Warning: file_put_contents(): Only 0 of 4995 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 无码视频无遮挡在线观看,日韩99精品第21页
Viability of freeze dry method microbial strains by using different concentrate of protectant and different freeze temperature was examined. 研究了微生物菌株在真空冷凍乾燥保藏中，不同濃度的保護(hù)劑和不同凍乾溫度對(duì)存活性的影響。