查询词典 amplification factor

The lower denaturation temperature can decrease amplification efficiency or even cause the false-negative results of PCR.

较低的变性温度可导致扩增效率降低甚至假阴性的结果。

Methods We collected 43 microtia cases' peripheral blood and extract genome DNA. Design primers of three exons of the GSC, then sequence after PCR amplification and depuration sequencing.

采集43例小耳畸形患者的外周血提取基因组DNA，对GSC基因的三个外显子分别设计引物，经PCR扩增纯化后直接测序。

With 16 hybrids and their parents and 202 skeleton inbred lines as the primers for screening materials, the artificial groups of 2 standard diad and 2 standard triplet were build resp. as the verification materials. Genomic DNA of seedlings was extracted by using CTAB method. 137 pairs of SSR primers were selected for SSR amplification and product detection, which was used in the parentage identification of maize varieties.

方法］以16个玉米杂交种及其双亲和202个骨干自交系为引物筛选材料，分别构建2个二联体亲子鉴定盲样和2个三联体亲子鉴定盲样，用CTAB法提取幼苗叶片DNA，选137对SSR引物进行玉米品种的亲子检测。

Near the bifurcation point, the linear stability of difference differential equation which describes acoustooptic bistable systems is analyzed, the expression of resonance frequency and amplification multiple are given.

在分岔点附近，通过对描述布拉格型声光双稳系统的差分－微分方程进行线性稳定性分析，得到了系统对小信号放大时的共振频率，给出了放大倍数的表达式。

Thus, the small signal differential amplification circuit with high input resistance is the best choice.

因此，小信号差动放大电路与高输入电阻是最好的选择。

The Savitzky-Golay differentiator can efficiently reduce the noise amplification effect of the numerical differentiation operator in axial strain calculation of ultrasound elastography.

采用Savitzky-Golay差分器可以有效地减小超声弹性成像的纵向应变计算过程中数值微分操作对于噪声的放大作用。

Two 15nt complementary ssDNA primers were ligated into double stranded satRNA.Complete sequence of satRNA was obtained by RT-PCR using these 15nt ssDNA as amplification primers.Phylogenetic analysis showed that the identity of this 383nt satellite and some documented satRNAs was 72.6 to 99.5% at the nucleotide level.

以常规引物对感病植物的总RNA进行RT-PCR扩增，获得CMV RNA3全长克隆，经测序显示该RNA3序列属于CMV亚组Ⅱ；通过在卫星dsRNA两端分别加上15nt的单链DNA接头，以接头互补序列为引物进行扩增获得一个383nt的卫星RNA的全长序列。

Moreover, the IGBT radio frequency amplification phenomena, can become relevant if the driver circuit generates high frequency conducted noise components, that can be transferred to the final stage and amplified, generating very high EMI levels.

此外，如果驱动电路产生的高频传导噪音被放大传递到末级，相应的IGBT射频放大现象可以产生更高的EMI。

The information gained by the eavesdropper through interception is a very important criterion for judging the success of the key transmission and a necessary parameter for the privacy amplification.

窃听者通过窃听所获取的信息量是决定密钥传输是否成功的重要指标，同时也是保密增强这一技术环节的必要参数。

After amplification, the effector cells have the cytotoxic activity that can directly kill the tumor cells.

培养扩增后细胞具有直接杀伤肿瘤细胞的细胞毒活性。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。