查询词典 mutation

In this paper, an improved evolution strategy of phase angle is studied, and the mutation operator is introduced.

本文在基本θ-PSO的基础上改进了相位角的更新策略，当粒子相位在到达边界时进行反弹，而不是限制在边界。

M18; phenazine carboxylic acid; mutation ; fermentation conditions

荧光假单胞菌M18；吩嗪1羧酸；诱变；发酵条件

Objective To study the relationship between Arg778leu mutation of ATP7B gene and clinical phenotype of Wilson disease.

目的 了解Wilson病ATP7B基因的突变与临床表现型的相关性。

The splicing／decomposible encoding scheme proposed by Xu et al is applied to the construction of dynamic selection and mutation operators that were built respectively on the levels of genotype and phonotype of population.

简要介绍了徐宗本教授新近提出的可分解／可拼接遗传算法编码，并证明了一个利用对偶适应函数判定已知个体是否为相对全局最优解的判据。

Fodder beet is a mutation of beet planting specific(Beta vulgaris , Chenopodiaceae ),it has many characteristics such as weighty fleshy root、luxuriance phyllome、excellent quality of dainty and high biology production, so it is a high yield、all wool and a yard wide feed crop.

饲用甜菜是藜科甜菜属甜菜栽培种的一个变种，具有根体肥大，叶丛繁茂，适口性好，生物产量高等特点，是一种高产优质的饲料作物。

No mutation was detected in the skin and pleura samples of the patient.

突变发生在胚胎形成早期，临床表现可呈现多样性。

Point mutation and additional sequence insertion in introns might have given rise to new isoforms.

对比usf1和usf2的各个选择性剪接变体发现，二者的剪接模式都很保守，而新的变体是由点突变或内含子中额外序列的插入造成的。

Identification of an acquired JAK2 mutation in Polycythemia vera.

该突变与BCR/ABL阴性的MPD发病之间存在明显的关联。

The genetic basis for FAP lies primarily in the mutation of the adenomatous polyposis coli gene.

大部份的家族性大肠瘜肉症患者会有APC基因的突变。

On June 18, the FDA granted orphan drug designation to 1-deoxynojirimycin hydrochloride for the treatment of Pompe disease, an inherited lysosomal storage disorder caused by a mutation that alters the structure and stability of α-glucosidase, an enzyme responsible for the breakdown of glycogen.

6月18日，FDA批准孤儿药盐酸1-脱氧野尻霉素（Amicus Therapeutics， Inc）治疗蓬佩病。该疾病是一种遗传性溶体缺陷症，因突变导致破坏糖原的α糖苷酶的结构和稳定性改变。

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。