哺乳动物细胞只能识别单链RNA,如果细胞的防御机制发现了双链RNA就会破坏它以保护机体不受病毒的感染。
Mammalian cells make only the single-stranded variety. If a cell’s defence mechanisms detect double-stranded RNA they destroy it, to protect against infection.
S链是双义的，大约3.4kb大小。
这是链间耦合对共轭聚合物中双激子的反向极化作用。
It's the effect of interchain coupling on the inversed polarization of a biexciton in conjugated polymers.
哺乳动物细胞对双链RNA不识别意味着可用短发卡RNA来阻断信使RNA,从而使相应基因的信号无法传递。
This aversity to double-stranded RNA means short hairpins can be used to knock out the messengers, thus nullifying the signal from the underlying gene.
而在通过DNA双链密集层后，多达60%的电子发生了极化。
However, after travelling through the DNA, the electrons became polarized by as much as 60%.
DNA是一种像螺旋阶梯样形状的双链分子。
DNA is a double stranded molecule shaped like a spiral staircase.
请查询我们的实验步骤获得各种免疫检测应用中标记和双链DNA变性的实验过程的具体信息(1 - 4)。
Please see our detailed protocol for information regarding the labeling procedure and denaturation of double stranded DNA for various immunodetection applications (1-4).
外源基因(双链dna)作为外显子可能整合在一条染色体上的不同dna链上，转基因鱼的第一代为嵌合体。
Foreign gene (double stranded DNA) is maybe integrated in different DNA strand of the same chromosome as an exon. The first generation of transgenic fish is Mosaic.
请参阅我们有关标记程序的详细步骤，以及应用于各种免疫检测的双链DNA变性程序（1-4）。
Please see our detailed protocol for information regarding the labeling procedure as well as denaturation of double stranded DNA for various immunodetection applications (1-4).
每个密码子是特异的三核苷酸序列（双链DNA状况下为三个三核苷酸对），每个密码子编码蛋白质的一个氨基酸单位。
Each codon is a specific sequence of three nucleotides (three nucleotide pairs in double-stranded DNA), and each codon codes for a single amino acid unit in a protein.
如果使用由一个灵活的连接物结合的双同型嘧啶PNA寡聚体，这种链侵入作用的效率可进一步提高。
The efficiency of this strand invasion can be further enhanced by using two homopyrimidine PNA oligomers connected via a flexible linker.
阻尼和外电场的作用使得带有非对称双阱势的氢键链存在扭结孤子激发。
The damping force and the external electric field caused the kink soliton excitation in a hydrogen bonded chain with asymmetric double well potentials.
因此，在实际工程应用中，可以用双节距滚子链与相应的单节距链轮配套使用。
Therefore, in practical engineering applications, we can use double-pitch precision roller chain instead of single-pitch roller chain.
本文报导一种以分析病毒双链RNA为依据，检测苹果潜隐性病毒的新方法。
This paper reports a new method based on double-stranded RNA (ds RNA) analysis for detection of apple latent viruses.
DNA PK在DNA暴露于电离辐射后诱导的双链损伤修复中起主要作用。
DNA-PK plays a major role in the repair of double-strand breaks (DSB) induced in DNA after exposure to ionizing radiation.
目的近年来，双链rna介导的基因沉默(RNA干扰)已在许多动植物中发现，并成为研究基因功能的强有力的工具。
Objective Recently, a naturally occurring gene silencing mechanism triggered by double-stranded RNA (dsRNA), RNA interference (RNAi), has been described in a number of species including Drosophila.
介绍了变速恒频风力发电的基本原理，并采用定子磁链定向的矢量控制方法得到了双馈发电机的矢量控制系统模型。
The thesis presents the principle of VSCF wind Power. In this thesis, we adopt the vector control strategy of stator field-orient and gain a vector control system model of double-feedback generator.
在每一次实验中，注射携带了一种遗传密码的双链rna都导致了包含这种密码的基因的关闭。
In every experiment, injection of double-stranded RNA carrying a genetic code led to silencing of the gene containing that particular code.
上部区段，由传动链轮及带有轨道(双排链)的上部机壳、卸料口组成。
Upper section composed of driving sprocket upper casing with rails (double chain) and discharging outlet.
这种三螺旋体的稳定性极高，以至于在同型嘧啶PNA靶向双链DNA嘌呤道时，能取代其中一条DNA链侵入双螺旋。
The stability of these triple helixes is so high that homopyrimidine PNA targeted to purine tracts of dsDNA invades the duplex by displacing one of the DNA strands.
实验结果表明，甲萘威可以嵌入小牛胸腺DNA的双链中形成DNA加合物，从而使甲萘威的荧光光谱发生猝灭。
The experimental results showed that the carbaryl can be intercalated into the twin-screw structure of calf thymus DNA, forming ctDNA-carbaryl adducts.
采用改进的双状态ARQ算法，应用链路状态动态调整、码组合等方法提高低压电力线时间传递系统的稳定性。
The stability of time transfer system is improved with Tow-State ARQ protocol, dynamic adjusting of link state and code compounding.
根据无刷双馈电机的特性，采用磁链定向的矢量变换控制技术设计了一种新型功率控制系统。
According to the characteristics of brushless doubly-fed wind turbine and adopting flux linkage oriented vector transformation control technology, a new type of power control system is developed.
结果表明，供应商在单渠道和双渠道情况下，需采用不同的批发价契约实现供应链的协调。
The result shows that supplier should adopt different wholesale price contract under single and dual channel for coordination supply chain.
本文介绍了电动环链葫芦用三相双速异步电动机的主要性能指标以及在试制过程中遇到的问题。
The paper introduces the main performance indexes of double speed three phase asynchronous motor used in electric chain hoist and the problems which occor in the test and manufacture process.
通过数值计算，我们得到一维双原子链在自由边界与循环边界条件下的频谱。
Through numerical calculation, we get the frequency spectrum of one-dimensional diatomic chain in free and periodic boundary conditions.
他精通像双枪那样的远程武器、像带刺链枷那样的近战武器和像能量流星锤那样的投掷武器。
He was proficient with ranged weapons like his twin blasters, melee weapons like a spiked flail, and thrown weapons like a set of energized bolas.
他精通像双枪那样的远程武器、像带刺链枷那样的近战武器和像能量流星锤那样的投掷武器。
He was proficient with ranged weapons like his twin blasters, melee weapons like a spiked flail, and thrown weapons like a set of energized bolas.
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