quartzite

Study on alteration minerals in secondary quartzite type of non-metallic deposits

次生石英岩型非金属矿床蚀变建造的矿物学研究

Further research on secondary quartzite type of non-metallic deposits

再论次生石英岩型非金属矿床

The cardium sandstone is lithic , being composed of grains of chert , quartz , quartzite , silicified argillite , and other rock fragments .

卡迪砂岩是岩屑砂岩，由燧石，石英、石英岩、硅化泥板岩和其它岩石碎屑颗粒所组成。

Wuqiangxi quartzite aggregate processing plant is the largest aggregate processing system in china .

五强溪水电站石英岩人工砂石骨料加工厂是我国最大的人工骨料加工系统。

A drill core spectral logging study in a magnetite - quartzite type iron deposit

磁铁石英岩型铁矿岩芯光谱编录研究

Static and dynamic absorption of nourishment used in microbial enhanced oil recovery on quartzite sand

微生物采油用营养物质在石英砂上的静态和动态吸附规律

Attrition experiment and gray relational analysis of quartzite particles as medium material in fluidized bed

石英砂流化床床料的磨损实验与灰色关联分析

Study on Purifying Quartzite by Mineral Processing

石英砂选矿提纯工艺研究

Analysis on Physical Characteristics and Economic Benefit of Reclaimed Land in Glass Used Quartzite Mining Area in Shahe City

沙河市玻璃用石英岩矿区复垦土地物理特征及经济效益分析

Study on Testing Method for Getting Rid of Iron from Quartzite Deposit in Rizhao of Shandong Province

山东省日照石英岩矿除铁试验方法简介

The impact - corrosion - abrasion behavior of the steel used in liners in quartzite slurry

衬板用钢在石英砂介质中的冲击腐蚀磨损行为

Microwave Synthesis of SiC Powders with Coke and Quartzite

微波加热焦碳与石英砂合成SiC粉体

( of glass or quartzite ) marred by small bubbles or small particles of foreign material .

（指玻璃或者石英岩）被小气泡或者异质材料的小微粒所损害。

Low temperature geochemical process of diwa stage and silicified ROCK-METASOMATIC quartzite , southern China

华南地洼阶段低温地球化学作用与硅化岩-交代石英岩

It decreases in order of grinding quartzite , iron ore and phosphate ore under nitrogen flushing condition .

充氮气时研磨石英岩、铁矿石和磷灰石矿，钢球的磨损率依次减小。

A huge quartzite block had an engraving of a pharaoh .

一块巨大的石灰岩上雕刻着法老的脸孔。

Design of Multipli-station Drawing Progressive Die for Quartzite Shell

石英管外壳多工位拉伸级进模设计

The rocks in the reservoir are mainly lithic quartzite sandstone and quartz sandstone .

储层的岩石类型主要是岩屑石英砂岩及石英砂岩。

To develop a regime of reverse anionic flotation for ferruginous quartzite under conditions of using circulating wafer

制定在使用循环水条件下氧化含铁石英岩阴离子反浮选的制度

Varieties and suits of ore deposits of the nonmetallic ore series related to secondary quartzite and Their Ore-forming features

次生石英岩容矿型非金属矿床系列的矿种、组合及其成矿作用特征

The aesthetic value represented by the Wulingyuan quartzite sandstone hills is the core of Zhangjiajie tourism resources .

以武陵源石英砂岩峰林地貌为代表的美学价值是张家界旅游资源的核心。

Quartzite at the bottom of the second formation of the Langshan Group is the result of silicification .

狼山群第2岩组底部的石英岩是硅化作用的产物。

Discussions on One-Forming Geological Conditions and Genesis of Secondary Quartzite Andalusite Deposits in Southeastern Zhejiang

浙东南地区次生石英岩型红柱石成矿地质特征及矿床成因初探

They are chiefly made of quartzite pebbles .

石制品主要以石英岩砾石为原料。

We 're able to provide granite , marble , slate , sandstone , quartzite , li .

我们能够提供花岗岩，大理石，板岩，砂岩，石英岩，李。

The dyes used are often vegetable or mineral origin - and therefore natural - like poppy , saffron and quartzite .

染料大都来源于天然的植物和矿物，比如罂粟、藏红花和石英岩。

Some SEM microtextures of quartzite from stick-slip and steady state slip experiments and their seismogeological significance

粘滑和稳滑实验条件下石英岩的某些显微形貌特征及其地震地质意义

A laboratory experiment which deals with electromagnetic emission induced by fractures of the samples of limestone , granite and quartzite is presented .

在单轴压力下对灰岩、花岗岩、石英岩三种样品的破裂过程与电磁辐射进行了实验室试验。

Referring to some problems in industrial devices , the attrition of quartzite particles at various operational parameters in a hot fluidized bed was investigated .

针对工业装置运行中的实际问题，在综合热态流化床实验台上研究了不同运行参数下石英砂的磨损规律。

The black microlitic quartzite in deposit No. 320 has specific petrological features and assemblage of microelements .

320矿床微晶石英硅质岩具独特的岩石学特征和特定的微量元素组合；