Though most rocks are elementally similar, they are mineralogically and texturally diverse . 虽然大多数岩石在元素成分方面是近似的,但它们在矿物成分和结构上却是各不相同。
At the forks , they are somewhat thicker ,其矿物成分为方解石。
Using mineral - based makeup would also help to prevent acne production , as these are non - comedogenic products 使用矿物成分化妆品也避免粉刺的产生,因为这类型的产品不会阻塞毛孔。
The mineral elements from the soil that are usable by the plant must be dissolved in the soil solution before they can be taken into the root 土壤中可供植物利用的矿物成分,必须溶解在土壤中才能被根部吸收。
Using the x - ray powder diffraction , the electronic probe , etc , the mineral compositions and chemical compositions of the nephrite are analyzed 利用x射线粉晶衍射、电子探针等测试手段,对软玉的矿物成分、化学成分进行了研究分析。