quartz
英 [kwɔːts]
美 [kwɔːrts]
n. 石英
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.- ...a quartz crystal.
石英晶体
- ...a quartz crystal.
英英释义
noun
- a hard glossy mineral consisting of silicon dioxide in crystal form
- colorless glass made of almost pure silica
双语例句
- A granitic rock composed of quartz and mica.
一种由石英和云母构成的花岗石。 - 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。 - 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。 - 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。 - 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。 - 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； - 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。 - 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。 - 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。 - 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。