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- during mutagene treatments 在诱变处理过程中
- A L-tryptophan-highly productive strain TQ2223 was derived from Corynebacterium glutamicum Tx5-32 by stepwise mutagenic treatments with DES. 以谷氨酸棒杆菌Tx5 - 32 (Phe- +Tyr- )为出发菌株 ,经硫酸二乙酯 (DES)多次诱变处理 ,定向选育出一株L -色氨酸产生菌TQ2 2 2 3(Phe- +Tyr- +5 -MTr+5 -FTr+SGr+CINr)。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- The strain A-49 was chosen as the start strain for mutagenic treatments with ultraviolet irradiation + LiCl, DES and Streptomycin resistant rational screening, after first and second selection, the mutant S-22 was selected. 以菌株A-49为出发菌株，依次用紫外线氯化锂复合诱变、硫酸二乙酯诱变、链霉素抗性诱变等多种诱变手段对菌株A-49进行育种工作。
- One should not run about aimlessly during an alert. 空袭警报期间不可到处乱跑。
- The inosine producing strain B3 was selected as the parent strain. Mutant B1916 with high D-ribose-producing ability was isolated by united mutagenic treatment of DES, uvradiation and protoplast treated by UV-way. 以肌苷产生菌B3为出发菌株 ,通过硫酸二乙酯、紫外线及原生质体紫外线等复合诱变处理 ,获得一株核糖高产积累突变株B1916。
- During the intermission, let's go out for some fresh air. 幕间休息时，我们出去呼吸呼吸新鲜空气吧。
- The liner ran down a fishing-boat during the dense fog. 班轮在浓雾中撞沉了一只渔船。
- I really wanted to slap her during the meeting. 在开会的时候我真想赏她一巴掌。
- The bears den up together during the winter. 冬天熊一起在洞穴里冬眠。
- I always get the fidgets during long meetings. 会议开得长我就坐不住了。
- He often cut recitation during his college days. 他上大学时经常无故旷课，逃避背诵练习。
- During the gale roof tiles came hurtling down. 在暴风中屋顶的瓦片哗啦啦地落了下来。
- I was so tired that I lost myself during marching. 我太累了，甚至在行进中睡着了。
- He swims every day during the summer. 他夏天每天游泳。
- She's made free with my records during my absence. 我不在时她擅自用我的磁带。
- During the war we had to black out all our windows. 战时我们必须用黑布遮着窗口以免透光。
- Her husband was taken to hospital during the night. 她丈夫在夜间被送进医院。
- The patient's condition worsened during the night. 病人的情况在夜间恶化了。
- The thief broke into the house during the night. 小偷在夜间破门进入住宅。
