查询词典 Wavelength

Taking use of the reflectometer which is installed on the 3B1 line in BSRF, two kinds of measurements of reflectivity versus wavelength and reflectivity versus incident angle are carried out.

利用安装在北京同步辐射装置3B1束线上的一台小型反射率计，对磁控溅射方法制备的软X多层膜进行了R～θ、R～λ两种反射率测量，得到实测反射率高达32％的满意结果，同时给出了理论计算对实验的拟合，二者符合的很好。

Four-wavelength reflectometry can be used in human infants to estimate MP density.

使用4-波长反射计测量婴儿的黄斑色素密度值。

Theoretical analyses show that the BRF has the maximum tuning rate when the optic axis is located on the cone with its symmetric axis being on the refracted ray and apex of 45°; and the rejection of unwanted wavelength of BRF becomes the maximum when the optic axis is in the plane which contains the refracted ray and makes the angle of 45° or 135° with respect to the incident plane.

分析表明当晶片光轴处在以折射光线为轴线、顶角为45°的圆锥面上时，双折射调谐器具有最快的波长调谐速率；当光轴位于过折射光线并与入射面成45°或135°的平面内时，调谐器抑制非所需波长的能力最强。

Based on the theoretical model of the optical and near-infrared wavelength refractivity which is recommended by the International Union of Geodesy and Geophysics's resolution in 1999, as well as, theory of Mendes(2004), we rededuce some theoretical formulae and give the practical expressions of hydrostatic and non-hydrostatic components of the refractivity.

本文基于国际大地测量与地球物理联合会1999决议推荐的光学和近红外波段的大气折射率差理论模型，在Mendes（2004）理论的基础上，对某些理论公式进行了重新推导，给出了大气折射率差静力学和非静力学分量的实用表达式。

The thermo-optic coefficients of polymer solution by using Abbé refractometer were demonstrated at natural light and a series of single wavelength lights, respectively.

合成了侧链含染料发色团的聚氨酯－酰亚胺，采用红外光谱、示差量热扫描、热失重分析等手段对合成的PUI进行了表征。

A statistic regression approach was introduced to estimate the wavelength index of black carbon and dust particles,and further to separate the contribution of the two types of aerosols to the aerosol light absorption coefficients measured in the spring of 2006 in Beijing urban area.

对2006年春季北京城区大气气溶胶中沙尘和黑碳气溶胶吸收系数的波长指数及其对总吸收系数的贡献进行了估算。

To analyze the effect of surface roughness on the journal bearing lubrication, three parameters such as amplitude, wavelength and duty cycle are used to specify characteristics of the regular transverse surface roughness.

为分析规则表面形貌对润滑效果的影响，采用粗糙峰幅值、波长和占空比三个参数描述规则条纹表面形貌的特征。

A multi-layer viscoelastic model is developed, and the boundary-value problem under linear conditions about the multi-layer model is solved. Calculated values of wavelength and damping rate of wave height are compared with measured data. It is showed that the transformation of regular waves over muddy bottoms can be successfully predicted by this model.

建立了多层粘弹性体模型，求解了多层模型在线性化边界条件下的定解问题，得到了规则波在泥床上传播时波要素变化的理论值，并同大量实验数据进行了比较，结果表明，多层模型能够成功地预报规则波在泥床上的传播规律。

The divergence angle depends on the width of the aperture relative to the light wavelength.

发散角取决于小孔宽度相对于光波长的大小。

Design on Athermalised Middle Wavelength Infrared Optical System with Large Relative Aperture.

中波红外大相对孔径消热差光学系统的设计。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。