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Спираль ангилагчаар дамжуулан хүдрийн хольцын шингэнд тунах хурд, хатуу ширхэгийн жингийн зөрүүгээр ялган ангилна. Дараа нь сэгсрэгч машин болон сэгсрэх ширээ ашиглан материалыг угааж ялгаад нарийн ширхэгтэй хүдрийн нунтгийг ялгахын тулд спираль сав руу зөөж, шигшүүрээр оруулаад флотацийн эсвэл соронзон тусгаарлагч руу оруулж …
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Баяжмал дах тетраэдрит ба бусад дагалдах эрдсүүдийг калийн бихромат, хүхрийн хүчлийн холимгоор уусгаж авах нөхцөл болон уусгалтын хатуу үлдэгдэлд дан хүхэр ба хүдрийн бус эрдсүүд агуулагдаж буйг судлан тогтоосон. -Сонирхуулах үүднээс асууж байна л даа. Калийн бихроматыг хүний эрүүл мэндэд хортой урвалж гэж яригддаг.
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