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..
2019-9-10 · Учир нь манай уул уурхайн бүтээгдэхүүний гол хэрэглэгч бол Хятад улс гэвч тус улс энэ онд нүүрсний импортоо хумихаар болжээ. +++++SEP+++++ The main consumer of our mining products is China, but the country is cutting its coal imports this year.