查询词典 mutation

The research progress of redifferentiation of dedifferentiated thyroid carcinoma by up-regulation of thyroid iodide-metabolizing genes expression and suppression of BRAF mutation is reviewed in this paper.

文章就通过上调甲状腺碘代谢相关基因表达和抑制BRAF基因突变而使失分化型甲状腺癌再分化的研究进展作一综述。

Breeding technology of industrial useful microorganisms was developed from conventional mutation and screening technology to mutagenesis breeding ,cross reeding,metabolic control breeding,gene engineering breeding and so on.

工业有益微生物的育种技术已从常规的突变和筛选技术发展到诱变育种、杂交育种、代谢控制育种和基因工程等。

Determination of cytotoxicity,cell inoculation efficiency,relative survival rate and mutation frequency was performed.

结果：随着AA剂量的增加，L5178Y细胞的相对存活率和悬浮生长率均明显降低。

Shi Xiaohong introduces,"犇 ox " the trojan downloads implement the transmission method of newest mutation becomes more insidious, for as direct as safe software confrontation, not only can come through releasing document of trends of different base system ceaseless " renascent ", and had picture " panda burn joss sticks " and " disk drive " in that way the ability that overall affects.

据360安全专家石晓虹博士介绍，"犇牛"木马下载器最新变种的传播手段变得更为阴毒，为了与安全软件直接对抗，不但能通过释放不同基础系统动态文件来不断"复活"，而且具备了像"熊猫烧香"和"磁碟机"那样全盘感染的能力。

Short tandem repeat ; mutation rate ; parentage testing

短串联重复序列；突变率；亲权鉴定

Objective To detect mutation and teratogenicity of isomah which is a new kind of sugar replacer.

目的 为确保异麦芽酮糖醇的食用安全，对其进行了致突变性和致畸性研究。

During this period, the typical model report walked through the embryotic stage, the prosperity development stage, the mutation stage, it now follows to the innovation stage.

在这六十多年的发展历史中，典型报道走过了萌芽阶段、繁荣阶段、畸变阶段，如今它又步入了变革创新阶段。

A two-layer framework with particle swarms cooperative optimization and a mutation parameter is introduced by the QPSCO algorithm for larger searching scale and quicker convergence. Moreover I the residual sum of squares in least-square principle is introduced into the fitness function to enhance the fitting precision of the sensor position curve.

在QPSCO算法中，采用双层的多粒子群协同优化结构，同时引入参数变异策略，在扩大搜索范围的同时加快该算法收敛；将加权最小二乘法的误差平方和引入适应度函数中，以提高传感器位置曲线的拟合精度，从而实现传感器的优化配置。

Health tip: in the ordinary cleaning method (soap suds and household disinfection solution), harmful residuum shall be left and adhered on the material, which will cause interior mutation, so it is necessary to use the professional detergent.

健康提示：普通的清洁方式，会留下有害的残留物，附着在材质上引起内部的突变，必须使用专业的消毒剂。

The article reviews the researches of gene mutation in intron and the studies on the molecular genetics of retinitis pigmentosa.

本文对内含子的功能，以及发生在内含子的基因突变与视网膜色素变性的相关分子遗传学研究概况做一综述。

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。