quartz

英 [kwɔːts]

美 [kwɔːrts]

n.  石英

CET6考研TOEFLIELTSTEM8化学

BNC.13134 / COCA.16587

牛津词典

noun

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

柯林斯词典

• N-UNCOUNT 石英
  Quartzis 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

英英释义

noun

• a hard glossy mineral consisting of silicon dioxide in crystal form
• colorless glass made of almost pure silica
  Synonym:quartz glassvitreous silicalechatelieritecrystal

双语例句

• He gives the counter-example of a quartz crystal.
  他给出了一个石英晶体的反例。
• 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；
• 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；
• 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。
• 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。
• 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。
• 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。
• 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。
• 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；
• 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。