Алтны үйл явцын бутлуур. цагаан алтны уурхайн үйл явц гэж юу вэ. Монгол. The polymerase chain reaction (PCR) is a biochemical technology in molecular biology to amplify a single or a few copies of a piece of DNA across several orders of magnitude, generating thousands to millions of copies of a particular DNA sequence..
laterite бутлах үйл явц ilmenite элс олборлох үйл явц. ilmenite элс олборлох үйл явц Ilmenite | FeH6O3Ti - PubChem A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a