1) saltation edge
突变点
1.
Method The time-domain characteristic point and change of signal saltation edge of pulse signal were examined, according to the relationship between wavelet zero-crossing and signal saltation edge.
方法根据小波变换过零点和信号突变点之间的关系,分别运用小波变换过零点表征检测脉象时域特征点和各特征点脉搏信号变化的快慢。
2.
The saltation edges of a differential electrocardiogram (ECG) are the sensitive descriptor of ventricular depolarizing critical points.
该文应用小波变换对信号突变点检出的理论对微分心电信号进行分析 ,并用非线性最小二乘法进行参数拟合 ,确定了突变点的位置 。
2) point mutation
点突变
1.
Relationship between JAK2 V617F point mutation and clinical characteristics of BCR-ABL negative myeloproliferative diseases patients;
JAK2V617F点突变与BCR-ABL阴性骨髓增殖性疾病临床关系研究
2.
Identification of disease-causing point mutations in DMD patients dystrophin gene without large deletions/duplications;
非缺失/重复型Duchenne肌营养不良症患者的致病点突变分析
3.
Study of mitochondrial DNA point mutations at positions 3243, 8993 in hereditary ataxia;
遗传性共济失调线粒体DNA3243、8993点突变的研究
3) cusp catastrophe
尖点突变
1.
A research on the cusp catastrophe model of rockburst at the working surface of coal mining;
采掘工作面发生冲击地压的尖点突变模型研究
2.
Application of cusp catastrophe model to the groundwater specific vulnerability assessment;
尖点突变模型在地下水特殊脆弱性评价中的应用
3.
Study on ship rolling and capsizing based on the cusp catastrophe
基于尖点突变的船舶横摇倾覆研究
4) site-directed mutagenesis
定点突变
1.
Site-directed mutagenesis of functional gene fragment producing CTX-M-14-type extended-spectrum β-lactamase;
CTX-M-14型超广谱β-内酰胺酶基因的定点突变研究
2.
Study on site-directed mutagenesis and kinetics of trehalose synthase from Thermobifida fusca;
Thermobifida fusca海藻糖合成酶的定点突变及其动力学性质研究
3.
The Expression of hBmp-4 in the Pichia Pastoris and Its Site-Directed Mutagenesis;
hBmp-4在甲醇酵母中的表达及其定点突变
5) Site directed mutagenesis
定点突变
1.
Using recombinant glucagon expression system,the 21st aspartic acid was changed to be alanine by means of site directed mutagenesis.
在获得重组胰高血糖素基因工程菌基础上 ,利用定点突变技术改造其第 2 1位氨基酸天冬氨酸为丙氨酸 ,并经DNA测序证明胰高血糖素基因发生了点突变 。
2.
Two p 16 mutants, P48L and D74N, were obtained by site directed mutagenesis using two step PCR method.
应用ＰＣＲ体外定点突变技术，构建了ｐ１６－Ｐ４８Ｌ和ｐ１６－Ｄ７４Ｎ突变体。
3.
Human brain derived neurotrophic factor gene was used as template for oligonucleotide based site directed mutagenesis and PCR.
应用寡核苷酸诱导的定点突变和ＰＣＲ技术对人脑源性神经营养因子基因进行突变，并完成了测序鉴定。
6) PCR point-mutant
PCR点突变
补充资料：点突变
点突变
又称为"基因突变"。是指细胞内DNA分子链上某一区段在结构上发生碱基对组成或排列顺序的改变，通常可引起一定的表型变化。基因突变是新基因产生的方式，也是生物进化的重要因素之一，基因突变可以是自发的也可以是诱发的。遗传物质的突变广义上包括染色体畸变，狭义上专指点突变，实际上畸变和点突变的界限并不明确，特别是微细的畸变更是如此。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条