诱变

The optimal dose of NTG mutagen was that of producing 90—94% death-rate.

诱变剂的最适剂量为产生90～94％死亡率的剂量。

Residents in the Mediterranean region, such as fish and meatthe use of tomato sauce at the same time, reduce the cooking process, such as miscellaneous amine mutagen formation.

如地中海地区居民在煎烤鱼和肉的同时使用番茄酱，减少了烹调过程中杂胺等诱变剂的形成。

Laser is a good mutagen.

表明激光对香菇是一种有良好应用前景的诱变剂。

The first chemical mutagens to be discovered were the mustard gases used in World War I.

最初发现的诱变剂是第一次世界大战所用的芥子气。

What response has E.coli developed to large amounts of DNA damage by mutagens?

大肠杆菌进化形成了怎样的反应来应对因诱变剂而引起的大量 DNA 损伤？

DNA damage by mutagens has very serious consequences for DNA replication.

由诱变剂引起的 DNA 损伤会在 DNA 复制时带来严重的后果。

Chromosome mutations can occur naturally but their frequency is increased by the effect of x-rays and chemical mutagens.

染色体的突变是自然发生的，但通过 X 射线或化学诱变剂可以增加突变的频率。

OBJECTIVE: To evaluate anti-mutative effects of chitosam nano-suspension on various strong positive mutagens.

目的：系统评价壳聚糖纳米混悬剂对多种强阳性诱变剂的抗突变效应。

However, environmental mutagens can also induce mutations at undamaged sites and result in the so-called nontargeted mutagenesis.

但是环境诱变剂引起的突变也可发生在非DNA损伤部位，它被称之为非定标性突变。

New variants of some plant viruses have been produced artificially in the laboratory by treating pure virus strains with mutagens.

用亚硝酸之类的诱变处理纯病毒株系，能在实验室内人为地使有些植物病毒产生新变种。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。