Plackett - Burman experiment shows that wheat bran, syrup and KH 2 PO 4 have noticeable effect on the aminopeptidase productivity.Plackett -Burman实验 表明培养基中麸皮 、 果葡糖浆、KH2PO4三种组分是影响发酵产酶的显著因素.The important fators which affec...
Teams of typists transcribed the audio tapes to produce computerised database of ten million words.声音录入组将磁带转录成一千万字的电脑数据库.She uses her vocal training to record audio tapes of books for blind people.她利用接受的声乐训练给盲人录制磁带图书。Con...