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- Purifying quartz sand is the most difficult separation technic that eliminate the few and trace of impurities of quartz sand to produce high purity quartz. 石英砂提纯是除去石英砂中少量或微量杂质，获得精制石英砂或高纯石英砂的高难度分离技术。
- To introduce a number of polysilicon, wafer supporting projects, such as high purity quartz powder projects, cutting fluid, silicon carbide, cutting line, band saw into the zone. 二是引进一批硅料、硅片生产重要配套项目：如高纯度石英粉产业化项目、切割液、碳化硅、切割线、带锯等。
- It is more and more important for higher purity quartz which is looked as a strategically production to national economy. 高纯石英砂作为战略性产品,在国民经济中起到越来越重要的作用;
- Production Technique for Low Quality Quartz Sand and High Purity Quartz Sand 普通石英砂与高纯石英砂的生产技术研究
- high - purity quartz 高纯石英
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- Men and birds are fain of climbing high. 不论人还是鸟都愿意往高处攀。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- Goods of high quality are few and far between these days. 质地精美上乘的物品现在不多见。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- A high purity silica mending material with pure fused quartz as material for glass kiln has been developed. 以高纯熔融石英为主要原料研制了一种高纯硅质玻璃窑用热补料。
- I set a high value on his advice. 我认为他的忠告很有价值。
- Supply High Purity Germanium Bracelet. 供应高纯锗手链。
- Many competitors have entered for the high jump. 已有许多人报名参加跳高比赛。
- She enjoyed high prestige among the masses. 她在群众中享有很高威信。
- The dresses in the shop are priced high. 这家商店的衣服定价很高。
- The high salary reconciled me to living abroad. 我为获高薪也只好在国外生活。
- Trucks shuttled to and fro on the high ways. 车辆在高速公路上穿梭行驶。
- These rocks are awash at high tide. 这些礁石在涨潮时被海水淹没。
- This glittering green emerald is of high purity. 这个翡翠绿莹莹的，成色极好！
