quartz

noun

1. 石英
   a hard mineral, often in crystal form, that is used to make very accurate clocks and watches

1. N-UNCOUNT 石英
   Quartz is a mineral in the form of a hard, shiny crystal. It is used in making electronic equipment and very accurate watches and clocks.
   1. ...a quartz crystal.
      石英晶体

1. Quartz timepieces are very accurate, to a minute or two per year.
   石英钟表走时非常准，年误差仅为一两分钟。
2. The quartz watch keeps good time.
   石英表走时准。
3. To this class of substance belong mica, porcelain, quartz, glass, wood, etc.
   属于这类物质的有云母、瓷器、石英、玻璃、木材等等。
4. Today, quartz crystal clocks are generally used on the seismograph stations.
   目前，地震台站一般采用石英晶体钟。
5. The prospectors have discovered such minerals as calcite, quartz and asbestos here.
   探矿人员在这里发现了方解石、石英、石棉等矿藏。
6. 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。
7. The flotation research of mixture of quartz and ironstone also indicate that rhamnolipid can effectively improve separation efficiency.
   对石英和磁铁矿的混合矿样进行浮选实验亦表明，鼠李糖脂可有效提高分选率。
8. The structures of chiral quartz and copper helices are analysized.
   对手征性石英和螺旋铜丝的结构进行了分析研究。
9. Ornaments such as rings, some slotted, were also made from quartz and other suitable stones.
   这时期也发现用石英和其他适用的石料制成的饰物，例如大小不一的石环和石玦；
10. Abstract: Influence of granularity distribution of quartz refractory aggregate on permeability and viscosity of EPC coating was investigated.
    文摘：研究了石英粉耐火骨料的粒度分布对消失模铸造涂料的透气性和粘度的影响。
11. In this paper, the depolarization mechanism of a monochromatic light crystalline quartz depolarizer is studied.
    研究了单色光石英退偏器的退偏机理；定义了退偏度作为衡量退偏器性能的物理量。
12. A granitic rock composed of quartz and mica.
    一种由石英和云母构成的花岗石。
13. The principle of the quartz crystal deposition monitor technology in the optical film deposition process is discussed.
    讨论了石英晶体监控法在光学薄膜镀制过程中的应用原理。
14. The developing status of quartz crystal in China is reported in this paper.
    本文介绍了我国石英晶体发展的现状。
15. They also visited a quartz crystal cave and a salt crystal cave to study the properties of crystal surfaces.
    他们也用了一个石英晶体岩洞和一个盐制的晶体岩洞来研究晶体表面的特性。
16. He gives the counter-example of a quartz crystal.
    他给出了一个石英晶体的反例。
17. Locally dolomite and anhydrite are important as cements, together with minor authigenic quartz.
    在局部地方白云石和硬石膏也是重要的胶结物；还有少量自生石英。
18. The Possibility of replacement of feldspa and quartz by feldspa-quartzose stone was studied in glazed tile production.
    在釉面砖生产中研究了用长石石英岩替代长石和石英的可能性。
19. Compared with the porcelain granule with a same grain diameter, gravel and quartz sand can be cleaned easily.
    与相同粒径的陶粒相比较，砾石和石英砂易于冲洗干净；
20. The application of quartz ceramics roll in silicon steel continuous annealing furnace was introduced.
    本文介绍了石英陶瓷辊在硅钢连续退火炉中的应用情况。
21. The quartz tube inserted into the furnace that becomes the process chamber for diffusion and oxidation.
    插入到炉子中的石英管，作为扩散和氧化的处理腔。
22. Sludge reduction performance by earthworm biofilters using quartz sand and ceramsite as media was compared.
    比较了石英砂和陶粒滤料蚯蚓生物滤池的污泥减量化效果。
23. Holes fillings are mainly dolomite, calcite, a small amounts of quartz, gypsum and kaolinite.
    孔洞充填物主要为白云石、方解石以及少量的石英、石膏和高岭石；
24. The principles, construction and oscillator circuit of a quartz crystal viscosity sensor are described.
    介绍了石英晶体粘度传感器的原理、构及振荡电路组成。
25. A mill for stamping quartz.
    一个冲压石英对它进行加工的工厂。
26. Quartz Crystal Microbalance ( QCM) was also used to measure the transferred colloidal quantity for Ag nanoparticles.
    并用石英晶体微天平（QCM）宣检测了银纳料粒子的相转移量。
27. The load performance of quartz optical fiber, plastic optical fiber and special liquid core optical fiber was tested.
    通过承载性能实验，测试了石英光纤、塑料光纤和特种液芯光纤的承载性能。
28. Quartz is a stone commonly found in the Gold country when looking for gold.
    石英石是一种常见于我国的黄金时，寻找黄金。
29. This paper discussed the structural principle and property of digit piezoelectric quartz posture sensor.
    叙述了数学式压电石英姿态传感器的结构原理与性能。
30. They are mainly composed of diopside, calcite and quartz.
    矿石主要由透辉石、方解石和石英等组成。

noun

1. a hard glossy mineral consisting of silicon dioxide in crystal form

2. colorless glass made of almost pure silica

   Synonym:    quartz glassvitreous silicalechatelieritecrystal