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Никель: түүх, шинж чанар, бүтэц, ашиглалт, эрсдэл
- Түүх
- Эрт дээр үе
- Нээлт ба үйлдвэрлэл
- Үл хөдлөх хөрөнгө
Ни, никелийн хүдрийн ашигт малтмалын шинжилгээ
https://WebДэлхийн царцдасыг бүрдүүлдэг гол элементүүдийн нэг бол никель юм. Аж үйлдвэрийн хувьсгалын ачаар никелийг янз бүрийн салбарт ашигладаг. Байгалийн …
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