essential mineral是什么意思

网络释义

用法例句

An unknown mineral has been reported in this paper.

本文旨在报道一个尚未定名的未知矿物。

Scanning electron microscopy and energy dispersive spectrum analysis of the ore minerals from the Liwu copper deposit,Jiulong,Sichuan

四川九龙里伍铜矿主要矿石矿物扫描电镜能谱分析

In this paper, the types and distribution of ores and the stages of mineralization are summarized, the composition and evolution of different types of ore minerals in time and three-dimensional space are emphatically studied and, on such a basis, the influence of the physical chemistry of fluids upon the composition is pointed out.

文章总结和划分了矿床的矿石类型、矿化阶段及其在空间上的分布 ;对不同阶段、不同地段和不同类型的黄铁矿类、毒砂、黄铜矿、闪锌矿、方铅矿和锡石等 6种主要矿石矿物进行了电子探针微区分析。

This paper discusses the possible relationship between ore mineral′s magnetic characteristic and gold enrichment.

作者认为矿石矿物的磁性特征与金富集可能有成因上的联系 :(1)黄铁矿与磁黄铁矿、黄铜矿和方铅矿等相比 ,以极微弱的反铁磁性 ,不易受微弱外电和磁场的影响 ,在电性和晶体结构方面更具稳定性等特征 ,且易吸附纳米级金粒 ;(2 )压力可使矿石矿物出现压磁效应 ,矿石矿物磁性矢量产生各向异性 ,金粒易在磁矢量加大方向发生富集 ;(3)颗粒细小、受多次压力作用、温度接近居里点等因素都能使矿石矿物的磁性加强 ,形成金富集的有利条件。

The useful ore mineral is barite and the gangue minerals are mainly calcite, clay mineral and quartz et al.

矿石矿物为重晶石，脉石矿物主要有方解石、粘土矿物和石英等。

The ore minerals are bounded by the vein walls.

矿石矿物局限于矿脉之内。

The main mineral composition of the ore is zinc blende and lead glance.

矿石矿物成份主要为闪锌矿,次为方铅矿。

Mineralogical properties of iron ore from Tongshan deposit in Liguo mining area

江苏利国矿区峒山铁矿床矿石矿物特征

Shiyingtan Gold Ore Mineralogy and Gold Mineral Characteristic in Shanshan Xinjiang

新疆鄯善县石英滩金矿石矿物学和金矿物特征

In all hydrothermal deposits the minerals formed are not solely the sulfide ore minerals.

在所有热液矿床中，所形成的矿物并不单单是硫化物矿石矿物。

To dig a mine in(the earth) to obtain ore or minerals.

开矿在（地下）开矿以获得矿石或矿物

An excavation in the earth from which ore or minerals can be extracted.

矿，矿井采掘矿石或矿物的地下坑道

FELDSPAR-THE MOST COMMON GEM MINERAL IN ROCK-FORMING MINERALS

长石—造岩矿物中最常见的宝石矿物

To excavate the earth for the purpose of extracting ore or minerals.

开矿，采矿为开采矿石或矿物而挖掘土地

Rocks and minerals are inorganic.

岩石和矿物都是无机物.

a mineral (iron-nickel sulphide) that is the chief ore of nickel.

一种矿物（铁镍硫化物），是镍的主要矿石。

a mineral or mineral variety belonging to the amphibole group.

属于闪石族的矿物或矿物种类。

Worthless rock or other material in which valuable minerals are found.

矿物杂质，尾矿在其中找到有价值的矿石的无价值岩石或其它矿产

A tentative discussion on ore-forming material sources and mineralization of the Shihu gold deposit in western Hebei Province

冀西石湖金矿成矿物质来源及成矿作用探讨

Evaluation of Process Mineralogy of Milling Ores from Deep Ore Body of Xitieshan Lead-zinc Mine

锡铁山铅锌矿深部矿石工艺矿物学评价

a green mineral used as an ore of copper and for making ornamental objects.

一种绿色的矿物，用作铜矿石和装饰品。

To extract(ore or minerals) from the earth.

采掘从地下采掘（矿石或矿物）