镍是一种稀有金属元素，也是动植物和人的必需营养微量元素。
Nickel is one of the rare metals, and it is indispensable to plant, animal and human beings.
还对稀有金属有高度富集作用，这主要归功于F、B、P等挥发份对稀有金属元素的亲和力。
Furthermore, the immiscibility can enrich rare elements to high level, which owe to the affinity of volatile like f, b, P, etc to rare elements.
通过引入一些稀土和稀有金属元素制备出了符合标准ZBY24004 - 89 要求的玻璃金水。
The liquid gold used in gecoration of glass articles was preparated, and come up to the standard ZBY24004-89, through introducing rare-earth elements and rare elements.
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