查询词典 wavelength

We bring in size parameter into relaxation time of free electron on basis of Drude model, and build a metal particle n and k model which vary with size and wavelength.

在德鲁特模型的介电函数基础上，对自由电子弛豫时间引入尺度修正，建立了金属粒子n、k值随波长和粒径变化的尺度效应模型。

A theoretical model is proposed to calculate the lasing wavelength of free-running Ytterbium-doped fiber lasers.

为了更好地设计掺镱光纤激光器，提出了一种用于确定自由运转的掺镱光纤激光器激射波长的计算模型。

This allows the creation of six quarter wavelength antenna elements in the high frequency band.

这允许创建高频段内的6个四分之一波长的天线元件。

Theoretical analysis proves that,when the pixel number,pixel size and reconstructed wavelength of the hologram are certain,computer simulated algorithms of Fresnel diffraction integral fall into convolution algorithm,angular spectrum algorithm and direct Fourier trans...

通过对相位函数局域空间频率的分析，给出了判定算法适用范围的特征再现距离，并分析得出，再现距离大于特征再现距离时，适合用卷积法；小于特征再现距离时，适合采用角谱法；等于特征再现距离时三种方法都适用。

Methods: It was used with acetonitrile-0.5%phosphoric acid solution(42∶58) as a mobile phase by HPLC. The detecting wavelength was 266nm. The flow rate was 1.0 mLmin^(-1). Results: When Gaoliangjian and Xiangfu are extracted together by alcohol, the content of galangin is the highest.

采用HPLC法，以乙腈-0.5%磷酸(42：58)为流动相，检测波长：266nm，流速：1.0mlmin^(-1)；结果：高良姜与香附的提取方法为乙醇合并提取时，高良姜素的含量高于其他提取方法。

This the Sun has been doing for several released at the Sun's center as high-energy gamma radiation, a form of electromagnetic shorter wavelength.

这样的转化在太阳中已经持续几十亿年了。核能在太阳的核心被释放为高能的伽马射线。

Fiber with a core diameter less than about ten times the wavelength of the propagating light cannot be modeled using geometric optics.

光纤与核心直径小于10倍左右波长的光线不能用几何光学模型。

The fluorescence intensity grew and emission wavelength gradually increased between 331nm and 350nm under the condition of strong acid(pH=3.5), strong alkaline(pH=12.1)and high temperature(80 °C), showing that the conformation of lipase protein changed from globularity to unfolding state.

发现游离酶蛋白质在高温(80℃)，强酸(pH=3.5)、强碱(pH=12.1)，变性剂的作用下基本表现为荧光强度增大，最大发射波长在331～350nm之内逐渐增大，说明蛋白质整体构象从球状到了伸展状态。

Satellite gravity gradiometry is a new domain of studying the detection of gravity gradients in space and their applications, in particular, suitable for detecting the short wavelength characteristics of the earth's gravity field At present it is still at the stage of developing the ultra-sensitive tensor gradiometer and carrying out the pre-research of applications.

卫星重力梯度测量是研究空间重力梯度探测与应用的新领域，特别适于检测地球重力场的短波特征。目前它尚处在研制超灵敏张量梯度仪器和应用预研究的阶段。

Germany APE provides WaveScan wavelength meter is a compact, easy to use, economical scanning grating spectrometer.

德国 APE公司提供WaveScan 波长计是一款结构紧凑、使用方便、经济实用的扫描光栅光谱仪。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐