These tiny grains contain things like silicates, aluminum oxide, and calcium.

这些微小的颗粒含有硅酸盐、氧化铝和钙等物质。

Fluoride as an additive to water is usually in the form of liquid fluorosilicic acid.

作为水添加剂的氟化物通常以液态氟硅酸的形式存。

And we're spreading about 30,000 tons of silicate rock every month now.

而我们现月都要播撒大约3万吨的硅酸盐岩。

And as a polishing agent in toothpaste. It's everywhere!

硅酸盐还能作为牙膏里的上光剂——哪都有它！

Three dimensional silicates can take lots of shapes, too.

三维硅酸盐也有许多结。

It looks this way because the planet's atmosphere is made up primarily of silicate particles.

如此外观，得益于行星表面的大气层，主要成物质为硅酸盐颗粒。

Some kind of silicate in the atmosphere.

大气中有某种硅酸盐。

Borosilicate and silica are the most abundant minerals surrounding the water.

硼硅酸盐和二氧化硅是水周围最丰富的矿物质。

After the impact, the infant planet's silicate ice core merged with Jupiter's, causing Jupiter's core to become diluted.

撞击后，新生行星的硅酸盐木星的硅酸盐融合，导致木星的心变得稀疏。

Borosilicate glass is also being used for astronomical instruments because the material is not affected by temperature changes.

由于不受温度变化影响，硼硅酸盐玻璃还被用于制作天文器材。

Normal concrete is bound with Portland cement, which is made by roasting a mixture that includes limestone (calcium carbonate).

普通的混凝土硅酸盐水泥结合一起，硅酸盐水泥是通过焙烧含有石灰石的（碳酸钙）混合物制成。

After a lot of experimentation, we now know that the chemical name of Egyptian blue is calcium copper tetrasilicate.

经过多次试验后，我们现知道了埃及蓝的化学名称是四硅酸盐钙铜。

Silica and borosilicate, they are the most abundant minerals surrounding the water.”

水周围最丰富的物质就是二氧化硅和硼硅酸盐。”

9 billion years ago, the Earth cooled, forming a thick silicate crust over its mantle, an iron and nickel core.

39亿年前地球开始冷却，形成坚硬的硅酸盐外壳覆盖铁镍内之外。

Martian samples found deposits of minerals very similar to those in Spotted Lake, including magnesium and sodium salts and silicates.

火星样本中发现的矿物质斑点湖中的非常相似，包括镁盐、钠盐和硅酸盐。

It's believed that one such planet was 10 times the mass of Earth, and it was mainly a silicate ice core.

据信其中一颗行星的质量是地球的10倍，它主要是硅酸盐。

Then they add a silica precursor to the mix.

然后他们向混合物中加入硅酸盐前驱体。

They're made of silica or SiO2 in chemistry language.

它们由硅酸或化学语言中的SiO2组成。

Diatomaceous earth, a white silicate powder, can kill the bugs by desiccating them.

硅藻土是一种白色硅酸盐粉末，可以通过干燥来杀死昆虫。

Like many plants, tea leaves contain tiny, hard crystals called phytoliths made of calcium oxalate.

像许多植物一样，茶叶中含有由草酸钙成的微小硬质晶体，称为植物硅酸体。