目的: 研究微小毛霉产凝乳酶的固体发酵条件.Objectives: to study fermentation conditions of chymosin from mutant strain Mucor pusillus.食品成分,如重组凝乳 酶 已投入市场.Food ingredients such as recombinant rennet ( ehymosin ) have also been launched in the ...
埃尔维斯认为自己是民谣歌手。Elvis conceived of himself as a ballad singer.她教他读书,还教他唱两三首民谣, 弹着她的旧钢琴为他伴奏.She taught him to read and even to sing two or three little ballads, accompanying him on her old piano.她以震颤声唱一首古老的民谣.She quavered a...