The brewing characteristics of three kinds of beer yeasts commonly used in the market were compared and studied.The results showed that the three kinds of yeast
This study was conducted to screen and breed Azolla varieties with strong resistance.Four Azolla samples(CD,XT,HY,YZ)were collected from Hunan Province,and the
Monthly changes in the resin yield of semi-sib families of Pinus elliottii during 2013-2015 were studied.The results showed that from April to October,the resin