查询词典 uranium ore

Studies on petrochemistry , geochronology of diagenetic and ore formation, mineralization and ore assessment of Baogutu porphyry copper deposit were done.

本论文分别从矿床地质、岩石化学、成岩成矿年代、成矿作用等方面对包古图斑岩铜矿床做了系统研究。

The results showed that Weipa ore is gibbsite and its leaching efficiency is high when digested at higher than 200 ℃,so applicable to sweetening ore in digestion process,under conditions that the sweetening process is controlled in the range of 195～200 ℃ for 15～20 min and the dosage of Weipa .

对澳大利亚韦帕矿的溶出性能及以韦帕矿为后加矿的增溶溶出技术进行了实验研究。考察了增溶温度，增溶时间，后加矿加入量对溶出效果的影响，同时对后加矿增溶溶出的矿浆性能进行了对比性研究。结果表明：韦帕矿为三水铝石矿，在200℃以上溶出时，浸出率较高，适宜作为增溶溶出过程的后加矿。以韦帕矿为后加矿，其适宜的增溶溶出条件为：增溶温度195~200℃，增溶时间15~20 min，后加矿的质量分数为15%~20%。后加矿增溶溶出矿浆具有优良的沉降压缩性能

To probe the ore-controlling factor s and origin of Jinshan Gold Deposit,on the basis of studying the geological background of minerallization,by adopting the comprehensive geological and geochemical method,this paper analyzes the strata,structure,magmatic rock,ore-body character,stable isotop,temperature,pressure and flouid of minerallization and trace elements in the mining area.

为了研究金山金矿的控矿因素及矿床成因，在研究成矿地质背景的基础上，结合野外地质及前人研究成果，采用地质、地球化学综合分析的方法，对矿区内地层、构造、岩浆岩、矿体特征、稳定同位素、成矿温度压力、成矿流体及微量元素特征进行了剖析。

To probe the ore-controlling factors and origin of Jinshan Gold Deposit,on the basis of studying the geological background of minerallization,by adopting the comprehensive geological and geochemical method,this paper analyzes the strata,structure,magmatic rock,ore-body character,stable isotop,temperature,pressure and flouid of minerallization and trace elements in the mining area.

为了研究金山金矿的控矿因素及矿床成因，在研究成矿地质背景的基础上，结合野外地质及前人研究成果，采用地质、地球化学综合分析的方法，对矿区内地层、构造、岩浆岩、矿体特征、稳定同位素、成矿温度压力、成矿流体及微量元素特征进行了剖析。

Mine is too ancient geological ore mixed granite and granite porphyry, ores major components of SiO2, accounting for 76.54%, Al2O312.56%, Qianhui, the fine-grained gray granite block change crystal structure, long-ramp of 27 -- 36 percent, longer-35-42 percent, 20-29 percent quartz, rock weighing 2.6 T/m3, hardness of 5.9-6.3 degrees, the porosity of 0.62-1.03 percent, compressive 1670-1931 kg/cm2, bending 141-167 kg / cm2, ore reserves 2000 investigation Grade D geological reserves 10.02 million cubic meters, designed for the use of reserves of 7.99 million cubic meters; mining area of 0.4 cubic kilometres, the highest elevation of 151 meters, the minimum 56 meters, hilly slope, with perennial Shuixi, More sparse vegetation.

矿山地质矿体属太古代混合花岗岩及花岗斑岩，矿石主要成分SiO2，占76.54%，Al2O312.56%，浅灰，灰白色的细粒花岗变晶块状构造，斜长石含量27-36%，更长石35-42%，石英20-29%，岩石体重2.6T/m3，硬度5.9-6.3度，孔隙度0.62-1.03%，抗压1670-1931kg/cm2，抗折141-167kg/cm2，矿石储量2000勘测D级地质储量1002万立方米，设计利用储量为799万立方米；矿区面积0.4立方千米，最高海拔为151米，最低56米，丘陵缓坡，无常年水溪，植被较稀疏。

Through the geological work of Baxiannao area,we find that the area contains fracture zone compound type of quartz vein,the belt type of rock in thin vein,the belt type of greisen quartz in thin vein and some other kinds of the same stuff with multitype which are wolframite and cassiterite ore deposit polymetallic ore.

通过对八仙脑矿区的地质工作，发现本区存在破碎带-石英脉复合型、石英细脉带型、云英岩-石英细脉带型等一体多型钨锡多金属矿床类型，本文对其地质特征进行了较为详细的论述，总结了区内各钨锡多金属矿床类型找矿评价的工作方法。

Data of major andminor elements in magnetite, cassiterite, galena and sphalerite from oredeposits within this ore belt suggest that these ore deposits are of skarn,hydrothermal, porphyry and greisen types related to Yanshanian magmaticactivity and that iron in ores came from regional Permian marine interme-diate-basic volcanic rocks whereas partial lead and zinc from Permian geo-synclinic sediments.

矿带中各矿床的磁铁矿、锡石、方铅矿、闪锌矿的主元素和微量元素数据表明，这些矿床是属与燕山期岩浆活动有关的矽卡岩型、热液型、斑岩型和云英岩型矿床；其成矿金属组分中的铁来源于区域晚古生代海相中-基性火山岩，部分铅锌来源于区域二叠纪地槽沉积物。

Our investigation shows that neither the dioritic porphyry nor the sedimentary rock is the source of iron ores, and that the source of most ironrich orebodies is the ore magmahydrothermal system in the deep chamber. Ore magma which was formed by liquid immiscibility is the main source of Gushan deposit, and the residual ironrich hydrothermal fluids which occurred as NaFeCl complex is the main source of Baixiangshan deposit.

根据野外观察和地球化学研究，文中认为，闪长玢岩岩体和沉积围岩均不是铁质的主要来源，富铁矿体的成因主要来自矿田深部的矿浆热液系统，姑山式铁矿的铁质主要是液态不混溶作用形成的铁矿浆，白象山式铁矿的铁质主要来源于深部残浆分离出的NaFeCl络合物。

Iron ore: CISA said yesterday: 1 China won't make concessions; 2 China is ready for the breakdown of the price negotiation; 3 MoC and CISA will start a joint investigation on domestic trading of imported iron ore, and will cancel the import rights of incompliant traders, no matter whether they buy it at contracted or spot prices.

铁矿石：中国钢铁工业协会昨日表示：1）中方绝不会做出让步；2）中国对铁矿石价格谈崩已有准备；3）商务部和中钢协将联合调查铁矿石在国内的交易情况，将取消违规倒卖铁矿石的贸易商的进口资质，不管他们使用协议价还是市场价购买的铁矿石。

This paper introduces the ore drawing process with the natural caving method and the characteristics of each stage, expounds the flow of the ore drawing management with the natural caving method , and probes into some measures that should be adopted in the special condition to reduce the interfusion of waste rock.

介绍了自然崩落法的放矿过程及各阶段的特点，阐述了自然崩落法放矿管理流程，探讨了在特殊条件下应采取的特殊措施，以减少废石的混入。

Panorama Many people are dancing in a large sitting room.

在一个大客厅里，许多人在跳舞。

We fully understand how a microwave oven cooks food, it is first necessary to talk ...

我们充分理解一个微波炉煮的食物，这是首先要谈。。。