木塞穿孔器;
2, the culture filtrate and the enzyme are mixed under the optimum conditions of enzyme's reaction. The reaction mixture is incubated for 30 minutes at 37 ℃; 3, the agar plate is plugged with cork borer to form a hole of 9mm in diame-ter;
测定时发酵液和酶是在酶解反应最适的条件下直接结合,在37℃保温反应30分钟,3.琼脂平板是用打孔器打洞,直径为9mm;
纳米英语 · 高考英语
纳米英语 · 中考英语
纳米英语 · 商务口语
纳米英语 · 双语娱乐资讯