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
- 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 quartz watch keeps good time.
石英表走时准。 - 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； - 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。 - 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。 - 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。 - 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； - 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。 - 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。