查询词典 mutation

An improved genetic algorithm was developed based on a new encoding method and mutation operator.

应用人因学的仿真分析软件ERGO进行的算例研究，验证了模型的正确性。

The development of the opposable thumb was an important mutation for Homo sapiens from his ancestors.

与其他手指相对的大拇指的发展是人类从其祖先演化为直立人过程中的一次重要突变。

The creation of the initial population and the mutation operation were improved in the process of resource scheduling optimization while using genetic algorithm, the example shows that the method is effective.

运用遗传算法对资源调度进行规划的过程中对初始种群的产生和变异操作进行了改进，并用实例证实了该方法的有效性。

Adopted Guassian-like mutation is used in immuning algorithm in order to accelerate the convergence of the algorithm.

文中免疫算法中采用了基于适应值的高斯变异，加快了算法的收敛速度。

In this dissertation, the genetic algorithm is discussed in detail. In order to improve the convergence of GA, considering that it is important to choose the probability of crossover and mutation , new p〓 and p〓 were varied depending on the fitness values.

该方法在遗传模式得到保证的基础上，加快新个体的产生速度，所构造的交叉算子和变异算子随适应值自动变化，对远离最优值的个体采用较大遗传算子值，对接近最优值的个体采用较小遗传算子值，提高得至撮优解的概率。

Objective To clone human ornithine decarboxylase antizyme mutation gene and express its recombinant protein.

目的 构建人鸟氨酸脱羧酶抗酶突变基因，重组至原核表达载体中并表达出重组蛋白。

Osteopetrosis ; ClCN7; mutation analysis ; polymorphism

骨胳石化症； ClCN7；突变分析：多态性

It is uncommon that of 〓 gene occur mutation in human osteosarcoma.

〓基因的突变在人类骨肉瘤中是十分少见的。

For this reason, I would rather hope my judgment is absolutely wrong, purely over-worried and of overcare. I also hope the book could help consensus form among all circles and strengthen and improve people's sense of anxiety about any future mutation of nature.

在此，我希望自已的判断完全错误，纯粹是杞人忧天、自寻烦恼，亦希望籍此使到社会各界形成共识，从而加强和提高人们对于未来自然突变的忧患意识。

The activities of glycerol dehydrogenase and 1,3-PD oxidoreductase were also studied, and it was found that the activity of GDHt was enhanced, but the mutation had little influence on the activity of PDOR.

同时测定了诱变前后还原途径中甘油脱水酶和1，3-丙二醇氧化还原酶的酶活变化，研究表明诱变对GDHt有明显的促进作用，而对PDOR的影响不明显。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。