查询词典 mutation

The appropriate dose of radiation mutation was measured for maize, green gram, rice bean,proso millet...

测出了玉米、绿豆、红小豆、黍子、芝麻、大葱、银瓜，以VID_(50)作指标和山楂、玫瑰以GRD_(50)作指标的辐射诱变适宜剂量。

According to evolutionists, random mutation is purportedly what brought life from the one celled stage to its present complexity.

据evolutionists，随机突变是特意带来的是什么生活，从一个细胞阶段，其目前的复杂性。

When treated with PYM ,mutation rates of ear length and tassel branch number were high, which were 4.81% and 4.77%. Mutagenic effect of PYM was worse than that of EMS and NaNa-Benzoyl.

PYM处理以穗长和雄穗分枝数的突变为高，4.81％、4.77％，其诱变效果没EMS和NaNs一苯甲酸胺处理好。3。

Firstly, the authors create various initial colonies and introduce quinary coding strategy to improve searching speed. Then, they adopt random selection mechanism without reimbursement to prevent premature convergence. Twopoint crossover and multipoint mutation are adopted to extend searching range of model space and to keep individual diversity.

首先，产生多样化的初始群体，引入五进制的编码策略提高搜索速度，然后采用无退还随机选择机制防止收敛早熟，采取两点交叉及多点变异方案以扩大模型空间的搜索范围和保持个体的多样性。

In Darwin's days they new nothing about genetics, and certainly nothing about the unimaginably destructive nature of random mutation.

在达尔文的日子，因为新什么遗传学，当然什么是难以想象的毁灭性质的随机突变。

Objective To study the mutation of P53 gene an d ras gene in stomach cancer.

目的 研究胃癌组织中P53基因和ras 基因的突变情况。

Ras refers to a family of genes whose mutation stimulates the growth of several types of cancers.

ras基因是指一个家庭的基因突变，其刺激增长的几种类型的癌症。

Objective:To explore the mutation of ras oncogene in Hasakh patients with esophageal cancer and its clinical significance.

目的：探讨新疆哈萨克族食管癌组织ras基因的变化及临床意义。

Ve:To investigate the relationship between ras gene mutation and tissue differentiation in carcinoma of urinary bladder.

目的：探讨ras基困突变与膀胱癌组织分化之间的关系。

The amino acid changes were similar to B/Taiwan/3143/97, in which the mutation was related to receptor binding site of the HA gene.

而本实验的目的则是将1999年冬至2001年春台北荣总病毒室所分离到的B型流感病毒作基因型演化分析及神经亲合性试验。

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。