰粉湿法制取四氧化三锰的理论和实践辉锑矿湿法生产焦锑酸钠工艺研究

Valence State of Manganese in Mangano-manganic Oxide and Analytical Method for Its Paste Sample

四氧化三锰中锰的存在价态及浆状试样的分析方法

Determination of Total Manganese Content in Manganomanganic Oxide

四氧化三锰中总锰含量测定

A technical study on the preparation of Mn_3O_4 from pyrolusite by phase transformation method

相转变法由软锰矿制备磁性四氧化三锰工艺

The Current Problems and Countermeasure of the Constant Development of Mn_3O_4 in China

中国四氧化三锰工业可持续发展面临的问题与对策

Kinetics of manganese tetroxide preparation catalyzed by different acids

不同酸催化下制备四氧化三锰的反应动力学

Study on Microwave-assisted Preparation of High Specific Surface Area Mn_3O_4

微波辅助制备高比表面积四氧化三锰的研究

Application of Composite Flocculant to Industrial Wastewater Treatment of Mn_3O_4

复合絮凝剂在四氧化三锰工业污水处理中的应用