查询词典 picosecond

Compared with picosecond pulse laser, the intense of pulse is the main factor of the finally temperature of electron.

发现电子与晶格耦合系数影响材料表面电子的温升及电子与晶格温度耦合时间；与皮秒激光比较，脉冲功率密度是影响电子最终温度的主要因素；飞秒激光烧蚀金属材料的厚度可达到表层厚度量级。

Experiments of gated-mode single photon detection are performed using two picosecond laser pulses with different pulse shapes.

采用两种不同的皮秒光脉冲波形进行了门模单光子探测实验。

The transient fluorescence spectra of porphyrin polymers were studied. The fluorescence lifetimes of porphyrin polymers are picosecond level.

采用瞬态荧光光谱实验方法研究了卟啉聚合物荧光衰减的动态过程，发现卟啉聚合物具有具有皮秒级的荧光寿命。

Besides,we will continue strive for the higher fields of ultraviolet,femtosecond , picosecond laser and so on .

另外，我们还将向紫外激光、飞秒及皮秒激光等高端领域不断进取，永保国内领先，争创世界一流。

A theoretical investigation with the method of split-step Fourier was presented on the propagation of a picosecond pulse in photonic crystal fibers.

为了研究初始啁啾和初始输入功率对脉冲压缩的影响，运用对称分步傅里叶方法数值模拟了皮秒高斯脉冲在光子晶体光纤中的传输过程。

Meanwhile, we carried out the Z-scan experiments of pure CS2 to confirm the results of numerical simulation in the case of large nonlinear phase shift induced by a picosecond pulsed laser.

随着透过光阑孔径的增加，Z扫描曲线峰的变化要明显快于谷的变化，而且在谷明显存在的情况下，峰很快消失。

The primary process of photosynthesis involves the capture of light energy, energy transfer and a series of electron transfer which all take place in the picosecond or subpicosecond time region.

光合作用是自然界中所发现的最高效的光化学过程，其中的原初反应则是将太阳光能转化为化学能的重要过程，它涉及光能的捕获、传递以及。。。

The faster decays on the hundreds of the femtosecond time scale and the slower decays on the order of picosecond are found.

实验发现两个超快动力学过程：飞秒量级的快速弛豫过程和皮秒量级的慢速弛豫过程。

The laser generates picosecond pulses with a rectangular-shaped spectrum, the FWHM width of which can be greater than 19 nm.

该类型脉冲的光谱近似为矩形，半高全宽光谱宽度可达19 nm以上，脉宽为皮秒量级。

The numerical results show that picosecond pulses can be compressed effectively, if the parameters of gratings and pulses were chosen properly.

数值结果表明，适当选择光纤光栅及入射脉冲的参数，脉冲能够得到有效压缩。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。