A method of identification for low content chrysotile, crocidolite and amosite in brake rubber of bicycle by the united way of polarized light microscope and X-ray diffraction had been established.
本文提出了采用偏光显微镜和X射线衍射仪联合方法鉴定自行车闸皮中低含量的温石棉、铁石棉及青石棉等三种石棉的方法。
According to the theory of light diffraction and that of moire image encoding, a new technology of double image encoding using non key phase only moire method is presented in this paper.
根据光的衍射原理和莫尔图像编码原理，实现了无钥匙位相型双图像莫尔编码技术。
This paper introduces a new method to measure the intensity distribution of single seam diffraction by replacing the silicon photocell and light activated diode with light activated triode.
利用光敏三极管代替硅光电池和光敏二极管来测试单缝和双缝衍射的光强分布。
The diffracted light intensity on axis of a Spatial light Modulator (SLM) with Multi-level Phase Fresnel Zone Plate (MPFZP) is studied by diffraction optical method.
用衍射光学方法研究了加有多级相位菲涅尔波带片(MPFZP)的空间光调制器(SLM)的轴上衍射光强。
This paper discussed a method analyzing the two-step rainbow hologram. Based on the diffraction theorem of light wave, the imaging formulas of object image and slit image were derived in detail.
本文讨论了一种分析二步法彩虹全息的方法，用光波衍射理论详细推导出物体象与狭缝象的成象公式。
Abstract: in light of the manufacturing principles of holographic diffraction gratings, the paper presents a main method of manufacturing the holographic gratings.
摘要：从全息衍射光栅的制作原理出发，介绍了全息光栅的主要制作方法，并与刻划光栅对比分析了全息衍射光栅的诸多优点。
Adopting a method of four light beam exposure at the same time, the diffraction efficiency of the gratings is increased.
采用四光路同时曝光，提高了光栅的衍射效率。
Adopting a method of four light beam exposure at the same time, the diffraction efficiency of the gratings is increased.
采用四光路同时曝光，提高了光栅的衍射效率。
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