si 4造句

例句与造句

1. Hydrogrossular is a garnet variety in which a Si 4 + is missing from a tetrahedral site.
2. The metal reacts with the silica gel in an exothermic reaction in which Na 4 Si 4 nanoparticles are formed.
3. The same happens in ruizite, except that they are linked by the [ Si 4 O 13 ] group.
4. The base unit of silicate minerals is the silica tetrahedron  one Si 4 + surrounded by four O 2 ".
5. In addition limited solid solution with calcium exists between these and lisetite : CaNa 2 Al 4 Si 4 O 16.
6. It's difficult to find si 4 in a sentence. 用si 4造句挺难的
7. Banalsite and its strontium analogue, stronalsite ( SrNa 2 Al 4 Si 4 O 16 ), constitute a complete solid solution series.
8. Under low-grade metamorphic conditions, kaolinite reacts with quartz to form pyrophyllite ( Al 2 Si 4 O 10 ( OH ) 2 ):
9. Several silicon Zintl ions ( Si 4 4 " Si 9 4 ", Si 5 2 " ) are known with group 1 counter ions.
10. "' Pyrophyllite "'is a phyllosilicate mineral composed of aluminium silicate hydroxide : Al 2 Si 4 O 10 ( OH ) 2.
11. In the feldspars, Al 3 + substitutes for Si 4 +, which creates a charge imbalance that must be accounted for by the addition of cations.
12. A common example of chemical substitution is that of Si 4 + by Al 3 +, which are close in charge, size, and abundance in the crust.
13. The sodalite family of minerals has a tetrahedral framework structure, with highly charged cations such as Al 3 + or Si 4 + connecting through a common O 2 ".
14. Since silicon and aluminium have a different charge ( Si 4 + and Al 3 + ) the ions occupying the sodium / calcium site have to adjust to maintain charge balance.
15. Some elements can play multiple roles; e . g . lead can act both as a network former ( Pb 4 + replacing Si 4 + ), or as a modifier.
16. The second substitution occurs between Na + and Ca 2 +; however, the difference in charge has to accounted for by making a second substitution of Si 4 + by Al 3 +.
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