Second, it is successful to try applying the drippingmethod of suspended cells obtained by enzyme treatment instead of traditional method for pachytene chromosomes preparation.
This article introduces all kind of control method of pulse melting pole in gas protection welding, and divided them into two kind: parameter control and melt dripping transition accurate control.
The study was carried out with the method of diluting and dripping to make qualitative and quantitative detection on 10 kinds of normal microbial flora from 30 cattle mammary gland.