Food fortifier "means any natural or artificial food additive belonging to the category of natural nutrients that is put into food to increase its nutritive value."

营养强化剂：指为增强营养成分而加入食品中的天然的或者人工合成的属于天然营养素范围的食品添加剂。

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SCP-ZrO2 (gem-grade zirconia) has high purity and is mainly used for making cubic zirconia crystal (artificial gems), and as additive for optical glass and fibre with high index of refraction.

具有高纯度，是制造立方氧化锆晶体(人造宝石)的主要原材料，也用作高折射光学玻璃和光学纤维的添加剂。

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Commonly used for cast iron carbon additive materials are: artificial graphite, calcined petro coke, nature graphite, coke, and as the mixture with these materials.

人造石墨、煅烧石油焦、天然石墨、焦炭、以及用这类材料配成的混合料。

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