石英的

Characterzation:high quality quartz bulb,biplanar filament which enables increased illumination,uniform color temperature and luminous flux.

优质石英泡壳，卓越双排丝结构，独特装置，亮度更高，使用更安全。

The results show that the imitated chicken-blood stone is mainly composed of sheridanite and a bit of quartz.

研究结果表明,这种仿鸡血石主要矿物组成为透绿泥石,含有少量石英。

During heating,phase transformation and expansibility of the new quartz sands and the calcined Quartz sands from two places were determined by DSC and thermodilatometry.

本研究用DSC和热膨胀仪对两种石英砂原砂和焙烧砂在加热过程中相变和热膨胀行了分析。

This paper deals with the causes and localization of tridymite stone by means of petro-graphic analysis of bricks laid at different site of furnace while cold repair .

对冷修熔窑各部位行岩相分析,结合生产实际情况,判断鳞石英产生原因及产生部位。