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..
чулуу бутлуур хром нунтаглах бөмбөг олборлох үйл явц. чоно нунтаглах тоног төхөөрөмж. Blacksmith Rolling Mill Machine . blacksmith rolling mill machine - gateclasses. In metalworking, rolling is a metal forming process in which metal stock is passed through oneMost steel ...
бөмбөг тээрэмдэх үйл явц. чулуу бутлуурын тээрмийн үйл явц. iso гэрчилгээ нь тээрмийн - nagelfee . About us ISO. ISO is an independent non-governmental international organization with a membership of 160 national standards bodies Through its members it brings together experts ...