| 释义 |
silicasil‧i‧ca /ˈsɪlɪkə/ noun [uncountable]   silicaOrigin: 1800-1900 Modern Latin, Latin silex ‘flint’ - Because the silica in andesite makes it thick and pasty, andesite tends to trap large amounts of gas.
- Indeed as pure silica it is the insulating element in the technology of silicon microchips.
- Quartz is a crystalline form of silica.
- The most commonly used rocks are those composed of silica, quartz, granite, slate, and other similarly stable materials.
- This is not a result of sampling bias on our part, as all known sites of geothermal silica deposits were sampled.
- This model remains today the best For simple glasses, such as silica, and many of the new amorphous semiconductors.
► Compoundsacetylene, nounammonia, nounbase, nounbromide, nouncarbolic acid, nouncarbon dioxide, nouncarbon monoxide, nounCFC, nounchloride, nounchlorofluorocarbon, nounchloroform, nouncompound, noundioxide, nounfluoride, nounfluorocarbon, nounHtwoO, nounhydrocarbon, nounhydrochloric acid, nounhydrogen peroxide, noun-ide, suffixmonosodium glutamate, nounMSG, nounnitrate, nounoxide, nounperoxide, nounphosgene, nounphosphate, nounpolymer, nounproduct, nounsilica, nounsilicone, nounsodium chloride, noun NOUN► gel· For example, ethanol can be separated from a liquid mixture of ethanol and water by shaking the mixture with silica gel.· The silica gel removes the water. ► glass· High-temperature gas cleaning techniques remove the water and metal ions which are a natural constituent of silica glass, and attenuate light.· Soda silica glasses are not very manageable, however. a chemical compound that exists naturally as sand, quartz, and flint, used in making glass |