1.
Study on the Modification of the Natural Manganic Ore and the Removal of Modified Manganic Ore to Organic-Dyes Wastewater;
天然锰矿改性及对有机染料的除去研究
2.
Chemical Modification of Manganese Ore and Adsorbability for Heavy Metalions
天然锰矿的化学改性及其对重金属离子的吸附能力
3.
Study on the Modification of the Natural Manganic Ore and Its Adsorbent Activity for Heavy Metal Ions;
天然锰矿的改性及其对重金属离子吸附性能的研究
4.
an oxide of manganese found naturally as hausmannite.
一种锰的氧化物，作为黑锰矿天然存在。
5.
Experimental Treatment of Hg～(2+), Cd～(2+), Pb～(2+) Bearing in Waste Water by Natural Cryptomelane;
天然锰钾矿处理含Hg～（2+），Cd～（2+），Pb～（2+）废水实验研究
6.
Stability Analysis of the Tailing Pond of Tiandeng Manganese Mine
广西天等锰矿尾矿库的稳定性分析与整治
7.
Influence of Acid Treating Natural MnO_2 on ITS Performance;
酸处理对天然二氧化锰电性能的影响
8.
Drinking natural mineral water
GB8537-1995饮用天然矿泉水
9.
"fossil fuels: coal, oil, and natural gas"
矿物燃料(煤、石油、天然气)
10.
the natural mineral wealth of a country
一国的天然矿物资源
11.
Treatment of zinc plating wastewater by the mixture of activated carbon and nautural maganess oxide
活性碳—天然锰砂混合处理镀锌废水的初探
12.
A Study on the Characteristics of Pre-oxidation of Aquatic Natural Organic Matters-humic Acid by Potassium Permanganate;
水中天然腐植酸的高锰酸钾预氧化特性研究
13.
A mixture of black manganese oxide minerals.
硬锰矿一种黑色氧化锰矿的混合物
14.
Research on Preparation of Chemical Manganese Dioxide for Alkaline Zn-Mn Battery from a Low-grade Manganese Carbonate Ore
贫菱锰矿合成碱锰电池级化学二氧化锰研究
15.
Method for determination of total manganese content inmanganese ores
GB/T1506-1979锰矿石中全锰量的测定
16.
Dianjiejinzhumeng, manganese series product processing, marketing.
电解金属锰，锰矿系列产品加工，销售。
17.
Resourcesof Mn-ores and Development of EMM;
中国的锰矿资源和电解金属锰的发展
18.
Uncertainty Assessment for Manganese Proportion Testing in Manganese Ore
锰矿石中锰含量测定的不确定度评估