mutation frequency

The resistance mutation frequency selected by 1 × MIC or 2 × MIC imipenem were 40 × 10-9 and 200 × 10-9 respectively, the cross resistance rate being 20.8%.

亚胺培南在1×MIC及2×MIC浓度时诱导耐药突变频率分别为40×10-9及200×10-9，交叉耐药率20.8%。

Influence of individual radiation sensitivity on GPA gene mutation frequency in medical diagnostic X-ray workers

个体辐射敏感性对医用X射线工作者GPA基因突变频率的影响

The results show that M2 chlorophyll mutation frequency of plants radiated with greater dosage is higher.

结果表明：高剂量照射的种子后代（M2）叶绿素突变频率较高。

To use chaos advantage, crossover and mutation frequency were dynamically controlled by chaos iteration sequence.

为利用混沌优化技术, 交叉、变异频率都由混沌序列动态控制.

Objective To study the clinical features and genetic mutation frequency of spinocerebellar ataxia ( SCA) type 6 from Chinese kindreds.

目的研究脊髓小脑型共济失调（SCA）6型的临床特征和基因突变频率。

Mutation frequency and selective efficiency in M2 were obviously increased by application of the technique.

应用这项技术，可大大提高M2代突变频率和选择效率。

Then at the 6 point will lead to a higher pregnancy rate. The reverse mutation frequency of the protoplast of the auxotrophic mutants was less than 10 ￣(-6).

营养缺陷型菌株原生质体回复突变率小于10￣（－6）。