查询词典 cascade amplification

The effects of jet interaction on forces and moments are described by interaction amplification factor, and the algorithm to calculate the interaction amplification factor is presented, then the motion model and the dynamics model of interceptor are established according to the previous analysis.

根据大量参考文献的结论，分析了侧向喷流射入拦截弹外流的流场特征，以干扰放大因子来描述干扰效应对力和力矩的影响，给出了放大因子的计算方法，进一步建立了喷流侧向力和空气动力作用下的导弹运动学和动力学模型。

The PCR amplification results of BADH premier showed that the progeny materials that aroma rooted in Xinxiang B could produce obvious DNA amplification bands, whose aroma genes and the aroma genes in KDLMIOS and Basmati fragrant rice varieties all Jay on chromosome 8 and belonged to alleles.

BADH引物PCR扩增结果表明，香味来源于新香B的后代材料能产生明显的DNA扩增带，其香味基因与KDLM105以及Basmati香稻品种的香味基因均位于第8染色体上，属于等位基因。

Methods A set of 7 group-specific exonic 5' amplification primers and a single generic 3' primer were included together in a single PCR mix to facilitate a single PCR amplification per sample for HLA-DRB1 typing.

合成7个5'端特异性扩增引物和l个3'端共用引物，将上述引物混合在一起组成单个PCR反应用于HLA-DRB1的DNA测序分型分析。

On the basis of many times of experiments, A optimized reaction system about the microsatellite PCR amplification and partial COⅠ-Ⅱgene amplification of the green peach aphid was proposed.

在多次实验摸索的基础上，优化了桃蚜微卫星扩增和mtDNA COⅠ-Ⅱ部分序列特异扩增的反应体系。

On the basis of many times of experiments, A optimized reaction system about the microsatellite PCR amplification and partial COⅠ-Ⅱgene amplification of the green peach aphid was proposed. 3. It is clear that the result of polymorphic bands shows the abundance among the aphids after different UV radiation with three primers.

遗传多样性指标的方差分析结果表明，对于平均多态位点率，2 h处理是平均多态位点率的临界值，超过2 h， F2代平均多态位点率发生显著变异；对于平均基因多样度，对照与不同时间处理间差异显著；研究结果也表明低剂量紫外照射可增加蚜虫的免疫性，高剂量辐射则导致桃蚜的基因发生变异。

After removing the plane-parallel cavity, the seed pulse energy is about 8 mJ from the grating cavity and the energy is boosted to 60mJ with additional double pass amplification and extender telescrope. And the line-width of the seed pulse is 0.6 cm-1, near the diffraction limit, and meets the demand of the following amplification.

实验获得了8 mJ的主振荡器激光能量输出，经过双程放大和望远镜扩束后输出激光能量达60 mJ，线宽为0.6 cm-1，光束发散角接近衍射极限，满足了后续放大需要。

This corresponded to a phonon amplification effect. The mechanism of generating the phonon amplification was discussed.

详细讨论了产生这种声子增益效应的机理，给出了产生声子增益的时间间隔。

It is found that the gain in the saturation amplification regime drops,and the gain bandwidth is smaller than that in small signal amplification regime and there are side lobes in the gain band.

发现在饱和放大区，增益的整体水平有所下降，增益谱的可用带宽相对于小信号放大有所减少，增益谱在可用带宽范围内出现了旁瓣。

Fig.3 Restriction analysis of fragments of PCR amplification of RH,ZS2,CN isolates1.PCR Markers 2.Amplification fragment of GRA1 gene of RH isol?

2.3 弓形虫RH株、ZS2株、CN株扩增产物的HpaⅡ酶切鉴定 GRA1基因的酶谱分析表明，HpaⅡ位点在274bp和444bp处，该酶切GRA1后应该有444bp、274bp和170bp 3个片段。

It is shown also that the propagation of the soliton with an order of amplitude of picosecond width is hardly to produce stimulated Raman amplification, but the soliton with narrower width (generally, smaller than few picoseconds) is better synchronous with Raman wave, and the stimulated Raman amplification can be produced easily.

在相位交调、光纤损耗和脉冲走离并存的情况下，论文详细讨论了基态孤子传输中的喇曼波产生，得到了相位交调导致喇曼波辅加周期放大的结论，并首次给出了辅加放大因子和放大周期的表示式，同时首次给出了由于孤子光纤损耗导致的最大放大距离的表示式。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。