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FINAL B.D.S., Examinations held in NOVEMBER/DECEMBER 2021. First Proffessional BUMS (RR) Examinations Results March - 2021 held in September-2021. Second Proffessional BUMS (NS) Examinations Results March - 2021 held in September-2021. Second Proffessional BUMS (RR) Examinations Results March - 2021 held in September-2021.
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Дээд зэргийн цэвэр металл гарган авах Дээрх аргууд дээд зэргийн цэвэр металл гаргахад дутагдалтай юм. Шинжлэх ухаан-техникийн дэвшлийн эрин үед дээд зэргийн цэвэр металл гарган авах шаардлага тавигдаж байна. Зууны буюу мянганы хувийн өчүүхэн хольц нь металлын химийн болон механик шинж чанар, хайлах, буцлах температур зэрэгт асар …
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