1.
the natural mineral wealth of a country
一国的天然矿物资源
2.
Natural mineral powders that are used as colorants, stable and alkaline and therefore suitable for adding in soaps.
天然矿物质色料，属天然矿物粉末，较稳定而耐硷性的皂用染料。
3.
Study on Removal of Phosphorus in Wastewater with Natural Minerals and Steel Slag;
天然矿物及冶金炉渣处理含磷废水的研究
4.
The Study on the Preparation of TiO_2/Mineral and Photocatalytic Degradation of Methyl Orange;
天然矿物负载TiO_2的光催化功能材料研究
5.
Studies on Mold Prevention with Native Mineral as Inhibitor of the Hay Bale;
天然矿物质防霉剂对干草捆防霉效果的研究
6.
Influence of natural mineral sulfur-fixed agent on combustion of powder coal
天然矿物固硫剂及其对煤粉燃烧的影响
7.
"fossil fuels: coal, oil, and natural gas"
矿物燃料(煤、石油、天然气)
8.
Coal is a natural substance, but it is not classed as a mineral.
煤是天然物质，但不列入矿物学。
9.
Much of our oil, gas, and minerals also come from underwater.
许多石油、天然气与矿物亦是取自海里。
10.
chloride, of precious metal (excl. natural ores)
贵金属氯化物（不包括天然矿）
11.
an oxide of manganese found naturally as hausmannite.
一种锰的氧化物，作为黑锰矿天然存在。
12.
fossil fuels
(煤、石油、天然气等)矿物燃料
13.
The main useful mineral is celestine.
矿石组构虽然复杂,但其矿物组成比较简单,有用矿物主要为天青石。
14.
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。
15.
A preliminary study on the difference between natural oxide copper ore and corrosion product of the bronze ware;
天然氧化铜矿与铜制品腐蚀产物区别的探讨
16.
Experiments on Topotaxic Reactivation of Sulphides from Natural Ore
天然矿石中硫化物的同构造再活化实验研究
17.
AN EXPERIMENTAL STUDY TO THE NATURAL THERMO LUMINESCENCE(TL) CHARACTERISTICS OF INDIVIDUAL MINERALS OF CARBONATE AND CARBONATE ROCK
碳酸盐矿物和碳酸盐岩天然热释光的实验研究
18.
A solid, dark-colored complex of hydrocarbons found in natural veins and deposits.
沥青岩天然矿脉和矿藏中的黑色固体碳氢化合物