1.
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
2.
an oxide of manganese found naturally as hausmannite.
一种锰的氧化物，作为黑锰矿天然存在。
3.
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
4.
a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds.
一种由天然氯化钾组成的矿物，是重要的钾矿石，见于沉积矿床中。
5.
Natural rubber latex--Determination of manganese content--Potassium periodate photometric method
GB/T8296-1987天然胶乳锰含量的测定(高碘酸钾光度测定法)
6.
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
7.
Rapid Determination of the MnO_2 in Manganese Ore by Sodium Oxalate-Potassium Permanganate Back Titrimetric Method
草酸钠—高锰酸钾返滴定法快速测定锰矿石中MnO_2
8.
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
9.
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
10.
Manganese ores--Determination of sodium and potassium contents
GB/T14949.7-1994锰矿石化学分析方法钠和钾量的测定
11.
Modification of KIO_4 Oxidation-Photometric Determination of Manganese in Iron Ore;
高碘酸钾光度法测铁矿石中锰含量的改进
12.
Removal of lead,cadmium,iron,and manganese from mine water by potassium ferrate coagulation
高铁酸钾混凝去除矿井水中的铅、镉、铁、锰
13.
"Saltpetre (or nitre also spelled saltpeter orniter)：Transparent, colourless, or white powder or crystals of potassium nitrate (KNO3), found native in deposits."
硝石:硝酸钾的无色透明白色的粉末或结晶体，产于天然的矿床。
14.
In Alberta people mine and drill for oil, potash, petrol and gas.
在亚伯达，人们采矿、打井开采石油、碳酸钾、汽油和天然气。
15.
Determination of Calcium Oxide Content in Phosphate Rock and Concentrate by Potassium Permanganate Volumetric Method
高锰酸钾滴定法测定磷矿石和磷精矿中氧化钙含量
16.
Methods for chemical analysis of iron ores--The potassium permanganate volumetric method for the determination of calcium content
GB/T6730.13-1986铁矿石化学分析方法高锰酸钾容量法测定钙量
17.
The Removal of Oscillatoria by Per-Oxidation of Potassium Permanganate and Co-Coagulation with Mineral and PAC
高锰酸钾预氧化复合矿物质与PAC混凝去除水中颤藻的研究
18.
Rapid Determination of the Total Iron in Manganese Ore by Titanium Trichloride-Potassium Dichromate Titrimetric Method
三氯化钛—重铬酸钾滴定法快速测定锰矿石中全铁