查询词典 diffraction

We compared and matched with single slit diffraction spectrums and visible light absorption spectrums.

最后我们藉分光光谱仪测定各有色溶液的可见光吸收光谱，再去定量分析这些有色溶液的颜色深浅，并查阅相关的文献资料。

We tested different methods much time to record . Finally , We found a good method . That's placed a grating in front of the digital camera len to take single slit diffraction spectrum pictures in the dark space.

这期间我们花了很多时间与方法，尝试将肉眼观察到的影像，在自设的简单暗房中，将光栅卡在数位相机的镜头前，以脚架或翻拍架拍摄下来。

On the base of the theory, phenomenon of optical diffraction from a single slit, round aperture, grating, and so on are analyzed according to the ideal of wave-front filtering.

在此理论基础上，根据波前滤波思想，对单缝、圆屏、光栅等衍射现象进行了分析；同时也分析了空域滤波、空频域滤波、光学成像系统。

By designing an acquiring system of real-time stripe image from single slit diffraction and conversing the deflection to the change of width of single slit,this paper realizes the measurement of tiny displacement of girder during the period of bending and demonstrates the validity and practicality of this new method.

设计了一套单缝衍射条纹图像实时采集系统，通过把挠度转换为单缝宽度的变化，实现了对梁弯曲时微小位移的测量，并用实验证明了该方法的有效性和实用性

By employing the diffraction grating coupling technology and the basic theory of surface plasmons,we successfully excited the SPs along Al/air interface,and first observed the extraordinary enhancement and beaming effect of EMW transmission through a single subwavelength metallic slit in X-band microwaves.

利用表面衍射光栅耦合技术和表面等离子体激元的基本理论，成功地在金属铝的表面上耦合激发了表面等离子体激元，首次在微波的X波段发现了电磁波通过亚波长金属狭缝的超强透射和聚束效应。

A new approach for measuring metal linear expansion coefficient is presented where CCD data collecting system is used and the single slit diffraction principle referred to in measuring the elongation extent to which the metal body expanses as the temperature increases.

根据单缝衍射原理，利用CCD数据采集系统来测量金属体随温度升高的伸长量，给出测量金属线膨胀系数的一种新方法。此方法采用CCD图象处理技术与计算机技术相结合，实现了数据采集、计算处理自动化。

Quantificational analysis method for the non-crystalline and crystalline contents in blast furnace slag was studied by means of X-ray diffraction.

通过X-ray衍射方法对高炉渣中非晶态与晶态的含量进行了定量分析研究。

In situ high-pressure energy dispersive X-ray diffraction experiments on framework silicate sodalite were carried out by using the diamond anvil cell device with a synchrotron radiation source at Beijing Synchrotron Radiation Facility.

在室温下使用金刚石对顶砧高压装置和同步辐射光源，对架状硅酸盐矿物方钠石进行了原位高压X射线衍射实验，最高压力达到17.4GPa。

It is the first time and elementary to prove it is right that the"liquid micromulti-phase structure model"is suit to unlimited solubility solid solution system by the structure analysis of liquid metal X-ray diffraction and theory calculation on Cu〓Ni〓 alloy liquid and undercooled liquid between its liquidus and solidus.

通过对Cu〓Ni〓合金在两相区过冷状态下的液态X-射线结构分析和理论计算，首次初步证实了"液态微观多相结构"模型适合于固态无限固溶体系这一思想的正确性，但由于实验的难度未能用多种合金进行考核，这是我们今后要进一步做的工作。

The crystal structure of 4,4'- biphenyldicarboxylic acid ethanol solvate, viz.(H2 bpa), has been determined by X-ray single-crystal diffraction technique at room temperature.

利用X-射线单晶衍射技术在室温下测定了4，4'-联苯二甲酸乙醇溶剂化物(H2 bpa)的晶体结构。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。