查询词典 anomalous propagation

Originated from Maxwells theory and Drude model, we discussed the physical modelof surface plasmon wave and surface plasmon resonance under different conditions.Specially of metal thin-film structure, we study the propagation characteristic of SPWintensively, and carry out theoretical simulations according to ideal model and practicalmodel respectively under different thickness of the film and the wavelength of probe beam.

在理论上，首先从电磁场理论和Drude模型出发，讨论了在各种不同情况下的表面等离子体波的物理模型，并且进一步深入研究了表面等离子体波共振现象，特别针对金属薄膜结构下的表面等离子体波的传播特性进行讨论，对不同的膜厚和入射波长的情况对理想模型和有损模型分别进行了理论的模拟。

In order to lower the difficullties of peeling shoot tips and to set up a rapid propagation techniques of good quality S.grosvenorii seedling ,we carried out the experiment in two ways:(1)peeling the shoot tips after heat thrapy at 38.5℃ for 7 days ,10 days ,15 days. Plants derived from 0.2~0.5mm heat treated (38.5℃;10 days )meristems were 100% free from disease.

为降低剥茎尖难度和大规模生产罗汉果优良种苗，本试验探讨了：（1）在38.5℃条件下对罗汉果试管苗热处理7天、10天、15天，然后剥取0.2~0.5mm、0.6~1.0mm和1.5~2.0mm的茎尖进行培养，结果表明，热处理10天，剥取0.2~0.5mm的茎尖进行培养，可获100%的脱毒苗。

This dissertation reviews the development of the propagation of gravity waves in mesosphere.

本文首先介绍了重力波在中层大气中传播问题的研究现状。

These indicate that there exists downward energy propagation in mesosphere, and there exists energy sources of inertial gravity waves above the mesospheric atmosphere.

它说明在中层大气中存在向下的能量传输，中层大气的上部存在有惯性重力波的能量源。

Because that the middle and upper atmosphere is a complex system of coupling between the dynamics, photochemistry and radiation, in this project, we mainl study the effects of the interaction between the dynamics, photochemistry and radiation on gravity waves propagation in the mesosphere and low thermosphere by using a photochemical-dynamical gravity wave model.

由于中高层大气是光化、辐射和动力相互作用的复杂系统，本项目集中探讨了光化和辐射所造成的非绝热过程对中高层和低热层大气重力波的影响，着重对中层顶区大气重力波不稳定机制以及光化-动力学耦合过程进行研究，并把计算结果与观测进行比较。

Messiah Religion was originally Nestorians of Syrian Christianity. Its missionaries arrived in Changan, the capital of the Tang Dynasty in the seventh century and were supported and protected by the emperor. In addition to the introduction, the book included well-explained eight documents, including "Memorial of the Propagation in China of the Luminous Religion from Tachin" and "Sutra of Jesus Christ."

景教」为本是叙利亚基督教的聂斯多留派，至七世纪时其传教士至唐代首都长安，受到帝王的支持与保护；本书除导论外，共列出「大秦景教流行中国碑」、「序听迷诗所经」等之八篇景教文献，并逐一进行解说。

It is shown that the results based on this approach are in good agreement with the accurate numerical results. The propagation characteristics of metal-clad exponential index distribution waveguide are analyzed, too.

在外延生长过程中，采用微欠饱和母液回熔方法，提高了外延生长的重复性，解决了较大面积外延生长的表面质量问题，回熔厚度可控制在1μm左右，回熔表面平均平整度在30—200nm之间。

An approximate analytical approach, which can be used to analyze the optical characteristics of metal-clad step or graded index waveguides in near cutoff, is presented at first. The mode propagation characteristics of metal-clad step index waveguides in near cutoff are comprehensively analyzed.

GaAs/GaAlAs异质结光波导材料是目前集成光学中的重要材料，本论文在系统介绍外延生长技术的基础上，利用普通的液相外延炉，成功地生长出可用于光波导器件制作的、表面较光滑并具有较大面积（14×16mm〓）的GaAs/GaAlAs异质结光波导材料，C-V法测得波导层载流子浓度为2—4×10〓cm〓，Al-Schottky接触的反向电压大于20伏，平板波导和脊波导通光实验良好。

The propagation of such microwaves will be explained in terms of equations.

这种微波的传播原理要用方程来解释。

The computationally efficient degenerate migrators extend the splitstep Fourier method to steeper propagation angles in largecontrast media at the cost of one more Fourier transform for each extrapolation step.

这种退化偏移算子只用快速Fourier变换进行波场延拓，将常规的Fourier分裂步地震偏移方法推广适应强速度横向变化介质和大角度传播波场。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。