3 Bituminous crude oil: Refers to crude oil extracted from bituminous minerals.
三沥青矿原油：指自沥青质矿物提出之原油。
The process or business of extracting ore or minerals from the ground.
采矿，矿业将矿石或矿物从土中提取出来的过程或行业
Study of inhibitory effect of Chinese nut-gall extraction to artificial dentine caries process
五倍子水提取物抑制人工牙本质龋矿物质溶出的实验研究
separate (a metal) from an ore.
从矿石中提炼出（金属）。
"Beneficiation [minerals]: Improvement of the grade of ore by milling, flotation, sintering, gravity concentration or other processes."
提炼 [矿物]:以碾磨、浮
The treatment of metal or the separation of metal from ores and ore concentrates by liquid processes, such as leaching, extraction, and precipitation.
水冶金术通过液体过程，象过滤，提炼，沉淀等方法处理金属，从矿石中或矿石浓缩物中分离出金属
Firstly, the author analysis the character and process of import ire ore logistics.
首先，本文对我国进口铁矿石物流的过程和特点进行分析，提出铁矿石供应链的概念。
Mineral Property of a Clay Mine in Fuxin and Primary Study on Its Refining;
阜新某粘土矿矿物属性及选矿提纯初步研究
iron ore in the form of ferrous carbonate.
以铁的碳酸盐矿物形式出现的铁矿。
It also occurred to me that if this was the case I might be able to extract this substance from the mineral by the ordinary methods of chemical analysis.
我突然想到，若真如此，我也许可以用普通的化学分析方法从矿物中将这种物质提取出来。
Bioextraction and Corrosion Electrochemistry of Sulfide Minerals;
硫化矿物生物提取及腐蚀电化学研究
Oplimization of Cutting Parameters and Improve Ore Mining Efficiency for Hydrogeological Water Mining
复杂大水矿山优化凿爆参数提高出矿效率
Ore dressing refers to the concentration of a raw ore. Dressing can separate the desired mineral from much of the associated gangue.
选矿就是精选生矿。通过选矿，有用矿物从伴随的脉石中分离出来。
To treat(an ore) with cyanide to extract gold or silver.
用氰化物提取用氰化物处理（矿石）提取金或银
a excavation in the earth from which ores and minerals are extracted.
在地面挖掘的可以提取矿石和矿物的洞。
Material, such as gravel or slag, from which metal is extracted in mining.
矿渣诸如砂砾或矿渣等物质，可从中提取金属
The Experimental Study on the Extracting Iron Material from a Molybdenum Flotation Tailing;
从浮钼尾矿中提取炼铁矿物材料的试验研究
Mineralization intensity of a placer gold source area is a geological parameter newly put forwardfor gold mineralization.
砂金矿源区金矿化强度()新提出来的一个金矿化地质参数.