在一般的煤的样板中，石英和其他矿物质的含量是相当低的。
In normal coal samples, quartz and other minerals are found only in trace amounts.
超细石英粉经热压成型(HP)制成红外陶瓷材料，工艺简单，原料成本低。
Infrared ceramics material is prepared using HP ultrafine quartz powder in a simple process and at low cost.
石英纤维增强双马来酰亚胺树脂复合材料具有低介电损耗、耐高温、耐湿热及良好的力学性能。
Quartz fibre strengthen Bis maleimide BMI composite material have low to dielectric loss angle, able to bear high temperature, damp and hot, good mechanics performance.
试验表明改性粉石英填充pe薄膜，具有较好的工艺性能，薄膜力学性能优良，生产成本低。
The active Powder quartz fill in PE film have better machining and mechanics capability and produce cost be low.
考虑到材质本身的低维护性，室内材质选择了石英和胡桃木胶合板。
Interior materials include quartz and walnut plywood, chosen for their low maintenance characteristics.
目前对超高压岩石中石英的变形以及在差应力条件下石英-柯石英的相变研究程度低。
Up to now there has been few studies on deformation of quartz in ultra-high rocks and quartz-coesite phase transition at differential stress.
生产实践证明，采用该工艺从石英脉一千枚岩型低硫含金矿石中回收黄金是非常有效的。
The practice has shown that this technology is very effective to recover the gold from quartz-phyllite type gold-bearing ore with low sulfur.
在乌拉嘎金矿区的张才沟靶区获得低阻高极化和高阻高极化异常，可望找到含金石英脉及含矿破碎带。
The abnormity has been gained with low resistance and high polarization in Zhangcaigou target of Wulaga gold diggings, and it is hoped that the gold bearing veins and belts could be finded.
低变质煤煤系石英脉一般不发育。
Generally quartz veins are not developed in measures with low rank coal.
制作所述石英晶体谐振器的方法，制作简捷、制造成本低。
The method for manufacturing the quartz crystal resonator has the advantages of simple manufacture and low manufacturing cost.
针对长石质瓷烧成过程石英溶解速度低的特点，提出了计算残余石英量的实用公式。
In view of the characteristics that the dissolving temperature of quartz is low in the firing process of feldspar ceramics, the paper advances the practical formula to calculate the residue quartz.
放牛山石英岩系为经低绿片岩相变质的粗陆源碎屑岩。顶、底界线清晰，与下伏太古宙变质花岗岩系及上覆中元古界熊耳群均呈角度不整合接触。
Fangniushan quartzite series consist of coarse terrigenous clastic rock which has been suffered the metamorphism of low green schist facies, contact lines of its top and base are distinct.
放牛山石英岩系为经低绿片岩相变质的粗陆源碎屑岩。顶、底界线清晰，与下伏太古宙变质花岗岩系及上覆中元古界熊耳群均呈角度不整合接触。
Fangniushan quartzite series consist of coarse terrigenous clastic rock which has been suffered the metamorphism of low green schist facies, contact lines of its top and base are distinct.
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