The rock of roraima , however , is mostly silicate , which is also found on mars .
而罗赖马洞穴的石头却主要是硅酸盐,火星上发现的也是硅酸盐。
But there are also smaller amounts of the other elements found in silicate rock , such as magnesium , aluminum , calcium and iron .
但是在硅酸盐中也发现了少量其它元素比如镁、铝、钙和铁。
The waves of damp and dry conditions suggest water is created on the moon every day , when hydrogen nuclei in the solar wind slam into oxygen-rich silicate minerals on the moon 's surface .
One question that has baffled planetary scientists is how oceans formed on the surface of terrestrial planets like earth -- rocky planets made of silicate and metals .
一个困扰着行星科学家的问题是:海洋是怎样在像地球这样由硅酸盐和金属组成的石质行星的表面形成的?
Phytoplankton , like land plants , require nutrients such as nitrate , phosphate , silicate , and calcium at various levels depending on the species .
浮游植物与陆地植物一样,根据不同种类需要各级的硝酸盐、磷酸盐、硅酸盐以及钙等营养物质。
After pulling off the ices , the gravity of saturn would have doomed the moon 's silicate core , tugging it closer and closer until it smashed into the planet , the simulation shows .
Silicon is the second most plentiful element of the earth 's crust after oxygen . It is commonly found in the combinations with silica and silicate . Pure silicon is used in various semiconductor devices and metallurgy .