Өмнөд Африкт нүүрс олборлох үйл ажиллагаа ppt. Хайрга үйлдвэрлэх үйл явц pdf. Чулуу бутлуур in Mongolia refers to the inland dry land south of 46N and north of 44N and west of 106E including the Hexi Corridor in Gansu Province and the area west of .
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 ...